# Difference between revisions of "FEM Mesh CalculiX"

## FEM Element Types

#### Triangle element

 tria3 FreeCAD nodes tria6 FreeCAD nodes tria3 FreeCAD nodes element rotated tria6 FreeCAD nodes element rotated 250px 250px 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)

 quad4 FreeCAD nodes tria6 FreeCAD nodes quad4 FreeCAD nodes element rotated quad8 FreeCAD nodes element rotated 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 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 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 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)