Univ.-Prof. Dr.-Ing. Alexander Popp

Univ.-Prof. Dr.-Ing. Alexander Popp

 

Werdegang

05/2022 -	Stellvertretender Direktor, DLR Institut für den Schutz Terrestrischer Infrastrukturen, Sankt Augustin
01/2018 -	Professor (W3) für Computergestützte Simulation, Universität der Bundeswehr München
09/2017 - 10/2017	Visiting Professor, IMT School for Advanced Studies Lucca, Italien
08/2017 - 12/2017	Nachwuchsgruppenleiter, ZD.B Junior Research Group, TU München
03/2017 - 06/2017	Visiting Associate Research Scientist, Columbia University in the City of New York, USA
03/2015 - 10/2015	Visiting Research Fellow, The University of Tokyo, Japan
10/2012 - 07/2017	Postdoc / Stellvertretender Institutsleiter, Lehrstuhl für Numerische Mechanik, TU München
10/2007 - 09/2012	Wissenschaftlicher Mitarbeiter, Lehrstuhl für Numerische Mechanik, TU München

 

Lehrveranstaltungen

HT (B.Sc. 1. Trimester)	Programmieren
WT (B.Sc. 2. Trimester)	Statistik
WT (B.Sc. 5. Trimester)	Einführung Finite-Elemente-Methoden (FEM)
FT (B.Sc. 6. Trimester)	Vertiefte Kapitel der Statik und Numerik
FT (B.Sc. 6. Trimester)	Modellierung von Unsicherheiten und Daten
FT (M.Sc. 9. Trimester)	Nichtlineare Finite-Elemente-Methoden (FEM)
HT (M.Sc. 10. Trimester)	Computergestützte Simulation in der Kontaktmechanik
THI / HAW Landshut	Geometrically Nonlinear and Contact Analysis

 

Forschungsgebiete und Projekte

Eine Übersicht über aktuelle und vergangene Forschungsprojekte finden Sie auf unserer Forschungs-Seite.

Computational Contact Dynamics	Computational Solid and Structural Dynamics
Multiphysics / Coupled Problems	Fluid-Structure Interaction (FSI)
Non-Conforming Discretization / Mortar Methods	Tribology - Friction, Wear and Thermomechanics
Elastohydrodynamic Lubrication	Computational Plasticity
Multiscale Modeling	Finite Element Formulations for Beams and Shells
Isogeometric Analysis (IGA)	Stent Grafts for Endovascular Repair
Cardiovascular Mechanics	Uncertainty Quantification
Model Reduction Techniques	Finite Element Technology
High Performance Parallel Computing	Software Development
Protection of Critical Infrastructures	Digital Twins and Hybrid Twins
Data-Driven Modeling	Machine Learning

 

Ausgewählte Preise und Auszeichnungen

2018	O.C. Zienkiewicz-Preis für Nachwuchswissenschaftler	ECCOMAS
2018	Top Teaching Trophy der Munich School of Engineering	TU München
2017	Aufnahme ins ZD.B Nachwuchsforschungsgruppen-Programm	Zentrum Digitalisierung Bayern
2016	Postdoktoranden-Stipendium	Daimler und Benz Stiftung
2015	Auszeichnung für gute Lehre an der Fakultät Maschinenwesen	TU München
2015	Postdoktoranden-Stipendium Japan	DAAD
2015	Postdoktoranden-Stipendium Japan (abgelehnt)	Europäische Kommission
2015	Postdoktoranden-Stipendium Japan (abgelehnt)	JSPS
2010	Auszeichnung für gute Lehre an der Fakultät Maschinenwesen	TU München
2005-2007	Stipendium im Max Weber-Programm Bayern	Studienstiftung des Deutschen Volkes
2005	Rudolf Diesel-Preis des AMIV e.V.	TU München
2002-2005	Stipendium nach dem Bayerischen Begabtenförderungsgesetz	Freistaat Bayern

 

Wissenschaftliche Vereinigungen, Gremien und Zeitschriften

2026	Organisator	17th World Congress on Computational Mechanics (WCCM) and ECCOMAS Congress 2026
2023-	Organisator	International Conference on Computational Contact Mechanics (ICCCM) - ECCOMAS Thematic Conference
2023-	Mitglied	Wissenschaftlich-technischer Beirat - DLR Institut für den Schutz Maritimer Infrastrukturen, Bremerhaven
2022-	Mitglied	General Council - International Association for Computational Mechanics (IACM)
2020-	Mitherausgeber	Journal of Theoretical, Computational and Applied Mechanics (JTCAM)
2020-	Mitglied	Forschungszentrum RISK - Universität der Bundeswehr München (RISK)
2020-	Mitglied	Society for Industrial and Applied Mathematics (SIAM)
2019-	Ehrenmitglied	Technology Network Alliance (TechNet)
2018-	Mitglied	Gesellschaft für Angewandte Mathematik und Mechanik (GAMM)
2016-2020	Vorsitzender	European Young Investigators Committee (ECCOMAS)
2014-2016	Mitglied	European Young Investigators Committee (ECCOMAS)
2013-2016	Generalsekretär	German Association for Computational Mechanics (GACM)
2012-	Mitglied	European Mechanics Society (EUROMECH)
2012-	Mitglied	International Association for Computational Mechanics (IACM)
2012-	Mitglied	German Association for Computational Mechanics (GACM)
2005-	Mitglied	Verein Deutscher Ingenieure (VDI)

 

Weitere Aufgaben und Ämter

2021-	Vertrauensdozent	Deutsche Forschungsgemeinschaft (DFG)
2021-	Vertrauensdozent	Studienstiftung des deutschen Volkes
2021-	Projektleiter	RISK.twin - Zentrum für Digitalisierungs- und Technologieforschung der Bundeswehr (dtec.bw)
2019-	Mitglied	Kommission Nachwuchsförderung UniBw München
2018-	Mitglied	Fakultätsrat Bauingenieurwesen und Umweltwissenschaften

 

Publikationen

Autoren-Profil: Google Scholar

Autoren-Profil: Scopus

Autoren-Profil: ResearchGate

Preprints und zur Veröffentlichung eingereichte Artikel

Firmbach, M., Steinbrecher, I., Popp, A., Mayr, M.: Physics-based block preconditioning for mixed-dimensional beam-solid interaction, Preprint, submitted for publication, arXiv  Frank, M., Holzberger, F., Horvat, M., Kirschke, J., Mayr, M., Muhr, M., Nebulishvili, N., Popp, A., Schwarting, J., Wohlmuth, B.: Numerical simulation of endovascular treatment options for cerebral aneurysms, Preprint, submitted for publication, arXiv  Steinbrecher, I., Hagmeyer, N., Meier, C., Popp, A.: A consistent mixed-dimensional coupling approach for 1D Cosserat beams and 2D solid surfaces, Preprint, submitted for publication, arXiv

Monographien und Bücher als Herausgeber

Popp, A., Wriggers, P. (Eds.) (2018): Contact Modeling for Solids and Particles, CISM International Centre for Mechanical Sciences 585, Springer International Publishing, Link Popp, A. (2012): Mortar methods for computational contact mechanics and general interface problems, Institute for Computational Mechanics, Report No. 14, Technische Universität München (TUM), Link

Artikel in begutachteten Fachzeitschriften (mit Peer-Review)

Sahin, T., von Danwitz, M., Popp, A.: Solving forward and inverse problems of contact mechanics using physics-informed neural networks, Advanced Modeling and Simulation in Engineering Sciences, in press, arXiv  Hagmeyer, N., Mayr, M., Popp, A. (2024): A fully coupled regularized mortar-type finite element approach for embedding one-dimensional fibers into three-dimensional fluid flow, International Journal for Numerical Methods in Engineering, 125:e7435, DOI (Open Access) , arXiv  Jaelani, Y., Klemm, A., Köhncke, M., Wimmer, J., Seitz, F., Marsili, F., von Danwitz, M., Mendler, A., Henke, S., Gündel, M., Braml, T., Spannaus, M., Popp, A., Kessler, S. (2023): Developing a benchmark study for bridge monitoring, Steel Construction, 16:215-225, DOI (Open Access) Mayr, M., Popp, A. (2023): Scalable computational kernels for mortar finite element methods, Engineering with Computers, 39:3691-3720, DOI (Open Access) , arXiv  Pinto Carvalho, R., Couto Carneiro, A.M., Andrade Pires, F.M., Popp, A. (2023): An efficient contact algorithm for rigid/deformable interaction based on the dual mortar method, Computational Mechanics, 71:143-167, DOI (Open Access) , arXiv  Hagmeyer, N., Mayr, M., Steinbrecher, I., Popp, A. (2022): One-way coupled fluid-beam interaction: capturing the effect of embedded slender bodies on global fluid flow and vice versa, Advanced Modeling and Simulation in Engineering Sciences, 9:9, DOI (Open Access) , arXiv Steinbrecher, I., Popp, A., Meier, C. (2022): Consistent coupling of positions and rotations for embedding 1D Cosserat beams into 3D solid volumes, Computational Mechanics, 69:701-732, DOI (Open Access) , arXiv Wiesner, T.A., Mayr, M., Popp, A., Gee, M.W., Wall, W.A. (2021): Algebraic multigrid methods for saddle point systems arising from mortar contact formulations, International Journal for Numerical Methods in Engineering, 122:3749-3779,  DOI (Open Access) , arXiv Steinbrecher, I., Mayr, M., Grill, M.J. , Kremheller, J., Meier, C., Popp, A. (2020): A mortar-type finite element approach for embedding 1D beams into 3D solid volumes, Computational Mechanics, 66:1377-1398, DOI (Open Access) , arXiv  Bonari, J., Marulli, M.R., Hagmeyer, N., Mayr, M., Popp, A., Paggi, M. (2020): A multi-scale FEM-BEM formulation for contact mechanics between rough surfaces, Computational Mechanics, 65:731-749, DOI , arXiv Ager, C., Schott, B., Vuong, A.-T., Popp, A., Wall, W.A. (2019): A consistent approach for fluid-structure-contact interaction based on a porous flow model for rough surface contact, International Journal for Numerical Methods in Engineering, 119:1345-1378, DOI , arXiv Seitz, A., Wall, W.A., Popp, A. (2019): Nitsche's method for finite deformation thermomechanical contact problems, Computational Mechanics, 63:1091-1110, DOI Pauw, J.D., Veggi, L., Haidn, O.J., Wagner, C., Thümmel, T., Rixen, D., Ager, C., Wirtz, A., Popp, A., Wall, W.A., Wagner, B. (2019): An academic approach to the multidisciplinary development of liquid oxygen turbopumps for space applications, CEAS Space Journal, 11:193-203, DOI Wunderlich, L., Seitz, A., Alaydin, M.D., Wohlmuth, B., Popp, A. (2019): Biorthogonal splines for optimal weak patch-coupling in isogeometric analysis with applications to finite deformation elasticity, Computer Methods in Applied Mechanics and Engineering, 346:197-215, DOI Meier, C., Popp, A., Wall, W.A. (2019): Geometrically exact finite element formulations for slender beams: Kirchhoff-Love theory vs. Simo-Reissner theory, Archives of Computational Methods in Engineering, 26:163-243, DOI Hiermeier, M., Wall, W.A., Popp, A. (2018): A truly variationally consistent and symmetric mortar-based contact formulation for finite deformation solid mechanics, Computer Methods in Applied Mechanics and Engineering, 342:532-560, DOI Seitz, A., Wall, W.A., Popp, A. (2018): A computational approach for thermo-elasto-plastic frictional contact based on a monolithic formulation employing non-smooth nonlinear complementarity functions, Advanced Modeling and Simulation in Engineering Sciences, 5:5, DOI (Open Access) Fang, R., Farah, P., Popp, A., Wall, W.A. (2018): A monolithic, mortar-based interface coupling and solution scheme for finite element simulations of lithium-ion cells, International Journal for Numerical Methods in Engineering, 114:1411-1437, DOI Meier, C., Grill, M.J., Wall, W.A., Popp, A. (2018): Geometrically exact beam elements and smooth contact schemes for the modeling of fiber-based materials and structures, International Journal of Solids and Structures, 154:124-146, DOI Farah, P., Wall, W.A., Popp, A. (2018): A mortar finite element approach for point, line and surface contact, International Journal for Numerical Methods in Engineering, 114:255-291, DOI Wiesner, T.A., Popp, A., Gee, M.W., Wall, W.A. (2018): Algebraic multigrid methods for dual mortar finite element formulations in contact mechanics, International Journal for Numerical Methods in Engineering, 114:399-430, 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 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., 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., 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. (2016): 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 mortar approach with dual Lagrange multipliers 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 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., 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 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

 Artikel in begutachteten Büchern und Konferenzbänden (mit Peer-Review)

Steimer, C., Mayr, M., Popp, A. (2023): Targeting a faster time-to-solution of mortar based contact problems, In: Proceedings in Applied Mathematics and Mechanics, 23:e202300157, DOI (Open Access)  Milani, R., Sahin, T., von Danwitz, M., Moll, M., Popp, A., Pickl, S. (2023): Automatic concrete bridge crack detection from strain measurements: A preliminary study. In: Critical Information Infrastructures Security. CRITIS 2022. Lecture Notes in Computer Science, vol 13723, Hämmerli, B., Helmbrecht, U., Hommel, W., Kunczik, L., Pickl, S. (Eds) . Springer, Cham, Germany, DOI (Open Access) Firmbach, M., Steinbrecher, I., Popp, A., Mayr, M. (2023): Computational challenges in mixed-dimensional beam/solid coupling, In: Proceedings in Applied Mathematics and Mechanics, 22:e202200227, DOI (Open Access) von Danwitz, M., Kochmann, T.T., Sahin, T., Wimmer, J., Braml, T., Popp, A. (2023): Hybrid digital twins: A proof of concept for reinforced concrete beams, In: Proceedings in Applied Mathematics and Mechanics, 22:e202200146, DOI (Open Access)   Hesch, C., Khristenko, U., Krause, R., Popp, A., Seitz, A., Wall, W.A., Wohlmuth, B. (2022): Frontiers in mortar methods for isogeometric analysis, In: Non-standard Discretisation Methods in Solid Mechanics, Lecture Notes in Applied and Computational Mechanics, vol 98., J. Schröder, P. Wriggers (eds.), Springer, Cham, Germany, DOI , arXiv Popp, A., Steinbrecher, I. (2022): Finite element formulations for beam-to-solid interaction - From embedded fibers towards contact, In: Current Trends and Open Problems in Computational Mechanics, 425-434, F. Aldakheel et al. (Eds.), Springer-Verlag, Germany, DOI (Open Access) Hagmeyer, N., Mayr, M., Popp, A. (2021): Fluid-structure interaction of slender continua with 3-dimensional flow: An embedded finite element approach, In: Proceedings in Applied Mathematics and Mechanics, 20(1):e202000244, DOI (Open Access) Mayr, M., Popp, A. (2021): Dynamic load balancing for large-scale mortar contact formulations, In: Proceedings in Applied Mathematics and Mechanics, 20(1):e202000196, DOI (Open Access) Steinbrecher, I., Popp, A. (2021): Efficient mortar-based algorithms for embedding 1D fibers into 3D volumes, In: Proceedings in Applied Mathematics and Mechanics, 20(1):e202000151, DOI (Open Access) Backmann, V., Klingenbeck, J., Popp, A., Drechsler, K. (2021): Influence on the strain rate at room temperature of a silicone rubber used as fiber placement roller jacket, SAMPE Europe Conference 2021, Baden/Zürich, Switzerland Steinbrecher, I., Popp, A. (2019): Mesh tying and contact algorithms for nonlinear beam-to-solid interactions, In: Proceedings of the 8th GACM Colloquium on Computational Mechanics, T. Gleim, S. Lange (Eds.), Kassel University Press, Germany Popp, A., Wunderlich, L., Seitz, A., Wohlmuth, B. (2019): Isogeometric dual mortar methods for computational contact and interface mechanics, In: Proceedings of the 8th GACM Colloquium on Computational Mechanics, T. Gleim, S. Lange (Eds.), Kassel University Press, Germany Mayr, M., Popp, A. (2019): Solving computational contact problems efficiently at large scale, In: Proceedings of the 8th GACM Colloquium on Computational Mechanics, T. Gleim, S. Lange (Eds.), Kassel University Press, Germany Hagmeyer, N., Mayr, M., Popp, A. (2019): A weak Dirichlet-Neumann partitioned algorithm for 1-dimensional structures embedded in a 3-dimensional fluid, In: Proceedings of the 8th GACM Colloquium on Computational Mechanics, T. Gleim, S. Lange (Eds.), Kassel University Press, Germany Bonari, J., Marulli, M.R., Hagmeyer, N., Mayr, M., Popp, A., Paggi, M. (2019): An interface element formulation for frictionless normal contact between rough surfaces, In: Proceedings of the 8th GACM Colloquium on Computational Mechanics, T. Gleim, S. Lange (Eds.), Kassel University Press, Germany Popp, A. (2018): State-of-the-art computational methods for finite deformation contact modeling of solids and structures, In: Contact Modeling for Solids and Particles, 585:1-86, A. Popp, P. Wriggers (Eds.), Springer International Publishing, Switzerland Popp, A., Gee, M.W., Wall, W.A. (2013): Mortar methods for single-field and multi-field applications in computational mechanics, In: Sustained Simulation Performance 2012, 133-154, M. Resch et al. (Eds.), Springer-Verlag, Germany Popp, A., Gee, M.W., Wall, W.A. (2013): A primal-dual active set strategy for finite defor-mation dual mortar contact, In: Lecture Notes in Applied and Computational Mechanics, 56:151-171, G.E. Stavroulakis (Ed.), Springer-Verlag, Germany 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 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 Popp, A., Gee, M.W., Wall, W.A. (2010): Finite deformation contact based on a 3D dual mortar and semi-smooth Newton approach, In: Lecture Notes in Applied and Computational Mechanics, 58:57-77, G. Zavarise, P. Wriggers (Eds.), Springer-Verlag, Germany 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

 Sonstige Artikel und Buchbeiträge

Neumann, P., Duffek, J.A., Kleinschmidt, J., Leinen, W.G., Breuer, M., Schmidt-Lauff, S., Fink, A., Mayr, M., Firmbach, M., Popp, A., Auwetter, A. (2022): hpc.bw - A supercomputer with competence platform for the universities of the federal armed forces, In: dtec.bw-Beiträge der Helmut-Schmidt-Universität / Universität der Bundeswehr Hamburg, 1:305-310, D. Schulz et al. (Eds.), Hamburg, Germany, DOI (Open Access) Popp, A., Wall, W.A. (2013): Mortar methods for computational contact mechanics and general interface problems, IACM expressions, 33:10-13 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 / TR 40, Proceedings of the Summer Program 2011, A. Adams et al. (Eds.), München, Germany Klöppel, T., Popp, A., Wall, W.A. (2010): Fluid-structure interaction for non-conforming interfaces based on a dual mortar formulation, In: DFG Sonderforschungsbereich / TR 40, Annual Report 2010, N.A. Adams et al. (Eds.), München, Germany

 Ausgewählte Vorträge und Präsentationen

RISK.twin - Digital twins for critical infrastructure protection, invited, Research Seminar on Non-Destructive Testing, TUM School of Engineering and Design, Technical University of Munich, Munich, Germany,  January 18, 2024 1D-3D mixed-dimensional modeling for nonlinear problems in solid/structural mechanics and fluid-structure interaction, contributed, 2nd German-Brazilian Workshop on Computational Mechanics (GBWCM), Hamburg, Germany, November 9-11, 2023 Scalability of nonlinear problems in contact mechanics and mixed-dimensional coupling – From computational strategies to multigrid solvers, invited (plenary lecture), 10th GACM Colloquium on Computational Mechanics (GACM), Vienna, Austria, September 11-13, 2023 Physics-informed neural networks for contact mechanics, contributed, 7th International Conference on Computational Contact Mechanics (ICCCM), Torino, Italy, July 5-7, 2023 Mixed-dimensional coupling in solid and structural mechanics: From embedded fibers to contact and fluid-beam interaction, invited, Internal Research Seminar, Department of Mechanical Engineering, Boston University, Boston, USA, May 19, 2023 RISK.twin: Digital twins for critical infrastructure protection, invited (keynote lecture), Annual Meeting of the DFG Collaborative Research Center SFB/TRR 339 - Digital twin of the road system, Radebeul, Germany, October 11-12, 2022 Consistent coupling of 1D Cosserat beams and 3D solid bodies - From embedded fibers towards contact, invited, 15th World Congress on Computational Mechanics (WCCM 2022) & 8th Asian Pacific Congress on Computational Mechanics (APCOM 2022), Online Conference, July 31 - August 5, 2022 Thermomechanical contact and friction with large deformations: Mortar method vs. Nitsche’s method, contributed, 10th Contact Mechanics International Symposium (CMIS2022), Chexbres, Switzerland, May 23-25, 2022 RISK.twin: Hybride digitale Zwillinge für den Schutz kritischer Infrastrukturen, invited, DWT SGW Tagung Angewandte Forschung für Verteidigung und Sicherheit in Deutschland, Bonn, Germany, March 8-10, 2022 Mixed-dimensional coupling of 1D geometrically exact beam finite elements and 3D continua for engineering applications, invited, Workshop 2204: Multiscale coupled models for complex media, Oberwolfach Research Institute for Mathematics (MFO), Oberwolfach, Germany, January 23-29, 2022, DOI (Open Access) Non-standard discretization schemes for thermomechanical contact problems: Mortar vs. Nitsche and FEM vs. IGA, invited, 6th ECCOMAS Young Investigators Conference (YIC2021), Online Conference, July 7-9, 2021 Computational contact and interface mechanics: From the fundamentals to mortar finite element methods, invited (keynote lecture), ECCOMAS Young Investigators Conference 2021 Pre-Conference Workshops, Online Course, July 6, 2021 What do computational contact mechanics and embedded fiber modeling have in common?, invited, Institute of Structural Analysis, TU Dresden, Online Research Seminar, May 5, 2021 Beyond classical solid mechanics: Wear, thermomechanical contact and beam-to-beam contact, invited, ANSYS Inc. Canonsburg (USA), Online Research Seminar, April 30, 2021 The mortar approach: State-of-the-art FEM and IGA models and high-performance computing for contact, invited, ANSYS Inc. Canonsburg (USA), Online Research Seminar, April 16, 2021 Computational contact and interface mechanics: The fundamentals and selected trends, invited, ANSYS Inc. Canonsburg (USA), Online Research Seminar, March 19, 2021 Beam-to-solid interaction: From embedded fibers towards contact, contributed, 91st Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2021), Online Conference, March 15-19, 2021 Nitsche's method for finite deformation thermomechanical contact and friction, invited, 14th World Congress on Computational Mechanics (WCCM) and ECCOMAS Congress 2020, Online Conference, January 11-15, 2021, Video  Computational contact and interface mechanics: Fundamentals and selected trends in the simulation of contact problems, invited (keynote lecture), CISM Webinar on Advanced Topics in Computational Mechanics, Online Course, December 7-10, 2020 Nonlinear finite element methods and computational contact mechanics, invited (keynote lecture), ECCOMAS Advanced Course on Computational Structural Dynamics, Online Course, September 1-4, 2020 Scalable algorithms for high-performance computing in computational contact mechanics, invited, 5th German-Japanese Workshop on Computational Mechanics, Dresden, Germany, September 23-24, 2019 Isogeometric mortar methods for optimal weak patch-coupling and contact analysis in finite deformation elasticity, invited (plenary lecture), 5th ECCOMAS Young Investigators Conference (YIC2019), Cracow, Poland, September 1-6, 2019 Isogeometric dual mortar methods for computational contact and interface mechanics, invited, 8th GACM Colloquium on Computational Mechanics (GACM2019), Kassel, Germany, August 28-30, 2019 A comprehensive high-performance computing toolbox for mortar contact formulations, invited (plenary lecture), 6th International Conference on Computational Contact Mechanics (ICCCM), Hannover, Germany, July 3-5, 2019 From fundamental science to industrial application: Selected trends in the computer-based simulation of contact problems, invited (keynote lecture), 29th ANSYS User Club e.V. Workshop, Aichach / Augsburg, Germany, May 16-17, 2019 Quo vadis computational mechanics?, invited, 39th TechNet Alliance Spring Meeting, Rotterdam, The Netherlands, May 3-4, 2019 Structural mechanics of endovascular stent grafts, contributed, 90th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM2019), Vienna, Austria, February 18-22, 2019 A mortar finite element approach for modeling point, line and surface contact, invited, 13th World Congress on Computational Mechanics (WCCM2018), New York City, USA, July 22-27, 2018 Truly variationally consistent mortar-based contact formulation for finite deformation solid mechanics, invited, 6th European Conference on Computational Mechanics (ECCM-ECFD2018), Glasgow, Scotland, June 11-15, 2018 Nonlinear finite element methods and computational contact mechanics, invited (keynote lecture), ECCOMAS Advanced Course on Computational Structural Dynamics, Prague, Czech Republic, June 4-8, 2018 Mortar finite element methods for interface problems in nonlinear solid mechanics, invited, Computational Solid Mechanics Lab Seminar Series, EPFL Lausanne, Lausanne, Switzerland, December 5, 2017 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 (ICCCM), 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 lecture), 7th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS2016), Hersonissos, Greece, June 5-10, 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 Int. Conference on Computational Contact Mechanics (ICCCM), 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 (WCCM), 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 (CMIS), 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 (ICCCM), Lecce, Italy, July 10-12, 2013 Parallel efficiency and dynamic 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 fluid-structure interaction, invited, 84th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Novi Sad, Serbia, March 18-22, 2013 Mortar finite element methods for general interfaces in solid mechanics, fluid mechanics and coupled problems, invited (keynote lecture), SPOMECH Workshop, Ostrava, Czech Republic, November 21-23, 2012 Dual mortar approach and semi-smooth Newton methods for computational contact mechanics, invited (keynote lecture), SPOMECH Workshop, 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 (WCCM), São Paulo, Brazil, July 8-13, 2012 Computational contact mechanics in multiphysics environ-ments, invited (plenary lecture), given by W.A. Wall, 10th World Congress on Computational Mechanics (WCCM), São Paulo, Brazil, July 8-13, 2012 3D computational contact analysis using quadratic mortar finite element methods and dual Lagrange multiplier spaces, contributed, 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, 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), 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 (ICCCM), 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 (FEF), 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 (DDM), San Diego, USA, February 7-11, 2011 A computational approach for fluid-structure-contact interaction and elastohydrodynamic lubrication, contributed, 8th Euromech Fluid Mechanics Conference (EFMC), 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 (ECCM), 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 (ICCCM), 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), 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 (CMIS), 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