Jennifer Böltz: Algorithmic extraction of 1D curves based on CT scans of fiber-reinfoced concrete, Student project (2021)
Willi Helbig: Oriented random rotations for the modelling of fiber-reinforced materiales, Student project (2020)
Dao Viet Anh: Modellierung und Simulation von faserverstärktem Beton anhand realer 3D-Computertomografie-Scans, Master thesis (2020)
Dao Viet Anh: Modellierung von Balken-, Festkörper-Interaktionen mit der Finite-Elemente-Methode, Bachelor thesis (2018)
Education
since 2018, Scientific Assistant at the Institute of Mathematics and Computer-Based Simulation (IMCS), UniBw Munich, Germany
2015-2017, Research Assistant at the Institute of Technical Mechanics, JKU Linz, Austria
2015, Master of Science, Mechanical Engineering, Vienna University of Technology, Austria
Honors and Awards
2021
Robert J. Melosh Medal, Duke University,
2019
GACM Best Poster Award, 8th GACM Colloquium on Computational Mechanics, Kassel, Germany, August 28-30, 2019, PDF
Research Interests
Finite element methods (FEM)
Beam-to-solid interactions
Fiber-reinforced composite plate
Fiber-reinforced pipe under pressure
Axially moving continua
Computational solid and structural dynamics
High performance computing (HPC)
Publications
Preprints and Articles Submitted for Publication
Steinbrecher, I., and Humer, A.: A Space-Time Finite Element Formulation for Geometrically Exact Shear-Deformable Beams, Preprint, submitted for publication, arXiv
Articles in Peer-Reviewed Journals
Firmbach, M., Steinbrecher, I., Popp, A., Mayr, M. (2027): Modified augmented Lagrangian preconditioning for mixed-dimensional beam-solid coupling, Computer Methods in Applied Mechanics and Engineering, 463:119425, DOI (Open Access)
Steinbrecher, I., Hagmeyer, N., Meier, C., and Popp, A. (2026): A Variationally Consistent Beam-to-Beam Point Coupling Formulation for Geometrically Exact Beam Theories, Acta Mechanica, DOI (Open Access)
Villeda, E. G. L., Steinbrecher, I., and Popp, A. (2026): An Embedded Mesh Approach for Isogeometric Boundary Layers in Contact Mechanics, Computer Methods in Applied Mechanics and Engineering, 461, p. 119207, DOI (Open Access)
Humer, A., Steinbrecher, I., and Pechstein, A. (2026): Mixed Finite Elements for Geometrically Exact Beams Using Discontinuous Rotations and Discrete Curvature, Acta Mechanica, DOI (Open Access)
Datz, J.C., Steinbrecher, I., Krefting, J., Engel, L.-C., Popp, A., Pfaller, M.R., Schunkert, H., Wall, W.A. (2026): Influence of coronary plaque morphology on local mechanical states and associated in-stent restenosis, Journal of Biomechanical Engineering, submitted for publication, DOI (Open Access) , arXiv
Steinbrecher, I., Hagmeyer, N., Meier, C., Popp, A. (2025): A consistent mixed-dimensional coupling approach for 1D Cosserat beams and 2D solid surfaces, Computational Mechanics, 76(5), pp. 1233–1260, DOI (Open Access) , arXiv
Ranno, A., Manjunatha, K., Koritzius, T., Steinbrecher, I., Hosters, N., Nachtsheim, M., Nilcham, P., Schaaps, N., Turoni-Glitz, A., Datz, J., Popp, A., Linka, K., Vogt, F., Behr, M. (2025): Computational model of coronary arteries with in-stent restenosis: Mutual influence of hemodynamics, growth mechanics and pharmacokinetics, Scientific Reports, DOI (Open Access)
Datz, J.C., Steinbrecher, I., Meier, C., Hagmeyer, N., Engel, L.-C., Popp, A., Pfaller, M.R., Schunkert, H., Wall, W.A. (2025): Patient-specific coronary angioplasty simulations - A mixed-dimensional finite element modeling approach, Computers in Biology and Medicine, 189:109914, DOI (Open Access) , arXiv
Firmbach, M., Steinbrecher, I., Popp, A., Mayr, M. (2024): Physics-based block preconditioning for mixed-dimensional beam-solid interaction, Computer Methods in Applied Mechanics and Engineering, accepted for publication, DOI (Open Access)
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, DOI
Steinbrecher, I., Popp, A., Meier, C. (2022): Consistent coupling of positions and rotations for embedding 1D Cosserat beams into 3D solid volumes, Computational Mechanics, DOI (Open Access) , poster
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, DOI (Open Access) , poster
Humer, A., Steinbrecher, I., Vu-Quoc, L., (2020): General sliding-beam formulation: A non-material description for analysis of sliding structures and axially moving beams, Journal of Sound and Vibration, DOI (Open Access)
Oborin, E., Vetyukov, Y., Steinbrecher, I., (2018): Eulerian description of non-stationary motion of an idealized belt-pulley system with dry friction, International Journal of Solids and Structures, DOI
Steinbrecher, I., Humer, A., Vu-Quoc, L., (2017): On the numerical modeling of sliding beams: A comparison of different approaches., Journal of Sound and Vibration, Pages 270-290, DOI (Open Access)
International Conference Contributions
Steinbrecher, I., Popp, A.: Mixed-dimensional contact interactions between 1D beams and 2D solid surfaces, 92nd Annual Meeting of the International Association of Applied Mathematics and Mechanics, Aachen, Germany, August 15 - 19, 2022
Steinbrecher, I., Popp, A.: Mixed-dimensional coupling between 1D Cosserat continua and 3D solids: From embedded fibers towards contact, 8th European Congress on Computational Methods in Applied Sciences and Engineering, Oslo, Norway, June 5-9, 2022
Steinbrecher, I., Popp, A.: Nonlinear finite element formulations for mixed-dimensional beam-to-solid interactions, contributed, 10th Contact Mechanics International Symposium (CMIS2022), Chexbres, Switzerland, May 23-25, 2022
Steinbrecher, I., Meier, C., Popp, A.: Embedding of 1D beams into 3D solid volumes - Translational and rotational coupling, invited, 6th ECCOMAS Young Investigators Conference (YIC2021), Online Conference, July 7-9, 2021
Steinbrecher, I., Meier, C., Popp, A.: A mortar-type finite element approach for full coupling of 1D Cosserat structures embedded inside 3D volumes, invited, 9th International Conference on Coupled Problems in Science and Engineering, Virtual Congress, June 13 - 16, 2021
Steinbrecher, I.: Mortar-type methods for beam-to-solid surface coupling and contact, contributed, ECCOMAS Congress 2020 & 14th WCCM, Virtual Congress, January 11-15, 2021
Steinbrecher, I., Popp, A.: Mesh Tying and Contact Algorithms for Nonlinear Beam-to-Solid Interactions, 8th GACM Colloquium on Computational Mechanics, Kassel, Germany, August 28-30, 2019
Steinbrecher, I., Popp, A.: A Set of New Mesh Tying and Contact Formulations for Beam-to-Solid Interaction, 6th International Conference on Computational Contact Mechanics (ICCCM), Hannover, Germany, July 3-5, 2019
Popp, A., Steinbrecher, I., Meier, C., (2018): Beam-to-solid contact interaction in stent graft modeling for endovascular repair, 9th Contact Mechanics International Symposium (CMIS), Oropa, Italy, May 16-18, 2018
Steinbrecher, I., Humer, A., Vu-Quoc, L.: Dynamic Modeling of Beam-to-Pulley Contact, 13 th ASME International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), Cleveland, USA, August 2017
Steinbrecher, I., Humer, A., Vu-Quoc, L.: Complete modeling of the dynamics of sliding beams with large deformation, 3 rd Polish Congress of Mechanics (PCM), 21 st International Conference on Computer Methods in Mechanics (CCM), Gdańsk, Poland, September 2015
Peer-Reviewed Proceedings and Book Contributions
Popp, A.,Steinbrecher, I. (2021): Finite Element Formulations for Beam-to-Solid Interaction - From Embedded Fibers Towards Contact, arXiv
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
Posters
Conference posters
Steinbrecher, I., Popp, A.: Mesh Tying and Contact Algorithms for Nonlinear Beam-to-Solid Interactions, 8th GACM Colloquium on Computational Mechanics, Kassel, Germany, August 28-30, 2019 PDF
Paper posters
Steinbrecher, I., Popp, A., Meier, C.: Consistent coupling of positions and rotations for embedding 1D Cosserat beams into 3D solid volumes (2022), PDF
Steinbrecher, I., Mayr, M., Grill, M. J., Kremheller, J., Meier, C., Popp, A.: A mortar-type finite element approach for embedding 1D beams into 3D solid volumes (2020), PDF
Software
Steinbrecher, I., Popp, A.: MeshPy: A general purpose 3D beam finite element input generator, 2021, gitlab.com
Steinbrecher, I.: LaTeX2AI: A LaTeX Plugin for Adobe Illustrator, 2020, github.com