Reference : An adaptive multiscale quasicontinuum approach for mechanical simulations of elastopl...
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Computational Sciences
http://hdl.handle.net/10993/53420
An adaptive multiscale quasicontinuum approach for mechanical simulations of elastoplastic periodic lattices
English
Chen, Li mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Berke, Peter [Université Libre de Bruxelles - ULB > Building, Architecture and Town Planning (BATir) department > > Prof]
Massart, Thierry [Université Libre de Bruxelles - ULB > Building, Architecture and Town Planning (BATir) department > > Prof]
Bordas, Stéphane mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Beex, Lars mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
2022
Mechanics Research Communications
Elsevier
126
104019
Yes
International
0093-6413
United Kingdom
[en] multiscale ; quasicontinuum ; lattice ; beam ; elastoplasticity ; mesh adaptivity ; refinement
[en] The quasicontinuum method is a multiscale method that combines locally supported coarse-grained domains, with small regions in which the microstructural model is fully resolved. This contribution proposes the first adaptive formulation of the method for microstructural elastoplasticity. The microstructural model uses an elastoplastic beam description. The indicator for refinement is the occurrence of plastic deformation, such that plasticity can only occur in fully resolved regions. An illustrative numerical example of a scratch test of an elastoplastic Kelvin lattice demonstrates the capabilities of the resulting framework.
Fonds National de la Recherche - FnR ; F.R.S.-FNRS
ROPETEST
http://hdl.handle.net/10993/53420
10.1016/j.mechrescom.2022.104019
https://www.sciencedirect.com/science/article/abs/pii/S0093641322001513
FnR ; FNR14310624 > Lars Beex > ROPETEST > Towards Efficient Simulations Of Aggregates Of Slender Bodies. > 01/04/2020 > 31/03/2023 > 2019

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