Fem Workbench

The Fem Workbench offers data structures and commands to work with Fem meshes.

Material definition
Every analysis needs at least one Material object to be fully defined. The easiest is to add a FreeCAD standard material. FreeCAD comes if a set of Material definitions you can use out of the box. But you can define additinal ones very easy. The FreeCAD material system allows a lot of additional values if needed. A good source to find material values is the matweb.com/ web site.

creation of meshes
Creating a mesh with one Tet-10 Elements:

Visual handling
Highlight some nodes on the view:

Element Types
This description is based on the MED format as described [https://hammi.extra.cea.fr/static/MED/web_med/logiciels/med-2.3.1/doc/html/modele_de_donnees.html#3. here].