Publications

On this page you will find an overview of all publications of the research group:

 

In Progress

Tommaso Bevilacqua, Axel Klawonn, Martin Lanser:
Highly Scalable Two-level Monolithic Overlapping Schwarz Preconditioners for Thermo-elastoplastic Laser Beam Welding Problems

Tommaso Bevilacqua, Axel Klawonn, Martin Lanser, Adam Wasiak:
Monolithic overlapping Schwarz preconditioners for nonlinear finite element simulations of laser beam welding processes

Dinesh Parthasarathy, Tommaso Bevilacqua, Martin Lanser, Axel Klawonn, Harald Köstler:
Towards Automated Algebraic Multigrid Preconditioner Design Using Genetic Programming for Large-Scale Laser Beam Welding Simulations

2025

Carola Forster, Markus Döring, Christoph Spurk, Marc Hummel, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Michael Schmidt
Investigation of solidification crack formation in laser beam welding of stainless steel with high-speed x-ray imaging
In: SPIE Digital Library
DOI: 10.1117/12.3041269

Viktor Savitsky, Lennart Schmies, Andrey Gumenyuk, Michael Rethmeier:
Comparative performance of DIC and optical flow algorithms for displacement and strain analysis in laser beam welding
In: Optics and Lasers in Engineering
DOI: 10.1016/j.optlaseng.2025.108870

Muhammad Umar, Marco Seiz, Michael Kellner, Britta Nestler, and Daniel Schneider:
Solidification of a quaternary X5CrNi18-10 alloy during laser beam welding using CALPHAD data in a phase-field approach
In: Computational Materials Science
DOI: 10.1016/j.commatsci.2024.113627

2024

Philipp Hartwig, Lisa Scheunemann, Jörg Schröder:
A microstructural therm-elastoplastic analysis of the mushy zone during laser beam welding
In: Proceedings in Applied Mathematics and Mechanics
DOI: 10.1002/pamm.202400122

Muhammad Umar, V. Pavan Laxmipathy, Daniel Schneider, Michael Selzer, and Britta Nestler:
Role of interfacial surface anisotropy on liquid grooving at grain boundaries: A phase-field study
In: Journal of applied physics
DOI: 10.1063/5.0260488

Philipp Hartwig, Lisa Scheunemann, Sonja Hellebrand, Jörg Schröder:
A step-by-step thermo-elastoplastic analysis of laser beam welding
In: 13th CIRP Conference on Photonic Technologies [LANE 2024]
DOI: 10.1016/j.procir.2024.08.156

Muhammad Umar, Daniel Schneider, Britta Nestler: 
Solidification of quaternary X5CrNi18-10 alloy after laser beam welding: A phase-field approach
In: 13th CIRP Conference on Photonic Technologies [LANE 2024]
DOI: 10.1016/j.commatsci.2024.113627

Carola Forster, Markus Döring, Christoph Spurk, Marc Hummel, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Michael Schmidt:
In-situ observation of end crater crack mechanisms in AA7075 during laser beam welding using synchrotron radiation
In: 13th CIRP Conference on Photonic Technologies [LANE 2024]
DOI: 10.1016/j.procir.2024.08.154

Andrey Gumenyuk, Nasim Bakir, Michael Rethmeier:
Two-colour thermography for measurement of temperature distribution in laser beam welding
In: 13th CIRP Conference on Photonic Technologies [LANE 2024]
DOI: 10.1016/j.procir.2024.08.155

Jonas Plewinski, Christoph Alt, Harald Köstler, Ulrich Rüde:
Performance analysis of the free surface lattice Boltzmann implementation in waLBerla
In: Applied Mathematics and Mechanics
DOI: 10.1002/pamm.202400196

Nasim Bakir, Andrey Gumenyuk, Michael Rethmeier:
Determination of critical local straining conditions for solidification cracking at laser beam welding by experimental and numerical methods
In: 94th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM)
DOI: 10.1002/pamm.202400020

Carola Forster, Richard Rothfelder, Pavel Krakhmalev, Christoph Spurk, Marc Hummel, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Michael Schmidt:
Unveiling thermo-fluid dynamic phenomena in laser beam welding
In: 94th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM)
DOI: 10.1002/pamm.202400194

Christoph Alt, Martin Lanser, Jonas Plewinski, Atin Janki, Axel Klawonn, Harald Köstler, Michael Selzer, Ulrich Rüde:
A continuous benchmarking infrastructure for high-performance computing applications
In: International Journal of Parallel, Emergent and Distributed Systems
DOI: 10.1080/17445760.2024.2360190

Philipp Hartwig, Nasim Bakir, Lisa Scheunemann, Andrey Gumenyuk, Jörg Schröder, Michael Rethmeier:
A Physically Motivated Heat Source Model for Laser Beam Welding
In: Metals
DOI: 10.3390/met14040430

Axel Klawonn, Martin Lanser, Adam Wasiak:
Three-Level BDDC for Virtual Elements
In: Domain Decomposition Methods in Science and Engineering XXVII
DOI: 10.1007/978-3-031-50769-4_51

2023

Axel Klawonn, Martin Lanser & Adam Wasiak:
Adaptive and Frugal FETI-DP for Virtual Elements
In: Vietnam Journal of Mathematics
DOI: 10.1007/s10013-022-00580-5

Philipp Hartwig, Lisa Scheunemann, Jörg Schröder:
A volumetric heat source model for the approximation of the melting pool in laser beam welding
In: Proceeding in Applied Mathematics and Mechanics
DOI: 10.1002/pamm.202300173

Wenjie Huo, Nasim Bakir, Andrey Gumenyuk, Michael Rethmeier, Katinka Wolter:
Detection of solidification crack formation in laser beam welding videos of sheet metal using neural networks
In: Neural Computing and Applications
DOI: 10.1007/s00521-023-09004-y

Philipp Hartwig, Lisa Scheunemann, Jörg Schröder:
On the numerical treatment of heat sources in laser beam welding processes
In: Proceeding in Applied Mathematics and Mechanics
DOI: 10.1002/pamm.202200220

Christoph Alt, Martin Lanser, Jonas Plewinski, Atin Janki, Axel Klawonn, Harald Köstler, Michael Selzer, Ulrich Rüde:
A Continuous Benchmarking Infrastructure for High-Performance Computing Applications
In: International Journal of Parallel, Emergent and Distributed Systems
DOI: 10.1080/17445760.2024.2360190

Wenjie Huo, Nasim Bakir, Andrey Gumenyuk, Michael Rethmeier, Katinka Wolter:
Strain Prediction Using Deep Learning during Solidification Crack Initiation and Growth in Laser Beam Welding of Thin Metal Sheets 
In: Applied Sciences
DOI: 10.3390/app13052930