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Fakultät Maschinenbau
Research assistant

M.Sc. Alexander Niehüser

Portrait Alexander Niehüser © Alexander Niehüser

Curriculum Vitae

Research

Development of gradient-enhanced damage and crystal plasticity models on the microscale within the framework of the SFB/TRR188, project C04.

Research Interests

  • Gradient-enhanced crystal plasticity
  • Damage modeling
  • Numerics

Publications

A. Niehüser, J. Mosler:
Numerically efficient and robust interior-point algorithm for finite strain rate-independent crystal plasticity
Computer Methods in Applied Mechanics and Engineering, 419, 116392, 2023,
DOI: 10.1016/j.cma.2023.116392.

2018

J-P. Disselkamp, P. Junglas, A. Niehüser, P. Schönfelder:
A Solution to ARGESIM Benchmark C21 'State Events and Structural-dynamic Systems' based on Modelica Components,
SNE Simulation Notes Europe SNE, 28/2, 39-48, 2018,
DOI: 10.11128/sne.28.2.1041.

J-P. Disselkamp, P. Junglas, A. Niehüser, P. Schönfelder:
Implementing the Argesim C21 benchmark with Modelica components,
ASIM 2018 Workshop der ASIM/GI-Fachgruppen STS/GMMS, Heilbronn, 197-202, 2018. PDF

2024

A. Niehüser, J. Mosler:
Microscale Modeling of Damage Mechanisms in Dual-Phase Steel DP800,
GAMM 94th annual meeting, Magdeburg, 18.03-22.03.2024.

2023

A. Niehüser, J. Mosler:
Finite strain rate-independent single crystal plasticity algorithm based on interior-point methods,
17th COMPLAS, Universitat Politecnica de Catalunya, Barcelona, 05-07.09.2023.

A. Niehüser, J. Mosler:
On the numerical efficiency and robustness of interior-point algorithms for finite strain rate-independent single crystal plasticity,
GAMM 93rd annual meeting, TU Dresden, 30.05.-02.06.2023.

A. Niehüser:
Micromechanical modeling of damage in polycrystals by means of extended crystal plasticity,
4th PhD seminar, TRR188, 02.05.2023.

2022

A. Niehüser, J. Mosler:
Algorithm based on interior-point methods suitable for finite strain rate-independent crystal plasticity,
GAMM 92nd annual meeting, RWTH Aachen, 15.-19.08.2022.