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@article{Schiffer:2019,
author = {Schiffer, A and Zacharopoulos, P and Foo, D and Tagarielli, V},
journal = {Journal of Applied Mechanics},
title = {A coarse model for the multiaxial elastic-plastic response of ductile porous materials},
year = {2019}
}

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TY  - JOUR
AB  - We  propose  a  modelling  strategy  to  predict the  mechanical  response  of porous solids to imposed multiaxial strainhistories. A coarse representation of the microstructure of a porous material is obtained by subdividinga volume element in cubic cells by a regular tessellation; some  of  these  cells  are  modelled  as  a  plastically  incompressible elastic-plastic  solid, representing the parent material, while the remaining cells, representing the pores, are treated as a weak and soft compressible solid displaying densification behaviour at large compressive strains. The evolution of homogenised deviatoric and hydrostatic stress is explored in strain-control at  different  porosities.  The predictionsare  found  in good agreement  with  previously published numerical studies in which the microstructural geometry was explicitly modelled.
AU  - Schiffer,A
AU  - Zacharopoulos,P
AU  - Foo,D
AU  - Tagarielli,V
PY  - 2019///
SN  - 0021-8936
TI  - A coarse model for the multiaxial elastic-plastic response of ductile porous materials
T2  - Journal of Applied Mechanics
ER  -

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