Dr.-Ing.

Anton Tkachuk

Postdoc
Institut für Baustatik und Baudynamik

Kontakt

+49 711 685-66574
+49 711 685-66130

Pfaffenwaldring 7
70550 Stuttgart
Deutschland
Raum: 1.121

Lebenslauf

  • 1986: Geboren in Charkiw, Ukraine
  • 2002: Abitur am Liceum 27, Charkiw, Ukraine
  • 2002 - 2007: Studium der Ingenieurwissenschaften an der Nationalen Technischen Universität "KhPI"
  • 2007 - 2009: Studium COMMAS (Computational Mechanics of Materials and Structures) an der Universität Stuttgart
  • 2009 - 2014: Akademischer Mitarbeiter am Institut für Baustatik und Baudynamik, Universität Stuttgart
  • 2013: Promotion (Dr.-Ing.) über das Thema „Variational methods for consistent singular and scaled mass matrices“, Universität Stuttgart
  • 2014 - 2015: Postdoc an der University of Colorado Boulder
  • Seit 2015: Postdoc am Institut für Baustatik und Baudynamik, Universität Stuttgart

Preise

  • 2015: Journal of Mechanical Design, Editors’ Choice Paper Award for the paper (extern): Maute, K., Tkachuk, A., Wu, J., Qi, H. J., Ding, Z., and Dunn, M. L. Level set topology optimization of printed active composites. Journal of Mechanical Design, 137(11):111402, 2015.
  • 2016-2017: DAAD research mobility program with IT AS Prague

Forschung

Veröffentlichungen

  1. Anton Tkachuk. Customization of reciprocal mass matrices via log-det heuristic. International Journal for Numerical Methods in Engineering, 121. 2020. DOI: 10.1002/nme.6240
  2. Anne-Kathrin Schäuble, Anton Tkachuk, Manfred Bischoff. Time step estimates for explicit dynamics with reciprocal mass matrices. Computers & Structures, 202. 2018. DOI: 10.1016/j.compstruc.2018.03.005
  3. Anne-Kathrin Schäuble, Anton Tkachuk, Manfred Bischoff. Variationally consistent inertia templates for B-spline- and NURBS-based FEM: Inertia scaling and customization. Computer Methods in Applied Mechanics and Engineering, 326. 2017. DOI: 10.1016/j.cma.2017.08.035
  4. Ján Kopacka, Anton Tkachuk, Dušan Gabriel, Radek Kolman, Manfred Bischoff, Jirí Plešek. On stability and reflection-transmission analysis of the bipenalty method in contact-impact problems: A one-dimensional, homogeneous case study. International Journal for Numerical Methods in Engineering, 113. 2017. DOI: 10.1002/nme.5712
  5. Anton Tkachuk, Manfred Bischoff. Direct and sparse construction of consistent inverse mass matrices: general variational formulation and application to selective mass scaling. International Journal for Numerical Methods in Engineering, 101. 2015. DOI: 10.1002/nme.4805
  6. Nikolay Asmolovskiy, Anton Tkachuk, Manfred Bischoff. Numerical approaches to stability analysis of cylindrical composite shells based on load imperfections. Engineering Computations, 32. 2015. DOI: 10.1108/EC-10-2013-0246
  7. Kurt Maute, Anton Tkachuk, Jiangtao Wu, H. Jerry Qi, Zhen Ding, Martin L. Dunn . Level Set Topology Optimization of Printed Active Composites. Journal of Mechanical Design, 137. 2015. DOI: 10.1115/1.4030994
  8. Anton Tkachuk, Manfred Bischoff . Local and global strategies for optimal selective mass scaling. Computational Mechanics, 53. 2014. DOI: 10.1007/s00466-013-0961-5
  9. Anton Tkachuk, Barbara Wohlmuth and Manfred Bischoff. Hybrid-mixed discretization of elasto-dynamic contact problems using consistent singular mass matrices. International Journal for Numerical Methods in Engineering, 94. 2013. DOI: 10.1002/nme.4457
  10. Anton Tkachuk, Manfred Bischoff . Variational methods for selective mass scaling. Computational Mechanics, 52. 2013. DOI: 10.1007/s00466-013-0832-0
  1. Anton Tkachuk, Radek Kolman, Jose A. Gonzalez, Manfred Bischoff, Jan Kopacka. Time step estimates for reciprocal mass matrices using Ostrowski's bounds. Proc. 7th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, M. Papadrakakis and M. Fragiadakakis (eds.), Crete, Greece, June 24-26. 2019. 2019. DOI: 10.7712/120119.6956.18956
  2. D. Gabriel, A. Tkachuk, J. Kopačka, R. Kolman, M. Mračko, M. Bischoff and J. Plešek. Estimation of stability limit based on Gershgorin’s theorem for explicit contact-impact analy-sis Signorini problem using bipenalty approach. In: Proc. 6th ECCOMAS Thematic Conference on Computational Methods in Structural Dy-namics and Earthquake Engineering, M. Papadrakakis and M. Fragiadakakis (eds.), Rhodes Island, Greece, June 15-17. 2017. DOI: 10.7712/120117.5494.18027
    • R. Kolman, J. Kopačka, A. Tkachuk, D. Gabriel, J. González and M. Bischoff. A robust explicit finite element algorithm with bipenalty stabilization for contact-impact problems. In: Proceedings of the 7th GACM Colloquium on Computational Mechanics for Young Sci-entists from Academia and Industry, M. von Scheven, M.-A. Keip and N. Karajan (eds.), Stuttgart, Germany, October 11-13. 2017. DOI: 10.18419/opus-9334
      • A. Tkachuk, Martina E. Matzen, R. Kolman and M. Bischoff. Singular mass matrices for isogeometric finite element analysis of dynamic contact. In: Proceedings of the 7th GACM Colloquium on Computational Mechanics for Young Sci-entists from Academia and Industry, M. von Scheven, M.-A. Keip and N. Karajan (eds.), Stuttgart, Germany, October 11-13. 2017. DOI: 10.18419/opus-9334
        • A.-K. Schäuble, A. Tkachuk, M. Bischoff. Variationelle Methoden zur Massenskalierung für eine effizientere explizite Zeitintegration in der Dynamik. In: K.-U. Bletzinger, N. Gebbeken, R. Fisch (eds.): Berichte der Fachtagung Baustatik - Baupraxis 12.. 2014.
        • A. Tkachuk and M. Bischoff. Applications of variationally consistent selective mass scaling in explicit dynamics. In: Proc. 4th ECCOMAS Thematic Conference on Computational Methods in Structural Dy-namics and Earthquake Engineering, M. Papadrakakis, V. Papadopoulos and V. Plevris (eds.), Kos Island, Greece, 12–14 June. 2013.
          • Oliver Mangold, Raphael Prohl, Anton Tkachuk, Vladimir Trickov . Reduction of Numerical Sensitivities in Crash Simulations on HPC-Computers (HPC-10). In: Wolfgang E. Nagel, Dietmar B. Kröner, Michael M. Resch, (Eds.): High Performance Computing in Science and Engineering '11. Transactions of the High Performance Computing Center Stuttgart. Springer. 2012. DOI: 10.1007/978-3-642-23869-7_46
          • Anton Tkachuk, Manfred Bischoff. Buckling under Contact Constraints as a Source of Scatter in Car Crash Simulations. II International Conference on Computational Contact Mechanics 15-17 June 2011, Hannover, Germany. 2011.
          • Anton Tkachuk. A contact-stabilized Newmark method for coupled dynamical thermo-elastic problem. 3rd International Conference on Nonlinear Dynamic, September 21-24, 2010, Kharkov, Ukraine. 2010.
          1. Christiana Eck, Yevgeniya Kovalenko, Oliver Mangold, Raphael Prohl, Anton Tkachuk, Vladimir Trickov . Reduction of Numerical Sensitivities in Crash Simulations on HPC-Computers (HPC-10). In: Nagel, Wolfgang E.; Kröner, Dietmar H.; Resch, Michael M. (Eds.): High Performance Computing in Science and Engineering '13. Transactions of the High Performance Computing Center, Stuttgart. Springer. 2013. DOI: 10.1007/978-3-642-33374-3_39
          2. Christiana Eck, Oliver Mangold, Raphael Prohl, Anton Tkachuk . Reduction of Numerical Sensitivities in Crash Simulations on HPC-Computers (HPC-10). In: Nagel, Wolfgang E.; Kröner, Dietmar H.; Resch, Michael M. (Eds.): High Performance Computing in Science and Engineering ‘12. Transactions of the High Performance Computing Center Stuttgart. Springer. 2013. DOI: 10.1007/978-3-319-02165-2_48
          1. Anton Tkachuk. Variational methods for consistent singular and scaled mass matrices. Doktorarbeit. Bericht Nr. 60, Institut für Baustatik und Baudynamik, Universität Stuttgart. 2013. DOI: 10.18419/opus-517
          1. Anton Tkachuk. A frictional mortar contact formulation using dual Lagrange multipliers (Nr. 09/4). Masterarbeit. Betreuer: Thomas Cichosz. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2009.

          Konferenzen

          1. Anton Tkachuk. Higher order reciprocal mass matrices via heuristic customization. 8th GACM Colloquium on Computational Mechanics (GACM 2019), Kassel, Germany, August 28-30, 2019.
          2. Anton Tkachuk. Direct methods for construction of reciprocal mass matrices in explicit dynamics. 10th International Conference on Mathematical Problems of Mechanics of Nonhomogeneous Structures, September 17 – 20, 2019 , L’viv, Ukraine.
          3. Anton Tkachuk, Radek Kolman, Jose A. Gonzalez, Manfred Bischoff, Jan Kopacka. Time step estimates for reciprocal mass matrices using Ostrowski's bounds. 7th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, M. Papadrakakis and M. Fragiadakakis (eds.), Crete, Greece, June 24-26. 2019.
          4. Anton Tkachuk, Anne Schäuble, Manfred Bischoff. Time step estimates for explicit dynamics with reciprocal mass matrices. 89th Annual Meeting of International Association of Applied Mathematics and Mechanics (GAMM 2018), Munich, 19.-23. March, 2018.
          5. Anton Tkachuk, Anne Schäuble, Manfred Bischoff. Reciprocal Mass Matrices for Transient Elastodynamics. Conference on Mathematics of Wave Phenomena, Karlsruhe, 23.-27. July, 2018.
          6. Anton Tkachuk, Jose A. Gonzales, Manfred Bischoff. Assessment of the reflection-transmission error for reciprocal mass matrices. The Thirteenth International Conference on Computational Structures Technology, Sitges, Spain, 4.-6. September, 2018.
          7. Anton Tkachuk, Manfred Bischoff. Assessment of the reflection-transmission error for reciprocal mass matrices. 6th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2017), Rhodes, Greece, 15.-17. June, 2017.
          8. Anton Tkachuk, Martina Matzen, Radek Kolman, Manfred Bischoff. Singular mass matrices for isogeometric finite element analysis of dynamic contact. 7th GACM Colloquium on Computational Mechanics, Stuttgart, 11.-13. October, 2017.
          9. Anton Tkachuk, Manfred Bischoff. Efficient tetrahedral finite elements for explicit dynamics. 12th World Congress on Computational Mechanics (WCCM XII), Seoul, South Korea, 24-29 July 2016.
          10. Anton Tkachuk, Manfred Bischoff. Alternative mass matrices and inertia patch test. 5th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), Crete,Greece, 25.-27. May, 2015.
          11. Anton Tkachuk, Manfred Bischoff. Direct and sparse construction of consistent inverse mass matrices: general variational formulation and application to selective mass scaling. 11th World Congress on Computational Mechanics (WCCM XI - ECCM V - ECFD VI), Barcelona, Spain, 20-25 July 2014.
          12. Anton Tkachuk, Manfred Bischoff. A global selective mass scaling technique using polynomial matrix representation. 5th GACM Colloquium on Computational Mechanics, Hamburg, 30. September - 2. October, 2013.
          13. Anton Tkachuk, Manfred Bischoff. Applications of variationally consistent selective mass scaling in explicit dynamics. 4th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2013), Kos,Greece, 12.-14. June, 2013.
          14. Anton Tkachuk, Wohlmuth, Manfred Bischoff. Discretization of dynamic contact using singular hybrid mass matrices. 6th European Congress on Computational Methods in Applied Sciences and Engineering (ECCM VI), Viena, Austria, 10.-14. September, 2012.
          15. Anton Tkachuk, Manfred Bischoff. Buckling under contact constraints as a source of scatter in car crash simulations. International Conference on Computational Contact Mechanics, Hannover, 15.-17. June, 2011.
          16. Anton Tkachuk, Manfred Bischoff. A contact-stabilized Newmark method for coupled dynamical thermo-elastic problem. 3rd International Conference on Nonlinear Dynamics (ND 2010), Kharkiv, Ukraine, 21.-24. September, 2010.
          17. Anton Tkachuk, Manfred Bischoff. A frictional mortar contact formulation using dual Lagrange multipliers.. 3rd GACM Colloquium on Computational Mechanics, Hannover, 21.-23. September, 2009.
          • 2018: 2nd International Conference on Advanced Modelling of Wave Propagation in Solids, Prague (Scientific Committee)
          • 2017: 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry (GACM 2017), 11-13 October 2017, Stuttgart, Germany (Local Organizing Team)
          • 2017: Mini Symposium “Non-Linear Dynamics and Wave Propagation” at COMPDYN 2017, Rhodos.
          • 2016: Mini Symposium “Advanced Numerical Modelling and Methods in Impact Problems and Wave Propagation Phenomena in Solids” at WCCM 2016, Seoul.
          • 2015: Mini Symposium ”Advanced Numerical Modelling and Methods in Impact Problems and Wave Propagation Phenomena in Solids” at joint GACM 2015 and YIC ECCOMAS 2015 conference, Aachen
          • 2013: 3rd International Conference on Particle-based Methods (Particles 2013), 18-20 September 2013, Stuttgart, Germany (Local Organizing Team)

          Gutachtertätigkeiten

          • International Journal for Numerical Methods in Engineering (IJNME)
          • Applied Mathematics and Computation (AMC)
          • Applied Mathematical Modelling (APM)

          Lehre

          • Computational Mechanics of Structures (M.Sc.), Übung, WiSe 2009/2010, 2010/2011, 2011/2012
          • Advanced Computational Structural Mechanics (M.Sc.), Übung, SoSe 2010, 2011, 2012
          • Studienpraktikum Computational Mechanics, Vorlesungen und Übungen zu ANSYS, LS-DYNA, LS-PrePost, Sommer 2015
          • Computational Mechanics of Structures (M.Sc.), Vorlesung, WiSe 2015/2016
          • ECCOMAS Sommerschule für Dynamik, Vorlesungen zur FEM in der Dynamik, Sommer 2016
          • Computational Contact Mechanics (M.Sc.), neuentwickelte Vorlesung, WiSe 2016/2017, 2017/2018, 2018/2019, 2019/2020
          • Advanced Computational Structural Mechanics, Vorlesung und Übung, SoSe 2017
          • Variational Methods in Structural Dynamics, neuentwickelte Vorlesung, SoSe 2018, 2019, 2020

          Betreute Abschlussarbeiten

          1. Alexander Keiser. Thermally induced pull of curved pipes (19/09). Masterarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2019.
          2. Berk Hakbilen. Simulative and Experimental Analysis of the Influence of Posture on Dynamic Seat Transfer Function (19/10). Masterarbeit. Betreuer: Anton Tkachuk und Christoph Rudhart (Daimler AG). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2019.
          3. Muhammad Ahmed. Microscale contact analysis of heterogeneous materials (18/02). Masterarbeit. Betreuer: Anton Tkachuk (IBB) und Daniel Nadermann (Robert Bosch GmbH). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2018.
          4. Nur Raihana Sukri. Modal analysis with the trimmed NURBS finite elements using LS-DYNA (18/19). Masterarbeit. Betreuer: Anton Tkachuk und Rebecca Thierer. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2018.
          5. Li Luo. Modalanalyse einer planaren Rohrleitung mit Vorspannung Effekte (18/23). Masterarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2018.
          6. Konstantinos Kaplanis. Explizite Finite-Elemente-Analyse von Balken- und Rahmenstrukturen (17/11). Masterarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2017.
          7. Albert Taulera Campos. Structural analysis of steel sectional water tanks (17/15). Masterarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2017.
          8. Marc Font Vinets. Effect of trapped air on the crashworthiness of aluminum honeycomb structures (17/19). Masterarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2017.
          9. Jochen Bauer. Nicht-lineare dynamische Analyse einer 3D-Rohrleitung unter Erdbebenerregung (17/32). Masterarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2017.
          10. Mustafa Anjrini. Dynamic and quasi-static simulation of an elastic dome (16/03). Masterarbeit. Betreuer: Anton Tkachuk und Layla Koohi. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2016.
            • Mohamed Moussa. Explicit Dynamic Contact Analysis (15/15). Masterarbeit. Betreuer: Anne Schäuble, Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2015.
            • Hiva Mesgari. Thermal Analysis of Heating Elements Made of Electrical Conductive Thermoplastics (14/03). Masterarbeit. Betreuer: Anne Schäuble, Anton Tkachuk (IBB) und G. Finnah (Robert Bosch GmbH). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2014.
            • Ernesto Rivera Murillo. Development of a Virtual Tractor Model for Durability Simulation (13/02). Masterarbeit. Betreuer: Anton Tkachuk (IBB) und Patino Mario (John Deere GmbH & Co. KG). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2013.
            • Anne-Kathrin Schäuble. Isogeometric Galerkin Finite Elements in Time and Space (13/06). Masterarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2013.
            • Nikolay Asmolovskiy. Elastohydrodynamic Coupling for Statically Reduced Finite Element Models (12/03). Masterarbeit. Betreuer: Anton Tkachuk (IBB) und Dr. S. Solovyev (Robert Bosch GmbH). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2012.
              • Ramesh Mohan C. Natarajan. Investigation of numerical sensitivities in car crash simulations (12/04). Masterarbeit. Betreuer: A. Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2012.
              • Gustavo Rodolfo Ramirez Huaccho. Determination of an additional factor for ball bearings in super large hydraulic shovels (12/06). Masterarbeit. Betreuer: Anton Tkachuk (IBB) und Peter Brück (Komatsu Mining Germany GmbH). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2012.
              • Pandian Kumaraguru. Adjustment of Crash Parameters for Component Testing (12/10). Masterarbeit. Betreuer: Anton Tkachuk (IBB) und Philipp Straßburger (DLR). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2012.
              • Furkan Gültekin. Geometry Design Optimization in Transient FEA (11/01). Masterarbeit. Betreuer: Anton Tkachuk (IBB) und Peter Bruggmüller (Hilti AG, Liechtenstein). Institut für Baustatik und Baudynamik, Universität Stuttgart. 2011.
                1. Hannes Imhof. Vergleich verschiedener Methoden zur Schwingungstilgung im Hochhausbau (16/14). Bachelorarbeit. Betreuer: Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2016.
                1. Anika Strauß. Numerische Ableitungen - Untersuchung und Anwendung verschiedener Methoden (18/10). Seminararbeit. Betreuer: Steffen Roth und Anton Tkachuk. Institut für Baustatik und Baudynamik, Universität Stuttgart. 2018.
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