Prof. Dr.-Ing. Dr.-Ing. E.h. Dr. h.c.

# Ekkehard Ramm

Ehemaliger Institutsleiter

Institut für Baustatik und Baudynamik

## Kontakt

+49 711 685-66124

+49 711 685-66130

E-Mail

Pfaffenwaldring 7

70550
Stuttgart

Deutschland

Raum: 1.119

## Lebenslauf

- Geboren in Osnabrück, Niedersachsen
- aufgewachsen in der Nähe von Osnabrück und in Wiesbaden
- Studium des Bauingenieurwesens an den Technischen Universitäten Darmstadt und Stuttgart
**1966**Abschluss des Studiums als Dipl.-Ing.**1972**Promotion an der Universität Stuttgart- Stipendium der Deutschen Forschungsgemeinschft (DFG) zur Habilitation (
**1975**) und 'Venia Legendi' **1972/73**Post-Doc an der University of California in Berkeley**1976**C3-Professur am Institut für Baustatik, Universität Stuttgart**1983-2006**C4-Professur und Leitung des Instituts für Baustatik**1988**Gründung des Ingenieurbüros DELTA-X, Stuttgart, zusammen mit Dr.-Ing. A. Burmeister**1989**Visiting Professor an der University of California, Berkeley**1991-1994**zusätzlich: Kommissarischer Leiter des Instituts für Leichte Flächentragwerke (IL) an der Universität Stuttgart**1994 - 1999**Mitglied des Senatsausschusses für die Angelegenheiten der Sonderforschungsbereiche bei der Deutschen Forschungsgemeinschaft (DFG)**1995 - 2000**Mitglied des Verwaltungsrats der Universität Stuttgart- seit
**1997**Mitglied der Akademie der Wissenschaften und der Literatur Mainz **2000 - 2003**Mitglied des Universitätsrats der Universität Stuttgart**2000 - 2008**Präsident der German Association for Computational Mechanics (GACM)- seit
**2000**Mitglied der Academia Europaea - seit
**2001**Mitglied der Heidelberger Akademie der Wissenschaften - seit
**2003**Mitglied der Deutschen Akademie der Technikwissenschaften (acatech) **2004**Ehrendoktor der Universität Calgary (Doctor of Law h.c.)**2004**Ehrendoktor der Fakultät für Bauingenieurwesen und Geodäsie der Technischen Universität München (Dr.-Ing. E.h.)- seit
**2004**korrespondierendes Mitglied der Österreichischen Akademie der Wissenschaften - seit
**2004**korrespondierendes Mitglied der Braunschweigische Wissenschaftliche Gesellschaft (BWG) **2006**Professor Emeritus**2008**Mitglied der US National Academy of Engineering (Foreign Associate)

### Forschung

- Tragwerksmechanik (Strukturmechanik)
- Statische und dynamische Analyse dünnwandiger Strukturen, insbesondere Platten und Schalen
- Stabilitäts- und Versagenslastanalysen (Metalle, Stahlbeton, Geomaterialien, Composite, Glas)
- Lineare und Nichtlineare Finite Element Analyse
- Finite Element Technologie, Fehlerschätzung und Adaptivität
- Fluid-Struktur-Wechselwirkung
- Strukturoptimierung (Material, Form, Topologie, Formfindung)
- Geschichte der Tragwerke

### Mitglied in Editorial Board

- International Journal for Numerical Methods in Engineering (IJNME)
- Communications in Numerical Methods in Engineering (CNME)
- Computer Methods in Applied Mechanics and Engineering (CMAME)
- Engineering Structures
- International Journal of Space Structures
- Engineering Computations
- Finite Elements in Analysis and Design
- International Journal for Numerical and Analytical Methods in Geomechanics
- International Journal of Structural Stability and Dynamics (IJSSD)
- Engineering with Computers
- Advances in Engineering Software
- International Journal for Computational Civil and Structural Engineering
- International Journal for Multiscale Computational Engineering (JMCE)
- Advances in Structural Engineering

### Veröffentlichungen

- Simon Bieber, Bastian Oesterle, Ekkehard Ramm, Manfred Bischoff.
**A variational method to avoid locking – independent of the discretization scheme.**International Journal for Numerical Methods in Engineering, 114. 2018. DOI: 10.1002/nme.5766 - Bastian Oesterle, Renate Sachse, Ekkehard Ramm, Manfred Bischoff.
**Hierarchic isogeometric large rotation shell elements including linearized transverse shear parametrization.**Computer Methods in Applied Mechanics and Engineering, 321. 2017. DOI: 10.1016/j.cma.2017.03.031 - Bastian Oesterle, Ekkehard Ramm, Manfred Bischoff.
**A shear deformable, rotation-free isogeometric shell formulation.**Computer Methods in Applied Mechanics and Engineering, 307. 2016. DOI: 10.1016/j.cma.2016.04.015 - Malte von Scheven, Ekkehard Ramm.
**Strong Coupling Schemes for Interaction of Thin-walled Structures and Incompressible Flows.**International Journal for Numerical Methods in Engineering, 87. 2011. DOI: 10.1002/nme.3033 - Andreas Lipka, Ekkehard Ramm.
**Topology optimization of cellular structures with graded porosity.**Engineering Computations. 2010. - Junji Kato, Ekkehard Ramm.
**Optimization of fiber geometry for fiber reinforced composites considering damage.**Finite Elements in Analysis and Design 46. 2010. DOI: 10.1016/j.finel.2010.01.001 - Ekkehard Ramm.
**From "Shell" to "Shell and Spatial" Structures - in Fifty Years of Progress for Shell and Spatial Structures, Chapter 3: The Decade 1970-1979.**Intern. Ass. for Shell and Spatial Strutures (IASS), (I. Mungan & J.F. Abel, eds.). 2010. - Junji Kato, Andreas Lipka, Ekkehard Ramm.
**Multiphase material optimization for fiber reinforced composites with strain softening.**Structural and Multidisciplinary Optimization, 39. 2009. DOI: 10.1007/s00158-008-0315-7 - Christiane Förster, Wolfgang A. Wall, Ekkehard Ramm.
**Stabilized finite element formulation for incompressible flow on distorted meshes.**Int. Journal for Num. Methods in Fluids, 60. 2009. DOI: 10.1002/fld.1923 - Christiane Förster, Wolfgang A. Wall, Ekkehard Ramm.
**On residual based stabilisation methods for transient flow problems at small time increments.**Int. Journal Num. Methods in Fluids. 2009. - N. Moes, O. Allix, E. Ramm (eds.).
**Multi-scale analysis of evolving interfaces.**Engineering Fracture Mechanics, 76. 2009. DOI: 10.1016/j.engfracmech.2009.03.002 - Ekkehard Ramm.
**In Memoriam Heinz Isler - Shell Builder and Structural Artist - 26 July 1926 - 20 June 2009.**Journal of the Intern. Ass. for Shell and Spatial Structures, 50. 2009. - Thomas Hettich, Andrea Hund, Ekkehard Ramm.
**Modeling of Failure in Composites by X-FEM and Level-Sets within a Multiscale Framework.**Comp. Meth. Appl. Mech. Eng., 197. 2008. DOI: 10.1016/j.cma.2007.07.017 - Stefan Hartmann, Ekkehard Ramm.
**A mortar based contact formulation for non-linear dynamics using dual Lagrange multipliers.**Finite Elements in Analysis and Design 44. 2008. DOI: 10.1016/j.finel.2007.11.018 - Ekkehard Ramm.
**Foreword.**K.-E. Kurrer . 2008. - Stefan Hartmann, S. Brunssen, Barbara Wohlmuth, Ekkehard Ramm.
**Unilateral non-linear dynamic contact of thin-walled structures using a primal-dual active set strategy.**International Journal for Numerical Methods in Engineering, 70. 2007. DOI: 10.1002/nme.1894 - Christiane Förster, Wolfgang A. Wall, Ekkehard Ramm.
**Artificial Added Mass Instabilities in Sequential Staggered Coupling of Nonlinear Structures and Incompressible Viscous Flows.**Comp. Meth. Appl. Mech. Eng., 196. 2007. DOI: 10.1016/j.cma.2006.09.002 - Andrea S. Hund, Ekkehard Ramm.
**Locality Constraints within Multiscale Model for Nonlinear Material Behavior.**Int. J. Num. Meth. Engng., 70. 2007. DOI: 10.1002/nme.1953 - Wolfgang A. Wall, Steffen Genkinger, Ekkehard Ramm.
**A Strong Coupling Partitioned Approach for Fluid-Structure Interaction with Free Surfaces.**Computers and Fluids, 36. 2007. DOI: 10.1016/j.compfluid.2005.08.007 - Michael Leukart, Ekkehard Ramm.
**Identification and Interpretation of Microplane Material Laws.**J. Engng. Mech. (ASCE), 132. 2006. DOI: 10.1061/(ASCE)0733-9399(2006)132:3(295) - Christiane Förster, Wolfgang A. Wall, Ekkehard Ramm.
**On the Geometric Conservation Law in Transient Flow Calculations on Deforming Domains.**Int. J. Num. Meth. Fluids, 50. 2006. DOI: 10.1002/fld.1093 - Gian Antonio D'Addetta, Ekkehard Ramm.
**A microstructure-based simulation environment on the basis of an interface enhanced particle model.**Granular Matter, 8. 2006. DOI: 10.1007/s10035-006-0004-4 - Tobias Erhart, Wolfgang A. Wall, Ekkehard Ramm.
**Robust Adaptive Remeshing Strategy for Large Deformation, Transient Impact Simulations.**Int. J. Num. Meth. Engng., 65. 2006. DOI: 10.1002/nme.1531 - Thomas Hettich, Ekkehard Ramm.
**Interface Material Failure Modeled by the Extended Finite Element Method and Level Sets.**Comp. Methods Appl. Mech. Engng., 195. 2006. DOI: 10.1016/j.cma.2005.09.022 - André Haufe, Horst Menrath, Ekkehard Ramm.
**Nonlinear Layered Shell Formulation for RC-Structures.**International Journal for Computational Civil and Structural Engineering, 1. 2005. DOI: 10.1615/IntJCompCivStructEng.v1.i1.50 - Ekkehard Ramm, Wolfgang A. Wall (eds.) .
**Computational Methods for Shells.**Special Issue of Comput. Methods Appl. Mech. Engng., 194. 2005. DOI: 10.1016/j.cma.2004.12.006 - Michael Gee, Wolfgang A. Wall, Ekkehard Ramm.
**Parallel Multilevel Solution of Nonlinear Shell Structures.**Comp. Methods Appl. Mech. Engng., 194. 2005. DOI: 10.1016/j.cma.2004.07.043 - Volker Gravemeier, Wolfgang A. Wall, Ekkehard Ramm.
**Large eddy simulation of turbulent incompressible flows by a three-level finite element method.**SFB 404 Report 2004/07, International Journal for Numerical Methods in Fluids, 48. 2005. DOI: 10.1002/fld.961 - Roman Kemmler, A. R. Lipka, Ekkehard Ramm.
**Large Deformation and Stability in Topology Optimization.**J. Struct. and Multidisciplinary Optimization, 30. 2005. DOI: 10.1007/s00158-005-0534-0 - Tobias Erhart, Wolfgang A. Wall, Ekkehard Ramm.
**A Robust Computational approach for Dry Powders under Quasi-static and Transient Impact Loadings.**Computer Methods in Applied Mechanics and Engineering, 194. 2005. DOI: 10.1016/j.cma.2004.10.007 - Gian A. D'Addetta, Ekkehard Ramm, Stefan Diebels, Wolfgang Ehlers.
**A particle center based homogenization strategy for granular assemblies.**Engineering Computations, 21. 2004. DOI: 10.1108/02644400410519839 - Ekkehard Ramm, Wolfgang A. Wall.
**Shell Structures - A Sensitive Interrelation between Physics and Numerics.**International Journal for Numerical Methods in Engineering 60 (Paper of plenary talk at WCCM V, Vienna 2002) . 2004. DOI: 10.1002/nme.967 - Volker Gravemeier, Wolfgang A. Wall, Ekkehard Ramm.
**A Three-level Finite Element Method for the Instationary Incompressible Navier-Stokes Equations..**Computer Methods in Applied Mechanics and Engineering 193 . 2004. DOI: 10.1016/j.cma.2003.12.027 - Ekkehard Ramm.
**Shape Finding of Concrete Shell Roofs.**Journal of the International Association for Shell and Spatial Structures, 45 . 2004. - Michael Leukart, Ekkehard Ramm.
**A Comparison of Damage Models Formulated on Different Material Scales.**Comp. Mat. Science. 2003. DOI: 10.1016/j.commatsci.2003.08.029 - Wolfgang Ehlers, Ekkehard Ramm, Stefan Diebels, Gian A. D'Addetta.
**From Particle Assemblies to Cosserat Continua: Homogenization of Contact Forces Towards Stresses and Couple Stresses.**International Journal of Solids and Structures. 2003. DOI: 10.1016/S0020-7683(03)00418-9 - Gian A. D'Addetta, F. Kun, Ekkehard Ramm.
**On the application of a discrete model to the fracture process of cohesive granular materials.**Granular Matter. 2002. DOI: 10.1007/s10035-002-0103-9 - Matthias Hörmann, Horst Menrath, Ekkehard Ramm.
**Numerical Investigation of Fiber Reinforced Polymers Poststrengthened Concrete Slabs..**J. of Engineering Mechanics, 128. 2002. DOI: 10.1061/(ASCE)0733-9399(2002)128:5(552) - Stefan Schwarz, Kurt Maute, Ekkehard Ramm.
**Topology and shape optimization for elastoplastic structural response.**Computer Methods in Applied Mechanics and Engineering, 190. 2001. DOI: 10.1016/S0045-7825(00)00227-9 - Stefan Schwarz, Ekkehard Ramm.
**Sensitivity analysis and optimization for nonlinear structural response..**Engineering Computations, 18. 2001. DOI: 10.1108/02644400110387181 - C.-C. Wu, Y.-Q. Huang, Ekkehard Ramm.
**A further study on incompatible models: revise stiffness approach and completeness of trial functions.**Comp. Meth. in Appl. Mech. Eng., 190. 2001. DOI: 10.1016/S0045-7825(01)00205-5 - Albrecht Burmeister, Reiner Reitinger, Ekkehard Ramm.
**Der Deutsche Pavillon auf der EXPO 2000 - Fassaden und glasversteifte Stützen..**Bauingenieur, 76. 2001. - J. Löblein, Manfred Bischoff, Ekkehard Ramm.
**Theorie und FE-Formulierung eines hierarchischen Schalenmodells..**ZAMM - Z. Angew. Math. Mech.. 2001. DOI: 10.1002/1617-7061(200203)1:1<448::AID-PAMM448>3.0.CO;2-S - Kai-Uwe Bletzinger, Ekkehard Ramm.
**Structural Optimization and Form Finding of Light Weight Structures..**Computers & Structures, 79. 2001. DOI: 10.1016/S0045-7949(01)00052-9 - Ellen Kuhl, Ekkehard Ramm, Kaspar Willam.
**Failure Analysis of elasto-plastic material models on different levels of observation.**Int. Journal of Solids and Structures, 37. 2000. DOI: 10.1016/S0020-7683(00)00198-0 - Fumio Fujii, Hirohisa Noguchi, Ekkehard Ramm.
**Static path jumping to attain postbuckling equlibria of a compressed circular cylinder.**Computational Mechanics, 26. 2000. DOI: 10.1007/s004660000170 - Manfred Bischoff, Ekkehard Ramm.
**On the physical significance of higher order kinematic and static variables in a three-dimensional shell formulation..**Int. J. Solids & Structures, 37. 2000. DOI: 10.1016/S0020-7683(99)00321-2 - Ellen Kuhl, Ekkehard Ramm.
**Microplane modelling of cohesive frictional materials.**Eur. J. Mech. A / Solids, 19. 2000. - Ekkehard Ramm.
**Entwicklung der Baustatik von 1920 bis 2000.**Der Bauingenieur, 75. 2000. - Kai-Uwe Bletzinger, Manfred Bischoff, Ekkehard Ramm.
**A Unified Approach for Shear-Locking-Free Triangular and Rectangular Shell Finite Elements.**Computers & Structures, 75. 2000. DOI: 10.1016/S0045-7949(99)00140-6 - Fehmi Cirak, Ekkehard Ramm.
**A Posteriori Error Estimation and Adaptivity for Elastoplasticity Using the Reciprocal Theorem.**Int. Journal of Numerical Methods in Engineering, 47. 2000. DOI: 10.1002/(SICI)1097-0207(20000110/30)47:1/3<379::AID-NME776>3.0.CO;2-2 - Ekkehard Ramm.
**From Reissner plate theory to three dimensions in large deformation shell analysis.**ZAMM - Z. Angew. Math. Mech., 80. 2000. DOI: 10.1002/(SICI)1521-4001(200001)80:1<61::AID-ZAMM61>3.0.CO;2-E - Astrid Schleupen, Ekkehard Ramm.
**Local and global error estimations in linear structural dynamics.**Computers & Structures, 76. 2000. DOI: 10.1016/S0045-7949(99)00186-8 - Ellen Kuhl, Ekkehard Ramm, Rene de Borst.
**An anisotropic gradient damage model for quasi-brittle materials.**Comp. Meth. in Appl. Mech. Eng., 183. 2000. DOI: 10.1016/S0045-7825(99)00213-3 - Wolfgang A. Wall, Manfred Bischoff, Ekkehard Ramm.
**A deformation dependent stabilization technique, exemplified by EAS-elements at large strains.**Comp. Meth. Appl. Mech. Eng., 188. 2000. DOI: 10.1016/S0045-7825(99)00365-5 - Astrid Schleupen, Kurt Maute, Ekkehard Ramm.
**Adaptive FE-procedure in shape optimization.**Structural Optimization, 19. 2000. DOI: 10.1007/s001580050125 - Ellen Kuhl, Gian A. D'Addetta, H.J. Herrmann, Ekkehard Ramm.
**A comparison of discrete granular material models with continuous microplane formulations.**Granular Matter, 2. 2000. - Holger Steeb, Fehmi Cirak, Ekkehard Ramm.
**On local error estimatiors for non-self-adjoint boundary value problems.**Zeitschr. f. Angew. Math. u. Mech. (ZAMM), 80. 2000. DOI: 10.1002/zamm.200008014142 - Detlef Kuhl, Ekkehard Ramm.
**Time Integration in the Context of Energy Control and Locking Free Finite Elements..**Archives of Computational Methods in Engineering, 7. 2000. DOI: 10.1007/BF02736211 - Ellen Kuhl, Ekkehard Ramm.
**Simulation of Strain Localization with Gradient Enganced Damage Models.**J. Comp. Material Science, 16. 1999. DOI: 10.1016/S0927-0256(99)00060-9 - Horst Menrath, André Haufe, Ekkehard Ramm.
**Ein nichtlineares Materialmodell für FE-Analysen von Stahlverbundträgern.**Stahlbau, 68. 1999. - Daniel P. Mok, Wolfgang A. Wall, Manfred Bischoff, Ekkehard Ramm.
**Algorithmic aspects of deformation dependent loads in nonlinear static finite element analysis.**Engineering Computations, 16. 1999. DOI: 10.1108/02644409910277951 - D. Kuhl, E. Ramm.
**Generalized energy-momentum method for non-linear adaptive shell dynamics.**Comp. Meth. Appl. Engrg, 178. 1999. DOI: 10.1016/S0045-7825(99)00024-9 - Kurt Maute, Stefan Schwarz, Ekkehard Ramm.
**Structural optimization - The interaction between form and mechanics.**ZAMM Z. Angew. Math. Mech., 79(. 1999. DOI: 10.1002/(SICI)1521-4001(199910)79:10<651::AID-ZAMM651>3.0.CO;2-O - D.P. Mok, W.-A. Wall, M. Bischoff, E. Ramm.
**On algorithmic aspects of deformation dependent loads in nonlinear finite element analysis..**Zeitschrift für angewandte Mathematik und Mechanik (ZAMM), 79. 1999. - Ekkehard Ramm, Albrecht Burmeister, Manfred Bischoff, Kurt Maute.
**Schalentragwerke..**Spektrum der Wissenschaft, Dossier Software.. 1999. - Kai-Uwe Bletzinger, Ekkehard Ramm.
**A General Finite Element Approach to the Form Finding of Tensile Structures by the Updated Reference Strategy.**Int. J. of Space Struct. 14. 1999. DOI: 10.1260/0266351991494759 - F. Kun, Gian A. D'Addetta, H. J. Herrmann, Ekkehard Ramm.
**Two-dimensional Dynamic Simulation of Fracture and Fragmentation of Solids.**Computer Assisted Mechanics and Engineering Science, 6. 1999. - Fehmi Cirak, Ekkehard Ramm.
**A Posteriori Error Estimation and Adaptivity for linear Elasticity using the Reciprocal Theorem.**Comp. Meth. in Appl. Mech. Eng., 156. 1998. DOI: 10.1016/S0045-7825(97)00220-X - Kurt Maute, Stefan Schwarz, Ekkehard Ramm.
**Adaptive Topology Optimization of Elastoplastic Structures.**Structural Optimization, 15. 1998. DOI: 10.1007/BF01278493 - Manfred Bischoff, Ekkehard Ramm, Dietrich Braess.
**A Class of Equivalent Enhanced Assumed Strain and Hybrid Stress Finite Elements.**Comp. Mech., 22. 1998. DOI: 10.1007/s004660050378 - A. Rössle, Manfred Bischoff, W. Wendland, Ekkehard Ramm.
**On the Mathematical Foundation of the (1,1,2)-Plate Model.**Int. J. of Solids & Structures, 36. 1998. DOI: 10.1016/S0020-7683(98)00071-7 - Ellen Kuhl, Ekkehard Ramm.
**On the linearization of the microplane model.**Mech. Cohesive Frictional Materials, 3. 1998. DOI: 10.1002/(SICI)1099-1484(1998100)3:4<343::AID-CFM57>3.0.CO;2-B - S. Krämer, Detlef Kuhl, Horst Menrath, Ekkehard Ramm.
**Dynamische Analyse der Fußgängerbrücke über den Allmandring in Stuttgart.**Bauingenieur, 75. 1998. - K. K. Choong, Ekkehard Ramm.
**Simulation of Buckling Process of Shells by Using the Finite Element Method.**Thin-walled Structures, 31. 1998. DOI: 10.1016/S0263-8231(98)00002-0 - Ekkehard Ramm, Albrecht Burmeister, Manfred Bischoff, Kurt Maute.
**Finite Elemente - Schalentragwerke..**Spektrum der Wissenschaft, 3. 1997. - Fumio Fujii, Ekkehard Ramm.
**Computational bifurcation theory: path-tracing, pinpointing and path-switching.**Engineering Structures, 19. 1997. DOI: 10.1016/S0141-0296(96)00094-6 - Manfred Bischoff, Ekkehard Ramm.
**Shear Deformable Shell Elements for Large Strains and Rotations.**Int.J.Num.Meth. in Eng., 40. 1997. DOI: 10.1002/(SICI)1097-0207(19971215)40:23<4427::AID-NME268>3.0.CO;2-9 - Kurt Maute, Ekkehard Ramm.
**Adaptive Topology Optimization of Shell Structures..**AIAA J., 35. 1997. - Deane Roehl, Ekkehard Ramm.
**Large Elasto-Plastic Finite Element Analysis of Solids and Shells with the Enhanced Assumed Strain Concept..**International Journal of Solids and Structures, 33. 1996. DOI: 10.1016/0020-7683(95)00246-4 - Detlef Kuhl, Ekkehard Ramm.
**Constraint Energy Momentum Algorithm and its Application to Nonlinear Dynamics of Shells..**Computational Methods in Applied Mechanics Engineering, 136. 1996. DOI: 10.1016/0045-7825(95)00963-9 - Ekkehard Ramm.
**.**Bauingenieur, 71. 1996. - Ekkehard Ramm.
**Die Golden Gate-Brücke - eine historische Betrachtung.**Bauingenieur, 71. 1996. - Reiner Reitinger, Ekkehard Ramm.
**Buckling and Imperfection Sensitivity in Optimization of Shell Structures.**Thin-Walled Structures, 23. 1995. DOI: 10.1016/0263-8231(95)00010-B - Norbert Rehle, Ekkehard Ramm.
**Generieren von FE-Netzen für ebene und gekrümmte Flächentragwerke..**Bauingenieur, 70. 1995. - Kurt Maute, Ekkehard Ramm.
**Adaptive Topology Optimization..**Structural Optimization, 10. 1995. - S. Di, Ekkehard Ramm.
**On Alternative Hybrid Stress 2D and 3D Elements..**Engineering Computations, 11. 1994. DOI: 10.1108/02644409410799155 - Reiner Reitinger, Ekkehard Ramm, Kai-Uwe Bletzinger.
**Shape Optimization of Buckling Sensitive Structures.**Computing Systems in Engineering, 5. 1994. DOI: 10.1016/0956-0521(94)90038-8 - Norbert Büchter, Ekkehard Ramm, Deane Roehl.
**Three-Dimensional Extension of Nonlinear Shell Formulation Based on the Enhanced Assumed Strain Concept..**Int. Journal of Numerical Methods in Engineering, 37. 1994. DOI: 10.1002/nme.1620371504 - Markus Braun, Manfred Bischoff, Ekkehard Ramm.
**Nonlinear Shell Formulation for Complete Three-Dimensional Constitutive Laws Including Composites and Laminates..**Computational Mechanics, 15. 1994. DOI: 10.1007/BF00350285 - Ulrich Andelfinger, Ekkehard Ramm.
**EAS-Elements for Two-Dimensional, Three-Dimensional Plate and Shell Structures and Their Equivalence to HR-Elements..**Int. Journal of Methods in Engineering, 36. 1993. DOI: 10.1002/nme.1620360805 - Kai-Uwe Bletzinger, Ekkehard Ramm.
**Form finding of shells by structural optimization ..**Engineering with Computers. 1993. DOI: 10.1007/BF01198251 - S. Di, Ekkehard Ramm.
**Hybrid Stress Formulation for Higher-Order Theory of Laminated Shell Analysis..**Computer Methods in Applied Mechanics and Engineering, 109. 1993. DOI: 10.1016/0045-7825(93)90087-E - Stefan Kimmich, Reiner Reitinger, Ekkehard Ramm.
**Integration of Different Numerical Techniques in Shape Optimization..**Structural Optimization, 4. 1992. DOI: 10.1007/BF01742736 - Norbert Büchter, Ekkehard Ramm.
**Shell Theory versus Degeneration - A Comparison in Large Rotation Finite Element Analysis..**Int. J. Numerical Methods in Engineering, 34. 1992. DOI: 10.1002/nme.1620340105 - D. Tao, Ekkehard Ramm.
**Characteristics of Subspace in Reduced Basis Technique..**Int. J. Numerical Methods in Engineering, 31. 1991. DOI: 10.1002/nme.1620310809 - Ekkehard Ramm, G. Mehlhorn.
**On Shape Finding Methods and Ultimate Load Analysis of Reinforced Concrete Shells..**Engineering Structures, 13. 1991. DOI: 10.1016/0141-0296(91)90050-M - Kai-Uwe Bletzinger, Stefan Kimmich, Ekkehard Ramm.
**Efficient Modeling in Shape Optimal Design..**Computer Systems in Engineering, 2. 1991. DOI: 10.1016/0956-0521(91)90051-6 - Nielen Stander, Anton Matzenmiller, Ekkehard Ramm.
**An Assessment of Assumed Strain Methods in Finite Rotation Shell Analysis..**Engineering Computations, 6. 1989. DOI: 10.1108/eb023760 - Ekkehard Ramm, Anton Matzenmiller.
**Consistent Linearization in Elasto-Plastic Shell Analysis..**Engineering Computations, 5. 1988. DOI: 10.1108/eb023748 - Karl Schweizerhof, Ekkehard Ramm.
**Follower Force Effects onStability of Shells under Hydrostatic Loads..**J. Engineering Mechanics, 113. 1987. DOI: 10.1061/(ASCE)0733-9399(1987)113:1(72) - Ekkehard Ramm, K. Weimar.
**Traglasten unversteifter Trägerstegbleche unter konzentrierten Lasen..**Stahlbau, 55. 1986. - Karl Schweizerhof, Ekkehard Ramm.
**Displacement Dependent Pressure Loads in Nonlinear Finite Element Analysis.**Computers & Structures, 18. 1984. DOI: 10.1016/0045-7949(84)90154-8 - Friedrich-Wilhelm Bornscheuer, Lothar Häfner, Ekkehard Ramm.
**Zur Stabilität eines Kreiszylindersmit einer Rundschweißnaht unter Axialbelastung..**Der Stahlbau, 52. 1983. - Bernhard Brendel, Ekkehard Ramm.
**Nichtlineare Stabilitätsuntersuchungen mit der Methode der finiten Elemente..**Ingenieur-Archiv, 51. 1982. DOI: 10.1007/BF00536659 - Peter Osterrieder, Ekkehard Ramm.
**Weitere Grundformeln zur Berechnung von ebenen Stabtragwerken nach der Fließgelenktheorie I. und II. Ordnung mit Systemveränderung..**Stahlbau, 51. 1982. - Jürgen M. Sättele, Ekkehard Ramm, M. Fischer.
**Traglastkurven einachsig gedrückter Rechteckplatten mit Seitenverhältnissen alpha +- 1 bei vorgegebenen geometrischen Imperfektionen..**Stahlbau, 50. 1981. - Peter Osterrieder, Ekkehard Ramm.
**Berechnung von ebenen Stabtragwerken nach der Fließgelenktheorie I. und II. Ordnung unter Verwendung des Weggrößenverfahrens mit Systemveränderung..**Stahlbau, 50. 1981. - Bernhard Brendel, D. Fischer, Ekkehard Ramm, Franz G. Rammerstorfer.
**Linear and Nonlinear Stability Analysis of Thin Cylindrical Shells under Wind Loads..**J. Structural Mechanics, 9. 1981. DOI: 10.1080/03601218108907378 - Bernhard Brendel, Ekkehard Ramm.
**Linear and Nonlinear Stability Analysis of Cylindrical Shells..**Computers & Structures, 12. 1980. DOI: 10.1016/0045-7949(80)90130-3 - Klaus-Jürgen Bathe, Ekkehard Ramm, Edward L. Wilson.
**Finite Element Formulations for Large Displacement and Large Strain Analysis..**International Journal for Numerical Methods in Engineering, 9. 1975. DOI: 10.1002/nme.1620090207 - Friedrich-Wilhelm Bornscheuer, Erwin Stein, Ekkehard Ramm.
**Elastizitätslehre, besonders die Statik der Flächentragwerke im Schrifttum..**VDI-Z, 180. 1966.

- Bastian Oesterle, Renate Sachse, Simon Bieber, Ekkehard Ramm, Manfred Bischoff.
**Isogeometric analysis with hierarchic shell elements – intrinsically free from locking by alternative parametrizations.**Proceedings of the IASS Annual Symposium 2017. Annette Bögle, Manfred Grohmann (eds.) "Interfaces: architecture.engineering.science". 25-28th September, 2017, Hamburg, Germany. 2017. - Bastian Oesterle, Manfred Bischoff, Ekkehard Ramm.
**Hierarchic isogeometric analyses of beams and shells.**In: M. Kleiber, T. Burczynski, K. Wilde, J. Gorski, K. Winkelmann, L. Smakosz (Eds.) "Advances in Mechanics: Theoretical, Computational and Interdisciplinary Issues". Proceedings of the 3rd Polish Congress of Mechanics (PCM) & 21st International Conference on Computer Methods in Mechanics (CMM), Gdansk, Poland, 8-11 September 2015. 2016. - Ekkehard Ramm, Junji Kato.
**Material Optimization for Textile Reinforced Concrete Applying a Damage Formulation.**Proc. of EURO-C 2010, Taylor & Francis, (Nenad Bicanic, René de Borst, Herbert Mang, Günther Meschke, eds.). 2010. - Benjamin Schneider, Manfred Bischoff, Ekkehard Ramm.
**Modeling of material failure by the discrete element method.**PAMM, Proceedings in Applied Mathematics and Mechanics, Special Issue: 81st Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Karlsruhe 2010. Editor: Prof. Christian Wieners, Volume 10, Issue 1. 2010. - Ingrid Bruss, Ekkehard Ramm.
**Modeling of continuous curved crack surfaces in three dimensional composite structures.**Proc. of the Int. Conf. on Extended Finite Element Methods - Recent Developments and Applications. 2009. - Ekkehard Ramm, Malte von Scheven, Christiane Förster, Wolfgang A. Wall.
**Interaction of Incompressible Flows and Thin-Walled Structures.**ECCOMAS Multidisciplinary Jubilee Symposium. New Computational Challenges in Materials, Structures, and Fluids., ( J. Eberhardsteiner, Ch. Hellmich, H. Mang, J. Périaux, eds.), Springer. 2009. - Junji Kato, Ekkehard Ramm.
**Multiphase Layout Optimization for Fiber Reinforced Composites applying a Damage Formulation.**Proc. 4th Coll. on Textile Reinforced Structures (CTRS4), (M. Curbach, F. Jesse, eds), TU Dresden (Eigenverlag) ISBN 978-3-86780-122-5. 2009. - Ekkehard Ramm, Frederic Hilchenbach, Junjii Kato, Andreas Lipka.
**Design Optimization of Heterogeneous Materials for Non-Linear Response.**X Int. Conference 'Comp. Plasticity (COMPLAS X), (E. Onate and D.R.J. Owen, eds), Barcelona - Extended Abstract. 2009. - E. Ramm, A. Burmeister, L. Eitel, R. Reitinger.
**Widespanned Retractable Roofs of Thermal Baths in Wörishofen und Erding.**Proc. Int. Ass. Shell & Spatial Structures (IASS) Symposium 2009 on Evolution and Trends in Design, Analysis and Construction of Shell and Spatial Structures, (A. Domingo & C. Lazaro, eds.) Valencia. 2009. - Ekkehard Ramm.
**The Logic of Form - The Interplay between Geometry and Physics.**Proc. Int. Ass. Shell & Spatial Structures (IASS) Symposium 2009 on Evolution and Trends in Design, Analysis and Construction of Shell and Spatial Structures, (A. Domingo & C. Lazaro, eds.) Valencia, Extended Abstract. 2009. - E. Ramm, B. Schneider, G. A. D'Addetta.
**Fragmentation of Cohesive Materials Modeled by Polygonal Discrete Elements.**In: E. Onate, D.R.J. Owen (eds.): Proc. Int. Conf. on Particle-Based Methods (Particles 2009), Barcelona, Extended Abstract. 2009. - B. Schneider, G. A. D'Addetta, E. Ramm.
**Application of the Discrete Element Method to Quasibrittle Materials.**In: E. Onate, D.R.J. Owen (eds.): Proc. Int. Conf. on Particle-Based Methods (Particles 2009), Barcelona, Extended Abstract. 2009. - Ekkehard Ramm, Albrecht Burmeister.
**Die Statik wird dynamisch - Modellbildungen und Anwendungen.**Baustatik-Baupraxis 10, Universität Karlsruhe (TH). 2008. - Thomas Cichosz, Manfred Bischoff, Stefan Hartmann, Ekkehard Ramm.
**Non-linear dynamic contact of thin-walled structures.**Proc. in Applied Mathematics and Mechanics 8. 2008. - Ekkehard Ramm, Malte von Scheven, Christiane Förster, Wolfgang A. Wall.
**Thin-walled Structures Interacting with Incompressible Flows.**Proc. 6th Intern. Conf. on Computation of Shell and Spatial Structures IASS-IACM 2008: 'Spanning Nano to Mega' 28-31 May 2008, Ithaca, NY, USA John F. ABEL and J. Robert COOKE (eds.). 2008. - Ekkehard Ramm.
**Alex C. Scordelis' Great Achievements in Bridge Engineering - From Computer Programs to the Golden-Gate-Bridge Retrofit.**Proc. 6th Intern. Conf. on Computation of Shell and Spatial Structures (IASS-IACM 2008), (J.F. Abel & J.R. Cooke, eds.), Ithaca, Extended Abstract. 2008. - Malte von Scheven, S.R. Tiyyagura, Ekkehard Ramm, Manfred Bischoff.
**Efficiency Issues of Partitioned Solution in Fluid-Structure Interaction.**Extended Abstract in Proc. of International Conf. on Computational Methods for Coupled Problems in Science and Engineering, Santa Eulalia, Ibiza, Spain, Mai 21-23. 2007. - Christiane Förster, Wolfgang A. Wall, Ekkehard Ramm.
**The Artificial Added Mass Effect in Sequential Staggered Fluid-Structure Interaction Algorithms.**Proc. of European Conference on Computational Fluid Dynamics, ECCOMAS CFD 2006. 2006. - M. Neumann, S.R. Tiyyagura, Wolfgang A. Wall, Ekkehard Ramm.
**Robustness and Efficiency Aspects for Computational Fluid Structure Interaction.**in E. Krause, Y.I. Shokin, M. Resch, N. Shokina (eds.), 'Computational Science and High Performance Computing II. The 2nd Russian-German Advanced Research Workshop, Stuttgart, Germany, March 14 to 16', Series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM), 91, Springer. 2006. - Ekkehard Ramm, Andrea Hund, Thomas Hettich.
**A Variational Multiscale Model for Composites with Special Emphasis on the X-FEM and Level Sets.**Proceedings Intern. Conf. on Computational Modelling of Concrete Structures (EURO-C 2006), G. Meschke, R. de Borst, H. Mang, N. Bicanic (eds), Balkema Publ.. 2006. - Tobias Erhart, Wolfgang A. Wall, Ekkehard Ramm.
**Impact Large Deformation Processes of Geomaterials.**Proceedings Intern. Conf. on Computational Modelling of Concrete Structures (EURO-C 2006), G. Meschke, R. de Borst, H. Mang, N. Bicanic (eds), Balkema Publ.. 2006. - Gian Antonio D'Addetta, Benjamin Schneider, Ekkehard Ramm.
**Particle Models for Cohesive Frictional Materials.**In: G. Meschke, R. de Borst, H. Mang, N. Bicanic (eds.): Proceedings Intern. Conf. on Computational Modelling of Concrete Structures (EURO-C 2006), Balkema Publ.. 2006. - M. Neumann, U. Küttler, S.R. Tiyyagura, Wolfgang A. Wall, Ekkehard Ramm.
**Computational Efficiency of Parallel Unstructured Finite Element Simulations.**in M. Resch, T. Bönisch, K. Benkert, T. Furui, Y. Seo, W. Bez (eds.), 'High Performance Computing on Vector Systems. Proceedings of the High Performance Computing Center Stuttgart, March' Springer. 2006. - Ekkehard Ramm, Christiane Förster, M. Neumann, Wolfgang A. Wall.
**Interaction of Shells and Membranes with Incompressible Flows.**Proc. of 3rd Europ. Conf. on Comp. Mech., Lisbon 2006, 'Solids, Structures and Coupled Problems in Engineering', (eds. C.A. Mota-Soares et al.), Springer. 2006. - Stefan Hartmann, S. Brunssen, Ekkehard Ramm, Barbara Wohlmuth.
**A primal-dual active set strategy for unilateral non-linear dynamic contact problems of thin-walled structures.**Proc. of 3rd Europ. Conf. on Comp. Mech., Lisbon 2006, 'Solids, Structures and Coupled Problems in Engineering', (eds. C.A. Mota-Soares et al.), Springer. 2006. - Junji Kato, Andreas Lipka, Ekkehard Ramm.
**Preliminary investigation for optimization of fiber-reinforced cementitious composite structures.**Proc. of 3rd Europ. Conf. on Comp. Mech., Lisbon 2006, 'Solids, Structures and Coupled Problems in Engineering' (eds. C.A. Mota-Soares et al.) Springer. 2006. - A.J. de Wit, Andreas Lipka, Ekkehard Ramm, Fred van Keulen.
**Multi-level optimization of material and structural layout.**Proc. of 3rd Europ. Conf. on Comp. Mech., Lisbon 2006, 'Solids, Structures and Coupled Problems in Engineering', (eds. C.A. Mota-Soares et al.), Springer. 2006. - Wolfgang A. Wall, A. Gerstenberger, P. Gamnitzer, Christiane Förster, Ekkehard Ramm.
**Large Deformation Fluid-Structure Interaction - Advances in ALE Methods and New Fixed Grid Approaches.**Fluid-Structure-Interaction: Modelling - Simulation - Optimization, LNSCE 53, Springer. 2006. - Christiane Förster, Steffen Genkinger, M. Neumann, Wolfgang A. Wall, Ekkehard Ramm.
**Fluid-Structure Interaction of Incompressible Flows and Slender Structures.**Multifield Problems in Solid and Fluid Mechanics, (Helmig, R., Mielke, A., Wohlmuth, B.I., eds.), Vol. 28, LNACM Series, Springer. 2006. - Albrecht Burmeister, L. Eitel, Ekkehard Ramm, Reiner Reitinger.
**Weitgespannte verfahrbare Dächer - Thermen in Erding und Bad Wörishofen.**Tagungsband 10. Dresdner Baustatik-Seminar 'Neue Bauweisen - Trends in Statik und Dynamik', Dresden, Germany. 2006. - Stefan Hartmann, S. Brunssen, Barbara Wohlmuth, Ekkehard Ramm.
**Unilateral dynamic contact of thin-walled structures.**Proc. of International Conference on Multifield Problems, October 4-6, Stuttgart, Deutschland. 2006. - Stefan Hartmann, S. Brunssen, Barbara Wohlmuth, Ekkehard Ramm.
**An energy conserving primal-dual active set strategy for unilateral non-linear dynamic contact problems.**Proc. of Forschungskolloquium Baustatik-Baupraxis, 19.-22. September, Obergurgl, Österreich. 2006. - Stefan Hartmann, S. Brunssen, Barbara Wohlmuth, Ekkehard Ramm.
**An energy conserving primal-dual active set strategy for unilateral non-linear dynamic contact problems.**Proc. of 7th World Congress on Computational Mechanics, July 16-22, Los Angeles, California, USA. 2006. - Andreas Lipka, Ekkehard Ramm.
**Optimization of foam filled structures using gradient based algorithms.**Proc. of the IUTAM SYMPOSIUM: topoptSymp2005, Topological design optimization of structures, machines and materials status and perspectives, October 26- 29 , Rungstedgaard, Copenhagen, Denmark. 2005. - Andreas Lipka, Ekkehard Ramm.
**Material topology optimization of cellular and solid structures.**Seminar on Shape and Topological Sensitivity Analysis LNCC, Juni 6-9, Petropolis, Brazil. 2005. - Andreas Lipka, Ekkehard Ramm.
**A concept for the optimization of metal foam structures.**Proc. Of the 6th World Congress on Structural and Multidisciplinary Optimization WCSMO6, May 26 - June 3, Rio de Janeiro, Brazil. 2005. - Andrea Hund, Ekkehard Ramm.
**Investigation of Constraints for Small Scale Solution within a Multiscale Model for Composites.**Proceedings of the International Conference on Computational Plasticity VIII, Barcelona, Spain. 2005. - Andrea Hund, Thomas Hettich, Ekkehard Ramm.
**Aspects of Microformulation and Locality Constraints within a Multiscale Model for Nonlinear Behaviour of Composites.**Proceedings of the 5th International Conference on Computation of Shell and Spatial Structures, Salzburg, Austria. 2005. - Stefan Hartmann, Manfred Bischoff, Ekkehard Ramm.
**On the Performance of 3D Elements for Shell Analysis with Non-Linear Softening Plasticity Models.**Proc. of VIII Conference on Computational Plasticity (Complas 2005), September 5-7, Barcelona, Spain. 2005. - Andrea Hund, Ekkehard Ramm.
**Application of the Variational Multiscale Method to Damage of Composites.**Proc. Of the 11th International Conference on Fracture, Turin, Italy. 2005. - Ekkehard Ramm, Tobias Erhart, Wolfgang A. Wall.
**Numerical modeling of transient impact processes with large deformations and nonlinear material behavior.**In: 'Computational Plasticity' Selected Papers of COMPLAS 8, (eds. E. Onate, D.J.R. Owen) Springer. 2005. - Albrecht Burmeister, H. Rahm, Ekkehard Ramm.
**Dynamisches Verhalten von Bauteilen unter kurzzeitigen Einwirkungen.**Proc. Tagung Baustatik-Baupraxis 9, Dresden, Germany. 2005. - Gian Antonio D'Addetta, Ekkehard Ramm.
**A Particle Model for Cohesive Frictional Materials. .**Proceedings 5th GRACM Int. Congress on Computational Mechanics, Limassol, Cyprus . 2005. - Ekkehard Ramm, Tobias Erhart, Wolfgang A. Wall.
**Numerical Modelling of Transient Impact Processes with Large Deformations and Nonlinear Material Behavior. .**Proceedings 8th Intern. Conf. on Computational Plasticity (COMPLAS VIII). eds. E. Onate, D.R.J. Owen, Barcelona . 2005. - M. Neumann, S.R. Tiyyagura, Wolfgang A. Wall, Ekkehard Ramm.
**Efficiency Aspects for Advanced Fluid Finite Element Formulations.**Extended Abstract in Proc. of Fifth International Conference on Computation of Shell and Spatial Structures, Salzburg, Austria, June 1-4. 2005. - Gian A. D'Addetta, Ekkehard Ramm.
**Discrete Models and Their Application in Damage Mechanics.**Proc. of the 21st International Congress of Theoretical and Applied Mechanics, ICTAM 2004, Warsaw, Poland . 2004. - Gian A. D'Addetta, Ekkehard Ramm.
**Discrete Models for Geomaterials.**Proc. of the NATO-ARW Workshop on Multi-Physics and Multi-Scale Computer Models in Non-linear Analysis and Optimal Design of Engineering Structures under extreme Conditions, Bled, Slovenja . 2004. - Roman Kemmler, Ekkehard Ramm, Andreas Lipka.
**Stability and Large Deformations in Structural Optimization.**Proc. of the NATO-ARW Workshop on Multi-Physics and Multi-Scale Computer Models in Non-linear Analysis and Optimal Design of Engineering Structures under extreme Conditions, Bled, Slovenja . 2004. - Ekkehard Ramm, Gian A. D'Addetta, Michael Leukart.
**From Microscopic to Macroscopic Modeling of Geomaterials.**Proc. of the IV European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2004 Jyväskylä, Finland . 2004. - Gian A. D'Addetta, Ekkehard Ramm.
**Discrete Models for Geomaterials.**Proc. of the 2nd International Symposium on Continuous and Discontinuous Modelling of Cohesive Frictional Materials, CDM 2004, Stuttgart, Germany, 27/28 September 2004, Balkema Publ. . 2004. - Pieter A. Vermeer, Wolfgang Ehlers, H.J. Herrmann, Ekkehard Ramm (eds.).
**Modelling of Cohesive-Frictional Materials. .**Proc. of the 2nd International Symposium on Continuous and Discontinuous Modelling of Cohesive Frictional Materials, CDM 2004, Stuttgart, Germany, 27/28 September 2004, Balkema Publ.. 2004. - Michael Gee, Ekkehard Ramm, Wolfgang A. Wall.
**Parallel Multilevel Solution of Nonlinear Shell Structures. .**Proc. of World Conf. on Computational Mechanics (WCCM VI), Beijing, PR China . 2004. - Ekkehard Ramm, Gian A. D'Addetta, Michael Leukart.
**Interrelations between Continuum and Discontinuum Models for Geomaterials.**Proc. of the VII International Conference on Computational Plasticity, COMPLAS 2003, Barcelona, Spain. 2003. - Tobias Erhart, Wolfgang A. Wall, Ekkehard Ramm.
**A Continuum Approach for the Dynamic Simulation of Powder-like Materials.**Proc. of the VII International Conference on Computational Plasticity, COMPLAS 2003, Barcelona, Spain. 2003. - Matthias Hörmann, Ekkehard Ramm, Wolfgang A. Wall.
**Nonlinear Failure Analysis of Laminated Composite Shells..**Proc. of the VII International Conference on Computational Plasticity, COMPLAS 2003, Barcelona, Spain. 2003. - Volker Gravemeier, Wolfgang A. Wall, Ekkehard Ramm.
**Numerical Solution of the Incompressible Navier-Stokes Equations by a Three-Level Finite Element Method.**Proceedings of the Second MIT Conference on Computational Fluid and Solid Mechanics, Cambridge, MA, USA. 2003. - Wolfgang A. Wall, Daniel P. Mok, Ekkehard Ramm.
**Iterative Substructuring Schemes for Fluid Structure Interaction.**In: 'Analysis and Simulation of Multifield Problems' (W.L. Wendland, M. Efendiev, eds.). Lecture Notes in Applied and Computational Mechanics, Springer. 2003. - Steffen Genkinger, Wolfgang A. Wall, Ekkehard Ramm.
**A Parallel Computational Approach for Free Surface Flows with Structural Interactions.**PAMM - Proc. Appl. Math. Mech. 3. 2003. - Tobias Erhart, Wolfgang A. Wall, Ekkehard Ramm.
**A Numerical Model for Simulation of Dry Powder Compaction.**Proc. of the 21st CAD-FEM users' meeting, Potsdam, Germany. 2003. - Manfred Bischoff, Kai-Uwe Bletzinger, Alexander Düster, S. Kizio, J. Neumann, Ernst Rank, Ekkehard Ramm, Karl Schweizerhof.
**Comparision of different FE shell formulations applied on numerical examples with adaptively generated FE meshes..**In: K.-J. Bathe (ed.) Proceedings of the 2nd MIT Conference on Computational Fluid and Solid Mechanics, Elsevier Science. 2003. - Ekkehard Ramm, MIchael Gee, Wolfgang A. Wall.
**A multilevel approach to the solution of large-scale nonlinear shell problems.**Finite Element Methods: 1970's and beyond L. P. Franca (Ed.), E CIMNE, Barcelona. 2003. - Ekkehard Ramm, Wolfgang A. Wall, Michael Gee, Matthias Hoermann, Andreas Lipka.
**Shells in Advanced Computational Environment.**Proc. of the World Congress on Comp. Mechanics WCCM5, July 7-12, Vienna, Austria. 2002. - Albrecht Burmeister, Reiner Reitinger, Ekkehard Ramm.
**Dynamik von Gebäuden für sensitive Chip-Produktionen.**in: Proc. of Baustatik-Baupraxis 8, Institut für Statik, TU Braunschweig. 2002. - Ekkehard Ramm, Roman Kemmler.
**Stability and Large Deformations in Structural Optimization..**Proceedings of Int. Symposium on Lightweight Structures in Civil Engineering, Warsaw, Poland. 2002. - Ekkehard Ramm, Wolfgang A. Wall.
**Shells in Advanced Computational Environment.**Plenary paper, in: Proceedings of the 5th World Congress on Computational Mechanics (WCCM V), H. Mang et al. (eds.), Vienna, Austria, July, 7th - 12th. 2002. - Matthias Hörmann, Ekkehard Ramm.
**Modeling of Delamination in Laminated Composites..**Proceedings of the Fifth World Congress on Computational Mechanics (WCCM V), July 7-12, 2002, Vienna, Austria, Editors: Mang, H.A., Rammerstorfer, F.G., Eberhardsteiner, J., Publisher: Vienna University of Technology, Austria. 2002. - Volker Gravemeier, Wolfgang A. Wall, Ekkehard Ramm.
**A Three-Level Approach for Incompressible Navier-Stokes.**Proceedings of the Fifth World Congress on Computational Mechanics (WCCM V), July 7-12, 2002, Vienna, Austria, Editors: Mang, H.A., Rammerstorfer, F.G., Eberhardsteiner, J., Publisher: Vienna University of Technology, Austria. 2002. - Michael Leukart, Ekkehard Ramm.
**An Alternative Split within the Microplane Material Model.**Proceedings of the Fifth World Congress on Computational Mechanics (WCCM V), July 7-12, 2002, Vienna, Austria, Editors: Mang, H.A., Rammerstorfer, F.G., Eberhardsteiner, J., Publisher: Vienna University of Technology, Austria. 2002. - Gian A. D'Addetta, Ekkehard Ramm, Stefan Diebels, E. Ehlers.
**Homogenization for Particle Assemblies.**in: Proc. of the Third International Conference on Discrete Element Methods, Santa Fe, New Mexico, USA, 23-25 September 2002, ASCE Geotechnical Special Publication No. 117 (eds. B.K. Cook & R.P. Jensen). 2002. - Wolfgang A. Wall, Ekkehard Ramm.
**Consequences of the Extreme Slenderness of Simulation of Shells in Advanced Computational Environment..**In: 'Validation of FEM Analyses - Models and Results'. NAFEMS. 2002. - Albrecht Burmeister, Reiner Reitinger, Ekkehard Ramm.
**Dynamik von Gebäuden für sensitive Chip -Produktionen..**Tagungsband Baustatik-Baupraxis 8, Institut für Statik, TU Braunschweig.. 2002. - Ekkehard Ramm, Wolfgang A. Wall.
**Interaction of Fluids and Thin Structures.**Plenary paper, in: Solids, Structures and Coupled Problems in Engineering, Proc. of the 2nd European Conference on Computational Mechanics - ECCM 2001, Cracow, Poland. 2001. - Andreas Lipka, Stefan Schwarz, Ekkehard Ramm.
**Topology optimization of three-dimensional structures with consideration of elastoplastic structural response.**in: Solids, Structures and Coupled Problems in Engineering, Proc. of the 2nd European Conference on Computational Mechanics - ECCM 2001, Cracow, Poland. 2001. - Ellen Kuhl, Gian A. D'Addetta, Michael Leukart, Ekkehard Ramm.
**Microplane modelling and particle modelling of cohesive-frictional materials.**In: 'Continuous and Discontinuous Modelling of Cohesive Frictional Materials' (Proc. of 'Continuous and Discontinuous Modelling of Cohesive Frictional Materials CDM 2000', Stuttgart, Germany, 27-28 April 2000), Lecture Notes in Physics (LNP) 568, Springer, Berlin. 2001. - Gian A. D'Addetta, F. Kun, Ekkehard Ramm, H.J. Herrmann.
**From solids to granulates - Discrete element simulations of fracture and fragmentation processes in geomaterials.**In: 'Continuous and Discontinuous Modelling of Cohesive Frictional Materials' (Proc. of 'Continuous and Discontinuous Modelling of Cohesive Frictional Materials CDM 2000', Stuttgart, Germany, 27-28 April 2000), Lecture Notes in Physics (LNP) 568, Springer, Berlin. 2001. - Gian A. D'Addetta, F. Kun, Ekkehard Ramm.
**Fracture simulation of cohesive frictional materials by discrete element models.**Proc. of the Fourth International Conference Analysis of Discontinuous Deformation, N. Bicanic (Ed.), Glasgow, UK, 06-08 June. 2001. - Danile P. Mok, Wolfgang A. Wall, Ekkehard Ramm.
**Accelerated iterative substructuring schemes for instationary fluid structure interaction.**Proc. of the First MIT Conference on Computational Fluid and Solid Mechanics, Cambridge, MA, USA, 12-14 June. 2001. - André Haufe, Ekkehard Ramm.
**A Computational Model for Double-Head Studs.**Proc. of Symposium on Connections between Steel and Concrete, Stuttgart, Sept. 9-12th. 2001. - Albrecht Burmeister, Reiner Reitinger, Ekkehard Ramm.
**Glas - Umgang mit einem spröden Material..**Tagungsband 5. Dresdner Baustatik-Seminar 'Vermeidung von Bauschäden - Aufgabe der Tragwerksplanung', B. Müller, B. Dressel (Hrsg.), Oktober.. 2001. - Albrecht Burmeister, Ekkehard Ramm, Reiner Reitinger.
**Glass Structures of German Expo 2000 Pavilion..**Proc. Int. Symposiumon Theory, Design and Realization of Shell and Spatial Structures, IASS, Nagoya, Japan.. 2001. - Wolfgang A. Wall, Daniel Mok, J. Schmidt, Ekkehard Ramm.
**Partitioned analysis of transient nonlinear fluid structure interaction problems including free surface effects.**In: Multifield Problems: State of the Art, A.-M. Sändig, W. Schiehlen, W.L. Wendland (Eds.), Springer, Germany. 2000. - André Haufe, Horst Menrath, Ekkehard Ramm.
**Numerical simulation of high strength steel - high strength concrete composite structures.**6th Conf. ASCCS March 2000, Los Angeles, USA.. 2000. - Michael Gee, Wolfgang A. Wall, Ekkehard Ramm.
**Parallel iterative solvers in nonlinear shell analysis.**in: Proceedings of GAMM 2000, Göttingen, 2.-7. April 2000, Zeitschrift für Angewandte Mathematik und Mechanik (ZAMM).. 2000. - Ekkehard Ramm, Roman Kemmler, Stefan Schwarz.
**Formfinding and optimization of shell structures.**Proc. of 'IASS-IACM 2000', Fourth International Colloquium on Computation of Shell and Spatial Structures, Chania, Crete, Greece, 4-7 June. 2000. - Wolfgang A. Wall, Michael Gee, Ekkehard Ramm.
**The challenge of a three-dimensional shell formulation - the conditioning problem.**Proc. of 'IASS-IACM 2000', Fourth International Colloquium on Computation of Shell and Spatial Structures, Chania, Crete, Greece, 4-7 June. 2000. - Wolfgang A. Wall, Daniel P. Mok, Ekkehard Ramm.
**Simulation of nonlinear shells interacting with instationary flows.**Proc. of 'IASS-IACM 2000', Fourth International Colloquium on Computation of Shell and Spatial Structures, Chania, Crete, Greece, 4-7 June. 2000. - Holger Steeb, Ekkehard Ramm.
**A general framework for local error estimation applied to material nonlinear problems.**European Congress on Comput. Methods in Applied Sciences and Engineering, ECCOMAS 2000, Barcelona, 11-14 September 2000. 2000. - Ekkehard Ramm, Stefan Schwarz, Roman Kemmler.
**Advances in structural optimization including nonlinear mechanics.**Proc. of 'ECCOMAS 2000', Barcelona, Spain, 11-14 September. 2000. - Wolfgang A. Wall, Ekkehard Ramm.
**A coupled fluid structure environment with a three-dimensional shell model.**Proc. of 'ECCOMAS 2000', Barcelona, Spain, 11-14 September. 2000. - Ekkehard Ramm, Gian A. D'Addetta, Ellen Kuhl.
**Geomaterials: Continuum or Discontinuum, that is the question.**Proc. of 'COMPLAS 6', Barcelona, Spain, 11-14. September. 2000. - André Haufe, Horst Menrath, Ekkehard Ramm.
**A comparison of plasticity models for thin-walled reinforced concrete structures.**Proc. of 'ECCOMAS', Barcelona, Spain, 11-14. September. 2000. - Ekkehard Ramm, Stefan Schwarz, Roman Kemmler, Andreas Lipka.
**Structural optimization - The interaction of form and mechanics.**Proc. of 18. CAD-FEM Users Meeting, Internationale FEM- Technologietage, 20-22 September, Friedrichshafen, Germany. 2000. - Wolfgang A. Wall, Michael Gee, Manfred Bischoff, Ekkehard Ramm.
**Tuning of a 3D shell model in nonlinear statics and dynamics.**In: Extended Abstracts of the 20th International Congress of Theoretical and Applied Mechanics, Chicago, USA. 2000. - Ekkehard Ramm, Albrecht Burmeister.
**Punktgestützte Gläser als tragende Konstruktion.**Proceedings of 'Baustatik-Baupraxis VII', 18./19. März 1999, RWTH Aachen, K. Meskouris (ed), Balkema, Rotterdam. 1999. - Matthias Hörmann, Horst Menrath, Ekkehard Ramm, F. Seible.
**Ertüchtigung von Stahlbetonplatten durch faserverstärkte Kunststoffe-Versuche und FE-Rechnungen.**Proceedings of 'Baustatik-Baupraxis VII', 18./19. März 1999, RWTH Aachen, K. Meskouris (ed), Balkema, Rotterdam. 1999. - D.P. Mok, W.A. Wall, E. Ramm.
**Partitioned multi-time step FE-analysis for nonlinear structural dynamics.**In: Structural Dynamics - EURODYN'99, Proc. 4th Int. Conf. of the European Association for Structural Dynamics, Prague, 7-10 June 1999, L. Fryba, J. Naprstek (eds.), Balkema, Rotterdam. 1999. - A. Schleupen, E. Ramm.
**A-posteriori error estimates for local and global variables in linear elastodynamics.**In: Structural Dynamics - EURODYN'99, Proc. 4th Int. Conf. of the European Association for Structural Dynamics, Prague, 7-10 June 1999, L. Fryba, J. Naprstek (eds.), Balkema, Rotterdam. 1999. - André Haufe, Horst Menrath, Ekkehard Ramm.
**Nonlinear Analysis of Composite Steel-Concrete Structures.**In: Conference Proceedings of ASCE Structures Congress 1999, New Orleans, USA, April 18-21. 1999. - Wolfgang A. Wall, Daniel P. Mok, Ekkehard Ramm.
**Partitioned analysis approach for the transient, coupled response of viscous fluids and flexible structures.**Proc. European Conference on Computational Mechanics (ECCM), Munich, Germany, 31 August - 3 September. 1999. - J. Schmidt, Wolfgang A. Wall, Ekkehard Ramm.
**Transient free surface flows via a stabilized ALE finite element method.**Proc. GAMM 99, Metz, France, 12-16 April. 1999. - Roman Kemmler, Stefan Schwarz, Ekkehard Ramm.
**Topology optimization including geometrically nonlinear response.**Proceedings of the 3rd Wolrd Congress of Structural and Multidisciplinary Optimization, May, 17-21, 1999, Buffalo, USA.. 1999. - Manfred Bischoff, Wolfgang A. Wall, Ekkehard Ramm.
**Stabilized enhanced assumed strain elements for large strain analysis without artificial kinematic modes.**Proc. European Conference on Computational Mechanics (ECCM), Munich, Germany, 31 August - 3 September. 1999. - Manfred Bischoff, Ekkehard Ramm.
**Solid-like shell or shell-like solid formulation? A personal view.**Proc. European Conference on Computational Mechanics (ECCM), Munich, Germany, 31 August - 3 September. 1999. - Stefan Schwarz, Roman Kemmler, Ekkehard Ramm.
**Shape and topology optimization with nonlinear structural response.**Proc. European Conference on Computational Mechanics (ECCM), Munich, Germany, 31 August - 3 September. 1999. - Gian A. D'Addetta, Ellen Kuhl, Ekkehard Ramm, F. Kun.
**Micromechanical Modelling of 'Concrete' Cracking.**Proc. European Conference on Computational Mechanics (ECCM), Munich, Germany, 31 August - 3 September. 1999. - Ekkehard Ramm.
**Stellungnahme aus der Sicht eines Ingenieurwissenschaftlers.**In: Die Zukunft der Grundlagenforschung. (Hrsg. C.Zintzen), Akademie der Wissenschaften und der Literatur, Mainz. F. Steiner Verlag, Stuttgart. 1999. - Matthias Hörmann, Horst Menrath, Ekkehard Ramm.
**Finite Element Investigation of Concrete Slabs Post Strengthened by Fiber Reinforced Polymers..**Proceedings ASCE Structures Congress, New Orleans, USA. 1999. - Holger Steeb, Fehmi Cirak, Ekkehard Ramm.
**On Local Error Estimators for Non-self-adjoint Boundary Value Problems..**Proceedings GAMM99, Metz, France, April. ZAMM - Z. Angew. Math. Mech.. 1999. - Manfred Bischoff, Ekkehard Ramm.
**Three-dimensional Shell Formulation and Elements for large Deformations.**Proc. of IUTAM/IACM Symposium on Discretisation Methods in Structural Mechanics II, H. Mang, F. Rammerstorfer (eds), Vienna, 2-6 June 1997. 1998. - Fehmi Cirak, Ekkehard Ramm.
**Adaptive Methods for nonlinear FE Analysis of Thin-Walled Structures.**Proc. of IUTAM/IACM Symposium on Discretisation Methods in Structural Mechanics II, H. Mang, F. Rammersdorfer (eds), Vienna, 2-6 June 1997. 1998. - Ekkehard Ramm, Kai-Uwe Bletzinger, Kurt Maute.
**Structural Optimization.**Proc. of IASS-Colloquium on Current and Emerging Technologies of Shells and Spatial Structures', Madrid, Spain, 28-30 April. 1998. - Horst Menrath, André Haufe, Ekkehard Ramm.
**A Model for Composite Steel-Concrete Structures.**Proceedings of EURO-C 1998, R. de Borst, N. Bicanic, H. Mang, G. Meschke (eds), Badgastein, Austria, March 31 - April 3, 1998, Balkema, Rotterdam.. 1998. - Ellen Kuhl, Ekkehard Ramm, Rene De Borst.
**Anisotropic gradient damage with the microplane model.**Proceedings of EURO-C 1998, R. de Borst, N. Bicanic, H. Mang, G. Meschke (eds), Badgastein, Austria, March 31 - April 3, 1998, Balkema, Rotterdam.. 1998. - Ekkehard Ramm, Kurt Maute, Stefan Schwarz.
**Conceptual design by structural optimization.**Proceedings of EURO-C 1998, R. de Borst, N. Bicanic, H. Mang, G. Meschke (eds), Badgastein, Austria, March 31 - April 3, 1998, Balkema, Rotterdam. 1998. - Ellen Kuhl, Rene De Borst, Ekkehard Ramm.
**A gradient enhancement with application to anisotropic continuum damage.**Proceedings of fourth WCCM, E. Oñate, S.R. Idelsohn (eds.), Buenos Aires, Argentina, June 29 - July 2, 1998, CIMNE, Barcelona, Spain. 1998. - Fehmi Cirak, Astrid Schleupen, Ekkehard Ramm.
**Error Estimates for local and global variables using duality principles.**Proceedings of fourth WCCM, E. Oñate, S.R. Idelsohn (eds.), Buenos Aires, Argentina, June 29 - July 2, 1998, CIMNE, Barcelona, Spain. 1998. - Ekkehard Ramm, Kurt Maute, Stefan Schwarz.
**Adaptive topology and shape optimization.**Proceedings of fourth WCCM, E. Oñate, S.R. Idelsohn (eds.), Buenos Aires, Argentina, June 29 - July 2, 1998, CIMNE, Barcelona, Spain. 1998. - Wolfgang A. Wall, Ekkehard Ramm.
**Fluid-structure interaction based upon a stabilized (ALE) finite element method.**Proceedings of fourth WCCM, E. Oñate, S.R. Idelsohn (eds.), Buenos Aires, Argentina, June 29 - July 2, 1998, CIMNE, Barcelona, Spain. 1998. - Wolfgang A. Wall, Manfred Bischoff, Ekkehard Ramm.
**Stabilization techniques for fluid and structural finite elements.**Proceedings of fourth WCCM, E. Oñate, S.R. Idelsohn (eds.), Buenos Aires, Argentina, June 29 - July 2, 1998, CIMNE, Barcelona, Spain. 1998. - Kai-Uwe Bletzinger, Manfred Bischoff, Ekkehard Ramm.
**A unified approach for shear-locking-free triangular and rectangular shell elements.**Proceedings of fourth WCCM, E. Oñate, S.R. Idelsohn (eds.), Buenos Aires, Argentina, June 29 - July 2, 1998, CIMNE, Barcelona, Spain. 1998. - Detlef Kuhl, Ekkehard Ramm.
**Generalized energy-momentum method for non-linear dynamics of shells.**Proceedings of fourth WCCM, E. Oñate, S.R. Idelsohn (eds.), Buenos Aires, Argentina, June 29 - July 2, 1998, CIMNE, Barcelona, Spain. 1998. - D.P. Mok, W.A. Wall, M. Bischoff, E. Ramm.
**Load stiffness matrices for follower loads in nonlinear FE analysis.**Proc. GAMM 98 Annual Meeting, A. Fischer, D. Hinrichsen, H.J. Rath, M. Wanschura (eds.), GAMM Conf. 1998, 6-9. April, Bremen, Germany. ZAMM Z. Angew. Math. Mech. 79 (S2). 1998. - Fehmi Cirak, Ekkehard Ramm.
**A-posteriori Error Estimation and Adaptivity for the Finite Element Method using duality Principles.**Proc. GAMM 98 Annual Meeting, A. Fischer, D. Hinrichsen, H.J. Rath, M. Wanschura (eds.), GAMM Conf. 1998, 6-9.April, Bremen, Germany. ZAMM Z. Angew. Math. Mech. 79 (S1). 1998. - Ekkehard Ramm, Kurt Maute.
**Tragwerksoptimierung als Entwurfshilfe - Erste Ansätze..**Finite Elemente in der Baupraxis. P. Wriggers, U. Meißner, E. Stein, W. Wunderlich (eds.), Ernst & Sohn Berlin (1998), Proc. of FEM'98 at Darmstadt. 1998. - Matthias Hörmann, Horst Menrath, Ekkehard Ramm, F. Seible.
**Strengthening of Concrete Slabs by Externally Bonded Fiber Reinforced Polymers - Experimental and Finite Element Investigation.**Proceedings of NATO Advanced Study Institute on Mechanics of Composite Structures, C. A. Mota Soares, C. M. Mota Soares, M. J. M. Freitas (eds.), Troia, Portugal, July 12-24. 1998. - Stefan Schwarz, Kurt Maute, Ekkehard Ramm.
**Topology and Shape Optimization including Elastoplastic Material Behavior.**Proceedings of the 7th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, September, 2-4. 1998. - Ekkehard Ramm, Albrecht Burmeister.
**Punktgestützte Glasfassaden - Konstruktive Aspekte und ausgeführte Projekte..**VDI-Seminar, 25.11.1998, Stuttgart, Deutschland.. 1998. - Ekkehard Ramm, Kai-Uwe Bletzinger.
**Structural Optimization and Formfinding of Lightweight Structures..**Proceedings, Int. Conference on Lightweight Structures in Architecture, Engineering and Construction (LSA 98), Sydney, Australia. 1998. - Fumio Fujii, Hirohisa Noguchi, Ekkehard Ramm.
**Static Path Jumping and Stable Postbuckling Equilibria of an Axially Compressed Circular Cylindrical Shell..**Proceedings, Int. Conference on Engineering Science - ICES 98 (eds. S.N. Atluri and P.E. O'Donoghue), Techn. Science Press 1998, Vol I. 1998. - Ekkehard Ramm, Fehmi Cirak.
**Adaptivity for Nonlinear Thin-walled Structures.**Proceedings of Fifth International Conference on Computational Plasticity, D.R.J. Owen, E. Oñate, E.Hinton (eds), CIMNE(Complas 5), Barcelona, Spain, 17-20 March. 1997. - Horst Menrath, Kurt Maute, Ekkehard Ramm.
**Topology Optimization including Elastoplasticity.**Proceedings of Fifth International Conference on Computational Plasticity, D.R.J. Owen, E. Oñate, E.Hinton (eds), CIMNE (Complas 5), Barcelona, Spain, 17-20 March. 1997. - Kurt Maute, Ekkekhard Ramm.
**General Shape Optimization of Thin-walled Structures on prescribed Surfaces.**Proceedings of NAFEMS World Congress '97 on Design, Simulation & Optimisation, Reliability & Applicability of Computational Methods, NAFEMS (ed), printed by Bell&Bain Ltd Glasgow, Stuttgart, Germany, 9-11 April. 1997. - Manfred Bischoff, Ekkehard Ramm.
**Reliable Three-Dimensional Shell Elements for Arbitrarily Large Deformations.**Proceedings of NAFEMS World Congress '97 on Design, Simulation & Optimisation, Reliability & Applicability of Computational Methods, NAFEMS (ed), printed by Bell&Bain Ltd Glasgow, Stuttgart, Germany, 9-11 April. 1997. - Fehmi Cirak, Ekkehard Ramm.
**Adaptive Methods for the Nonlinear FE Analysis of Shell Structures.**Proceedings of NAFEMS World Congress '97 on Design, Simulation & Optimisation, Reliability & Applicability of Computational Methods, NAFEMS (ed), printed by Bell&Bain Ltd Glasgow, Stuttgart, Germany, 9-11 April. 1997. - Kai-Uwe Bletzinger, Kurt Maute, Ekkehard Ramm.
**Neue Entwicklungen und Anwendungen der Tragwerksoptimierung.**6. Massivbau Seminar: 24/25.1.1997 Neu-Ulm 14/15.3.1997 Lindau, Die Bauakademie Biberach. 1997. - Ekkehard Ramm.
**Personal Reflections on Eric Reissner.**In: The Reissner Symposium on Applied Mechanics & Mathematics, Uni. of Calif., San Diego, La Jolla, 5 Jan.. 1997. - Stefan Schwarz, Kurt Maute, Horst Menrath, Ekkehard Ramm.
**Adaptive Topology Optimization including Elastoplasticity.**Proceedings of the 2nd World Congress of Structural and Multidisciplinary Optimization, W. Gutkowski, Z. Mröz (eds), Zakopane, Poland, May 26-30. 1997. - Ekkehard Ramm, Albrecht Burmeister.
**Glass as Structure..**Proc. of Int. IASS-Symposium on 'Design, Construction, Performance & Economics', S.P. Chiew (ed), Singapore, 10-14 November. 1997. - Kurt Maute, Ekkehard Ramm, Stefan Schwarz.
**Adaptive Topologie- und Formoptimierung bei linearem und nichtlinearem Strukturverhalten..**Seminarunterlagen zum NAFEMS Seminar Topologieoptimierung, Aalen, 23 September. 1997. - A. Rössle, Manfred Bischoff, W. Wendland, Ekkehard Ramm.
**On the Mathematical Foundation of the (1,1,2)-Plate Model..**Bericht 97/47 des SFB 404 'Mehrfeldprobleme der Kontinuumsmechanik'. 1997. - Manfred Bischoff, Ekkehard Ramm.
**Three-dimensional shell formulation and elements for large deformations..**In: Aspects in Modern Computational Analysis, Festschrift für Prof. Krätzig, K. Meskouris, U. Wittek (eds), Balkema. 1997. - Ekkehard Ramm, Manfred Bischoff.
**Static and dynamic analyses of shells for large strains and rotations..**In: Y.B. Yang (ed.) Proceedings of the International Colloquium on Computation of Shells and Spatial Structures (ICCSS), Taipeh, Taiwan, and

K. Meskouris (ed.) Aspects in Modern Computational Structural Analysis, Festschrift für Professor Krätzig, Balkema. 1997. - Ekkehard Ramm.
**The Golden Gate Bridge - A historical Perspective.**In: Innovation in Civil and Construction Engineering (ed.: Leeming, M.B., Topping,B.H.V.), Cambridge, England, Aug. 19-21 1997, Civil-Comp Press Edinburgh. 1997. - Manfred Bischoff, Ekkehard Ramm.
**Three-dimensional shell formulation and elements for large deformations.**In: H.A. Mang, F.G. Rammerstorfer (eds.) Proceedings of the IUTAM Symposium in Dicretization Methods in Structural Mechanics II, Vienna, Austria. 1997. - Ekkehard Ramm, Kai-Uwe Bletzinger, Kurt Maute.
**Strukturoptimierung - Das Wechselspiel zwischen Form und Kraft..**Beitrag im Anschlussbuch Sonderforschungsbereich 230: Natürliche Konstruktionen. 1996. - Detlef Kuhl, Ekkehard Ramm.
**Conservation of Energy and Momentum for Implicit Single Step Time Integration Schemes..**EURODYN '96, 3rd European Conference on Structural Dynamics, Florence, June 5-8. 1996. - Kurt Maute, Ekkehard Ramm.
**Adaptivity in Structural Optimization..**In: Advances in Optimazation for Structural Engineering (ed.: Topping,B.H.V.), Budapest, Aug. 21-23 1996, Civil-Comp Press Edinburgh. 1996. - Kai-Uwe Bletzinger, Kurt Maute, Ekkehard Ramm.
**Structural Concepts by Optimization..**Proc. of IASS-Symposium on 'Conceptional Design of Structures', Stuttgart, Oct. 7-11. 1996. - Christof Hausser, Ekkehard Ramm.
**Efficient Shear Deformable 3-Node Plate/Shell Elements - An Almost Hopeless Untertaking..**In: Advances in Finite Element Technology (ed.: Topping,B.H.V.), Budapest, Aug. 21-23. 1996. - Ekkehard Ramm, Kurt Maute.
**Transition from Shape to Topology Optimization..**Proc. of 3rd ECCOMAS Fluid Dynamics Conference and 2nd ECCOMAS Conference on Numerical Methods in Engineering, (ed.: Desideri,J.-A. et al.), Paris, France Sept. 9-13, Wiley&Sons Chichester. 1996. - Ekkehard Ramm, Norbert Rehle.
**Qualitätssicherung durch angepaßte FE-Netze - Möglichkeiten und Grenzen.**Tagung Baustatik-Baupraxis (BB6), Weimar, Deutschland, März. 1996. - Ekkehard Ramm, Kurt Maute.
**Adaptive Topology Optimization of Shell Structures..**AIAA, Proc. Sixth Intern. AIAA/NASA/USAF/ISSMO Symposium on Multidisplinary Analysis and Optimatzation, Bellevue Washington, USA, September 4-6 1996. Aug. 21-23. 1996. - K. K. Choong, Ekkehard Ramm.
**Simulation of the Dynamic Buckling Process of Cylindrical Shells by the Finite Element Method..**ICASS '96: International conference on Adavances in Steel Structures, Hong Kong, 11-14 December. 1996. - Ekkehard Ramm.
**'Force Follows Form' oder 'Form Follows Force'.**In: Teichmann, K., Wilke, J. (ed): Prozeß und Form 'Natürlicher Konstruktionen' Der Sonderforschungsbereich 230 (Universität Stuttgart) , Ernst & Sohn Berlin. 1996. - Deane Roehl, Ekkehard Ramm.
**Analysis of Large Elastoplastic deformations with EAS Hybrid Finite Elements..**XVI-th CILAMCE, Iberian Latin American Conf. on Comp. Meth. for Engineering, 29. Nov.-01.Dec.. 1995. - Kai-Uwe Bletzinger, Stefan Kimmich, Reiner Reitinger, Ekkehard Ramm.
**Form und Funktion - Die Ermittlung idealer Schalentragwerke mit den Methoden der Strukturoptimierung..**In: Kull, U., Ramm, E., Reiner, R. (ed) Evolution und Optimierung - Strategien in Natur und Technik. Stuttgart: Wissenschaftliche Verlagsgesellschaft Stuttgart. 1995. - Norbert Rehle, Ekkehard Ramm.
**Adaptive Vernetzung bei mehreren Lastfällen..**Tagungsband der FEM' 95, Ernst & Sohn, Berlin: Februar. 1995. - Kai-Uwe Bletzinger, Kurt Maute, Reiner Reitinger, Ekkehard Ramm.
**Layout of Linear and Nonlinear Structures by Shape and Topology Optimization..**Proceedings of the IUTAM Symposium on Optimization of Mechanical Systems (eds: D.Bestle, W.Schiehen) , Kluwer Academic Publ. 1996, Universität Stuttgart, 26-31 März. 1995. - Kurt Maute, Ekkehard Ramm.
**Structural Topology Optimization..**Proceedings of the 5th Internation Conference on Reliablility of Finite Element Methods for Engineering Applications, Glasgow: NAFEMS '95. 1995. - Ekkehard Ramm, Markus Braun, Manfred Bischoff.
**Higher Order Nonlinear Shell Formulations-Theory and Application..**In: Spatial Structures: Heritage, Present and Future, Proceedings of the IASS International Symposium, June 5-9 1995, Milano, Italia. 1995. - Norbert Rehle, Ekkehard Ramm.
**Is Adaptivity Applicable for serveral Loadcases..**Proceedings of the 6th Int. conference on Computing in Civil and Building Engineering, Berlin, July 12-15. 1995. - Ekkehard Ramm, Kurt Maute, Reiner Reitinger.
**Shape and Topology Optimization of Structures..**Proceedings of the International Conference on Computational Engineering Science, 30 Juli - 3 August 1995, Hawai, USA. 1995. - Kurt Maute, Ekkehard Ramm.
**General Shape Optimization - an integrated Model for Topology and Shape Optimization..**Proceedings of the 1st World Congress of Structural and Mulitdisciplinary Optimization, Goslar, Germany, May 28 - June 2. 1995. - Reiner Reitinger, Ekkehard Ramm.
**Optimization of Geometrically Nonlinear Structures by Accurately Locating Singular Points..**Proceedings of the 1st World Congress of Structural and Mulitdisciplinary Optimization, Goslar, Germany, May 28 - June 2. 1995. - Martin Trautz, Ekkehard Ramm.
**Structural Studies on Antonelli's San Gaudenzio..**Proceedings of Int. Symposium on Spatial Structures: Heritage, Present, and Future (IASS '95), (ed. G.C. Giuliani), Milano, Italy, June. 1995. - Ekkehard Ramm, Erwin Stein.
**Finite Elemente in der Baupraxis.**In: Finite Elemente in der Baupraxis, Ernst & Sohn Berlin. 1995. - Fumio Fujii, Ekkehard Ramm.
**Computational Bifurcation Theory-Path-Tracing, Pinpointing and Path-Switching..**Proceedings of Int. Conference on Stability of Strutures (ICSS-95), Coimbatore, India, June. 1995. - Ekkehard Ramm.
**'Force Follows Form oder Form Follow Force'. Die Wechselwirkung von Form und Kraft bei Flächentragwerken..**In: Prozess und Form natürlicher Konstruktionen - Der Sonderforschungsbereich 230 (Universität Stuttgart) (Hrsg. K. Teichmann, J. Wilke), Ernst & Sohn, 68. 1995. - Ekkehard Ramm, Kai-Uwe Bletzinger.
**St. Geneviève in Paris (1790)- Eine Studie zum Tragverhalten..**In: Festschrift Prof. Dr.-Ing. Günter Zumpe, TU Dresden.. 1994. - Ekkehard Ramm, Kurt Maute.
**Topology Optimization - A General Tool in Structural Design..**In: Mang, H., Bicanic, N., de Borst, R. (ed) Computational Modelling of Concrete Structures, Proceedings of the Euro-C 1994, Innsbruck, Austria, March 1994. Swansea: Pineridge Press. 1994. - Ekkehard Ramm, Kurt Maute.
**Topology Optimization of Plate and Shell Structures..**Proceedings of the IASS-ASCE International Symposium on Spatial, Lattice and Tension Structures, Atlanta, USA, April 1994 (eds. J.F. Abel, J.W. Leonhard, C.U. Penalba), ASCE. 1994. - Markus Braun, Manfred Bischoff, Ekkehard Ramm.
**Nonlinear three-dimensional Analysis of Composite and Laminated Plate and Shell Structures..**In: Hughes, T.J.R., Oñate, E., Zienkiewicz, O.C. (ed) Recent Developments in Finite Element Analysis, CIMNE, Barcelona, Spain. 1994. - Ekkehard Ramm, Kai-Uwe Bletzinger, Kurt Maute, Reiner Reitinger.
**The challenge of structural optimization..**In: Topping, B.H.V, Papadrakakis, M. (ed) Advances in Structural Optimization, Int. Conference on Computational Structures Technology, Athen, August. Civil Comp Press. 1994. - Kurt Maute, Ekkehard Ramm.
**Adaptive Techniques in Topology Optimization..**Proceedings of the 5th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Panama City, Florida, September 7-9. 1994. - Rudolfo Suanno, Ekkehard Ramm.
**Analysis of Three-Dimensional Reinforced Concrete Structures with Coupling of Plasticity and Damage Theories..**In : Bazant, Z.P., Bittnar, M., Jirásek, Mazars, J. (ed) Fracture and Damage in Quasibrittle Structures, Proceedings of the US-Europe Workshop on Fracture and Damage in Quasibrittle Structures, Prague, Czech Republic, 21-23 September. Great Britain : E & F Spon.. 1994. - Reiner Reitinger, Ekkehard Ramm.
**Maximizing Structural Efficiency Including Buckling and Imperfection Sensitivity.**Proceedings of the 5th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Panama City, Florida, September 7-9. 1994. - Kurt Maute, Ekkehard Ramm.
**The Genesis of Continuum Structures..**In: Evolution of Natural Structures. Proceedings of the 3. Int. Symposium of SFB 230, Mitteilungen des Sonderforschungsbereiches 230, Heft 9, Stuttgart. 1994. - Markus Braun, Manfred Bischoff, Ekkehard Ramm.
**Higher Order Nonlinear Shell Formulations- A Step Back into Three Dimensions..**In: Bell, K. (ed) From Finite Elements to the Troll Platform, Department of Structural Engineering, The Norwegian Institute of Technology,Trondheim, Norway. 1994. - Ekkehard Ramm, N. Fleischmann, Albrecht Burmeister.
**Modellierung mit Faltwerkselementen..**Tagung, 'Baustatik-Baupraxis 5', München, März. 1993. - Thomas J. Hofmann, Ekkehard Ramm.
**Erfassung der mittragenden Breite durch eine verfeinerte Balkentheorie..**In : Schweizerhof, K., Heil, W. (ed) Festschrift U. Vogel. Universität Karlsruhe.. 1993. - Reiner Reitinger, Ekkehard Ramm.
**Optimization of Geometrically Nonlinear Buckling Sensitive Structures.**In : 'Optimization of Structural Systems and Applications', Proceedings of the 3rd International Conference on Computer Aided Optimum Design of Structures' (OPTI '93). (eds. S. Hernández, C.A. Brebbia), Zaragoza, Spain, July 1993, Elsevier. 1993. - Reiner Reitinger, Ekkehard Ramm.
**Explicit Approximation of Equality Constraints..**In : Hernández, S., Brebbia, C.A. (ed) Optimization of Structural Systems and Applications, pp. 555-567, Proceedings of OPTI '93, July 7.-9., Zaragoza, Spain. London, New York : Elsevier Applied Science. . 1993. - Ekkehard Ramm, Kai-Uwe Bletzinger, Reiner Reitinger.
**Shape optimization of shell structures..**In : a) Seiken - IASS Symposium on 'Nonlinear Analysis and Design of Shell and Spatial Structures', Tokyo, Japan, Oktober 1993, IASS - Bulletin 34, pp 103-121,

b) Revue européene des éléments finis 2, pp 377-398,

c) Festschrift Peter Klement, Institut für Baustatik, TU Graz, Beitrag 10.. 1993. - E. Schnuck, Ekkehard Ramm (Hrsg.).
**Robert Maillart 1872-1940 - Texte zur Ausstellung..**In: 'Beiträge zur Geschichte des Bauingenieurwesens', Heft 2, Universität Stuttgart, Fachgebiet Planung und Konstruktion im Hochbau, Institut für Baustatik.. 1992. - Ekkehard Ramm.
**Shape Finding Methods of Shells..**a) Proceedings, IASS Symposium on 'Spatial Structures at the Turn of the Millennium' (eds. T. Wester, S.J. Medwadowski, I.B. Morgensen), Kopenhagen, Denmark, September 1991, Kunstakademiets Forlag Arkitektskoten, 1991, 59-68,

b) IASS-Bulletin 33 (1992) 2, 89-99,

c) CISM, Lecture No. 328, Springer, 1992.. 1992. - Kai-Uwe Bletzinger, Ekkehard Ramm.
**Basics of Shape Optimal Design..**In: 'Nonlinear Analysis of Shells by Finite Elements' (ed. F.G. Rammerstorfer), Int. Centre of Mechanical Sciences (CISM), Udine, Italy, June 1991, Lectures No. 328, Springer.. 1992. - Ekkhard Ramm, Norbert Büchter.
**Comparison of Shell Theory and Degeneration..**In: 'Nonlinear Analysis of Shells by Finite Elements' (ed. F.G. Rammerstorfer), Int. Centre of Mechanical Sciences (CISM), Udine, Italy, June 1991, Lectures No. 328, Springer.. 1992. - Ekkehard Ramm, Norbert Büchter.
**Large Rotations in Structural Mechanics - Overview..**In: 'Nonlinear Analysis of Shells by Finite Elements' (ed. F.G. Rammerstorfer), Int. Centre of Mechanical Sciences (CISM), Udine, Italy, June 1991, Lectures No. 328, Springer.. 1992. - Ulrich Andelfinger, Ekkehard Ramm.
**An Assessment of Hybrid-Mixed Four-Node Shell Elements..**In: 'Nonlinear Analysis of Shells by Finite Elements' (ed. F.G. Rammerstorfer), Int. Centre of Mechanical Sciences (CISM), Udine, Italy, June 1991, Lectures No. 328, Springer.. 1992. - Ulrich Andelfinger, Ekkehard Ramm, Deane Roehl.
**2D- and 3D-Enhanced Assumed Strain Elements and Their Application in Plasticity..**Proceedings, Third Int. Conference of 'Computational Plasticity' (COMPLAS III) (eds. D.J.R. Owen, E. Oñate, E. Hinton), Barcelona, Spain, April, Pineridge Press, Swansea, UK.. 1992. - Ekkehard Ramm.
**Shells - on Structural Efficiency and Elegance..**Proceedings, Int. Symposium on 'Natural Structures' Stuttgart, Germany, 1991, Part 3, Mitteilungen des Sonderforschungsbereichs 230, Heft 8.. 1992. - Kai-Uwe Bletzinger, Stefan Kimmich, Ekkehard Ramm.
**Strukturoptimierung - akademische Spielerei oder nützliche Entwurfshilfe?.**Tagungsband, 'Finite Elemente in derBaupraxis' (Hrsg. J. Eibl u.a.), Karlsruhe, Deutschland, September 1991, W. Ernst & Sohn.. 1992. - Kai-Uwe Bletzinger, Ekkehard Ramm.
**Structural Optimization as Tool forShape Design..**Proceedings, First European Conference on 'Numerical Methods in Engineering' (eds. Ch. Hirsch et al.), Brussel, Belgium, September, Elsevier.. 1992. - Norbert Büchter, Ekkehard Ramm.
**3D-Extension of Nonlinear Shell Equations Based on the Enhanced Assumed Strain Concept..**Proceedings, First European Conference on 'Numerical Methods in Engineering' (eds. Ch. Hirsch et al.), Brussels, Belgium, September, Elsevier.. 1992. - Ekkehard Ramm, Reiner Reitinger.
**Force Follows Form in Shell Design..**Proceedings, IASS-CSCE Int. Congress on 'Innovative Large Span Structures', Toronto, Canada, July (eds.N.K. Srivastava et al.), CSCE- Publication.. 1992. - Kai-Uwe Bletzinger, Stefan Kimmich, Ekkehard Ramm.
**Praktische Strukturoptimierung mit finiten Elementen..**In: 'Finite Elemente in der Praxis - Computergestütztes Berechnen und Konstruieren', 11. Reutlinger Arbeitstagung, Reutlingen, Deutschland, T-Programm.. 1991. - Ekkehard Ramm, Albrecht Burmeister.
**Stability of Shell-Structures under Time Dependent Loading..**Proceedings, European Conference on 'Structural Dynamics' (eurodyn '90) (eds. W.B. Krätzig et al.), Bochum, Germany, June 1990, Balkema.. 1991. - Kai-Uwe Bletzinger, Stefan Kimmich, Ekkehard Ramm.
**Strategies in Shape Optimization of Free Form Shells..**In: 'Nonlinear Computational Mechanics - A State-of-the -Art'(eds.P.Wriggers,W.Wagner), Springer.. 1991. - Norbert Büchter, Ekkehard Ramm.
**Buckling of Cylindrical and Conical Shells under Concentrated Loading..**Proceedings, Int. Colloquium on 'Buckling of Shell Structures on Land, in the Sea and in the Air', Lyon, France, September, Elsevier.. 1991. - Ekkehard Ramm.
**Die Golden Gate Brücke - eine historische Betrachtung.**In: 'Beiträge zur Geschichte des Bauingenieurwesens', Heft 3 (Hrsg. E. Schunck), Universität Stuttgart.. 1991. - Norbert Büchter, Ekkehard Ramm.
**A Comparison of Nonlinear Finite Element Formulations of Shells..**Extended Abstract, 2nd World Congress on 'ComputationalMechanics (WCCMII), Stuttgart, Germany, August.. 1990. - Norbert Büchter, Ekkehard Ramm.
**Stabilitäts- und Traglastberechnungen von Zylinder- und Kegelschalen bei konzentrierten Beanspruchungen..**In: Schriftenreihe Wissenschaft und Technik der TH Darmstadt, Band 51. 1990. - Ekkehard Ramm, Jochen Müller, K. Wassermann.
**Problemfälle bei FE-Modellierungen..**4. Fachtagung 'Baustatik-Baupraxis 4', Hannover, Deutschland, März.. 1990. - Kai-Uwe Bletzinger, Stefan Kimmich, Ekkehard Ramm.
**Trimming of Structures by Shape Optimization..**Proceedings, 2nd Int. Conference 'Computer Aided Analysis and Design of Concrete Structures' (eds. N. Bicanic, H. Mang), Pineridge Press, Swansea, UK.. 1990. - Kai-Uwe Bletzinger, Stefan Kimmich, Ekkehard Ramm.
**Shape Optimization of Shells with Program CARAT..**Proceedings, COMETT Seminar 'Computer Aided Optimal Design' (eds. K. Schittkowski et al.), Thurnau, Germany, June. 1990. - Ekkehard Ramm.
**Der Behälterbau..**In: 'V.G. Suchov 1853-1939 - Kunst der sparsamenKonstruktion' (Hrsg. R. Graefe,M.Gappoev, O. Pertschi), Deutsche Verlagsanstalt.. 1990. - Kai-Uwe Bletzinger, Stefan Kimmich, Ekkehard Ramm.
**Interactive Shape Optimization of Shells..**Proceedings, Int. Conference on 'Numerical Methods in Engineering: Theory and Applications' (NUMETA 90) (eds. G.N. Pande, J. Middleton), Swansea, UK, Elsevier. 1990. - Ulrich Andelfinger, Ekkehard Ramm.
**Assumed Strain Elements withOptimal Interpolation..**Proceedings, IUTAM/IACM Symposium on 'Discretization Methods in Structural Mechanics' (eds. G. Kuhn, H. Mang), Wien, Austria 1989, Springer 1990. 1990. - Albrecht Burmeister, Ekkehard Ramm.
**Dynamic Stability Analysis of Shell Structures..**a) Proceedings, Int. Conference on 'Computational Engineering Science' (ICES 88) (eds. S.N. Atluri, G. Yagawa), Atlanta, USA, 1988, Computational Mechanics '88, Springer, 1988, 24 ii.1- 5,

b) in: 'ComputationalMechanics ofNonlinearResponse of Shells' (eds. W.B. Krätzig, E. Oñate), Springer, 1990.. 1990. - Frank Breinlinger, Ekkehard Ramm.
**An Elasto-Plastic Double Hardening Model for Soils within the Frame of a Finite Strain Formulation Using the Finite Element Method..**Proceedings, 2nd Int. Conference on 'Computational Plasticity-Models, Software and Applications' (COMPLAS II) (eds. D.J.R. Owen, E. Hinton, E.Onate), Barcelona, Spain, Pineridge Press, Swansea, UK.. 1989. - Ekkehard Ramm, Norbert Büchter, Hans Stegmüller.
**Fortschritte bei nichtlinearen Schalenberechnungen..**DFG-Abschlußberichtsband 'Nichtlineare Berechnungen im Konstruktiven Ingenieurbau' (Hrsg. E. Stein), Springer. 1989. - Ulrich Andelfinger, Anton Matzenmiller, Ekkehard Ramm.
**Hybrid-Mixed Four-Node Shell Elements, Different Two-Field Assumptions and a Stability Test..**In: 'Analytical and Computational Models of Shells', ASME CED - Vol. 3 (eds. A.K. Noor, T.B. Belytschko, J.C. Simo). 1989. - Ekkehard Ramm, Nielen Stander, Hans Stegmüller.
**GegenwärtigerStand derMethode der finitenElemente..**Tagung 'Finite Elemente-Anwendungen in der Baupraxis' (Hrsg. W. Wunderlich, E. Stein), Ruhr-Universität Bochum, Germany, W. Ernst & Sohn.. 1988. - Ekkehard Ramm, Albrecht Burmeister, Hans Stegmüller.
**Stabilität und Traglast von kegelförmigen Stahlbetonschalen - ein Beispiel für die Anwendung nichtlinearer FE-Modelle..**Tagung 'Finite Elemente-Anwendungen in der Baupraxis' (Hrsg. W. Wunderlich, E. Stein), Ruhr-Universität Bochum, Germany, W. Ernst & Sohn. 1988. - Stefan Kimmich, Ekkehard Ramm.
**Structural Optimization and Analysis with Program System CARAT..**In: 'Discretization Methods and Structural Optimizations - Procedures and Applications' (eds. H. Eschenauer, G. Thierauf), GAMM-Seminar, Universität Siegen, Germany, 1988, Lecture Notes in Engineering, Vol. 42, Springer. 1988. - Kai-Uwe Bletzinger, Ekkehard Ramm.
**Finite Elements and Structural Optimization - Some Aspects of Problem Formulation..**In: 'Discretization Methods and Structural Optimizations - Procedures and Applications' (eds. H. Eschenauer, G. Thierauf), GAMM - Seminar, Universität Siegen, Germany, Lecture Notes in Engineering, Vol. 42, Springer. 1988. - Ekkehard Ramm, Kai-Uwe Bletzinger, Stefan Kimmich.
**Strukturoptimierung..**1. Int. Symposium des Sonderforschungsbereichs 230, Stuttgart, Deutschland, Mitteilungen 2.. 1988. - Ekkehard Ramm, Gundram Kammler.
**Interaktion zwischen globalem und lokalem Versagen dünnwandiger Stäbe..**In: 'Festschrift Heinz Duddeck' (Hrsg. J. Scheer, H. Ahrens, H. -J. Bargstädt), TU Braunschweig.. 1988. - Ekkehard Ramm, Albrecht Burmeister.
**Stability Analysis of Dynamically Loaded Structures..**Int. Conference on 'Advances in Numerical Methods in Engineering: Theory and Applications' (NUMETA 87) (eds. G.N. Pande, J. Middleton), Swansea, U.K., Elsevier.. 1987. - Ekkehard Ramm.
**Ultimate Load and Stability Analysis of Reinforced Concrete Shells..**Proceedings, IABSE Colloquium 'Computational Mechanics of Reinforced Concrete', Delft, Netherlands.. 1987. - K. Weimar, Ekkehard Ramm.
**Ultimate Loads of Unstiffened Plate Girders Subjected to Concentrated Loads..**Proceedings, ECCS Colloquium on 'Stability of Plate and Shell Structures', Ghent University, Belgium.. 1987. - Ekkehard Ramm, Ulrich Andelfinger, H. Höcklin, Stefan Kimmich.
**Baustatik und Computer - Entwicklungen und Tendenzen..**3. Fachtagung 'Baustatik - Baupraxis 3', Stuttgart, Deutschland.. 1987. - Ekkehard Ramm, Anton Matzenmiller.
**Computational Aspects of Elasto-Plasticity in Shell Analysis..**Int. Conference on 'Computational Plasticity' (COMPLAS) (ed. E. Onate), Barcelona, Spain, Pineridge Press, Swansea, UK. 1987. - Karl Schweizerhof, Ekkehard Ramm.
**Combining Quasi-Newton and Arc-Length Methods for the Analysis of Nonlinear Problems into the Postlimit Range..**Extended Abstract for 1st World Congress on 'ComputationalMechanics' (WCCM), University of Texas at Austin, USA, September. 1986. - Ekkehard Ramm, Anton Matzenmiller.
**Der Einfluß ungleichmäßiger Temperaturbelastung auf das Beulen von Zylinderschalen..**Beitrag zum GAMM-Seminar 'Diskretisierende Methoden bei thermomechanischen Deformationen', Leoben, Österreich, September. 1986. - Karl Schweizerhof, Ekkehard Ramm, A. Ramm.
**Plate Elements fos Microcomputers..**Proceedings, 2nd Int. Conference on 'Microcomputers in Engineering' (eds. B.A. Schrefler, R.W. Lewis), Pineridge Press, Swansea, UK. 1986. - Ekkehard Ramm, Anton Matzenmiller.
**Large Deformation Shell Analysis Based on the Degeneration Concept..**State-of-the-Art-Texts on 'Finite Element Methods for Plate and Shell Structures' (eds. T.J.R. Hughes, E. Hinton), Pineridge Press, Swansea, UK. 1986. - Karl Schweizerhof, Ekkehard Ramm.
**A Family of Procedures for Tracing Postbuckling Paths of Elastic and Inelastic Nonlinear Structures..**Abstract, 'Euromech 200' (ed. J. Szabo), Matrafüred, Hungary.. 1985. - Stefan Kimmich, Hans Stegmüller, Ekkehard Ramm, G. Müller.
**Mikrocomputer in der Baustatik..**Tagung 'Finite Elemente-Anwendungen in der Baupraxis' (Hrsg. H. Grundmann, E. Stein, W. Wunderlich), Ernst & Sohn.. 1985. - Albrecht Burmeister, Ekkehard Ramm, Friedrich-Wilhelm Bornscheuer.
**Ultimate and Buckling Loads of Pad and Nozzle Reinforced Reactor Containments..**8th Int. Conference on 'Structural Mechanics in Reactor Technology' (SMiRT 8), Brüssel, Belgium, J 4/8.. 1985. - Karl Schweizerhof, Ekkehard Ramm.
**Stability ofCylindricalShells underWind Loading with Particular Reference to Follower Load Effects..**Proceedings of the US-Australian Workshop 'Loading, Analysis and Stability of Thin Shell Bins, Tanks and Silos', Sydney, Australia, March. 1985. - S. Rajasekaran, Ekkehard Ramm.
**Local and Member Stability of Thin -Walled Straight and Curved Beams of Open Section..**Proceedings of the Second Int. Conference on 'Computer Aided Analysis and Design in Civil Engineering', Roorkee, India, Saharanpur Press. 1985. - Ekkehard Ramm, Karl Schweizerhof, Hans Stegmüller.
**Ultimate Load Analysis of Thin Shells under Pressure Loads..**Europe-US Symposium 'Finite Element Methods for Nonlinear Problems' (eds. P. Bergan, K.J. Bathe, W. Wunderlich), Trondheim, Norway.. 1985. - Ekkehard Ramm, Jochen Müller.
**Flachdecken und finite Elemente - Einfluß des Rechenmodells im Stützenbereich..**Tagung 'Finite Elemente-Anwendungen in der Baupraxis' (Hrsg.H.Grundmann, E. Stein,W. Wunderlich), München,Deutschland, März 1984, Ernst & Sohn. 1985. - K. Schweizerhof, J. Müller, E. Ramm.
**Konvergenztest von Isoparametrischen Degenerierten Platten/Schalenelementen.**Mitteilung Nr. 5, Institut für Baustatik, Universität Stuttgart. 1985. - Ekkehard Ramm, Thomas A. Kompfner.
**Reinforced Concrete Shell Analysis Using an Inelastic Large Deformation Finite Element Formulation.**Int. Conference 'Computer -Aided Analysis and Design of Concrete Structures', Split, Jugoslawia, Pineridge Press, Swansea, UK,. 1984. - Ekkehard Ramm, Albrecht Burmeister, Karl Schweizerhof.
**Zum Nachweis der Erdbebensicherheit nach DIN 4149 (neu): Grundlagen und Anwendungen.**2. Fachtagung 'Baustatik-Baupraxis', Bochum, Deutschland, März. 1984. - E. Ramm, P. Osterrieder, A. Diack, H. Stegmüller, F. W. Bornscheuer.
**Stability of Steel Structures - Stabilität von Stahltragwerken.**Mitteilung Nr. 4, Institut für Baustatik, Universität Stuttgart. 1984. - K. Schweizerhof, E. Ramm, T. A. Kompfner.
**Nonlinear Analysis of Shell-Like Structures - Nichtlineare Berechnung von Schalentragwerken.**Mitteilung Nr. 3, Institut für Baustatik, Universität Stuttgart. 1984. - E. Ramm, J. Müller, H. Stegmüller, S. Kimmich, G. Müller, A. Burmeister, K. Schweizerhof.
**Modellierungsfragen - Mikrocomputer - Erdbebenberechnungen.**Mitteilung Nr. 2, Institut für Baustatik, Universität Stuttgart. 1984. - Albrecht Burmeister, Ekkehard Ramm, Friedrich-Wilhelm Bornscheuer.
**Influence of Thickness Variations and Nozzle Reinforcements on the Ultimate Load of Reactor Containments..**7th Int. Conference on 'Structural Mechanics in Reactor Technology' (SMiRT 7), Chicago, USA, J 6/7.. 1983. - Aliou Diack, Ekkehard Ramm.
**A Parametric Study on the Stability of Stringer Stiffened Cylindrical Shells under Axial Load..**Third Int. Colloqium on 'Stability of Metal Structures', Paris, France, November 1983, Preliminary Report.. 1983. - Ekkehard Ramm, Peter Osterrieder.
**Ultimate Load Analysis of Three-Dimensional Beam Structures with Thin-Walled Cross Sections Using Finite Elements..**Third Int. Colloqium on 'Stability of Metal Structures', Paris, France, November, Preliminary Report.. 1983. - Hans Stegmüller, Friedrich-Wilhelm Bornscheuer, Ekkehard Ramm.
**Stability and Ultimate Load Analysis of Liquid Filled Conical Shells..**Third Int. Colloqium on 'Stability of Metal Structures', Paris, November, Preliminary Report.. 1983. - Ekkehard Ramm.
**Nonlinear Finite Element Analysis of Shells under Pressure Loads Using Degenerated Elements..**Euromech Colloquium No. 165 'Flexible Shells - Theory and Applications' (eds. E.L. Axelrad, F.A. Emmerling), München, Germany, Springer. 1983. - H. Stegmüller, L. Häfner, E. Ramm, J. M. Sättele.
**Theoretische Grundlagen zum FE-Programmsystem NISA 80.**Mitteilung Nr. 1, Institut für Baustatik und Baudynamik, Universität Stuttgart. 1983. - Ekkehard Ramm, Hans Stegmüller.
**The Displacement Finite Element Method in Nonlinear Buckling Analysis of Shells..**Proceedings of a State-of-the -Art Colloquium on 'Buckling of Shells' (ed. E. Ramm), Stuttgart, Germany, Springer. 1982. - Ekkehard Ramm (Hrsg.).
**Buckling of Shells..**Proceedings of the State-of-the -Art Colloquium, Stuttgart, Germany, May, Springer. 1982. - Ekkehard Ramm.
**The Riks/Wempner Approach - an Extension of the Displacement ControlMethod in Nonlinear Analysis..**In: 'Recent Advances in Nonlinear Computational Mechanics' (eds. E. Hinton, C. Taylor, D.R.J. Owen), Pineridge Press, Swansea, UK. 1982. - Ekkehard Ramm, Jürgen M. Sättele.
**Elasto-Plastic Large Deformation Shell Analysis Using Degenerated Elements..**ASME - WAM Meeting on 'Nonlinear Finite Element Analysis of Shells', Washington, USA, November, AMD - Vol. 48. 1981. - Hans Stegmüller, Ekkehard Ramm, Friedrich-Wilhelm Bornscheuer.
**Ultimate Load Analysis of Nozzle Reinforced Reactor Containments - a Parametric Study..**6th Int. Conference on 'Structural Mechanics in Reactor Technology' (SMiRT 6), Paris, France, August, J 5/9.. 1981. - Ekkehard Ramm.
**Geometrisch nichtlineare FE-Analyse..**In: 'Berechnung von geometrisch und physikalisch nichtlinearen Problemenmit Hilfe der finiten Element Methode', Bericht der Control Data GmbH.. 1981. - Ekkehard Ramm.
**Strategies for Tracing the Nonlinear Response Near Limit Points.**2nd US-Europe Workshop 'Nonlinear Finite Element Analysis in Structural Mechanics' (eds. W. Wunderlich, E. Stein, K.-J. Bathe), Bochum, Germany, 1980, Springer.. 1981. DOI: 10.1007/978-3-642-81589-8_5 - Bernhard Brendel, Ekkehard Ramm, Friedrich-Wilhelm Bornscheuer.
**Stabilitätsuntersuchungen weitgespannter Flächentragwerke..**Mitteilungen 57 - Sonderforschungsbereich 64, Universität Stuttgart.. 1980. - Ekkehard Ramm, Jochen Müller.
**Grundzüge der Methode der finiten Elemente..**In: 'Finite Element Methode', Bericht der Control Data GmbH, Teil II. 1980. - E. Ramm, J.M. Sättle, F.W. Bornscheuer.
**Elasto-Plastic Analysis of Nozzle Intersections in Reactor Containments..**5th Int. Conference on 'Structural Mechanics in Reactor Technology' (SMiRT 5), Berlin, Germany, August, J 6/9.. 1979. - Friedrich-Wilhelm Bornscheuer, Bernhard Brendel, Lothar Häfner, Ekkehard Ramm, Jürgen M. Sättele.
**Fallstudien zu Schalentragwerken (in englischer Sprache)..**Bericht Nr. 79-3, Institut für Baustatik, Universität Stuttgart. 1979. - Ekkehard Ramm, Franz G. Rammerstorfer, Bernhard Brendel, R. E. Fastner.
**Stabilität windbelasteter dünner Kreiszylinderschalen..**Tagungsband, Schalenbeultagung (Hrsg. M. Esslinger), Darmstadt, Deutschland. 1979. - Bernhard Brendel, Lothar Häfner, Ekkehard Ramm, Jürgen M. Sättele.
**Analysis and Response of Thin Glasfiber Reinforced Concrete Shell..**2. Int. Symposium 'Weitgespannte Flächentragwerke', Sonderforschungsbereich 64, Stuttgart, Deutschland, Mai.. 1979. - Bernhard Brendel, Ekkehard Ramm.
**Linear and Nonlinear Stability Analysis of Cylindrical Shells..**Int. Conference on 'Engineering Application of the Finite Element Method', Hovik, Norway, May. A.S. Computas, 18.1-18.30.. 1979. - Ekkehard Ramm.
**A Plate/Shell Element for Large Deflections and Rotations..**US-Germany Symposium on 'Formulations and Algorithms in Finite Element Analysis' (eds. K. -J. Bathe, J.T. Oden, W. Wunderlich), MIT, Cambridge, USA, August 1976. MIT-Press,. 1977. - Ekkehard Ramm.
**Design of Nozzles in Reactor Containments..**4th Int. Conference on 'Structural Mechanics in Reactor Technology' (SMiRT 4), San Francisco, USA, August, J 5.. 1977. - Bernhard Brendel, Ekkehard Ramm.
**Stabilitätsuntersuchungen weitgespannter Tragwerke mit der Methode der finiten Elemente..**Int. Symposium 'Weitgespannte Flächentragwerke' Sonderforschungsbereich 64, Stuttgart, Deutschland, April. 1976. - Ekkehard Ramm.
**Zum gegenwärtigen Stand der Stabilität von Kugelschalen unter Einbeziehung von Versuchsergebnissen..**Seminarbericht der Institute für Baumechanik und Statik, TU Hannover, Januar. 1976.

- M. Bischoff, E. Ramm, J. Irslinger.
**Models and Finite Elements for Thin-Walled Structures.**In: Encyclopedia of Computational Mechanics. Second Edition, E. Stein, R. de Borst, T.J.R. Hughes (eds.). Chichester, UK: John Wiley & Sons, Ltd. 2018. DOI: 10.1002/9781119176817.ecm2026 - Christoph Wilking, Manfred Bischoff and Ekkehard Ramm.
**Improved Contact Stress Recovery for Mortar-Based Contact Formulations.**In: Oñate E., Peric D., de Souza Neto E., Chiumenti M. (eds) Advances in Computational Plasticity. Computational Methods in Applied Sciences, vol 46. Springer. 2017. DOI: 10.1007/978-3-319-60885-3_19 - E. Ramm, A. Erhart, T. Hettich, I. Bruss, F. Hilchenbach, J. Kato.
**Damage Propagation in Composites - Multiscale Modeling and Optimization.**In: Lecture Notes in Applied and Computational Mechanics (LNACM) 55, Berlin: Springer. 2011. DOI: 10.1007/978-90-481-9809-2_15 - Ekkehard Ramm, Manfred Bischoff, Benjamin Schneider.
**On some features of a polygonal discrete element model.**In: D. Müller-Hoeppe, S. Löhnert, S. Reese (eds.): Recent Developments and Innovative Applications in Computational Mechanics. Springer, Berlin. 2011. - Benjamin Schneider, Gian Antonio D'Addetta, Ekkehard Ramm.
**On material modeling by polygonal discrete elements.**In: E. Onate, D.R.J. Owen (eds.): Particle-Based Methods. Fundamentals and Applications. Springer, Dordrecht. 2011. - Ekkehard Ramm.
**Zur Strukturdynamik - Modellbildungen und Anwendungen.**Braunschweigische Wissenschaftliche Gesellschaft, Jahrbuch 2007, J. Cramer Verlag. 2008. - Manfred Bischoff, Wolfgang A. Wall, Kai-Uwe Bletzinger, Ekkehard Ramm.
**Models and Finite Elements for Thin-walled Structures.**in Encyclopedia Of Computational Mechanics, Editors: Erwin Stein, René de Borst and Thomas J.R. Hughes. Volume 2: Solids and Structures. John Wiley & Sons, Ltd, Chichester . 2004. - Holger Steeb, Astrid Maute, Ekkehard Ramm.
**Goal-oriented error estimation in solid mechanics.**'Error-controlled Adaptive FEMs in Solid Mechanics', E. Stein (Ed.), Wiley & Sons. 2002. - Ekkehard Ramm, Kai-Uwe Bletzinger.
**Structural Optimization..**Feature Article. Newsletter No 9. (IASS-Structural Morphology Group). 1998. - Ekkehard Ramm, Norbert Rehle.
**Sind adaptive FE-Berechnungsmethoden für praktische Problemstellungen geeignet?.**Festschrift J.Eibl, Karlsruhe. 1996. - Ekkehard Ramm, Thomas J. Hofmann.
**Stabtragwerke..**In: Mehlhorn, G. (ed), Der Ingenieurbau: Baustatik und Baudynamik. W. Ernst & Sohn. 1995. - Kai-Uwe Bletzinger, Reiner Reitinger, Stefan Kimmich, Ekkehard Ramm.
**Shape optimization with program CARAT..**In: Hörnlein, H. , Schittkowski, K. (ed) Software Systems for Structural Optimization, Int. Series of Numerical Mathematics, 110. 1993.

- Ekkehard Ramm.
**Beitrag zur praktischen Berechnung dünner Kugelschalen bei nicht rotationssymmetrischer Berandung nach der linearen Biegetheorie..**Doktorarbeit. Bericht 1972, Institut für Baustatik, Universität Stuttgart. 1972.