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M.Sc. Jonas Boungard
Research Assistant
Image: Justin Hofmann
- Telephone
- +49 561 804-2253
- boungard[at]uni-kassel[dot]de
- Consultation Hours
- Consultation Hours
- Location
- Mönchebergstr. 7
34125 Kassel
- Room
- 3523
- Consultation Hours
Monday: 14:00–15:30
Thursday: 14:00–15:30
Research interests
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Finite element method Development of the in-house code dockSIM Kinematics of rigid structures Nonlinear constraints |
Publications
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Boungard, J., & Wackerfuß, J. (2024). Master-slave elimination scheme for arbitrary smooth nonlinear multi-point constraints. Computational Mechanics, 2024(Vol. 74, Issue 5), 955–992. https://doi.org/10.1007/s00466-024-02463-7 https://forschung.uni-kassel.de/converis/portal/detail/Publication/185832429 |
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Wackerfuß, J., & Boungard, J. (2024). On the embedding of nonlinear multipoint constraints in the finite element method. In ECCOMAS (Hrsg.), The 9th European Congress on Computational Methods in Applied Sciences and Engineering ECCOMAS Congress 2024, 3–7 June 2024, Lisboa, Portugal (S. tba). Lissabon. https://doi.org/10.23967/eccomas.2024.234 https://forschung.uni-kassel.de/converis/portal/detail/Publication/190271260 |
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Wackerfuß, J., & Boungard, J. (2024). A computationally efficient method for considering a large number of nonlinear multi-point constraints within the finite element method. In A. Korobenko, M. Laforest, S. Prudhomme, & R. Vaziri (Hrsg.), 16th World Congress in Computational Mechanics (WCCM) 21-26 July 2024, Vancouver, Canada (S. tba). Vancouver. https://forschung.uni-kassel.de/converis/portal/detail/Publication/190272637 |
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Boungard, J., & Wackerfuß, J. (2023). Consideration of nonlinear multipoint constraints in finite element analyses based on a master-slave elimination scheme operating at the global level. In GAMM (Hrsg.), PAMM Proceedings in Applied Mathematics and Mechanics (Bd. 22, S. e202200311). Wiley Online Library. https://doi.org/10.1002/pamm.202200311 https://forschung.uni-kassel.de/converis/portal/detail/Publication/109535263 |
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Boungard, J., & Wackerfuß, J. (2021). Derivation of Analytical, Closed-form Formulas for the Calculations of Instantaneous Screw Axes of Arbitrary Rigid 3D Multi-Body Systems. In International Association of Applied Mathematics and Mechanics (GAMM) (Hrsg.), PAMM Proceedings in Applied Mathematics and Mechanics (Bd. 20, S. e202000103). Wiley Online Library. https://doi.org/10.1002/pamm.202000103 https://forschung.uni-kassel.de/converis/portal/detail/Publication/65204088 |
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Wackerfuß, J., & Boungard, J. (2020). Methoden zur Beurteilung der statischen Brauchbarkeit von Tragwerken. In M. Bischoff & M. von Scheven (Hrsg.), Berichte der Fachtagung Baustatik - Baupraxis 14 : 23. und 24. März 2020, Universität Stuttgart (S. 651–658). Stuttgart: Institut für Baustatik und Baudynamik, Universität Stuttgart. https://doi.org/10.18419/opus-10762 https://forschung.uni-kassel.de/converis/portal/detail/Publication/63035222 |
Presentations
| 03/2024 | Time-varying constraints in structural analysis: challenges, new methodology and applications | 15th Symposium on Structural Analysis – Building Practice, Hamburg |
| 03/2024 | Mathematical Foundations of the Master-Slave Elimination for Arbitrary Nonlinear Multi-Point Constraints | 94th GAMM Annual Meeting, Magdeburg |
| 09/2023 | Numerically stable algorithm for an automatic detection and elimination of redundant nonlinear constraints and its embedding in the Lagrange multiplier, penalty and master-slave elimination methods | 10th GACM Colloquium on Computational Mechanics, Vienna |
| 07/2023 | New methods for nonlinear constraints in the FEM: Elimination of redundancies and master-slave elimination | 150th North German Mechanics Colloquium, Kassel |
| 09/2022 | Consideration of nonlinear constraints in nonlinear finite element analyses using master-slave elimination at system level | Baustatik Baupraxis e.V. research colloquium, Kloster Steinfeld |
| 08/2022 | On the consideration of nonlinear multipoint constraints in nonlinear finite element analyses based on a master-slave elimination scheme operating at the global level | 92nd GAMM Annual Meeting, Aachen |
| 03/2021 | Derivation of Analytical, Closed-form Formulas for the Calculations of Instantaneous Screw Axes of Arbitrary Rigid 3D Multi-Body Systems | 91st GAMM Annual Meeting, Kassel |
| 02/2020 | Two-step method for determining the instantaneous and relative instantaneous screw axes in the context of rigid 3D multibody systems | 145th North German Mechanics Colloquium, Hanover |
| 03/2018 | Modeling and simulation of the groundwater level with respect to weirs and river water levels | 89th GAMM Annual Meeting, Munich |
Awards
| Award for student volunteer work by AuF BAU e.V. |
| Scholar of the German Academic Scholarship Foundation, from 04/2017 to 03/2019 |
Curriculum vitae
Since 04/2019
10/2017 – 03/2019
09/2018 – 02/2019
10/2016 – 09/2017
10/2013 – 09/2017
09/2012 – 08/2013
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Teaching Activity
| SS 2024 |
Structural Analysis II, Exercise Finite Element Methods in Structural Analysis I, Exercise |
| WS 2023/2024 | Structural Analysis I, Exercise |
| SS 2023 |
Structural Analysis II, Exercise Material Models II, Exercise |
| WS 2022/2023 |
Structural Analysis I, Exercise Nonlinear Beam Structures, Exercise |
| SS 2022 |
Structural Analysis II, Exercise Fundamentals of Scientific Programming for Engineers, Exercise |
| WS 2021/2022 |
Structural Analysis I, Exercise Finite Element Methods in Structural Analysis II, Exercise |
| SS 2021 | Finite Element Methods in Structural Analysis I, Exercise |
| WS 2020/2021 |
Modelling with Finite Elements, Exercise Material Models I, Exercise |
| SS 2020 |
Modeling and Programing-Oriented Methods in Beam Structural Analysis, Exercise Nonlinear Structural Anaylsis, Exercise |
| WS 2019/2020 | Modeling with Finite Elements, Exercise |
Supervised project and final theses
| SS 2024 | FEM simulations of foldabl structures taking into account nonlinear constraints for modeling actuators | Master's thesis |
| SS 2024 | Development and implementation of algorithms for the identification of constraint clusters and constraint coupling types | Bachelor's thesis |
| SS 2024 | Stab2d: Visualization and animation of structural systems in LATEX (Bachelor project) | Student project |
| WS 2023/2024 | Implementation of explicit Runge-Kutta methods and application in the elastodynamics of load-bearing structures | Bachelor's thesis |
| WS 2022/2023 | Numerical analysis of the layer model to simulate materially non-linear beam elements | Bachelor's thesis |
| WS 2022/2023 | Development and implementation of an algorithm for determining the yield joints and the load-bearing capacity in plane frame structures | Bachelor's thesis |
| SS 2022 | FEM-simulation to investigate the influence of the constraints induced by model assumptions in beams | Master's thesis |
| SS 2022 | First-order yield-line theory for trusses (Bachelor project) | Student project |
| WS 2021/2022 | Analysis of the Concept of “flow of load” (Master project) | Student project |
| WS 2021/2022 | Implementation of an Algorithm for the Generation of Arbitrary Plane Beam Structure | Bachelor's thesis |
| SS 2021 | Optimization of the Strain Energy in Beam Structures using Hinges (Master project) | Student project |
| SS 2020 | Foldable structures in construction practice – State of the art | Bachelor's thesis |
Activities in academic self-administration
| from 10/2019 | Study Committee FB14, representatives of the academic staff |
| 04/2017-11/2017 | Appointment Committee “Hydrology and Substance Balance”, student member |
Affiliations
| since 03/2024 | Formation of the GAMM junior research group Kassel |
| since 09/2022 | Member of the German Association for Computational Mechanics (GACM) |
| since 04/2019 | Member of Association of Applied Mathematics and Mechanics (GAMM) |
Additional training
| 01/2023 - 12/2025 | Participation in the program “Development and Management of Research Projects” (EMF) |
| 04/2019 - 03/2024 | Participation in addditional training offered by Graduate School |