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Virtual Elements for computational anisotropic crystal plasticityBöhm, Christoph ...In this contribution, the Virtual Element Method (VEM) with a linear ansatz is applied to a computational crystal plasticity framework in a micro-structural environment. Furthermore, a simple ... anisotropic energetic contribution, based on invariantformulations of tensorial deformation measures and structural tensors, is presented for the cubic elastic anisotropy of the underlying crystal structure. The anisotropic elastic formulation recovers the elasticity tensor structure of a cubic material in the limit of small deformations. The authors propose a new stabilization degradation formulation which is purely based on the dissipative response of the problem. Representative examples illustrate the robustness and performance of VEM with regard to locking phenomena in the crystal plasticity framework, when bench-marked against the solutions of classical finite element approaches. Further examples investigate the performance and current limitations of VEM within a crystal plasticity framework, when being applied to heterogeneous microstructures for both, structured element topology as well as flexible element topology. © 2022 Elsevier B.V. All rights reserved.Source: Computer methods in applied mechanics and engineering. - ISSN 0045-7825 (Vol. 405, art. 1115835, 2023, str. 1-32)Type of material - article, component part ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 147709699
Author
Böhm, Christoph |
Munk, Lukas |
Hudobivnik, Blaž, 1987- |
Aldakheel, Fadi |
Korelc, Jože, 1965- |
Wriggers, Peter
Topics
virtualni elementi |
kristalna mikro struktura |
velike deformacije |
anizotropija |
AceGen |
virtual element method |
crystal plasticity |
crystalline microstructure |
finite deformation |
cubic anisotropy |
AceGen
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Böhm, Christoph | ![]() |
Munk, Lukas | ![]() |
Hudobivnik, Blaž, 1987- | 34370 |
Aldakheel, Fadi | ![]() |
Korelc, Jože, 1965- | 11536 |
Wriggers, Peter | ![]() |
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