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Jaroslaw Knap
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Journal Articles

Atomic-to-Continuum Multiscale Modeling of Defects in Crystals With Nonlocal Electrostatic Interactions

Prashant K. Jha, Jason Marshall, Jaroslaw Knap, Kaushik Dayal
Journal: Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. February 2023, 90(2): 021003.
Paper No: JAM-22-1335
DOI: https://doi.org/10.1115/1.4056111
Published Online: November 18, 2022
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Topics: Approximation, Atoms, Crystals, Electric fields, Electrostatic interactions, Errors, Quality control
Proceedings Papers

Modeling Large Deformable Terrain With Material Point Method for Off-Road Mobility Simulation

Guanchu Chen, Hiroki Yamashita, Hiroyuki Sugiyama, Yeefeng Ruan, Paramsothy Jayakumar, David Gorsich, Kenneth W. Leiter, Jaroslaw Knap, Xiaobo Yang
Proc. ASME. IDETC-CIE2022, Volume 9: 18th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A013, August 14–17, 2022
Paper No: DETC2022-89632
DOI: https://doi.org/10.1115/DETC2022-89632
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Topics: Mechanical admittance, Modeling, Roads, Simulation, Deformation, Soil, Contact modeling, Finite element analysis, Granular materials, Particulate matter
Journal Articles

Enhancing Hierarchical Multiscale Off-Road Mobility Model by Neural Network Surrogate Model

Guanchu Chen, Hiroki Yamashita, Yeefeng Ruan, Paramsothy Jayakumar, Jaroslaw Knap, Kenneth W. Leiter, Xiaobo Yang, Hiroyuki Sugiyama
Journal: Journal of Computational and Nonlinear Dynamics
Article Type: Research-Article
J. Comput. Nonlinear Dynam. August 2021, 16(8): 081005.
Paper No: CND-21-1066
DOI: https://doi.org/10.1115/1.4051271
Published Online: June 16, 2021
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Topics: Artificial neural networks, Mechanical admittance, Roads, Simulation, Soil, Tires, Vehicles, Stress
Proceedings Papers

Calibration Methods for the Extended Prout-Tompkins Chemical Kinetics Model and Derived Cookoff Parameters for RDX, HMX, LX-10 and PBXN-109

Aaron P. Wemhoff, Alan K. Burnham, Albert L. Nichols, III, Jaroslaw Knap
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 3, 625-632, July 8–12, 2007
Paper No: HT2007-32279
DOI: https://doi.org/10.1115/HT2007-32279
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Topics: Calibration, Chemical kinetics, Explosions, Binders (Materials), Explosives, Heat, Errors, Heat conduction, Heat losses, Optimization
Journal Articles

Polycrystal Plasticity Based Predictions of Strain Localization in Metal Forming

Joel V. Bernier, Nathan R. Barton, Jaroslaw Knap
Journal: Journal of Engineering Materials and Technology
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021020.
DOI: https://doi.org/10.1115/1.2884331
Published Online: March 27, 2008
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Topics: Compression, Finite element analysis, Friction, Metalworking, Plane strain, Plasticity, Simulation, Texture (Materials), Anisotropy, Stress