Research assistant

M.Sc. Alexander Niehüser

E-mail

alexander.niehuesertu-dortmundde

Phone

+49 231 755 2687

Office

MBI, Room 123

ORCiD

https://orcid.org/0009-0004-3412-130X

Curriculum Vitae

Professional experience

since 12/2020	Research Assistant, Institute of Mechanics, Dortmund University of Technology
05/2018 - 09/2018	Design engineer, thyssenkrupp Industrial Solutions AG, Beckum
08/2016 - 10/2016	Internship abroad, thyssenkrupp Industrial Solutions (Vietnam) Ltd.

Education

10/2018 - 11/2020	Master of Science (M. Sc.), Mechanical Engineering, focus on modeling and simulation in mechanics, TU Dortmund University
08/2014 - 04/2018	Dual Bachelor's degree in Mechanical Engineering (B. Eng.), PHWT Vechta/Diepholz in cooperation with thyssenkrupp Industrial Solutions AG, Beckum

Honors and rewards

Best of the Year Award in Mechanical Engineering (2018), PHWT Vechta/Diepholz

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

Journals

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.

Proceedings

2024

A. Niehüser, J. Mosler:
Microscale modeling of damage mechanisms in dual-phase steel DP800,
Proceedings in Applied Mathematics and Mechanics, e202400012, 2024,
DOI: 10.1002/pamm.202400012, open access.

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

Talks

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.