FEM Mesh CalculiX: Difference between revisions
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== FEM Element Types CalculiX == |
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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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<!--T:12--> |
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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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||FreeCAD |
||FreeCAD → CalculiX, Nodes || |
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|| N1, N2 || N1, N3, N2 |
|| N1, N2 || N1, N3, N2 |
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||FreeCAD --> CalculiX, Code || |
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|| (0)(1) || (0)(2)(1) |
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<!--T:13--> |
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<p> <br /> </p> |
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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 |
|| N1, N2, N3 || N1, N2, N3, N4, N5, N6 |
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||FreeCAD --> CalculiX, 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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<!--T:5--> |
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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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|+ '''Quadratic element from FreeCAD to CalculiX -- node assignment''' |
|+ '''Quadratic element from FreeCAD to CalculiX -- node assignment''' |
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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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||FreeCAD --> CalculiX, Code || |
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|| (0)(1)(2)(3) || (0)(1)(2)(3)(4)(5)(6)(7) |
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<p> <br /> </p> |
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=== Tetrahedron element === <!--T:6--> |
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<!--T:7--> |
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this node order is not implemented |
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TODO: verify node order |
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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{| 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--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 |
|| N2, N3, N4, N1 || N2, N3, N4, N1, N6, N10, N9, N5, N7, N8 |
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||FreeCAD --> CalculiX, Code || |
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||(1)(2)(3)(0) || (1)(2)(3)(0)(5)(9)(8)(4)(6)(7) |
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<p> <br /> </p> |
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this node order is not implemented |
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TODO: verify node order and implement |
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<!--T:14--> |
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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--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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||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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||FreeCAD --> CalculiX, Code || |
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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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this node order is not implemented |
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TODO: verify node order and implement |
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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--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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|- |
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||FreeCAD --> CalculiX, 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