A high-cycle explicit model for the accumulation of strain in sand due to small cyclic loading. The dependence of the accumulation rate on stress, void ratio, cyclic history and the type of loading is considered. In particular, the ovality and the polarization of the strain path during a cycle are taken into account.
Tag Archive for: triax
ALERT doctoral school on constitutive modelling – hands on session triax input files

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ALERT doctoral school on constitutive modelling is happening right now. The school lecture notes are available at the website of ALERT geomaterials (http://alertgeomaterials.eu/publications/) Below you find triax input files for […]
Compile triax calibration software under windows

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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 (Kolymbas, Medicus, Schneider-Muntau, Fellin)

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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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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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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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Clay hypoplasticity is an advanced incrementally non-linear constitutive model based on critical state soil mechanics developed specifically for simulation of fine-grained materials.
Presentations on hypoplasticity applications, D. Mašín, NGI 2017

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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 […]
Triax element test driver

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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 Driver

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Download package of Triax element test sofware by D. Mašín and co-workers.
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BCV bentonite experimental and modelling datasets 14.11.2023
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sigini ans sdvini subroutine example for soil model in Abaqus 6.6.2023
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Presentations from Prague Geotechnical Days 2023 including 29th Prague Geotechical Lecture by Yannis Dafalias 25.5.2023
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