2023

K. Langenfeld Continuum modeling of brittle and ductile damage: theory and computational frameworks Dissertation, Institute of Mechanics, TU Dortmund University, 2023

2017

K. Langenfeld Simulation of crack propagation based on the phase field method and partial rank-1 homogenization Master Thesis, Institute of Mechanics, TU Dortmund University, 2017

2023

K. Langenfeld, P. Kurzeja, J. Mosler: On the curvature dependence of gradient damage models: control and opportunities, Computer Methods in applied mechanics and engineering, 140, 115987, 2023, DOI: 10.1016/j.cma.2023.115987.

K. Langenfeld et al: Low cycle fatigue of components manufactured by rod extrusion: Experiments and modeling, Advances in Industrial and Manufacturing Engineering, 100130, 2023, DOI: 10.1016.j.aime.2023.100130.

2022

K. Langenfeld, P. Kurzeja, J. Mosler: How regularizational concepts interfere with (quasi-)brittle damage: a comparison based on a unified variational framework, Continuum Mechanics and Thermodynamics, 34 (6), 1517-1544, 2022, DOI: 10.1007/s00161-022-01143-2.

2020

K. Langenfeld, J. Mosler: A micromorphic approach for gradient-enhanced anisotropic ductile damage, Computer Methods in Applied Mechanics and Engineering, 360, 112717, 2020, DOI: 10.1016/j.cma.2019.112717. K. Langenfeld et al.: Influence of anisotropic damage evolution on cold forging, Production Engineering - Research and Development, 14 (1), 115-121, 2020, DOI: 10.1007/s11740-019-00942-y.

2018

K. Langenfeld, P. Junker, J. Mosler Quasi-brittle damage modeling based on incremental energy relaxation combined with a viscous-type regularization, Continuum Mechanics and Thermodynamics, 30 (5), 1125-1144, 2018, DOI: 10.1007/s00161-018-0669-z.

2021

K. Langenfeld, K. Möhring, F. Walther, J. Mosler: Modeling gradient-enhanced anisotropic ductile damage: Application to low cycle fatigue, Proceedings in Applied Mathematics and Mechanics, 20 (1), e202000157, 2021, DOI: 10.1002/pamm.202000157.

2019

K. Langenfeld, K. Möhring, F. Walther, J. Mosler: Regularizational approach for modeling ductile damage, MATEC Web of Conferences, 300, 08008, 2019, DOI: 10.1051/matecconf/201930008008.

K. Langenfeld, K. Möhring, F. Walther, J. Mosler: On the regularization for ductile damage models, Proceedings in Applied Mathematics and Mechanics, 19 (1), e201900003, 2019, DOI: 10.1002/pamm.201900003

2018

K. Langenfeld, P. Junker, J. Mosler: On the rate-dependent regularization for damage modeling, Proceedings in Applied Mathematics and Mechanics, 18 (1), e201800058, 2018, DOI: 10.1002/pamm.201800058

2024

Variational framework for damage modeling: Challenges and opportunities,
23rd GAMM Seminar on Microstructures, Bochum, Germany, January 25-26, 2024.

2023

Modeling low cycle fatigue and considering the influence of forming-induced pre-damage,
17th International Conference on Computational Plasticity, Fundamentals and Applications, Barcelona, Spain, September 05 - 07, 2023.

Comparison and analysis of numerical regularizations in a unified variational framework,
Invited Talk (Prof. L. Stainier), Research Institute of Civil and Mechanical Engineering (GeM), Nantes, France, July 05, 2023.

An anisotropic gradient-enhanced damage model for low cycle fatigue and the influence of forming-induced pre-damage,
93rd GAMM Annual Meeting, Dresden, Germany, May 30 - June 02, 2023.

Presentation of Research area C: Modelling,
TRR188, 4th industrial board meeting, Dortmund, Germany, May 16, 2023.

2022

The side effect "curvature dependence" of gradient-enhanced (quasi-)brittle damage models,
92nd GAMM Annual Meeting, Aachen, August 15-19, 2022.

Curvature dependence on non-local (quasi-)brittle damage models,
11th European Solid Mechanics Conference, Galway, Ireland, July 04 - 08, 2022.

2021

Regularizational approach to anisotropic ductile damage: Application to low cycle fatigue,
25th International Congress of Theoretical and Applied Mechanics, Milan, Italy, August, 22 - 27, 2021.

Modeling gradient-enhanced anisotropic ductile damage: Application to low cycle fatigue,
91st GAMM Annual Meeting, Kassel, Germany, March 15 - 19, 2021.

Modelling of Brittle Damage - Comparison of Regularizational Approaches,
SIAM Conference on Computational Science and Engineering, Fort Worth, USA, March 01 - 05, 2021.

On the modeling of anisotropic low cycle fatigue,
14th World Congress on Computational Mechanics, Paris, France, January 11 - 15, 2021.

2019

Regularizational approach for modelling ductile damage,
12th International Conference on Multiaxial Fatigue and Fracture, Bordeaux, France, June 24 - 26, 2019.

On the regularization of ductile damage models,
90th GAMM Annual Meeting, Vienna, Austria, February, 18 - 22, 2019.

2018

Rate-dependent regularization for material softening,
10th European Solid Mechanics Conference, Bologna, July 2 - 6, 2018.

On the rate-dependent regularization for damage modeling,
89th GAMM Annual Meeting, Munich, Germany, March, 19 - 23, 2018.