FEM Mesh CalculiX
FEM Element Types
Segment element
seg2 FreeCAD nodes | seg3 FreeCAD nodes |
File:Seg2--fc.png | |
seg2 FreeCAD nodes element rotated | seg3 FreeCAD nodes element rotated |
File:Seg2--fc rotated.png | File:Seg3--fc rotated.png |
seg2 (B31) CalculiX nodes | seg3 (B32) CalculiX nodes |
File:Seg2--ccx.png | |
FreeCAD | |
N1, N2 | N1, N2, N3 |
CalculiX | |
N1, N2 | N1, N2, N3 |
Code | |
(0)(1) | (0)(2)(1) |
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 |
Code | |
(0)(2)(1) | (0)(2)(1)(5)(4)(3) |
Quadratic element
quad4 FreeCAD nodes | quad8 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 |
Code | |
(0)(3)(2)(1) | (0)(3)(2)(1)(7)(6)(5)(4) |
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 |
Code | |
(0)(2)(1)(3) | (0)(2)(1)(3)(6)(5)(4)(7)(9)(8) |
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 |
Code | |
(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) |
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 |
Code | |
(0)(2)(1)(3)(5)(4) | (0)(2)(1)(3)(5)(4)(8)(7)(6)(11)(10)(9)(12)(14)(13) |