FEM Mesh CalculiX: Difference between revisions

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== FEM Element Types CalculiX == <!--T:1-->
== FEM element types in CalculiX == <!--T:1-->
For detailed information about FreeCAD FEM Element Types checkt the [[FEM_Mesh]] and [[FEM_Element_Types]] Wiki pages.
For detailed information on FreeCAD FEM elements see [[FEM Mesh|FEM Mes]] and [[FEM Element Types|FEM Element Types]].


==== Segment element ==== <!--T:2-->
==== Segment element ==== <!--T:2-->


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<!--T:12-->
{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1"
|+ '''Segment element from FreeCAD to CalculiX -- node assignment'''
|+ '''Segment element from FreeCAD to CalculiX -- node assignment'''
|-
|-
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{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1"
|+ '''Triangle element from FreeCAD to CalculiX -- node assignment'''
|+ '''Triangle element from FreeCAD to CalculiX -- node assignment'''
|-
|-
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{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1"
|+ '''Quadratic element from FreeCAD to CalculiX -- node assignment'''
|+ '''Quadratic element from FreeCAD to CalculiX -- node assignment'''
|-
|-
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<!--T:8-->
{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1"
|+ '''Tetrahedron element from FreeCAD to CalculiX -- node assignment'''
|+ '''Tetrahedron element from FreeCAD to CalculiX -- node assignment'''
|-
|-
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{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1"
|+ '''Hexahedron element from FreeCAD to CalculiX -- node assignment'''
|+ '''Hexahedron element from FreeCAD to CalculiX -- node assignment'''
|-
|-
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<!--T:15-->
{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1"
|+ '''Pentahedron element from FreeCAD to CalculiX -- node assignment'''
|+ '''Pentahedron element from FreeCAD to CalculiX -- node assignment'''
|-
|-

Revision as of 23:15, 6 April 2019

Other languages:

FEM element types in CalculiX

For detailed information on FreeCAD FEM elements see FEM Mes and FEM Element Types.

Segment element

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


Triangle element

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


Quadratic element

Quadratic 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


Tetrahedron element

The following node order is not implemented ! TODO: verify node order (do not forget getccxVolumesByFace()).

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


Hexahedron element

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


Pentahedron element

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



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