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Pfaffenwaldring 9
70569 Stuttgart
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Room: 4.155
Subject
2024
- Rettberg, J., Wittwar, D., Buchfink, P., Herkert, R., Fehr, J., & Haasdonk, B. (2024). Improved a posteriori error bounds for reduced port-Hamiltonian systems. Advances in Computational Mathematics, 50(5), Article 5. https://doi.org/10.1007/s10444-024-10195-8
- Rettberg, J., Kneifl, J., Herb, J., Buchfink, P., Fehr, J., & Haasdonk, B. (2024). Data-driven identification of latent port-Hamiltonian systems. https://doi.org/10.48550/arXiv.2408.08185
- Herkert, R., Buchfink, P., Haasdonk, B., Rettberg, J., & Fehr, J. (2024). Error Analysis of Randomized Symplectic Model Order Reduction for Hamiltonian systems. https://doi.org/10.48550/arXiv.2405.10465
- Herkert, R., Buchfink, P., Haasdonk, B., Rettberg, J., & Fehr, J. (2024). Randomized Symplectic Model Order Reduction for Hamiltonian Systems. In I. Lirkov & S. Margenov (Eds.), Large-Scale Scientific Computations (pp. 99--107). Springer Nature Switzerland. https://doi.org/10.1007/978-3-031-56208-2_9
2023
- Rettberg, J., Wittwar, D., Buchfink, P., Brauchler, A., Ziegler, P., Fehr, J. C., & Haasdonk, B. (2023). Port-Hamiltonian fluid–structure interaction modelling and structure-preserving model order reduction of a classical guitar. Mathematical and Computer Modelling of Dynamical Systems, 29(1), Article 1. https://doi.org/10.1080/13873954.2023.2173238
- Rettberg, J., Wittwar, D., Buchfink, P., Herkert, R., Fehr, J., & Haasdonk, B. (2023). Improved a posteriori Error Bounds for Reduced port-Hamiltonian Systems. https://doi.org/10.48550/arXiv.2303.17329
- Herkert, R. R., Buchfink, P., Haasdonk, B., Rettberg, J., & Fehr, J. C. (2023). Randomized Symplectic Model Order Reduction for Hamiltonian Systems. 1–8. https://doi.org/10.48550/arXiv.2303.04036
2022
- Rettberg, J., Wittwar, D., Buchfink, P., Brauchler, A., Ziegler, P., Fehr, J. C., & Hassdonk, B. (2022). Port-Hamiltonian Fluid-Structure Interaction Modeling and Structure-Preserving Model Order Reduction of a Classical Guitar. 1–27. https://doi.org/10.48550/arXiv.2203.10061
- Kneifl, Jonas; Rettberg, Johannes; Herb, Julius, 2024, "ApHIN - Autoencoder-based port-Hamiltonian Identification Networks (Software Package)",
Github: https://github.com/Institute-Eng-and-Comp-Mechanics-UStgt/ApHIN
DARUS: https://doi.org/10.18419/darus-4446, V1 - Kneifl, Jonas; Rettberg, Johannes; Fehr, Jörg, 2024, "Coupled thermo-mechanical simulation results of a finite element discbrake", https://doi.org/10.18419/darus-4418, DaRUS, V1
- Rettberg, Johannes; Wittwar, Dominik; Herkert, Robin, 2023, "Softwarepackage CCMOR2", https://doi.org/10.18419/darus-3839, DaRUS, V1
- Replication Data for: Port-Hamiltonian Fluid-Structure Interaction Modeling and Structure-Preserving Model Order Reduction of a Classical Guitar (DARUS: https://doi.org/10.18419/darus-3248)
- 10. September 2024: Model Reduction and Surrogate Modeling (MORE) Conference, San Diego,
"Data-driven identification of reduced port-Hamiltonian systems" - 15. July 2024: ITM Statusseminar, Monbachtal (Bad Liebenzell), "Optimization-based identification of port-Hamiltonian systems"
- 04. March 2024: Young Mathemations in Model Order Reduction Conference 2024 (YMMOR), Stuttgart: "Structure-preserving model order reduction and error analysis of port-Hamiltonian systems"
- 29. September 2023: GMA Technical Commitee 2.13, Anif,
"Low-dimensional identification of port-Hamiltonian systems by means of deep learning and model reduction." - 18. July 2023: ITM Statusseminar, Kloster Schmerlenbach, Hösbach, "A Story About Model Order Reduction, Error Estimation & port-Hamiltonian systems"
- 05. June 2023: ECCOMAS Coupled 2023, Crete, Greece,
"Low-Dimensional Discovery of Port-Hamiltonian Systems by Combining Model Order Reduction and Machine Learning." - 27. July 2022: ITM Statusseminar, Kloster Schmerlenbach, Hösbach; "The journey continuous… Crest of the PH ALP"
- 30. September 2021: DMV-ÖMG Annual Conference 2021, Passau (Online),
"Sensitivity Analysis of Structure-Preserving Model Order Reduction Methods for a Fluid-Structure Interaction Guitar Model in port-Hamiltonian Formulation." - 25. November 2021: ITM Statusseminar, Monbachtal (Bad Liebenzell), "The journey of a classical guitar to Port Hamiltonian"
- 22. September 2021: GMA Technical Commitee 1.30, Anif,
"Modeling and Structure-Preserving Model Order Reduction of a Classical Guitar in port-Hamiltonian Representation." - 16. June 2021: ECCOMAS Coupled 2021, Sardinia (Online),
"Structure-Preserving Model Order Reduction for a port-Hamiltonian-based Fluid-Structure Interaction Model of a Classical Guitar."
- 10. September 2024: Model Reduction and Surrogate Modeling (MORE) Conference, San Diego,
"Data-driven identification of reduced port-Hamiltonian systems" - 15. Juli 2024: ITM Statusseminar, Monbachtal (Bad Liebenzell), "Optimization-based identification of port-Hamiltonian systems"
- 29. September 2023: GMA-Fachausschuss 2.13, Anif,
"Low-dimensional identification of port-Hamiltonian systems by means of deep learning and model reduction." - 18. Juli 2023: ITM Statusseminar, Kloster Schmerlenbach, Hösbach, "A Story About Model Order Reduction, Error Estimation & port-Hamiltonian systems"
- 05. Juni 2023: ECCOMAS Coupled 2023, Kreta, Griechenland,
"Low-Dimensional Discovery of Port-Hamiltonian Systems by Combining Model Order Reduction and Machine Learning." - 27. Juli 2022: ITM Statusseminar, Kloster Schmerlenbach, Hösbach; "The journey continuous… Crest of the PH ALP"
- 30. September 2021: DMV-ÖMG Jahrestagung 2021, Passau (Online),
"Sensitivity Analysis of Structure-Preserving Model Order Reduction Methods for a Fluid-Structure Interaction Guitar Model in port-Hamiltonian Formulation." - 25. November 2021: ITM Statusseminar, Monbachtal (Bad Liebenzell), "The journey of a classical guitar to Port Hamiltonian"
- 22. September 2021: GMA-Fachausschuss 1.30, Anif,
"Modeling and Structure-Preserving Model Order Reduction of a Classical Guitar in port-Hamiltonian Representation." - 16. Juni 2021: ECCOMAS Coupled 2021, Sardinia (Online),
"Structure-Preserving Model Order Reduction for a port-Hamiltonian-based Fluid-Structure Interaction Model of a Classical Guitar."
- October 05, 2023: International Conference on Data-Integrated Simulation Science (SimTech2023), Stuttgart; "Low-Dimensional Discovery of Port-Hamiltonian Systems Combining Model Order Reduction and Machine Learning"
- September 21, 2022: Model Reduction and Surrogate Modeling (MORE) Conference, Technical University Berlin; "Effective A-posteriori Error Estimation for Port-Hamiltonian Systems"
- Development and implementation of a multi-physics co-simulation environment with model order reduction using the example of a thermoelastic disc brake, Forschungsarbeit. Institute of Engineering and Computational Mechanics, University of Stuttgart, 2023.
In co-supervision with Lennart Frie, M.Sc. - Implementation of the floating frame of reference formulation in a port-Hamiltonian representation, Master thesis.
University of Stuttgart, Institute of Engineering and Computational Mechanics, 2023.
In co-supervision with Arnim Kargl, M.Sc. - Low-Dimensional Discovery of Port-Hamiltonian Systems by Combining Model Order Reduction and Machine Learning, Research module SimTech.
University of Stuttgart, Institute of Engineering and Computational Mechanics, 2023.
In co-supervision with Jonas Kneifl, M.Sc. - Model order reduction of a thermo-mechanical disc brake in a port-Hamiltonian representation, Master Thesis.
University of Stuttgart, Institute of Engineering and Computational Mechanics, 2021.
In co-supervision with Fabian Matter, M.Sc.
- Teaching Assistant of the lecture Flexible Multibody Systems (SS 2022)
- Teaching Assistant of the lecture Flexible Multibody Systems (SS 2023)
- Supervision of the Practical Training Robot Kinematics (SS 2021)
- Supervision of the Practical Training Robot Kinematics (WT 2020/21)
- Supervision of the Practical Training Robot Kinematics (WT 2021/22)
- Supervision of the Practical Training Robot Kinematics (WT 2022/23)
- Supervision of the Practical Training Robot Kinematics (WT 2023/24)
- Supervision of the seminar in Applied Mechanics I (WT 2022/2023)