Dr.-Ing. Alexander Popp

Contact @ TUM

SHORT PROFILE (www)

CURRICULUM VITAE (pdf)


Latest News

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Oct 17, 2017 - Open Positions (Contact Mechanics and HPC)
With great excitement I can announce today that I will take up a new position as Full Professor at the Universität der Bundeswehr (UniBw) München in early 2018. I will build up a new research group for "Computer-Based Simulation" within the Institute for Mathematics and Computer-Based Simulation there. For this new group, I am currently looking for two doctoral candidates / postdocs for full-time positions (TVöD 13/14) in computational contact mechanics and HPC research, both also including teaching or HPC administration responsibilities. Fluency in German is essential for these positions. The envisaged starting date would be Jan 01, 2018 and the official job posting (in German) can be downloaded here. Please contact me as soon as possible for further details!
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Aug 01, 2017 - New Research Grant (ZD.B Research Group)
My project proposal "EVARSim: A Simulation-Based Digital Toolchain for Surgery Planning and Risk Prediction in Endovascular Repair (EVAR) of Abdominal Aortic Aneurysms (AAA)" at the Center Digitization.Bavaria (ZD.B) has been successful. I am very excited about building up a new group at TUM with the grant money (1.2M €)!
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Oct 10, 2016 - CISM Course "Computational Contact and Interface Mechanics"
October 3-7, 2016 - Udine (Italy), with: M. Geers, J.-F. Molinari, A. Popp, J. Rojek, S. Stupkiewicz, P. Wriggers.
Please visit the CISM website for further information.
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Teaching

Research Interests

Research Projects

Scientific Community

  • 2016-          Chairman of the European Young Investigators Committee (ECCOMAS)
  • 2014-2016  German Representative in the European Young Investigators Committee (ECCOMAS)
  • 2013-2016  Secretary General of the German Association for Computational Mechanics (GACM)
  • 2012-          Member of the European Mechanics Society (EUROMECH)
  • 2012-          Member of the International Association for Computational Mechanics (IACM)
  • 2012-          Member of the German Association for Computational Mechanics (GACM)
  • 2005-          Member of the Association of German Engineers (VDI)

Publications

(see also my profile on Google Scholar, Scopus or ResearcherID)

Articles in Peer-Reviewed International Journals

  • Farah, P., Wall, W.A., Popp, A. (2017): A mortar finite element approach for point, line and surface contact, Preprint, submitted for publication
  • Fang, R., Farah, P., Popp, A., Wall, W.A. (2017): A monolithic, mortar-based interface coupling and solution scheme for finite element simulations of lithium-ion cells, Preprint, submitted for publication
  • Wiesner, T.A., Popp, A., Gee, M.W., Wall, W.A. (2017): Algebraic multigrid methods for dual mortar finite element formulations in contact mechanics, Preprint, submitted for publication
  • Meier, C., Grill, M.J., Wall, W.A., Popp, A. (2017): Geometrically exact beam elements and smooth contact schemes for the modeling of fiber-based materials and structures, International Journal of Solids and Structures, published online, DOI
  • Seitz, A., Wall, W.A., Popp, A. (2017): A computational approach for thermo-elasto-plastic frictional contact based on a monolithic formulation employing non-smooth nonlinear complementarity functions, Preprint, submitted for publication
  • Meier, C., Popp, A., Wall, W.A. (2017): Geometrically exact finite element formulations for slender beams: Kirchhoff-Love theory vs. Simo-Reissner theory, Archives of Computational Methods in Engineering, published online, DOI
  • Farah, P., Wall, W.A., Popp, A. (2017): An implicit finite wear contact formulation based on dual mortar methods, International Journal for Numerical Methods in Engineering, 111:325-353, DOI
  • Meier, C., Wall, W.A., Popp, A. (2017): A unified approach for beam-to-beam contact, Computer Methods in Applied Mechanics and Engineering, 315:972-1010, DOI
  • Meier, C., Popp, A., Wall, W.A. (2016): A finite element approach for the line-to-line contact interaction of thin beams with arbitrary orientation, Computer Methods in Applied Mechanics and Engineering, 308:377-413, DOI
  • Farah, P., Vuong, A.-T., Wall, W.A., Popp, A. (2016): Volumetric coupling approaches for multiphysics simulations on non-matching meshes, International Journal for Numerical Methods in Engineering, 108:1550-1576, DOI
  • Seitz, A., Farah, P., Kremheller, J., Wohlmuth, B.I., Wall, W.A., Popp, A. (2016): Isogeometric dual mortar methods for computational contact mechanics, Computer Methods in Applied Mechanics and Engineering, 301:259-280, DOI
  • Pasquariello, V., Hammerl, G., Örley, F., Hickel, S. Danowski, C., Popp, A., Wall, W.A., Adams, N.A. (2016): A cut-cell finite volume – finite element coupling approach for fluid-structure interaction in compressible flow, Journal of Computational Physics, 307:670-695, DOI
  • Farah, P., Gitterle, M., Wall, W.A., Popp, A. (2015): Computational wear and contact modeling for fretting analysis with isogeometric dual mortar methods, Key Engineering Materials, 681:1-18, DOI
  • Meier, C., Popp, A., Wall, W.A. (2015): A locking-free finite element formulation and reduced models for geometrically exact Kirchhoff rods, Computer Methods in Applied Mechanics and Engineering, 290:314-341, DOI
  • Seitz, A., Popp, A., Wall, W.A. (2015): A semi-smooth Newton method for orthotropic plasticity and frictional contact at finite strains, Computer Methods in Applied Mechanics and Engineering, 285:228-254, DOI
  • Farah, P., Popp, A., Wall, W.A. (2015): Segment-based vs. element-based integration for mortar methods in computational contact mechanics, Computational Mechanics, 55:209-228, DOI
  • Popp, A., Wall, W.A. (2014): Dual mortar methods for computational contact mechanics - Overview and recent developments, GAMM-Mitteilungen, 37(1):66-84, DOI
  • Meier, C., Popp, A., Wall, W.A. (2014): An objective 3D large deformation finite element formulation for geometrically exact curved Kirchhoff rods, Computer Methods in Applied Mechanics and Engineering, 278:445-478, DOI
  • Ehrl, A., Popp, A., Gravemeier, V., Wall, W.A. (2014): A dual mortar approach for mesh tying within a variational multiscale method for incompressible flow, International Journal for Numerical Methods in Fluids, 76:1-27, DOI
  • Popp, A., Seitz, A., Gee, M.W., Wall, W.A. (2013): Improved robustness and consistency of 3D contact algorithms based on a dual mortar approach, Computer Methods in Applied Mechanics and Engineering, 264:67-80, DOI
  • Popp, A., Wohlmuth, B.I., Gee, M.W., Wall, W.A. (2012): Dual quadratic mortar finite element methods for 3D finite deformation contact, SIAM Journal on Scientific Computing, 34:B421-B446, DOI
  • Wohlmuth, B.I., Popp, A., Gee, M.W., Wall, W.A. (2012): An abstract framework for a priori estimates for contact problems in 3D with quadratic finite elements, Computational Mechanics, 49:735-747, DOI
  • Klöppel, T., Popp, A., Küttler, U., Wall, W.A. (2011): Fluid-structure interaction for non-conforming interfaces based on a dual mortar formulation, Computer Methods in Applied Mechanics and Engineering, 200:3111-3126, DOI
  • Mayer, U.M., Popp, A., Gerstenberger, A., Wall, W.A. (2010): 3D fluid-structure-contact interaction based on a combined XFEM FSI and dual mortar contact approach, Computational Mechanics, 46:53-67, DOI
  • Popp, A., Gitterle, M., Gee, M.W., Wall, W.A. (2010): A dual mortar approach for 3D finite deformation contact with consistent linearization, International Journal for Numerical Methods in Engineering, 83:1428-1465, DOI
  • Gitterle, M., Popp, A., Gee, M.W., Wall, W.A. (2010): Finite deformation frictional mortar contact using a semi-smooth Newton method with consistent linearization, International Journal for Numerical Methods in Engineering, 84:543-571, DOI
  • Popp, A., Gee, M.W., Wall, W.A. (2009): A finite deformation mortar contact formulation using a primal-dual active set strategy, International Journal for Numerical Methods in Engineering, 79:1354-1391, DOI

Peer-Reviewed Proceedings Articles and Book Contributions

  • Popp, A., Gee, M.W., Wall, W.A. (2013): Mortar methods for single- and multi-field applications in computational mechanics, In: Sustained Simulation Performance 2012, pp. 133-154, M. Resch, X. Wang, W. Bez, E. Focht, H. Kobayashi (Eds.), Springer-Verlag Berlin Heidelberg, Germany, DOI
  • Popp, A., Gee, M.W., Wall, W.A. (2013): A primal-dual active set strategy for finite deformation dual mortar contact, In: Lecture Notes in Applied and Computational Mechanics, Volume 56, pp. 151-171, G.E. Stavroulakis (Ed.), Springer-Verlag Berlin Heidelberg, Germany, DOI
  • Popp, A., Wall, W.A. (2011): Computational contact dynamics including multiphysics and multiscale effects, In: Proceedings of the ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2011), M. Papadrakakis, N.D. Lagaros, M. Fragiadakis (Eds.), Corfu, Greece, May 26-28, 2011
  • Klöppel, T., Popp, A., Wall, W.A. (2011): Interface treatment in computational fluid-structure interaction, In: Proceedings of the ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2011), M. Papadrakakis, N.D. Lagaros, M. Fragiadakis (Eds.), Corfu, Greece, May 26-28, 2011
  • Popp, A., Gee, M.W., Wall, W.A. (2011): Finite deformation mortar contact based on a 3D dual mortar and semi-smooth Newton approach, In: Lecture Notes in Applied and Computational Mechanics, Volume 58, pp. 57-77, G. Zavarise, P. Wriggers (Eds.), Springer-Verlag Berlin Heidelberg, Germany, DOI
  • Popp, A., Gitterle, M., Gee, M.W., Wall, W.A. (2009): A mortar method for finite deformation frictional contact using a primal-dual active set strategy, In: Computational Plastcity X - Fundamentals and Applications, Proceedings of the 10th International Conference on Computational Plasticity (COMPLAS 2009), E. Onate,  D.R.J. Owen, B. Suarez (Eds.), Barcelona, Spain, September 2-4, 2009

Other Articles and Book Contributions

  • Popp, A., Wall, W.A. (2013): Mortar methods for computational contact mechanics and general interface problems, In: IACM Expressions, Volume 33, pp. 10-13, E. Onate (Ed.), Barcelona, Spain, PDF
  • Westfall, J., Maute, K.K., Klöppel, T., Popp, A., Gitterle, M., Wall, W.A. (2011): Nonlinear multi-physics coupling for non-conforming interfaces based on a dual mortar formulation, In: DFG Sonderforschungsbereich / Transregio 40, Proceedings of the Summer Program 2011, N.A. Adams et al. (Eds.), München, Germany, PDF
  • Klöppel, T., Popp, A., Wall, W.A. (2010): Fluid-structure interaction for non-conforming interfaces based on a dual mortar formulation, In: DFG Sonderforschungsbereich / Transregio 40, Annual Report 2010, N.A. Adams et al. (Eds.), München, Germany, PDF

PhD Thesis

  • Popp, A. (2012): Mortar methods for computational contact mechanics and general interface problems, Technische Universität München, Germany, PDF

Selected Presentations

  • New contact algorithms for nonlinear beam finite elements and their application to stent graft modeling, invited, MUSAM Lab Seminar Series, IMT School for Advanced Studies, Lucca, Italy, October 24, 2017
  • Contact and interface modeling in nonlinear solid mechanics with mortar finite element methods, invited, MUSAM Lab Seminar Series, IMT School for Advanced Studies, Lucca, Italy, October 17, 2017
  • Mortar-based contact formulations for non-smooth geometries, invited, 7th GACM Colloquium on Computational Mechanics (GACM2017), Stuttgart, Germany, October 11-13, 2017
  • Nonlinear contact modeling for geometrically exact beam finite element formulations, invited plenary lecture, 4th ECCOMAS Young Investigators Conference (YIC), Milan, Italy, September 13-15, 2017
  • Combining isogeometric and finite element analysis - Isogeometric contact surfaces for finite elements, contributed, ECCOMAS Thematic Conference on Modern Finite Element Technologies (MFET2017), Bad Honnef, Germany, August 21-23, 2017
  • Novel contact algorithms for nonlinear beam models - beam-to-beam contact, beam-to-solid mesh tying and beam-to-solid contact, contributed, 5th International Conference on Computational Contact Mechanics (ICCCM17), Lecce, Italy, July 5-7, 2017
  • Bottom-up modeling of stent grafts for endovascular repair of AAA, invited, 4th Japanese-German Workshop on Computational Mechanics, Sendai, Japan, March 27-28, 2017
  • A unified framework for beam-to-beam contact interaction, invited, 12th World Congress on Computational Mechanics (WCCM2016), Seoul, Korea, July 25-29, 2016
  • Bottom-up modeling of AAA stent grafts and stent placement procedures, invited keynote, 7th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS2016), Hersonissos, Greece, June 5-10, 2016
  • Interface modeling in computational mechanics, Intermediate Presentation of the Habilitation Process, Technical University of Munich, Garching, Germany, April 21, 2016
  • Mortar finite element methods in computational (contact) mechanics, invited, Workshop of the Profile Area Computational Science and Engineering (CompSE), RWTH Aachen University, Aachen, Germany, December 14, 2015
  • Mortar finite element methods for solid mechanics, fluid dynamics and coupled problems, invited, Special Seminar on Science and Engineering, Department of Civil and Environmental Engineering, Chuo University, Tokyo, Japan, September 29, 2015
  • A finite element approach for arbitrarily complex contact interaction of geometrically exact 3D Kirchhoff beams, contributed, 3rd ECCOMAS Young Investigators Conference (YIC), Aachen, Germany, July 20-23, 2015
  • Mortar finite element methods for computational contact mechanics: Towards complex real-world applications, invited plenary lecture, 4th International Conference on Computational Contact Mechanics (ICCCM15), Hannover, Germany, May 27-29, 2015
  • Computational contact mechanics: Overview of current and future research directions, invited, Oshima Lab Seminar Series, Institute of Industrial Science, The University of Tokyo, Tokyo, Japan, April 27, 2015
  • Efficient parallel solution methods for mortar finite element discretizations in computational contact mechanics, invited, 11th World Congress on Computational Mechanics (WCCM2014), Barcelona, Spain, July 21-25, 2014
  • Nonlinear complementarity functions and semi-smooth Newton methods for elastoplastic frictional contact at finite strains, contributed, 6th Contact Mechanics International Symposium (CMIS2014), Abu Dhabi, United Arab Emirates, February 3-5, 2014
  • Improved robustness and efficiency of mortar-based finite element discretizations for nonlinear contact problems, contributed, 3rd International Conference on Computational Contact Mechanics (ICCCM13), Lecce, Italy, July 10-12, 2013
  • Parallel efficiency and dyanmic load balancing of mortar finite element methods, contributed, 2nd European Trilinos User Group Meeting (EuroTUG), Garching, Germany, June 3-5, 2013
  • Mortar finite element methods for non-matching meshes in contact dynamics, fluid dynamics and FSI, invited, 84th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2013), Novi Sad, Serbia, March 18-22, 2013
  • Mortar finite element methods for general interfaces in solid mechanics, fluid mechanics and coupled problems, invited keynote, SPOMECH Workshop on Supercomputing and Computational Mechanics, Ostrava, Czech Republic, November 21-23, 2012
  • Dual mortar approach and semi-smooth Newton methods for computational contact mechanics, invited keynote, SPOMECH Workshop on Supercomputing and Computational Mechanics, Ostrava, Czech Republic, November 21-23, 2012
  • Dual mortar contact formulations - new extensions for improved robustness and parallel efficiency, invited, 10th World Congress on Computational Mechanics (WCCM2012), São Paulo, Brazil, July 8-13, 2012
  • Computational contact mechanics in multiphysics environments, invited plenary lecture (given by W.A. Wall), 10th World Congress on Computational Mechanics (WCCM2012), São Paulo, Brazil, July 8-13, 2012
  • 3D computational contact analysis using quadratic mortar finite element methods and dual Lagrange multiplier spaces, contributed, Abstract at the Euromech 514: New trends in contact mechanics, Cargèse, France, March 27-31, 2012
  • Dynamic load balancing of mortar finite element methods for single-field and multi-field applications, invited, 15th Workshop on Sustained Simulation Performance, Sendai, Japan, March 22-23, 2012
  • Mortar finite element methods for computational contact dynamics and multiphysics simulations, invited, 14th Teraflop Workshop of HLRS Stuttgart and NEC, Stuttgart, Germany, December 5-6, 2011
  • Coupling of non-conforming interface meshes in contact dynamics and fluid-structure interaction using mortar methods, invited, 11th International Conference on Computational Plasticity (COMPLAS XI), Barcelona, Spain, September 7-9, 2011
  • Mortar methods with dual Lagrange multipliers for 3D finite deformation contact and multiphysics simulations, contributed, 2nd International Conference on Computational Contact Mechanics (ICCCM11), Hannover, Germany, June 15-17, 2011
  • Consistent treatment of 3D finite deformation contact within a fixed-grid fluid-structure interaction framework, invited, 16th International Conference on Finite Elements in Flow Problems (FEF2011), Munich, Germany, March 23-25, 2011
  • The mortar method with dual Lagrange multipliers: application to 3D finite deformation contact and quadratic elements, invited, 20th International Conference on Domain Decomposition Methods (DD20), San Diego, USA, February 7-11, 2011
  • A computational approach for 3D fluid-structure-contact interaction and elastohydrodynamic lubrication, contributed, 8th Euromech Fluid Mechanics Conference (EFMC8), Bad Reichenhall, Germany, September 13-16, 2010
  • From 3D finite deformation dual mortar contact towards a fluid-structure-contact interaction method, invited, 4th European Conference on Computational Mechanics (ECCM2010), Paris, France, May 16-21, 2010
  • An efficient dual mortar approach for 3D finite deformation contact including frictional sliding, contributed, 1st International Conference on Computational Contact Mechanics (ICCCM09), Lecce, Italy, September 16-18, 2009
  • A mortar method for finite deformation frictional contact using a primal-dual active set strategy, invited, 10th International Conference on Computational Plasticity (COMPLAS X), Barcelona, Spain, September 2-4, 2009
  • A primal-dual active set strategy for three-dimensional finite deformation mortar contact, contributed, 5th Contact Mechanics International Symposium (CMIS09), Chania, Greece, April 28-30, 2009
  • Phenomenological modeling of a metallic honeycomb crash barrier, contributed, 2nd GACM Colloquium on Computational Mechanics, Munich, Germany, October 10-12, 2007

Supervised Student Projects / Theses

  • Beam-to-solid contact modeling for stent grafts, Florian Kammerstetter, 2017
  • Bottom-up modeling of stents and stent grafts, Johannes Kremheller, 2016
  • Inequality level-set approach for contact problems, Michael Hofer, 2016
  • Finite element modeling of endovascular stent grafts, Sebastian Büchner, 2016
    (in cooperation with University of Tokyo, Tokyo, Japan)
  • Sliding mortar mesh tying for FSI of rotating structures, Michael Häußler, 2015
  • Modeling of deformable crash barriers, Michael Pabst, 2014
    (in cooperation with IDIADA GmbH, BMW Group and F. Duddeck, TUM)
  • Contact between beams and rigid / elastic solid bodies, Michael Hofer, 2014
  • Particle contact simulations with the discrete element method, Niklas Fehn, 2013
  • Finite-strain elastoplasticity and contact, Alexander Seitz, 2013
  • Simulating the interaction of pantograph and catenary, Fabian Sewerin, 2013
    (in cooperation with Bombardier Transportation GmbH)
  • Numerical integration for 3D mortar contact formulations, Philipp Farah, 2012
  • Energy conservation for mortar contact formulations, Andy Wirtz, 2012
  • Explicit time integration schemes for contact problems, Roman Feger, 2011
  • Crash modeling concepts for passenger cars, Thomas Knyrim, 2011
    (in cooperation with BMW Group)
  • Consistent dual Lagrange multipliers for 3D mortar contact, Alexander Seitz, 2011
  • Consistent dual Lagrange multipliers for 2D mortar contact, Sebastian Zenz, 2011
  • Different sliding laws on embedded interfaces, Matthias Mayr, 2010
    (in cooperation with Duke University, Durham, USA)
  • F-Bar element formulations for elasto-plastic materials, Stefanos Tsoukalas, 2010
  • Momentum conservation for mortar contact formulations, Fabian Sewerin, 2010
  • Nonlinear 3D contact formulations for beam structures, Matthias Mayr, 2009
  • Search algorithms for the finite element simulation of self contact, Anh-Tu Vuong, 2009
  • Mortar contact formulations with penalty regularization, Bernd Budich, 2009
  • Efficient 3D contact search algorithms, Thomas Eberl, 2009