Gmsh

Gmsh (http://www.geuz.org/gmsh/)

Compile Gmsh

Common

• CUI: ./configure --disable-gui
• TetGen source code is not included in Gmsh source code. Download from the internet.

Cygwin

• ./configure --enable-cygwin
• CUI: remove '-mwindows' in variables

Save only Tetrahedral

add this line at the end: Physical Volume (..) = {..., ...};

Examples

Physical group

Background fields

Extrude

TetGen (http://tetgen.berlios.de/)

Command examples

• Quality tetrahedralization of PLC:

tetgen -pq (input)

• Assign automatically attributes to elements:

tetgen -pqAA (input)

• Output in VTK:

tetgen -pqAAK (input)

• Remesh with constraining a radius-edge ratio (ex. 1.4):

tetgen -rq1.4AAK (input)

• Remesh with constraining a maximum volume:

tetgen -rq1.4a100AAK (input)

• Remesh with constraining a minimum dihedral angle (ex. 10, max. 18):

tetgen -rq1.4q10a100AAK (input)

• Remesh with the Steiner point removal algorithm:

tetgen -rq1.4q10a100YAAK (input)