VECFEM3 Reference Manual: vemexamples

# VECFEM3 Reference Manual:

# List of VECFEM examples

## Examples for the code generator vembuild:

### vembldexm01

Two coupled Poisson equations on the 2-dimensional unit square. The mesh is read from a VECFEM input file (e.g. generated by vemgen2d).

### vembldexm04

Time-dependent velocity-driven diffusion on the 3-dimensional unit cube. The mesh is read from an I-DEAS universal file.

### vembldexm05

Time-dependent thermal diffusion with temperature-dependent material coefficients on a 3-dimensional body. The mesh is read from an I-DEAS universal file.

### vembldexm07

Displacement of a loaded 3-dimensional body. The mesh is read from an I-DEAS universal file.

### vembldexm08

Bingham fluid in 2-dimensional channel. The mesh is read from an I-DEAS universal file.

### vembldexm09 (not available)

The Navier-Stokes equation on a 3-dimensional channel. The mesh is read from a VECFEM input file (e.g. generated by vemgen3d).

### vembldexm10

The diffusion driven by a velocity field w on the 2-dimensional unit square [0,1]^2. The mesh is read from the VECFEM input file (e.g. generated by vemgen2dq).

### vembldexm11

The coupling of 2-D linear elastic problem (plain stress) and temperatur diffusion. The mesh is read from an I-DEAS universal file.

## Examples for the non-linear, steady solver veme02:

### veme02exm01

Two coupled Poisson equations on the 2-dimensional unit square. For the solution the steady non-linear solver is used. The isoparametrical mesh is generated distributed on the processors.

### veme02exm03

Velocity-driven diffusion on the 3-dimensional unit cube. For the solution the non-linear solver is used. The isoparametrical mesh is generated distributed on the processors.

### veme02exm04

Velocity-driven diffusion on a 3-dimensional domain. For the solution the non-linear solver is used. The mesh is read from an I-DEAS universal file.

### veme02exm05

Thermal diffusion with temperature-dependent material coefficients on a 2-dimensional ring segment. The isoparametrical mesh is generated distributed on the processors.

### veme02exm09

Navier-Stokes equations on the 3-dimensional unit cube. The mixed mesh is generated distributed on the processors.

### veme02exm10

System of three non-linear partial differential equations of the Navier-Stokes type on a 3-dimensional domain. The example demonstrates the usage of restarts. The mesh is read from a VECFEM input file.

## Examples for the non-linear, non-steady solver vemp02:

### vemp02exm01

Two coupled, time-dependent Poisson equations on the 2-dimensional unit square. For the solution the non-steady solver is used. The isoparametrical mesh is generated distributed on the processors.

### vemp02exm03

Velocity-driven, time-dependent diffusion on the 3-dimensional unit cube. For the solution the non-steady solver is used. The isoparametrical mesh is generated distributed on the processors.

### vemp02exm05

Time-dependent thermal diffusion with temperature-dependent material coefficients on a 2-dimensional ring segment. The isoparametrical mesh is generated distributed on the processors.

### vemp02exm10(not available)

This example demonstrates the usage of restarts for non-steady problems.

## Examples for the linear, steady solver veme00:

### veme00exm01

Two coupled Poisson equations on the 2-dimensional unit square. For the solution the linear solver is used. The mesh is generated distributed on the processors. Isoparametrical, component-by-component-numbered or mixed meshes are used.

### veme00exm03

Velocity-driven diffusion on the 3-dimensional unit cube. For the solution the linear solver is used. The isoparametrical mesh is generated distributed on the processors.

### veme00exm04

Velocity-driven diffusion on the 3-dimensional unit cube. For the solution the linear solver is used. The mesh is read from an I-DEAS universal file.

### veme00exm05

Solution of a linear structural analysis problem with I-DEAS as pre- and postprocessor.

### veme00exm06

Solution of a linear structural analysis problem with PATRAN as pre- and postprocessor.

### veme00exm07

Solution of a linear structural analysis problem mesh generated by the user with ISVAS3 as postprocessor.

### veme00exm08

The linearized Navier-Stokes equations on 3-dimensional domain. The mesh is generated distributed on the processors.

### veme00exm09

Solution of a 2-dimensional, linear structural analysis problem with element depending material coefficients. This program generates the mesh.

## Useful Tools:

### vemconvert

Conversion between different mesh file formats.

### vemgen1d

Generation of the subdivision of a 1-dimensional domain with length L. The mesh data are read by vemu02.

### vemgen2d

Generation of a triangulation of a 2-dimensional domain with well-known boundaries. The program can easily be changed for other problems. The mesh data are read by vemu02.

### vemgen2dq

Subdivision of the domain [0,1]^2 into quadrilateral elements. The generated mesh is used by example vembldexm10. The mesh data are read by vemu02.

### vemgen3d

Generation of a subdivision of a 3-dimensional domain with well-known boundaries into hexahedron elements. The program can easily be changed for other problems. The mesh data are read by vemu02.

## SEE ALSO

VECFEM, vembuild, vemcompile, vemrun, xvem.

## COPYRIGHTS

Program by L. Grosz, 1994-1996. Copyrights by Universitaet Karlsruhe 1989-1996. Copyrights by Lutz Grosz 1996. All rights reserved. More details see VECFEM.

By Lutz Grosz, Auckland, 31 May, 2000.