Dynamic strain localisation theory together with a multiphase material model is used to simulate shear band dominated processes in fully saturated undrained sand samples. In the case of dense sands a Mohr-Coulomb constitutive relationship with non-associative plasticity is used while the Pastor-Zienkiewicz material model is adopted for medium-loose sand samples. Pore pressure distributions which are typical for the two situations are shown.
Strain localisation modelling in saturated sand samples
SANAVIA, LORENZO
;SCHREFLER, BERNHARD
1995
Abstract
Dynamic strain localisation theory together with a multiphase material model is used to simulate shear band dominated processes in fully saturated undrained sand samples. In the case of dense sands a Mohr-Coulomb constitutive relationship with non-associative plasticity is used while the Pastor-Zienkiewicz material model is adopted for medium-loose sand samples. Pore pressure distributions which are typical for the two situations are shown.
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