Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications

The viscoplastic self-consistent (VPSC) formulation is extended into a generalized material model/code (VPSC-GMM) that can be easily called by different explicit and implicit boundary-value problem solvers, including high-performance parallel computing implementations. To that end, necessary numeric...

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Autores principales:	Miroslav Zecevic, Ricardo A. Lebensohn, Michael Rogers, Jacob Moore, Vincent Chiravalle, Evan Lieberman, Daniel Dunning, Galen Shipman, Marko Knezevic, Nathaniel Morgan
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Finite element method Solid dynamics Crystal plasticity Microstructures Taylor anvil Parallel computing Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/c431d1dce1684ed893475efbf016d4bf
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id	oai:doaj.org-article:c431d1dce1684ed893475efbf016d4bf
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spelling	oai:doaj.org-article:c431d1dce1684ed893475efbf016d4bf2021-12-01T05:05:58ZViscoplastic self-consistent formulation as generalized material model for solid mechanics applications2666-496810.1016/j.apples.2021.100040https://doaj.org/article/c431d1dce1684ed893475efbf016d4bf2021-06-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666496821000066https://doaj.org/toc/2666-4968The viscoplastic self-consistent (VPSC) formulation is extended into a generalized material model/code (VPSC-GMM) that can be easily called by different explicit and implicit boundary-value problem solvers, including high-performance parallel computing implementations. To that end, necessary numerical, algorithmic and programming improvements to the baseline VPSC formulation were developed, and are thoroughly presented in this work. The novel VPSC-GMM is coupled with a Lagrangian finite element (FE) hydrodynamics code, and validated by comparison with stand-alone VPSC predictions for one-element simulations of uniaxial compression and tension and simple shear. Finally, VPSC-GMM coupled with the hydrodynamics FE code is applied to simulate Taylor impact of a polycrystalline tantalum Taylor cylinder. Good agreement between the predicted deformed cylinder shape and the experimental measurement is observed. In terms of parallel computing performance, linear scaling of the computational time with the number of threads is observed.Miroslav ZecevicRicardo A. LebensohnMichael RogersJacob MooreVincent ChiravalleEvan LiebermanDaniel DunningGalen ShipmanMarko KnezevicNathaniel MorganElsevierarticleFinite element methodSolid dynamicsCrystal plasticityMicrostructuresTaylor anvilParallel computingEngineering (General). Civil engineering (General)TA1-2040ENApplications in Engineering Science, Vol 6, Iss , Pp 100040- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Finite element method Solid dynamics Crystal plasticity Microstructures Taylor anvil Parallel computing Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Finite element method Solid dynamics Crystal plasticity Microstructures Taylor anvil Parallel computing Engineering (General). Civil engineering (General) TA1-2040 Miroslav Zecevic Ricardo A. Lebensohn Michael Rogers Jacob Moore Vincent Chiravalle Evan Lieberman Daniel Dunning Galen Shipman Marko Knezevic Nathaniel Morgan Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications
description	The viscoplastic self-consistent (VPSC) formulation is extended into a generalized material model/code (VPSC-GMM) that can be easily called by different explicit and implicit boundary-value problem solvers, including high-performance parallel computing implementations. To that end, necessary numerical, algorithmic and programming improvements to the baseline VPSC formulation were developed, and are thoroughly presented in this work. The novel VPSC-GMM is coupled with a Lagrangian finite element (FE) hydrodynamics code, and validated by comparison with stand-alone VPSC predictions for one-element simulations of uniaxial compression and tension and simple shear. Finally, VPSC-GMM coupled with the hydrodynamics FE code is applied to simulate Taylor impact of a polycrystalline tantalum Taylor cylinder. Good agreement between the predicted deformed cylinder shape and the experimental measurement is observed. In terms of parallel computing performance, linear scaling of the computational time with the number of threads is observed.
format	article
author	Miroslav Zecevic Ricardo A. Lebensohn Michael Rogers Jacob Moore Vincent Chiravalle Evan Lieberman Daniel Dunning Galen Shipman Marko Knezevic Nathaniel Morgan
author_facet	Miroslav Zecevic Ricardo A. Lebensohn Michael Rogers Jacob Moore Vincent Chiravalle Evan Lieberman Daniel Dunning Galen Shipman Marko Knezevic Nathaniel Morgan
author_sort	Miroslav Zecevic
title	Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications
title_short	Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications
title_full	Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications
title_fullStr	Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications
title_full_unstemmed	Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications
title_sort	viscoplastic self-consistent formulation as generalized material model for solid mechanics applications
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/c431d1dce1684ed893475efbf016d4bf
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Viscoplastic self-consistent formulation as generalized material model for solid mechanics applications

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