GTS NX is finite element analysis software for advanced geotechnical analysis of soil and rock deformation and stability, as well as groundwater flow, dynamic vibrations and soil-structure interaction in 2D and 3D.
This page is devoted to a module of SIFEL code - an open source finite element (FE) computer code designed to Thermo-hygro-mechanical analyses of bentonite materials used in engineered bariers for nuclear waste storage.
CESAR is a 2D and 3D Finite Element software enabling modelling and analysis of geotechnical problems. Proven, powerful and user-friendly, it covers a wide scope of soil and rock mechanics applications (deformation, stability...).
Visualizations are shared under the open license CC BY to use them as teaching and learning material for soil constitutive modeling.
GroundVib performs semi-analytical analysis of wave propagation in layered soil using the Green's function for layered soil. The transmission loss is evaluated at selected distances in the frequency range up to 250 Hz.
DIANA (DIsplacement ANAlyzer) is an extensive multi-purpose finite element software package that is dedicated, but not exclusive, to a wide range of problems arising in Civil engineering including structural, geotechnical, tunnelling, earthquake disciplines and oil & gas engineering.
Simple Matlab driver running elasto-plastic and hypoplastic models. Rather an education tool than a serious calibration software, but some may find it useful to familiarize with the structure of constitutive model equations and to run simple element test simulations.
FLAC 3D, Fast Lagrangian Analysis of Continua in 3D, is numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support. It utilizes an explicit finite difference formulation.
OptumG2 and OptumG3 are unique 2D and 3D Geotechnical Finite Element software packages based on finite element limit analysis built on modern and novel numerical optimization techniques.
FLAC
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FLAC, Fast Lagrangian Analysis of Continua, is 2D numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support. It utilizes an explicit finite difference formulation.
The SoilTest option is a quick and convenient procedure to simulate basic soil lab tests. It also offers the possibility to optimise model parameters. It works for any model, both standard soil models as well as user-defined models.
A dedicated special purpose incremental driver which is able to calculate the results of homogeneous experiments. Both displacement controlled and force controlled experiments can be performed.
ExCalibre is online tool for automatic calibration of soil constitutive models, adopting a unique model-specific calibration algorithm respecting physical meaning of material parameters. Experimental data are read from a simple Excel spreadhseet template.
Incremental Driver is a single element code developed by Andrzej Niemunis (2007, 2014) for running element tests using constitutive models implemented in umat format.
Triax is an inhouse element test constitutive model driver developed since 2001 at Charles University and elsewhere by David Mašín and coworkers. It covers wide range of constitutive models and testing conditions.
This program, based on the finite element method, can model and analyze a wide range of geotechnical problems, including terrain settlement, sheet pile/diaphragm walls, slope stability, excavation analysis.
SIGMA/W is a powerful finite element software product for modeling stress and deformation in earth and structural materials. SIGMA/W analyses may range from simple linear elastic simulations to soil-structure interaction problems with nonlinear material models.
The Abaqus Unified FEA product suite offers powerful and complete solutions for both routine and sophisticated engineering problems covering a vast spectrum of industrial applications.
Tochnog Professional is a free Finite Element program offering a wide variety of geotechnical and mechanical options; modern material laws including the most recent rate independent and viscous hypoplasticity models.
PLAXIS 2D and 3D are powerful and user friendly finite element package intended for two-dimensional and three-dimensional analyses of deformation and stability in geotechnical engineering and rock mechanics.
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Recent posts
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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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Problem in using Hypoplastic model for sand in Abaqus. 17.5.2023
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An error in the SANISAND umat runtime 8.5.2023
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Htypoplastic Model in Miidas GTS NX 25.4.2023
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set cavitation limit in ABAQUS/STANDARD when using SANISAND umat 2.4.2023
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FE formulation and software 25.3.2023
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Multi-objective analysis of the Sand Hypoplasticity model calibration 24.3.2023
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Problem with SANISAND UMAT 7.3.2023
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Prague Geotechnical Days 2023 (22nd – 23rd of May) with Prague Geotechnical Lecture by prof. Yannis Dafalias 28.2.2023
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What is an appropriate damping model for dynamic liquefaction analysis of tailings storage facility in FLAC? 10.2.2023
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Abaqus vs Plaxis – Local Convergence Tolerances 2.2.2023
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Zbraslav sand – Cyclic tests by Charles University 17.1.2023
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