FEM Mesh CalculiX: Difference between revisions

From FreeCAD Documentation
mNo edit summary
No edit summary
(11 intermediate revisions by 4 users not shown)
Line 1: Line 1:
<languages/>
{{TOCright}}
<translate>
<translate>


== FEM Element Types CalculiX ==
== 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 Mesh]] and [[FEM Element Types|FEM Element Types]].

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


<!--T:12-->
==== Segment element ====
{| 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'''
|-
|-
Line 16: Line 20:
| [[File:Seg2.png|250px]] || [[File:Seg3--ccx.png|250px]]
| [[File:Seg2.png|250px]] || [[File:Seg3--ccx.png|250px]]
|-
|-
||FreeCAD --> CalculiX, Nodes ||
||FreeCAD CalculiX, Nodes ||
|-
|-
|| N1, N2 || N1, N3, N2
|| N1, N2 || N1, N3, N2
|}
|}


=== Triangle element === <!--T:3-->


<!--T:13-->
<p> <br /> </p>
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1"

==== Triangle element ====
{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
|+ '''Triangle element from FreeCAD to CalculiX -- node assignment'''
|+ '''Triangle element from FreeCAD to CalculiX -- node assignment'''
|-
|-
Line 36: Line 39:
| [[File:Tria3--ccx.png|250px]] || [[File:Tria6--ccx.png|250px]]
| [[File:Tria3--ccx.png|250px]] || [[File:Tria6--ccx.png|250px]]
|-
|-
||FreeCAD --> CalculiX, Nodes ||
||FreeCAD CalculiX, Nodes ||
|-
|-
|| N1, N2, N3 || N1, N2, N3, N4, N5, N6
|| N1, N2, N3 || N1, N2, N3, N4, N5, N6
|}
|}
<p> <br /> </p>


==== Quadratic element ====
=== Quadratic element === <!--T:4-->


<!--T:5-->
{| 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'''
|-
|-
Line 55: Line 58:
| [[File:Quad4--ccx.png|250px]] || [[File:Quad8--ccx.png|250px]]
| [[File:Quad4--ccx.png|250px]] || [[File:Quad8--ccx.png|250px]]
|-
|-
||FreeCAD --> CalculiX, Nodes ||
||FreeCAD CalculiX, Nodes ||
|-
|-
|| N1, N2, N3, N4 || N1, N2, N3, N4, N5, N6, N7, N8
|| N1, N2, N3, N4 || N1, N2, N3, N4, N5, N6, N7, N8
|}
|}
<p> <br /> </p>


==== Tetrahedron element ====
=== Tetrahedron element === <!--T:6-->


<!--T:7-->
The following node order is not implemented ! TODO: verify node order (do not forget getccxVolumesByFace()).
The following node order is not implemented ! TODO: verify node order (do not forget getccxVolumesByFace()).


<!--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'''
|-
|-
Line 76: Line 80:
| [[File:Tetra4--ccx.png|250px]] || [[File:Tetra10--ccx.png|250px]]
| [[File:Tetra4--ccx.png|250px]] || [[File:Tetra10--ccx.png|250px]]
|-
|-
||FreeCAD --> CalculiX, Nodes ||
||FreeCAD CalculiX, Nodes ||
|-
|-
|| N2, N3, N4, N1 || N2, N3, N4, N1, N6, N10, N9, N5, N7, N8
|| N2, N3, N4, N1 || N2, N3, N4, N1, N6, N10, N9, N5, N7, N8
|}
|}


=== Hexahedron element === <!--T:9-->
<p> <br /> </p>


<!--T:14-->
==== Hexahedron element ====
{| 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'''
|-
|-
Line 95: Line 99:
| [[File:Hexa8--ccx.png|250px]] || [[File:Hexa20--ccx.png|250px]]
| [[File:Hexa8--ccx.png|250px]] || [[File:Hexa20--ccx.png|250px]]
|-
|-
||FreeCAD --> 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
||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 === <!--T:10-->
<p> <br /> </p>


<!--T:15-->
==== Pentahedron element ====
{| 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'''
|-
|-
Line 114: Line 118:
| [[File:Penta6--ccx.png|250px]] || [[File:Penta15--ccx.png|250px]]
| [[File:Penta6--ccx.png|250px]] || [[File:Penta15--ccx.png|250px]]
|-
|-
||FreeCAD --> 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
|| N5, N6, N4, N2, N3, N1 || N5, N6, N4, N2, N3, N1, N11, N12, N10, N8, N9, N7, N14, N15, N13
|}
|}

<p> <br /> </p>


[[Category:Developer]]
[[Category:Poweruser_Documentation]]




</translate>
</translate>
{{FEM Tools navi{{#translation:}}}}
{{Userdocnavi{{#translation:}}}}
[[Category:Developer{{#translation:}}]]
[[Category:Poweruser_Documentation{{#translation:}}]]
{{clear}}
{{clear}}
<languages/>

Revision as of 21:51, 25 February 2020

Other languages:

FEM element types in CalculiX

For detailed information on FreeCAD FEM elements see FEM Mesh 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