Tochnog

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.

To get more information about Tochnog, please go to www.tochnogprofessional.nl

  • 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.