FEM Mesh CalculiX: Difference between revisions
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==== Quadratic element ==== |
==== Quadratic element ==== |
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{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1" |
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|+ '''Quadratic element from FreeCAD to CalculiX -- node assignment''' |
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| quad4 FreeCAD nodes || tria6 FreeCAD nodes |
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| [[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 |
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| [[File:Quad4--ccx.png|250px]] || [[File:Quad8--ccx.png|250px]] |
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||FreeCAD || |
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|| 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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|} |
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Revision as of 18:54, 6 December 2015
FEM Element Types
Segment element
Triangle element
tria3 FreeCAD nodes | tria6 FreeCAD nodes |
tria3 FreeCAD nodes element rotated | tria6 FreeCAD nodes element rotated |
File:Tria3--fc rotated.png | File:Tria6--fc rotated.png |
tria3 (S3) CalculiX nodes | tria6 (S6) CalculiX nodes |
FreeCAD | |
N1, N2, N3 | N1, N2, N3, N4, N5, N6 |
CalculiX | |
N1, N3, N2 | N1, N3, N2, N6, N5, N4 |
Quadratic element
quad4 FreeCAD nodes | tria6 FreeCAD nodes |
quad4 FreeCAD nodes element rotated | quad8 FreeCAD nodes element rotated |
File:Quad4--fc rotated.png | File:Quad8--fc rotated.png |
quad4 (S4) CalculiX nodes | quad8 (S8) CalculiX nodes |
FreeCAD | |
N1, N2, N3, N4 | N1, N2, N3, N4, N5, N6, N7, N8 |
CalculiX | |
N1, N4, N3, N2 | N1, N4, N3, N2, N8, N7, N6, N5 |
Tetrahedron element
tetra4 FreeCAD nodes | tetra10 FreeCAD nodes |
tetra4 FreeCAD nodes element rotated | tetra10 FreeCAD nodes element rotated |
File:Tetra4--fc rotated.png | File:Tetra10--fc rotated.png |
tetra4 (C3D4) CalculiX nodes | tetra10 (C3D10) CalculiX nodes |
FreeCAD | |
N1, N2, N3, N4 | N1, N2, N3, N4, N5, N6, N7, N8, N9, N10 |
CalculiX | |
N1, N3, N2, N4 | N1, N3, N2, N4, N7, N6, N5, N8, N10, N9 |
Hexahedron element
hex8 FreeCAD nodes | hex20 FreeCAD nodes |
hex8 FreeCAD nodes element rotated | hex20 FreeCAD nodes element rotated |
File:Hexa8--fc rotated.png | File:Hexa20--fc rotated.png |
hex8 (C3D8) CalculiX nodes | hex20 (C3D20) CalculiX nodes |
FreeCAD | |
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 |
CalculiX | |
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 |
Pentahedron element
penta6 FreeCAD nodes | penta15 FreeCAD nodes |
penta6 FreeCAD nodes element rotated | penta15 FreeCAD nodes element rotated |
File:Penta6--fc rotated.png | File:Penta15--fc rotated.png |
penta6 (C3D6) CalculiX nodes | penta15 (C3D15) CalculiX nodes |
FreeCAD | |
N1, N2, N3, N4, N5, N6 | N1, N2, N3, N4, N5, N6, N7, N8, N9, N10, N11, N12, N13, N14, N15 |
CalculiX | |
N1, N3, N2, N4, N6, N5 | N1, N3, N2, N4, N6, N5, N9, N8, N7, N12, N11, N10, N13, N15, N14 |