27 Publications
2025 | Journal Article | LibreCat-ID: 61138
Zhan, Yingjie, Ismail Caylak, Richard Ostwald, Enrico Barth, and Eckart Uhlmann. “Damage-Incorporated Four-Step Mean-Field Method for Simulating CFRP Machining: A Novel Algorithmic Approach.” Multiscale and Multidisciplinary Modeling, Experiments and Design 8, no. 10 (2025). https://doi.org/10.1007/s41939-025-01026-4.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 58309
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “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.” Applied Sciences 15, no. 1 (2024). https://doi.org/10.3390/app15010160.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62767
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “Introducing a Microstructure-Embedded Autoencoder Approach for Reconstructing High-Resolution Solution Field Data from a Reduced Parametric Space.” Computational Mechanics 75, no. 4 (2024): 1377–1406. https://doi.org/10.1007/s00466-024-02568-z.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62769
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “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.” Applied Sciences 15, no. 1 (2024). https://doi.org/10.3390/app15010160.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62770
Gerlach, Jan, Robin Schulte, Alexander Schowtjak, Till Clausmeyer, Richard Ostwald, A. Erman Tekkaya, and Andreas Menzel. “Enhancing Damage Prediction in Bulk Metal Forming through Machine Learning-Assisted Parameter Identification.” Archive of Applied Mechanics 94, no. 8 (2024): 2217–42. https://doi.org/10.1007/s00419-024-02634-1.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62768
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “A Spatiotemporal Deep Learning Framework for Prediction of Crack Dynamics in Heterogeneous Solids: Efficient Mapping of Concrete Microstructures to Its Fracture Properties.” Engineering Fracture Mechanics 314 (2024). https://doi.org/10.1016/j.engfracmech.2024.110675.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 62771
Schulte, Robin, Cavid Karca, Richard Ostwald, and Andreas Menzel. “Machine Learning-Assisted Parameter Identification for Constitutive Models Based on Concatenated Loading Path Sequences.” European Journal of Mechanics - A/Solids 98 (2022). https://doi.org/10.1016/j.euromechsol.2022.104854.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 62773
Schulte, Robin, Richard Ostwald, and Andreas Menzel. “A Computational Framework for Gradient‐enhanced Damage – Implementation and Applications.” PAMM 20, no. 1 (2021). https://doi.org/10.1002/pamm.202000215.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 62772
Schowtjak, Alexander, Robin Schulte, Till Clausmeyer, Richard Ostwald, A. Erman Tekkaya, and Andreas Menzel. “ADAPT — A Diversely Applicable Parameter Identification Tool: Overview and Full-Field Application Examples.” International Journal of Mechanical Sciences 213 (2021). https://doi.org/10.1016/j.ijmecsci.2021.106840.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 62777
Schulte, Robin, Richard Ostwald, and Andreas Menzel. “Gradient-Enhanced Modelling of Damage for Rate-Dependent Material Behaviour—A Parameter Identification Framework.” Materials 13, no. 14 (2020). https://doi.org/10.3390/ma13143156.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 62778
Langenfeld, Kai, Alexander Schowtjak, Robin Schulte, Oliver Hering, Kerstin Möhring, Till Clausmeyer, Richard Ostwald, Frank Walther, A. Erman Tekkaya, and Jörn Mosler. “Influence of Anisotropic Damage Evolution on Cold Forging.” Production Engineering 14, no. 1 (2020): 115–21. https://doi.org/10.1007/s11740-019-00942-y.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 62776
Clausmeyer, Till, Alexander Schowtjak, Shuhan Wang, Robin Gitschel, Oliver Hering, Pavlo Pavliuchenko, Johannes Lohmar, Richard Ostwald, Gerhard Hirt, and A. Erman Tekkaya. “Prediction of Ductile Damage in the Process Chain of Caliber Rolling and Forward Rod Extrusion.” Procedia Manufacturing 47 (2020): 649–55. https://doi.org/10.1016/j.promfg.2020.04.201.
LibreCat
| DOI
2019 | Journal Article | LibreCat-ID: 62775
Schowtjak, Alexander, Shuhan Wang, Oliver Hering, Till Clausmeyer, Johannes Lohmar, Robin Schulte, Richard Ostwald, Gerhard Hirt, and A. Erman Tekkaya. “Prediction and Analysis of Damage Evolution during Caliber Rolling and Subsequent Cold Forward Extrusion.” Production Engineering 14, no. 1 (2019): 33–41. https://doi.org/10.1007/s11740-019-00935-x.
LibreCat
| DOI
2019 | Journal Article | LibreCat-ID: 62779
Ostwald, Richard, Ellen Kuhl, and Andreas Menzel. “On the Implementation of Finite Deformation Gradient-Enhanced Damage Models.” Computational Mechanics 64, no. 3 (2019): 847–77. https://doi.org/10.1007/s00466-019-01684-5.
LibreCat
| DOI
2017 | Conference Paper | LibreCat-ID: 62781
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “A THERMODYNAMICALLY CONSISTENT FINITE STRAIN MICRO-SPHERE FRAMEWORK FOR PHASE-TRANSFORMATION.” 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. https://doi.org/10.7712/100016.1945.10899.
LibreCat
| DOI
2016 | Journal Article | LibreCat-ID: 62782
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Extending a Finite Strain Hyperelastic Micro‐sphere Framework towards Phase Transformations.” PAMM 16, no. 1 (2016): 381–82. https://doi.org/10.1002/pamm.201610179.
LibreCat
| DOI
2015 | Dissertation | LibreCat-ID: 62784
Ostwald, Richard. Modelling and Simulation of Phase Transformations in Elasto-Plastic Polycrystals. LibreCat University, 2015. https://doi.org/10.17877/DE290R-155.
LibreCat
| DOI
2015 | Journal Article | LibreCat-ID: 62783
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “An Energy-Barrier-Based Computational Micro-Sphere Model for Phase-Transformations Interacting with Plasticity.” Computer Methods in Applied Mechanics and Engineering 293 (2015): 232–65. https://doi.org/10.1016/j.cma.2015.04.008.
LibreCat
| DOI
2014 | Journal Article | LibreCat-ID: 62785
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “A Gibbs‐energy‐barrier‐based Computational Micro‐sphere Model for the Simulation of Martensitic Phase‐transformations.” International Journal for Numerical Methods in Engineering 97, no. 12 (2014): 851–77. https://doi.org/10.1002/nme.4601.
LibreCat
| DOI
2014 | Journal Article | LibreCat-ID: 62786
Ostwald, Richard, Marcel Tiffe, Thorsten Bartel, Andreas Zabel, Andreas Menzel, and Dirk Biermann. “Towards the Multi-Scale Simulation of Martensitic Phase-Transformations: An Efficient Post-Processing Approach Applied to Turning Processes.” Journal of Materials Processing Technology 214, no. 8 (2014): 1516–23. https://doi.org/10.1016/j.jmatprotec.2014.02.022.
LibreCat
| DOI
2012 | Journal Article | LibreCat-ID: 62788
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Simulation of Phase‐transformations Based on Numerical Minimization of Intersecting Gibbs Energy Potentials.” PAMM 12, no. 1 (2012): 277–78. https://doi.org/10.1002/pamm.201210129.
LibreCat
| DOI
2012 | Journal Article | LibreCat-ID: 62787
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Phase-Transformations Interacting with Plasticity – A Micro-Sphere Model Applied to TRIP Steel.” Computational Materials Science 64 (2012): 12–16. https://doi.org/10.1016/j.commatsci.2012.05.015.
LibreCat
| DOI
2011 | Journal Article | LibreCat-ID: 62790
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Interaction of Phase‐transformations and Plasticity – a Multi‐phase Micro‐sphere Approach.” PAMM 11, no. 1 (2011): 417–18. https://doi.org/10.1002/pamm.201110200.
LibreCat
| DOI
2011 | Journal Article | LibreCat-ID: 62789
Biermann, D., A. Menzel, T. Bartel, F. Höhne, R. Holtermann, Richard Ostwald, B. Sieben, M. Tiffe, and A. Zabel. “Experimental and Computational Investigation of Machining Processes for Functionally Graded Materials.” Procedia Engineering 19 (2011): 22–27. https://doi.org/10.1016/j.proeng.2011.11.074.
LibreCat
| DOI
2010 | Journal Article | LibreCat-ID: 62791
Ostwald, Richard, T. Bartel, and A. Menzel. “A Computational Micro‐sphere Model Applied to the Simulation of Phase‐transformations.” ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift Für Angewandte Mathematik Und Mechanik 90, no. 7–8 (2010): 605–22. https://doi.org/10.1002/zamm.200900390.
LibreCat
| DOI
2010 | Journal Article | LibreCat-ID: 62792
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “A Micro‐sphere Approach Applied to the Modelling of Phase‐transformations.” PAMM 10, no. 1 (2010): 315–16. https://doi.org/10.1002/pamm.201010150.
LibreCat
| DOI
2009 | Journal Article | LibreCat-ID: 62793
Unger, J., Richard Ostwald, and B. Svendsen. “Thermodynamic Multifield Modeling of Electromagnetic Metal Forming.” International Journal of Material Forming 2, no. S1 (2009): 907–10. https://doi.org/10.1007/s12289-009-0486-9.
LibreCat
| DOI
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27 Publications
2025 | Journal Article | LibreCat-ID: 61138
Zhan, Yingjie, Ismail Caylak, Richard Ostwald, Enrico Barth, and Eckart Uhlmann. “Damage-Incorporated Four-Step Mean-Field Method for Simulating CFRP Machining: A Novel Algorithmic Approach.” Multiscale and Multidisciplinary Modeling, Experiments and Design 8, no. 10 (2025). https://doi.org/10.1007/s41939-025-01026-4.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 58309
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “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.” Applied Sciences 15, no. 1 (2024). https://doi.org/10.3390/app15010160.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62767
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “Introducing a Microstructure-Embedded Autoencoder Approach for Reconstructing High-Resolution Solution Field Data from a Reduced Parametric Space.” Computational Mechanics 75, no. 4 (2024): 1377–1406. https://doi.org/10.1007/s00466-024-02568-z.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62769
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “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.” Applied Sciences 15, no. 1 (2024). https://doi.org/10.3390/app15010160.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62770
Gerlach, Jan, Robin Schulte, Alexander Schowtjak, Till Clausmeyer, Richard Ostwald, A. Erman Tekkaya, and Andreas Menzel. “Enhancing Damage Prediction in Bulk Metal Forming through Machine Learning-Assisted Parameter Identification.” Archive of Applied Mechanics 94, no. 8 (2024): 2217–42. https://doi.org/10.1007/s00419-024-02634-1.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 62768
Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “A Spatiotemporal Deep Learning Framework for Prediction of Crack Dynamics in Heterogeneous Solids: Efficient Mapping of Concrete Microstructures to Its Fracture Properties.” Engineering Fracture Mechanics 314 (2024). https://doi.org/10.1016/j.engfracmech.2024.110675.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 62771
Schulte, Robin, Cavid Karca, Richard Ostwald, and Andreas Menzel. “Machine Learning-Assisted Parameter Identification for Constitutive Models Based on Concatenated Loading Path Sequences.” European Journal of Mechanics - A/Solids 98 (2022). https://doi.org/10.1016/j.euromechsol.2022.104854.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 62773
Schulte, Robin, Richard Ostwald, and Andreas Menzel. “A Computational Framework for Gradient‐enhanced Damage – Implementation and Applications.” PAMM 20, no. 1 (2021). https://doi.org/10.1002/pamm.202000215.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 62772
Schowtjak, Alexander, Robin Schulte, Till Clausmeyer, Richard Ostwald, A. Erman Tekkaya, and Andreas Menzel. “ADAPT — A Diversely Applicable Parameter Identification Tool: Overview and Full-Field Application Examples.” International Journal of Mechanical Sciences 213 (2021). https://doi.org/10.1016/j.ijmecsci.2021.106840.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 62777
Schulte, Robin, Richard Ostwald, and Andreas Menzel. “Gradient-Enhanced Modelling of Damage for Rate-Dependent Material Behaviour—A Parameter Identification Framework.” Materials 13, no. 14 (2020). https://doi.org/10.3390/ma13143156.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 62778
Langenfeld, Kai, Alexander Schowtjak, Robin Schulte, Oliver Hering, Kerstin Möhring, Till Clausmeyer, Richard Ostwald, Frank Walther, A. Erman Tekkaya, and Jörn Mosler. “Influence of Anisotropic Damage Evolution on Cold Forging.” Production Engineering 14, no. 1 (2020): 115–21. https://doi.org/10.1007/s11740-019-00942-y.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 62776
Clausmeyer, Till, Alexander Schowtjak, Shuhan Wang, Robin Gitschel, Oliver Hering, Pavlo Pavliuchenko, Johannes Lohmar, Richard Ostwald, Gerhard Hirt, and A. Erman Tekkaya. “Prediction of Ductile Damage in the Process Chain of Caliber Rolling and Forward Rod Extrusion.” Procedia Manufacturing 47 (2020): 649–55. https://doi.org/10.1016/j.promfg.2020.04.201.
LibreCat
| DOI
2019 | Journal Article | LibreCat-ID: 62775
Schowtjak, Alexander, Shuhan Wang, Oliver Hering, Till Clausmeyer, Johannes Lohmar, Robin Schulte, Richard Ostwald, Gerhard Hirt, and A. Erman Tekkaya. “Prediction and Analysis of Damage Evolution during Caliber Rolling and Subsequent Cold Forward Extrusion.” Production Engineering 14, no. 1 (2019): 33–41. https://doi.org/10.1007/s11740-019-00935-x.
LibreCat
| DOI
2019 | Journal Article | LibreCat-ID: 62779
Ostwald, Richard, Ellen Kuhl, and Andreas Menzel. “On the Implementation of Finite Deformation Gradient-Enhanced Damage Models.” Computational Mechanics 64, no. 3 (2019): 847–77. https://doi.org/10.1007/s00466-019-01684-5.
LibreCat
| DOI
2017 | Conference Paper | LibreCat-ID: 62781
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “A THERMODYNAMICALLY CONSISTENT FINITE STRAIN MICRO-SPHERE FRAMEWORK FOR PHASE-TRANSFORMATION.” 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. https://doi.org/10.7712/100016.1945.10899.
LibreCat
| DOI
2016 | Journal Article | LibreCat-ID: 62782
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Extending a Finite Strain Hyperelastic Micro‐sphere Framework towards Phase Transformations.” PAMM 16, no. 1 (2016): 381–82. https://doi.org/10.1002/pamm.201610179.
LibreCat
| DOI
2015 | Dissertation | LibreCat-ID: 62784
Ostwald, Richard. Modelling and Simulation of Phase Transformations in Elasto-Plastic Polycrystals. LibreCat University, 2015. https://doi.org/10.17877/DE290R-155.
LibreCat
| DOI
2015 | Journal Article | LibreCat-ID: 62783
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “An Energy-Barrier-Based Computational Micro-Sphere Model for Phase-Transformations Interacting with Plasticity.” Computer Methods in Applied Mechanics and Engineering 293 (2015): 232–65. https://doi.org/10.1016/j.cma.2015.04.008.
LibreCat
| DOI
2014 | Journal Article | LibreCat-ID: 62785
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “A Gibbs‐energy‐barrier‐based Computational Micro‐sphere Model for the Simulation of Martensitic Phase‐transformations.” International Journal for Numerical Methods in Engineering 97, no. 12 (2014): 851–77. https://doi.org/10.1002/nme.4601.
LibreCat
| DOI
2014 | Journal Article | LibreCat-ID: 62786
Ostwald, Richard, Marcel Tiffe, Thorsten Bartel, Andreas Zabel, Andreas Menzel, and Dirk Biermann. “Towards the Multi-Scale Simulation of Martensitic Phase-Transformations: An Efficient Post-Processing Approach Applied to Turning Processes.” Journal of Materials Processing Technology 214, no. 8 (2014): 1516–23. https://doi.org/10.1016/j.jmatprotec.2014.02.022.
LibreCat
| DOI
2012 | Journal Article | LibreCat-ID: 62788
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Simulation of Phase‐transformations Based on Numerical Minimization of Intersecting Gibbs Energy Potentials.” PAMM 12, no. 1 (2012): 277–78. https://doi.org/10.1002/pamm.201210129.
LibreCat
| DOI
2012 | Journal Article | LibreCat-ID: 62787
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Phase-Transformations Interacting with Plasticity – A Micro-Sphere Model Applied to TRIP Steel.” Computational Materials Science 64 (2012): 12–16. https://doi.org/10.1016/j.commatsci.2012.05.015.
LibreCat
| DOI
2011 | Journal Article | LibreCat-ID: 62790
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “Interaction of Phase‐transformations and Plasticity – a Multi‐phase Micro‐sphere Approach.” PAMM 11, no. 1 (2011): 417–18. https://doi.org/10.1002/pamm.201110200.
LibreCat
| DOI
2011 | Journal Article | LibreCat-ID: 62789
Biermann, D., A. Menzel, T. Bartel, F. Höhne, R. Holtermann, Richard Ostwald, B. Sieben, M. Tiffe, and A. Zabel. “Experimental and Computational Investigation of Machining Processes for Functionally Graded Materials.” Procedia Engineering 19 (2011): 22–27. https://doi.org/10.1016/j.proeng.2011.11.074.
LibreCat
| DOI
2010 | Journal Article | LibreCat-ID: 62791
Ostwald, Richard, T. Bartel, and A. Menzel. “A Computational Micro‐sphere Model Applied to the Simulation of Phase‐transformations.” ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift Für Angewandte Mathematik Und Mechanik 90, no. 7–8 (2010): 605–22. https://doi.org/10.1002/zamm.200900390.
LibreCat
| DOI
2010 | Journal Article | LibreCat-ID: 62792
Ostwald, Richard, Thorsten Bartel, and Andreas Menzel. “A Micro‐sphere Approach Applied to the Modelling of Phase‐transformations.” PAMM 10, no. 1 (2010): 315–16. https://doi.org/10.1002/pamm.201010150.
LibreCat
| DOI
2009 | Journal Article | LibreCat-ID: 62793
Unger, J., Richard Ostwald, and B. Svendsen. “Thermodynamic Multifield Modeling of Electromagnetic Metal Forming.” International Journal of Material Forming 2, no. S1 (2009): 907–10. https://doi.org/10.1007/s12289-009-0486-9.
LibreCat
| DOI