Richard Ostwald

richard.ostwald@uni-paderborn.de
ID
106876

27 Publications

Mark all

[27]
2025 | Journal Article | LibreCat-ID: 61138
Damage-incorporated four-step mean-field method for simulating CFRP machining: a novel algorithmic approach
Y. Zhan, I. Caylak, R. Ostwald, E. Barth, E. Uhlmann, Multiscale and Multidisciplinary Modeling, Experiments and Design 8 (2025).
LibreCat | DOI
 
[26]
2024 | Journal Article | LibreCat-ID: 58309
Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Applied Sciences 15 (2024).
LibreCat | DOI
 
[25]
2024 | Journal Article | LibreCat-ID: 62767
Introducing a microstructure-embedded autoencoder approach for reconstructing high-resolution solution field data from a reduced parametric space
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Computational Mechanics 75 (2024) 1377–1406.
LibreCat | DOI
 
[24]
2024 | Journal Article | LibreCat-ID: 62769
Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Applied Sciences 15 (2024).
LibreCat | DOI
 
[23]
2024 | Journal Article | LibreCat-ID: 62770
Enhancing damage prediction in bulk metal forming through machine learning-assisted parameter identification
J. Gerlach, R. Schulte, A. Schowtjak, T. Clausmeyer, R. Ostwald, A.E. Tekkaya, A. Menzel, Archive of Applied Mechanics 94 (2024) 2217–2242.
LibreCat | DOI
 
[22]
2024 | Journal Article | LibreCat-ID: 62768
A spatiotemporal deep learning framework for prediction of crack dynamics in heterogeneous solids: Efficient mapping of concrete microstructures to its fracture properties
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Engineering Fracture Mechanics 314 (2024).
LibreCat | DOI
 
[21]
2022 | Journal Article | LibreCat-ID: 62771
Machine learning-assisted parameter identification for constitutive models based on concatenated loading path sequences
R. Schulte, C. Karca, R. Ostwald, A. Menzel, European Journal of Mechanics - A/Solids 98 (2022).
LibreCat | DOI
 
[20]
2021 | Journal Article | LibreCat-ID: 62773
A computational framework for gradient‐enhanced damage – implementation and applications
R. Schulte, R. Ostwald, A. Menzel, PAMM 20 (2021).
LibreCat | DOI
 
[19]
2021 | Journal Article | LibreCat-ID: 62772
ADAPT — A Diversely Applicable Parameter Identification Tool: Overview and full-field application examples
A. Schowtjak, R. Schulte, T. Clausmeyer, R. Ostwald, A.E. Tekkaya, A. Menzel, International Journal of Mechanical Sciences 213 (2021).
LibreCat | DOI
 
[18]
2020 | Journal Article | LibreCat-ID: 62777
Gradient-Enhanced Modelling of Damage for Rate-Dependent Material Behaviour—A Parameter Identification Framework
R. Schulte, R. Ostwald, A. Menzel, Materials 13 (2020).
LibreCat | DOI
 
[17]
2020 | Journal Article | LibreCat-ID: 62778
Influence of anisotropic damage evolution on cold forging
K. Langenfeld, A. Schowtjak, R. Schulte, O. Hering, K. Möhring, T. Clausmeyer, R. Ostwald, F. Walther, A.E. Tekkaya, J. Mosler, Production Engineering 14 (2020) 115–121.
LibreCat | DOI
 
[16]
2020 | Journal Article | LibreCat-ID: 62776
Prediction of Ductile Damage in the Process Chain of Caliber Rolling and Forward Rod Extrusion
T. Clausmeyer, A. Schowtjak, S. Wang, R. Gitschel, O. Hering, P. Pavliuchenko, J. Lohmar, R. Ostwald, G. Hirt, A.E. Tekkaya, Procedia Manufacturing 47 (2020) 649–655.
LibreCat | DOI
 
[15]
2019 | Journal Article | LibreCat-ID: 62775
Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion
A. Schowtjak, S. Wang, O. Hering, T. Clausmeyer, J. Lohmar, R. Schulte, R. Ostwald, G. Hirt, A.E. Tekkaya, Production Engineering 14 (2019) 33–41.
LibreCat | DOI
 
[14]
2019 | Journal Article | LibreCat-ID: 62779
On the implementation of finite deformation gradient-enhanced damage models
R. Ostwald, E. Kuhl, A. Menzel, Computational Mechanics 64 (2019) 847–877.
LibreCat | DOI
 
[13]
2017 | Conference Paper | LibreCat-ID: 62781
A THERMODYNAMICALLY CONSISTENT FINITE STRAIN MICRO-SPHERE FRAMEWORK FOR PHASE-TRANSFORMATION
R. Ostwald, T. Bartel, A. Menzel, in: Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016), Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece, 2017.
LibreCat | DOI
 
[12]
2016 | Journal Article | LibreCat-ID: 62782
Extending a finite strain hyperelastic micro‐sphere framework towards phase transformations
R. Ostwald, T. Bartel, A. Menzel, PAMM 16 (2016) 381–382.
LibreCat | DOI
 
[11]
2015 | Dissertation | LibreCat-ID: 62784
Modelling and simulation of phase transformations in elasto-plastic polycrystals
R. Ostwald, Modelling and Simulation of Phase Transformations in Elasto-Plastic Polycrystals, LibreCat University, 2015.
LibreCat | DOI
 
[10]
2015 | Journal Article | LibreCat-ID: 62783
An energy-barrier-based computational micro-sphere model for phase-transformations interacting with plasticity
R. Ostwald, T. Bartel, A. Menzel, Computer Methods in Applied Mechanics and Engineering 293 (2015) 232–265.
LibreCat | DOI
 
[9]
2014 | Journal Article | LibreCat-ID: 62785
A Gibbs‐energy‐barrier‐based computational micro‐sphere model for the simulation of martensitic phase‐transformations
R. Ostwald, T. Bartel, A. Menzel, International Journal for Numerical Methods in Engineering 97 (2014) 851–877.
LibreCat | DOI
 
[8]
2014 | Journal Article | LibreCat-ID: 62786
Towards the multi-scale simulation of martensitic phase-transformations: An efficient post-processing approach applied to turning processes
R. Ostwald, M. Tiffe, T. Bartel, A. Zabel, A. Menzel, D. Biermann, Journal of Materials Processing Technology 214 (2014) 1516–1523.
LibreCat | DOI
 
[7]
2012 | Journal Article | LibreCat-ID: 62788
Simulation of phase‐transformations based on numerical minimization of intersecting Gibbs energy potentials
R. Ostwald, T. Bartel, A. Menzel, PAMM 12 (2012) 277–278.
LibreCat | DOI
 
[6]
2012 | Journal Article | LibreCat-ID: 62787
Phase-transformations interacting with plasticity – A micro-sphere model applied to TRIP steel
R. Ostwald, T. Bartel, A. Menzel, Computational Materials Science 64 (2012) 12–16.
LibreCat | DOI
 
[5]
2011 | Journal Article | LibreCat-ID: 62790
Interaction of phase‐transformations and plasticity – a multi‐phase micro‐sphere approach
R. Ostwald, T. Bartel, A. Menzel, PAMM 11 (2011) 417–418.
LibreCat | DOI
 
[4]
2011 | Journal Article | LibreCat-ID: 62789
Experimental and Computational Investigation of Machining Processes for Functionally Graded Materials
D. Biermann, A. Menzel, T. Bartel, F. Höhne, R. Holtermann, R. Ostwald, B. Sieben, M. Tiffe, A. Zabel, Procedia Engineering 19 (2011) 22–27.
LibreCat | DOI
 
[3]
2010 | Journal Article | LibreCat-ID: 62791
A computational micro‐sphere model applied to the simulation of phase‐transformations
R. Ostwald, T. Bartel, A. Menzel, ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift Für Angewandte Mathematik Und Mechanik 90 (2010) 605–622.
LibreCat | DOI
 
[2]
2010 | Journal Article | LibreCat-ID: 62792
A micro‐sphere approach applied to the modelling of phase‐transformations
R. Ostwald, T. Bartel, A. Menzel, PAMM 10 (2010) 315–316.
LibreCat | DOI
 
[1]
2009 | Journal Article | LibreCat-ID: 62793
Thermodynamic multifield modeling of electromagnetic metal forming
J. Unger, R. Ostwald, B. Svendsen, International Journal of Material Forming 2 (2009) 907–910.
LibreCat | DOI
 
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27 Publications

Mark all

[27]
2025 | Journal Article | LibreCat-ID: 61138
Damage-incorporated four-step mean-field method for simulating CFRP machining: a novel algorithmic approach
Y. Zhan, I. Caylak, R. Ostwald, E. Barth, E. Uhlmann, Multiscale and Multidisciplinary Modeling, Experiments and Design 8 (2025).
LibreCat | DOI
 
[26]
2024 | Journal Article | LibreCat-ID: 58309
Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Applied Sciences 15 (2024).
LibreCat | DOI
 
[25]
2024 | Journal Article | LibreCat-ID: 62767
Introducing a microstructure-embedded autoencoder approach for reconstructing high-resolution solution field data from a reduced parametric space
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Computational Mechanics 75 (2024) 1377–1406.
LibreCat | DOI
 
[24]
2024 | Journal Article | LibreCat-ID: 62769
Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Applied Sciences 15 (2024).
LibreCat | DOI
 
[23]
2024 | Journal Article | LibreCat-ID: 62770
Enhancing damage prediction in bulk metal forming through machine learning-assisted parameter identification
J. Gerlach, R. Schulte, A. Schowtjak, T. Clausmeyer, R. Ostwald, A.E. Tekkaya, A. Menzel, Archive of Applied Mechanics 94 (2024) 2217–2242.
LibreCat | DOI
 
[22]
2024 | Journal Article | LibreCat-ID: 62768
A spatiotemporal deep learning framework for prediction of crack dynamics in heterogeneous solids: Efficient mapping of concrete microstructures to its fracture properties
R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Engineering Fracture Mechanics 314 (2024).
LibreCat | DOI
 
[21]
2022 | Journal Article | LibreCat-ID: 62771
Machine learning-assisted parameter identification for constitutive models based on concatenated loading path sequences
R. Schulte, C. Karca, R. Ostwald, A. Menzel, European Journal of Mechanics - A/Solids 98 (2022).
LibreCat | DOI
 
[20]
2021 | Journal Article | LibreCat-ID: 62773
A computational framework for gradient‐enhanced damage – implementation and applications
R. Schulte, R. Ostwald, A. Menzel, PAMM 20 (2021).
LibreCat | DOI
 
[19]
2021 | Journal Article | LibreCat-ID: 62772
ADAPT — A Diversely Applicable Parameter Identification Tool: Overview and full-field application examples
A. Schowtjak, R. Schulte, T. Clausmeyer, R. Ostwald, A.E. Tekkaya, A. Menzel, International Journal of Mechanical Sciences 213 (2021).
LibreCat | DOI
 
[18]
2020 | Journal Article | LibreCat-ID: 62777
Gradient-Enhanced Modelling of Damage for Rate-Dependent Material Behaviour—A Parameter Identification Framework
R. Schulte, R. Ostwald, A. Menzel, Materials 13 (2020).
LibreCat | DOI
 
[17]
2020 | Journal Article | LibreCat-ID: 62778
Influence of anisotropic damage evolution on cold forging
K. Langenfeld, A. Schowtjak, R. Schulte, O. Hering, K. Möhring, T. Clausmeyer, R. Ostwald, F. Walther, A.E. Tekkaya, J. Mosler, Production Engineering 14 (2020) 115–121.
LibreCat | DOI
 
[16]
2020 | Journal Article | LibreCat-ID: 62776
Prediction of Ductile Damage in the Process Chain of Caliber Rolling and Forward Rod Extrusion
T. Clausmeyer, A. Schowtjak, S. Wang, R. Gitschel, O. Hering, P. Pavliuchenko, J. Lohmar, R. Ostwald, G. Hirt, A.E. Tekkaya, Procedia Manufacturing 47 (2020) 649–655.
LibreCat | DOI
 
[15]
2019 | Journal Article | LibreCat-ID: 62775
Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion
A. Schowtjak, S. Wang, O. Hering, T. Clausmeyer, J. Lohmar, R. Schulte, R. Ostwald, G. Hirt, A.E. Tekkaya, Production Engineering 14 (2019) 33–41.
LibreCat | DOI
 
[14]
2019 | Journal Article | LibreCat-ID: 62779
On the implementation of finite deformation gradient-enhanced damage models
R. Ostwald, E. Kuhl, A. Menzel, Computational Mechanics 64 (2019) 847–877.
LibreCat | DOI
 
[13]
2017 | Conference Paper | LibreCat-ID: 62781
A THERMODYNAMICALLY CONSISTENT FINITE STRAIN MICRO-SPHERE FRAMEWORK FOR PHASE-TRANSFORMATION
R. Ostwald, T. Bartel, A. Menzel, in: Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016), Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece, 2017.
LibreCat | DOI
 
[12]
2016 | Journal Article | LibreCat-ID: 62782
Extending a finite strain hyperelastic micro‐sphere framework towards phase transformations
R. Ostwald, T. Bartel, A. Menzel, PAMM 16 (2016) 381–382.
LibreCat | DOI
 
[11]
2015 | Dissertation | LibreCat-ID: 62784
Modelling and simulation of phase transformations in elasto-plastic polycrystals
R. Ostwald, Modelling and Simulation of Phase Transformations in Elasto-Plastic Polycrystals, LibreCat University, 2015.
LibreCat | DOI
 
[10]
2015 | Journal Article | LibreCat-ID: 62783
An energy-barrier-based computational micro-sphere model for phase-transformations interacting with plasticity
R. Ostwald, T. Bartel, A. Menzel, Computer Methods in Applied Mechanics and Engineering 293 (2015) 232–265.
LibreCat | DOI
 
[9]
2014 | Journal Article | LibreCat-ID: 62785
A Gibbs‐energy‐barrier‐based computational micro‐sphere model for the simulation of martensitic phase‐transformations
R. Ostwald, T. Bartel, A. Menzel, International Journal for Numerical Methods in Engineering 97 (2014) 851–877.
LibreCat | DOI
 
[8]
2014 | Journal Article | LibreCat-ID: 62786
Towards the multi-scale simulation of martensitic phase-transformations: An efficient post-processing approach applied to turning processes
R. Ostwald, M. Tiffe, T. Bartel, A. Zabel, A. Menzel, D. Biermann, Journal of Materials Processing Technology 214 (2014) 1516–1523.
LibreCat | DOI
 
[7]
2012 | Journal Article | LibreCat-ID: 62788
Simulation of phase‐transformations based on numerical minimization of intersecting Gibbs energy potentials
R. Ostwald, T. Bartel, A. Menzel, PAMM 12 (2012) 277–278.
LibreCat | DOI
 
[6]
2012 | Journal Article | LibreCat-ID: 62787
Phase-transformations interacting with plasticity – A micro-sphere model applied to TRIP steel
R. Ostwald, T. Bartel, A. Menzel, Computational Materials Science 64 (2012) 12–16.
LibreCat | DOI
 
[5]
2011 | Journal Article | LibreCat-ID: 62790
Interaction of phase‐transformations and plasticity – a multi‐phase micro‐sphere approach
R. Ostwald, T. Bartel, A. Menzel, PAMM 11 (2011) 417–418.
LibreCat | DOI
 
[4]
2011 | Journal Article | LibreCat-ID: 62789
Experimental and Computational Investigation of Machining Processes for Functionally Graded Materials
D. Biermann, A. Menzel, T. Bartel, F. Höhne, R. Holtermann, R. Ostwald, B. Sieben, M. Tiffe, A. Zabel, Procedia Engineering 19 (2011) 22–27.
LibreCat | DOI
 
[3]
2010 | Journal Article | LibreCat-ID: 62791
A computational micro‐sphere model applied to the simulation of phase‐transformations
R. Ostwald, T. Bartel, A. Menzel, ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift Für Angewandte Mathematik Und Mechanik 90 (2010) 605–622.
LibreCat | DOI
 
[2]
2010 | Journal Article | LibreCat-ID: 62792
A micro‐sphere approach applied to the modelling of phase‐transformations
R. Ostwald, T. Bartel, A. Menzel, PAMM 10 (2010) 315–316.
LibreCat | DOI
 
[1]
2009 | Journal Article | LibreCat-ID: 62793
Thermodynamic multifield modeling of electromagnetic metal forming
J. Unger, R. Ostwald, B. Svendsen, International Journal of Material Forming 2 (2009) 907–910.
LibreCat | DOI
 
Marked Publication(s)

Search

Filter Publications

Display / Sort

Citation Style: Default

Export / Embed