ISA is a mathematical extension of conventional hypoplastic models for soils to improve simulations of cyclic loading. It can be considered as a reformulation of the conventional intergranular strain theory by Niemunis and Herle (1997).
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The 2014 Masin hypoplasticity for clays has been implemented in Tochnog Professional under guidance of Dr. David Masin. This implementation includes structure, intergranular strains and visco effects. Extensions to the […]
A PhD-level course on hypoplastic constitutive modelling intended for both academia and practitioners.
Barodesy (Kolymbas, Medicus, Schneider-Muntau, Fellin)

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913
Barodesy is a constitutive model for granular media and does not use standard notations of elasto-plasticity, e.g. yield function, flow rule or plastic potential.
SANISAND (Dafalias and Manzari, 2004)

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3,234
SANISAND is an advanced elasto-plastic model based on a concept of rotational hardening incorporating the effects of fabric-dilatancy.
Sand Hypoplasticity (von Wolffersdorff, 1996)

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2,446
Sand hypoplastic model is an advanced incrementally non-linear constitutive model for sand, an outcome of an extensive research at Karlsruhe University in 1990's.
Clay Hypoplasticity (Mašín, 2014)

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4,251
Clay hypoplasticity is an advanced incrementally non-linear constitutive model based on critical state soil mechanics developed specifically for simulation of fine-grained materials.
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Recent posts
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3D analysis with Basic Hypo-Plastic Model 11.12.2019
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Modified Cam clay model now supported in automatic calibration software ExCalibre 29.11.2019
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Shear Stiffness Calculation for Hypoplastic Model 21.11.2019
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DIANA with monopile follows Blum theory saving 10 m of length 18.11.2019
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Hypoplastic UMAT error ABAQUS 11.11.2019
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