FEM Mesh CalculiX/de

FEM-Elementtypen in CalculiX

Ausführliche Informationen zu FreeCAD-FEM-Elementen findet man unter FEM Polygonnetz und FEM Elementtypen. Bei spezifischen Fragen zu CalculiX kann man sich an die Discourse-Gruppe oder den Discord-Kanal wenden.

Segmentelement

Segment element from FreeCAD to CalculiX -- node assignment
seg2 FreeCAD nodes seg3 FreeCAD nodes
seg2 (B31) CalculiX nodes seg3 (B32) CalculiX nodes
FreeCAD → CalculiX, Nodes
N1, N2 N1, N3, N2

Dreieckelement

Triangle element from FreeCAD to CalculiX -- node assignment
tria3 FreeCAD nodes tria6 FreeCAD nodes
tria3 (S3) CalculiX nodes tria6 (S6) CalculiX nodes
FreeCAD → CalculiX, Nodes
N1, N2, N3 N1, N2, N3, N4, N5, N6

Viereckelement

Quadrangle element from FreeCAD to CalculiX -- node assignment
quad4 FreeCAD nodes quad8 FreeCAD nodes
quad4 (S4) CalculiX nodes quad8 (S8) CalculiX nodes
FreeCAD → CalculiX, Nodes
N1, N2, N3, N4 N1, N2, N3, N4, N5, N6, N7, N8

Tetraederelement

Die folgende Knotenreihenfolge ist nicht implementiert! TODO: Knotenreihenfolge überprüfen (getccxVolumesByFace() nicht vergessen).

Tetrahedron element from FreeCAD to CalculiX -- node assignment
tetra4 FreeCAD nodes tetra10 FreeCAD nodes
tetra4 (C3D4) CalculiX nodes tetra10 (C3D10) CalculiX nodes
FreeCAD → CalculiX, Nodes
N2, N3, N4, N1 N2, N3, N4, N1, N6, N10, N9, N5, N7, N8

Hexaederelement

Hexahedron element from FreeCAD to CalculiX -- node assignment
hexa8 FreeCAD nodes hexa20 FreeCAD nodes
hexa8 (C3D8) CalculiX nodes hexa20 (C3D20) CalculiX nodes
FreeCAD → CalculiX, Nodes
N6, N7, N8, N5, N2, N3, N4, N1 N6, N7, N8, N5, N2, N3, N4, N1, N14, N15, N16, N13, N10, N11, N12, N9, N18, N19, N20, N17

Pentaederelement

Pentahedron element from FreeCAD to CalculiX -- node assignment
penta6 FreeCAD nodes penta15 FreeCAD nodes
penta6 (C3D6) CalculiX nodes penta15 (C3D15) CalculiX nodes
FreeCAD → CalculiX, Nodes
N5, N6, N4, N2, N3, N1 N5, N6, N4, N2, N3, N1, N11, N12, N10, N8, N9, N7, N14, N15, N13

Verwandt