FEM Mesh CalculiX: Difference between revisions
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== FEM Element Types CalculiX == |
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{{TOCright}} |
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For detailed information about FreeCAD FEM Element Types checkt the [[FEM_Mesh]] and [[FEM_Element_Types]] Wiki pages. |
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== FEM element types in CalculiX == <!--T:1--> |
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For detailed information on FreeCAD FEM elements see [[FEM Mesh|FEM Mesh]] and [[FEM Element Types|FEM Element Types]]. |
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{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1" |
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=== Segment element === <!--T:2--> |
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<!--T:12--> |
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{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1" |
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|+ '''Segment element from FreeCAD to CalculiX -- node assignment''' |
|+ '''Segment element from FreeCAD to CalculiX -- node assignment''' |
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| [[File:Seg2.png|250px]] || [[File:Seg3--ccx.png|250px]] |
| [[File:Seg2.png|250px]] || [[File:Seg3--ccx.png|250px]] |
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|| N1, N2 || N1, |
|| N1, N2 || N1, N3, N2 |
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||CalculiX || |
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|| N1, N2 || N1, N3, N2 |
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||Code || |
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|| (0)(1) || (0)(2)(1) |
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=== Triangle element === <!--T:3--> |
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<!--T:13--> |
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<p> <br /> </p> |
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{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1" |
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==== Triangle element ==== |
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{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1" |
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|+ '''Triangle element from FreeCAD to CalculiX -- node assignment''' |
|+ '''Triangle element from FreeCAD to CalculiX -- node assignment''' |
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| [[File:Tria3--ccx.png|250px]] || [[File:Tria6--ccx.png|250px]] |
| [[File:Tria3--ccx.png|250px]] || [[File:Tria6--ccx.png|250px]] |
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||FreeCAD || |
||FreeCAD → CalculiX, Nodes || |
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|| N1, N2, N3 || N1, N2, N3, N4, N5, N6 |
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||CalculiX || |
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|| N1, N2, N3 || N1, N2, N3, N4, N5, N6 |
|| N1, N2, N3 || N1, N2, N3, N4, N5, N6 |
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||Code || |
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|| (0)(1)(2) || (0)(1)(2)(3)(4)(5) |
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<p> <br /> </p> |
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=== Quadratic element === <!--T:4--> |
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TODO --> find normal direction of FreeCAD quad and update node table |
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<!--T:5--> |
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{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1" |
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{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1" |
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|+ '''Quadratic element from FreeCAD to CalculiX -- node assignment''' |
|+ '''Quadratic element from FreeCAD to CalculiX -- node assignment''' |
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| [[File:Quad4--fc.png|250px]] || [[File:Quad8--fc.png|250px]] |
| [[File:Quad4--fc.png|250px]] || [[File:Quad8--fc.png|250px]] |
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|| quad4 FreeCAD nodes element rotated || quad8 FreeCAD nodes element rotated |
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| [[File:Quad4--fc_rotated.png|250px]] || [[File:Quad8--fc_rotated.png|250px]] |
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|| quad4 (S4) CalculiX nodes || quad8 (S8) CalculiX nodes |
|| quad4 (S4) CalculiX nodes || quad8 (S8) CalculiX nodes |
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| [[File:Quad4--ccx.png|250px]] || [[File:Quad8--ccx.png|250px]] |
| [[File:Quad4--ccx.png|250px]] || [[File:Quad8--ccx.png|250px]] |
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||FreeCAD || |
||FreeCAD → CalculiX, Nodes || |
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|| N1, N2, N3, N4 || N1, N2, N3, N4, N5, N6, N7, N8 |
|| N1, N2, N3, N4 || N1, N2, N3, N4, N5, N6, N7, N8 |
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||CalculiX || |
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|| N1, N4, N3, N2 || N1, N4, N3, N2, N8, N7, N6, N5 |
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||Code || |
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|| (0)(3)(2)(1) || (0)(3)(2)(1)(7)(6)(5)(4) |
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=== Tetrahedron element === <!--T:6--> |
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<!--T:7--> |
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<p> <br /> </p> |
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The following node order is not implemented ! TODO: verify node order (do not forget getccxVolumesByFace()). |
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<!--T:8--> |
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==== Tetrahedron element ==== |
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{| class="wikitable" style="color: |
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1" |
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|+ '''Tetrahedron element from FreeCAD to CalculiX -- node assignment''' |
|+ '''Tetrahedron element from FreeCAD to CalculiX -- node assignment''' |
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| [[File:Tetra4--fc.png|250px]] || [[File:Tetra10--fc.png|250px]] |
| [[File:Tetra4--fc.png|250px]] || [[File:Tetra10--fc.png|250px]] |
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|| tetra4 FreeCAD nodes element rotated || tetra10 FreeCAD nodes element rotated |
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| [[File:Tetra4--fc_rotated.png|250px]] || [[File:Tetra10--fc_rotated.png|250px]] |
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|| tetra4 (C3D4) CalculiX nodes || tetra10 (C3D10) CalculiX nodes |
|| tetra4 (C3D4) CalculiX nodes || tetra10 (C3D10) CalculiX nodes |
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| [[File:Tetra4--ccx.png|250px]] || [[File:Tetra10--ccx.png|250px]] |
| [[File:Tetra4--ccx.png|250px]] || [[File:Tetra10--ccx.png|250px]] |
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||FreeCAD || |
||FreeCAD → CalculiX, Nodes || |
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|| N2, N3, N4, N1 || N2, N3, N4, N1, N6, N10, N9, N5, N7, N8 |
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||CalculiX || |
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|| N1, N3, N2, N4 || N1, N3, N2, N4, N7, N6, N5, N8, N10, N9 |
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||Code || |
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||(0)(2)(1)(3) || (0)(2)(1)(3)(6)(5)(4)(7)(9)(8) |
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=== Hexahedron element === <!--T:9--> |
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<p> <br /> </p> |
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<!--T:14--> |
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==== Hexahedron element ==== |
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{| class="wikitable" style="color: |
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1" |
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|+ '''Hexahedron element from FreeCAD to CalculiX -- node assignment''' |
|+ '''Hexahedron element from FreeCAD to CalculiX -- node assignment''' |
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| [[File:Hexa8--fc.png|250px]] || [[File:Hexa20--fc.png|250px]] |
| [[File:Hexa8--fc.png|250px]] || [[File:Hexa20--fc.png|250px]] |
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|| hexa8 FreeCAD nodes element rotated || hexa20 FreeCAD nodes element rotated |
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| [[File:Hexa8--fc_rotated.png|250px]] || [[File:Hexa20--fc_rotated.png|250px]] |
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|| hexa8 (C3D8) CalculiX nodes || hexa20 (C3D20) CalculiX nodes |
|| hexa8 (C3D8) CalculiX nodes || hexa20 (C3D20) CalculiX nodes |
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| [[File:Hexa8--ccx.png|250px]] || [[File:Hexa20--ccx.png|250px]] |
| [[File:Hexa8--ccx.png|250px]] || [[File:Hexa20--ccx.png|250px]] |
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||FreeCAD || |
||FreeCAD → CalculiX, Nodes || |
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||N1, N2, N3, N4, N5, N6, N7, N8 || N1, N2, N3, N4, N5, N6, N7, N8, N9, N10, N11, N12, N13, N14, N15, N16, N17, N18, N19, N20 |
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||CalculiX || |
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||N1, N4, N3, N2, N5, N8, N7, N6 || N1, N4, N3, N2, N5, N8, N7, N6, N12, N11, N10, N9, N16, N15, N14, N13, N17, N20, N19, N18 |
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||Code || |
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||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 |
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||(0)(3)(2)(1)(4)(7)(6)(5) || (0)(3)(2)(1)(4)(7)(6)(5)(11)(10)(9)(8)(15)(14)(13)(12)(16)(19)(18)(17) |
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=== Pentahedron element === <!--T:10--> |
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<p> <br /> </p> |
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<!--T:15--> |
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==== Pentahedron element ==== |
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{| class="wikitable" style="color: |
{| class="wikitable" style="color:black; background-color:#eeeeef;" cellpadding="5" cellspacing="0" border="1" |
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|+ '''Pentahedron element from FreeCAD to CalculiX -- node assignment''' |
|+ '''Pentahedron element from FreeCAD to CalculiX -- node assignment''' |
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| [[File:penta6--fc.png|250px]] || [[File:Penta15--fc.png|250px]] |
| [[File:penta6--fc.png|250px]] || [[File:Penta15--fc.png|250px]] |
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|| penta6 FreeCAD nodes element rotated || penta15 FreeCAD nodes element rotated |
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| [[File:penta6--fc_rotated.png|250px]] || [[File:Penta15--fc_rotated.png|250px]] |
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|| penta6 (C3D6) CalculiX nodes || penta15 (C3D15) CalculiX nodes |
|| penta6 (C3D6) CalculiX nodes || penta15 (C3D15) CalculiX nodes |
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| [[File:Penta6--ccx.png|250px]] || [[File:Penta15--ccx.png|250px]] |
| [[File:Penta6--ccx.png|250px]] || [[File:Penta15--ccx.png|250px]] |
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||FreeCAD || |
||FreeCAD → CalculiX, Nodes || |
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|| 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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||CalculiX || |
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|| N1, N3, N2, N4, N6, N5 || N1, N3, N2, N4, N6, N5, N9, N8, N7, N12, N11, N10, N13, N15, N14 |
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||Code || |
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||(0)(2)(1)(3)(5)(4) || (0)(2)(1)(3)(5)(4)(8)(7)(6)(11)(10)(9)(12)(14)(13) |
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<!--T:11--> |
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<p> <br /> </p> |
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{{FEM Tools navi}} |
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[[Category:Developer]] |
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[[Category:Poweruser_Documentation]] |
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</translate> |
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{{clear}} |
Revision as of 20:20, 31 January 2020
FEM element types in CalculiX
For detailed information on FreeCAD FEM elements see FEM Mesh and FEM Element Types.
Segment element
seg2 FreeCAD nodes | seg3 FreeCAD nodes |
seg2 (B31) CalculiX nodes | seg3 (B32) CalculiX nodes |
FreeCAD → CalculiX, Nodes | |
N1, N2 | N1, N3, N2 |
Triangle element
Quadratic element
Tetrahedron element
The following node order is not implemented ! TODO: verify node order (do not forget getccxVolumesByFace()).
Hexahedron element
Pentahedron element
FEM
- Materials: Solid, Fluid, Nonlinear mechanical, Reinforced (concrete); Material editor
- Element geometry: Beam (1D), Beam rotation (1D), Shell (2D), Fluid flow (1D)
Constraints
- Electromagnetic: Electrostatic potential, Current density, Magnetization
- Geometrical: Plane rotation, Section print, Transform
- Mechanical: Fixed, Displacement, Contact, Tie, Spring, Force, Pressure, Centrif, Self weight
- Thermal: Initial temperature, Heat flux, Temperature, Body heat source
- Overwrite Constants: Constant vacuum permittivity
- Solve: CalculiX Standard, Elmer, Mystran, Z88; Equations: Deformation, Elasticity, Electrostatic, Electricforce, Magnetodynamic, Magnetodynamic 2D, Flow, Flux, Heat; Solver: Solver control, Solver run
- Results: Purge, Show; Postprocessing: Apply changes, Pipeline from result, Warp filter, Scalar clip filter, Function cut filter, Region clip filter, Contours filter, Line clip filter, Stress linearization plot, Data at point clip filter, Filter function plane, Filter function sphere, Filter function cylinder, Filter function box
- Additional: Preferences; FEM Install, FEM Mesh, FEM Solver, FEM CalculiX, FEM Concrete; FEM Element Types