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Academic and Benchmark Examples

Several benchmark examples for the introduction to MEFEL and TRFEL programmes.

Beam modelled by 3D elements, J2 flow plasticity

3D nonlinear mechanical analysis of beam modelled by plasticity material with help of J2 criterion.

• Input files: mefel_j2beam_linhex.in
• Version of MEFEL
• Instructions

Plane stress with quadrilateral elements

2D linear statics analysis of plane stress problem.

• Input files: mefel_linstat_plelemq.top, mefel_linstat_plelemq.pr, dbmat, dbcrs,
    mefel_linstat_plelemq.in
• Version of MEFEL
• Instructions

Axisymmetry with hypoplastic model for unsaturated expansive soils

Axisymmetric single element model with hypoplasticity model for unsaturated soils.
Three types of standard tests:

• Drained triaxial test with constatnt radial stress and prescribed increasing axial (vertical) displacement, constant suction and temperature drained.in,
• Triaxial test with prescribed constatnt volume increment, constant suction and temperature constvolume.in,
• Test with constant stress, prescribed suction path and constant temperature constsig-unsat.in,
• Version of MEFEL
• Instructions + result gallery

Exacavtion problem with hypoplastic model for unsaturated expansive soils

Excavation of the trench of depth 10 m in 11 stages. Side of the trench has the slope 10:29 and soil is defined by the hypoplasticity model for unsaturated soils.

• Input file with geomtery description for TD3 mesh generator slope.t3d.in,
• Resulting mesh file from T3D slope.t3d,
• Resulting mesh file from T3D in SIFEL format (for the viewing in MeshEditor) slope.top,
• Preprocessor input file for MECHPREP slope_hypopl_excav.pr,
• Resulting input MEFEL file generated by MECHPREP slope_hypopl_excav.in,
• Version of MEFEL,
• Instructions + result gallery

Non-stationary heat transport with Dirichlet boundary conditions

3D non-stationary heat transport with prescribed Dirichlet boundary conditions.

• Input files: trfel_nonstat_linhex_dirichlet.pr, dbmatt, dbcrst, trfel_nonstat_linhex_dirichlet.in
• Version of TRFEL
• Instructions

Stationary heat transport with Dirichlet boundary conditions

3D stationary heat transport problem with prescribed Dirichlet boundary conditions.

• Input files: trfel_stat_linhex_dirichlet.pr, dbmat, dbcrs
• Version of TRFEL
• Instructions