Free TOCHNOG professional offers a wide variety of geotechnical, civil and mechanical options; modern material laws including the most recent rate independent and viscous hypoplasticity models; stress, temperature and groundwater pressure analysis; lagrangian and eulerian mesh in space; quasi-static and dynamic calculations. Linux and Microsoft Windows. Parallel computations. Dedicated pre- and postprocessing interfaces. A full libary of isoparametric elements in 1D, 2D and 3D and also typical structural elements like beams, interfaces, springs, etc.; geometry based boundary conditions; mesh independent postprocessing by selecting physical points, lines and surfaces; 2D and 3D mesh refinement; phased modelling stages.
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- 1D, 2D, 3D, axisymmetric and spherical.
- linear, quadratic and cubic elements.
- springs, beams, trusses, interfaces, boundary elements.
- material stress, groundwater, temperature calculations.
- fully coupled.
- static, quasi-static and dynamic.
- Postprocessing forces and moments.
- Phased analysis (excavations, layer depositing, …).
- Mesh independent boundary conditions, loadings and post processing.
- Stability safety factors with parameter reduction,
- phi-c reduction or any other parameter reduction.
- Local mesh refinement based on calculation results.
- Automatic restart after refinements.
- Stability safety factors with classical methods.
- Stochastic distribution of all material parameters for risk analysis.
- Monte Carlo simulations.
- Groundwater analysis.
- Saturated and non-saturated.
- Consolidation analysis, fully coupled.
- Multiple phreatic levels, flux calculations, etc.
- Hydraulic safety factors (piping, lifting).
- Linear elasticity, elasto-plasticity, visco-plasticity.
- Many build in hypoplasticity laws, no umat linking needed.
- All parameters can depend end on time and solution fields.
- Cracking models.
- Mesh independent softening with nonlocal viscoplasticity.
- Mesh and boundary conditions import from GiD.
- Solution fields and post data export to GiD.
