Jonas Boungard - Research Information System | University of Kassel

Jonas Boungard

Research Interest

Finite element method
Development of the in-house code dockSIM
Kinematics of rigid structures
Nonlinear constraints

Academic background

2024

Doctoral degree (Dr.-Ing.), Dissertation: "Master-slave elimination scheme for arbitrary nonlinear multi-point constraints: Theory, numerics, implementation and application"

Since 04/2019

Research Assistant at the Institute of Structural Analysis, University of Kassel

10/2017 – 03/2019

Master Civil Engineering
Thesis: Spurious Kinematic Modes in Continuum Models for Auxetic Materials

09/2018 – 02/2019

Reserach Visit at the Chair of Computational Mechanics, Departement Civil Engineering and Geosciences, Delft University of Technology

10/2016 – 09/2017

Bachelor Civil Engineering
Thesis for both civil and environmental engineering: Modeling and Numerical Analysis of Instationary Groundwater Flow Near Rivers Under Consideration of Ecological Boundary Conditions

10/2013 – 09/2017

Bachelor Environmental Engineering

09/2012 – 08/2013

Gap Year, IOW Leibniz Institute for Baltic Sea Research Warnemünde, Rostock

Qualifications

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

Awards

05/2018	Award for student volunteer work by AuF BAU e.V.
04/2017	Scholar of the German Academic Scholarship Foundation, from 04/2017 to 03/2019

Memberships and non-academic activities

03/2024 - 03/2025	GAMM Junior Research Group Formation of the GAMM junior research group Kassel
since 09/2022	German Association for Computational Mechanics (GACM) Member of the German Association for Computational Mechanics (GACM)
since 04/2019	Association of Applied Mathematics and Mechanics (GAMM) Member of Association of Applied Mathematics and Mechanics (GAMM)

Publications

2024	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: Korobenko, A., Laforest, M., Prudhomme, S., Vaziri, R. (Hrsg.), 16th World Congress in Computational Mechanics (WCCM) 21-26 July 2024, Vancouver, Canada. Vancouver, S. tba.
2024	Boungard, J., Wackerfuß, J., 2024. Master-slave elimination scheme for arbitrary smooth nonlinear multi-point constraints. Computational Mechanics 2024, 955–992. https://doi.org/10.1007/s00466-024-02463-7
2024	Boungard, J., Ortleb, S., Wackerfuß, J., 2024. Mathematical foundation of the master-slave elimination for arbitrary nonlinear multi-point constraints. PAMM Proceedings in Applied Mathematics and Mechanics 23, e202400114. https://doi.org/https://doi.org/10.1002/pamm.202400114
2024	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. Lissabon, S. tba. https://doi.org/10.23967/eccomas.2024.234
2023	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. Wiley Online Library, S. e202200311. https://doi.org/10.1002/pamm.202200311
2021	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. Wiley Online Library, S. e202000103. https://doi.org/10.1002/pamm.202000103
2020	Wackerfuß, J., Boungard, J., 2020. Methoden zur Beurteilung der statischen Brauchbarkeit von Tragwerken, in: Bischoff, M., Scheven, M. von (Hrsg.), Berichte der Fachtagung Baustatik - Baupraxis 14 : 23. und 24. März 2020, Universität Stuttgart. Institut für Baustatik und Baudynamik, Universität Stuttgart, Stuttgart, S. 651–658. https://doi.org/10.18419/opus-10762

Lectures

03/2024	Mathematical Foundations of the Master-Slave Elimination for Arbitrary Nonlinear Multi-Point Constraints 94th GAMM Annual Meeting, Magdeburg, Magdeburg
03/2024	Plenary for young researchers: Time-varying constraints in structural analysis: challenges, new methodology and applications 15th Symposium on Structural Analysis – Building Practice, Hamburg, Hamburg
03/2024	Zeitveränderliche Zwangsbedingungen in der Baustatik: Herausforderungen, neue Methodik und Anwendungen , Hamburg
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, Wien
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, 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, 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, Kassel - online
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, München

Other Research Activities

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2024	Berufungskommission „Systemanalyse und nachhaltige Bioökonomie“, Vertreter der wissenschaftlichen Mitarbeiter:innen Academic self-administration activity
2024	Development and implementation of algorithms for the identification of constraint clusters and constraint coupling types Advising activity
2024	FEM simulations of foldabl structures taking into account nonlinear constraints for modeling actuators Advising activity
2024	Teaching Activity Summer Semester 2024 Teaching
2024	Teaching Activity Winter Semester 2024/25 Teaching
2024	Stab2d: Visualization and animation of structural systems in LATEX (Bachelor project) Advising activity
2023	Implementation of explicit Runge-Kutta methods and application in the elastodynamics of load-bearing structures Advising activity
2023	Teaching Activity Summer Semester 2023 Teaching
2023	Teaching Activity Winter Semester 2023/24 Teaching
2022	Development and implementation of an algorithm for determining the yield joints and the load-bearing capacity in plane frame structures Advising activity