![Janda, T. and Mašín, D. (2017). General method for simulating laboratory tests with constitutive models for geomechanics. International Journal for Numerical and Analytical Methods in Geomechanics 41, No. 2, 304-312 [Preprint].](https://soilmodels.com/wp-content/uploads/2017/09/soilmodels-logo-background.png){kind=logo}
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).
1. Download install exe (32 or 64 bit) from https://cygwin.com/install.html 2. Choose a mirror site / click Next and select all packages you need for compiling: Type: “gcc” into search […]
A PhD-level course on hypoplastic constitutive modelling intended for both academia and practitioners.
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 is an advanced elasto-plastic model based on a concept of rotational hardening incorporating the effects of fabric-dilatancy.
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 is an advanced incrementally non-linear constitutive model based on critical state soil mechanics developed specifically for simulation of fine-grained materials.
Based on some requests, I share here two presentations on hypoplasticity applications. One is related to simulation of various boundary value problems, the other focuses on simulation of cyclic and […]
A new element test driver named “Triax” has been included into the list of calibration software available at https://soilmodels.com/triax including source code and pre-compiled Windows and Linux executables. I have been using […]
Download package of Triax element test sofware by D. Mašín and co-workers.
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Recent posts
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boundary surface plasticity 20.1.2021
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3 “STARS program” PhD positions related to soil mechanics open at Charles University 12.1.2021
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Animating Soil Models – Animations as teaching and learning material for soil constitutive modeling 5.1.2021
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Simulating the oedometric test with Abaqus 2.1.2021
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SANISAND 2008 Model 29.12.2020
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UMAT Implementation in Abaqus (Hypoplastic clay Subroutines) 28.12.2020
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Issues on reading xlsx extension for calibration input data 21.12.2020
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Issues in getting the negative values of q (mean deviatoric stress) while simulating cyclic triaxial test in ABAQUS using SANISAND subroutine. 19.12.2020
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hypoplasticity model with Abaqus umat on Brno clay 16.12.2020
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Animating Soil Models 15.12.2020
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HP clay subroutine in Plaxis 30.10.2020
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Modeling cyclic undrained sandy soil triaxial test using ABAQUS 27.10.2020
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