An atomistically-informed multiplicative hyper-elasto-plasticity-damage model for high-pressure induced densification of silica glass
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DOI: 10.1007/s00466-020-01846-w
Abstract: An atomistically-informed constitutive model based on multiplicative hyper-elasto-plasticity with damage is developed for the study of high-pressure induced densification of silica glass. At the atomistic level, a molecular dynamics (MD) representative volume element of amorphous… read more here.
Keywords: densification; model; elasto plasticity; plasticity damage ... See more keywords
A stable P1∕P1 finite element for finite strain von Mises elasto-plasticity
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DOI: 10.1016/j.cma.2017.06.026
Abstract: Abstract The finite element P 1 ∕ P 1 is well known for being unsuitable for the simulation of incompressible material flows. In von Mises elasto-plasticity, the volume changes can become negligible when the plastic… read more here.
Keywords: finite element; von mises; elasto plasticity; mises elasto ... See more keywords
On the equivalence between the multiplicative hyper-elasto-plasticity and the additive hypo-elasto-plasticity based on the modified kinetic logarithmic stress rate
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DOI: 10.1016/j.cma.2018.06.017
Abstract: Abstract In two theorems presented herein, we prove and subsequently demonstrate in several numerical examples involving homogeneous deformation that for isotropic materials, hyper-elasto-plasticity models based on the multiplicative decomposition of the deformation gradient coincide with… read more here.
Keywords: hyper elasto; kinetic logarithmic; rate; elasto plasticity ... See more keywords