MES: Siatka CalculiX

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Typy elementów MES w CalculiX

Szczegółowy informacje na temat elementów skończonych we FreeCAD można znaleźć na stronach MES: Siatka i MES: Rodzaje elementów. Pytania związane ściśle z solverem CalculiX można zadawać na grupach Discourse i Discord.

Element 1D

Element 1D z FreeCAD do CalculiX -- przypisanie węzłów
seg2 FreeCAD węzły seg3 FreeCAD węzły
seg2 (B31) CalculiX węzły seg3 (B32) CalculiX węzły
FreeCAD → CalculiX, węzły
N1, N2 N1, N3, N2

Element trójkątny

Element trójkątny z FreeCAD do CalculiX -- przypisanie węzłów
tria3 FreeCAD węzły tria6 FreeCAD węzły
tria3 (S3) CalculiX węzły tria6 (S6) CalculiX węzły
FreeCAD → CalculiX, węzły
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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