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 […]
![von Wolffersdorff, P.-A. (1996) A hypoplastic relation for granular materials with a predefined limit state surface. Mechanics of Cohesive-Frictional Materials 1(3): 251–271. [Preprint]](https://soilmodels.com/wp-content/uploads/2017/09/soilmodels-logo-background-480x144.png){kind=logo}
Simple Matlab element test driver running elasto-plastic and hypoplastic models. Programmed in 2012 by Claudio Tamagnini and David Mašín for the ALERT Olek Zienkiewicz Course.
On behalf of the team of developers I am happy to announce that, after more than four years of development and testing, ExCalibre has just been launched. ExCalibre is a […]
A PhD-level course on hypoplastic constitutive modelling intended for both academia and practitioners.
Mašín, D. (2015) Part 4: Determination of material parameters, PhD course “Hypoplasticity for Practical Applications” handouts [Presentation]
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Handouts of Part 4 of the PhD course "Hypoplasticity for Practical Applications" by D. Mašín, describing calibration of material parameters.
Hypoplasticity (sand and clay models) is now available for GeoSlope SIGMA/W finite element code in a form of user defined Add-In. The implementation is based on ABAQUS umats and it […]
Download package of sand and clay hypoplasticity for GeoSlope SIGMA/W finite element code. Based on umat, comes along with the source code.
Hello, I am trying to implement the dll for hypoplasticity in Plaxis 3D. It runs through both the Initial Phase and a Nil Step. However, when it calculates about 20 […]
Dear all I am trying to calibrate the HP for sand, and I have quite comprehensive data. but they are not totally consistent with each other . we have the […]
I would like to derive material parameters based for a simulation which will implement the hypoplastic material model based on the following information: • Heavily overconsolidated • Very dense, fine […]
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 […]
Mašín, D. (2017) Presentation on hypoplasticity modelling of cyclic and static response of offshore foundations, Presentation delivered at Norwegian Geotechnical Institute [Presentation]
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This presentation have been delivered by D. Mašín at Norwegian Geotechnical Institute, Oslo, 7. 11. 2017
Mašín, D. (2017) Presentation on applications of hypoplasticity, various case studies, Presentation delivered at Norwegian Geotechnical Institute [Presentation]
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This presentation have been delivered by D. Mašín at Norwegian Geotechnical Institute, Oslo, 8. 11. 2017.
Two new umats are available now at SoilModels, thanks to Wolfgang Felling of the University of Innsbruck. These umats use different integration scheme compared with the other sand hypoplastic umats. […]
Download package contains two umats, one for basic hypoplasticity (von Wolffersdorff, 1996) and the other for hypoplasticity with small strain stiffness (Niemunis and Herle, 1997).
Download package of Clay and Sand hypoplasticity UMAT and Plaxis implementations, including pre-compiled UMAT-Plaxis interface.
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