Difference between revisions of "FEM Element Types"

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|+ '''Face by Nodes of Tria3'''
 
|+ '''Face by Nodes of Tria3'''
 
|-
 
|-
! Face !! Node 1 !! Node 2 !! Node 3 !! Node 4
+
! Face !! Node 1 !! Node 2 !! Node 3 !! Node 1
 
|-
 
|-
 
| F1 || N1 || N2 || N3 || N1  
 
| F1 || N1 || N2 || N3 || N1  
 
|}
 
|}
 +
 +
{| class="wikitable" style="color:green; background-color:#ffffcc;" cellpadding="5" cellspacing="0" border="1"
 +
|+ '''Face by Nodes of Tria6'''
 +
|-
 +
! Face !! Node 1 !! Node 2 !! Node 3 !! Node 4 !! Node 5 !! Node 6 !! Node 1
 +
|-
 +
| F1 || N1 || N4 || N2 || N5 || N3 || N6 || N1
 +
|}
 +
  
 
<translate><!--T:11-->
 
<translate><!--T:11-->

Revision as of 14:19, 21 December 2015

This description is based on the MED format as described here.

Segment element

Segments.gif

Edges of Seg2 and Seg3
Edge Node 1 Node 2 Middle node
E1 N1 N2 N3



Triangle element

Triangles.gif

Edges of Tria3 and Tria6
Edge Node 1 Node 2 Middle node
E1 N1 N2 N4
E2 N2 N3 N5
E3 N3 N1 N6
Face by Edges of Tria3 and Tria6
Face Edge 1 Edge 2 Edge 3
F1 E1 E2 E3
Face by Nodes of Tria3
Face Node 1 Node 2 Node 3 Node 1
F1 N1 N2 N3 N1
Face by Nodes of Tria6
Face Node 1 Node 2 Node 3 Node 4 Node 5 Node 6 Node 1
F1 N1 N4 N2 N5 N3 N6 N1



Quadratic element

Quadrangles.gif

Edges of Quad4 and Quad8
Edge Node 1 Node 2 Middle node
E1 N1 N2 N5
E2 N2 N3 N6
E3 N3 N4 N7
E4 N4 N1 N8
Face by Edges of Quad4 and Quad8
Face Edge 1 Edge 2 Edge 3 Edge 4
F1 E1 E2 E3 E4
Face by Nodes of Quad4
Face Node 1 Node 2 Node 3 Node 4 Node 1
F1 N1 N2 N3 N4 N1


Tetrahedron element

Tetraedres.gif


Edges of Tetra4 and Tetra10
Edge Node 1 Node 2 Middle node
E1 N1 N2 N5
E2 N2 N3 N6
E3 N3 N1 N7
E4 N1 N4 N8
E5 N2 N4 N9
E6 N3 N4 N10
Faces by Edges of Tetra4 and Tetra10
Face Edge 1 Edge 2 Edge 3
F1 E1 E2 E3
F2 E4 -E5 -E1
F3 E5 -E6 -E2
F4 E6 -E4 -E3
Faces by Nodes of Tetra4
Face Node 1 Node 2 Node 3 Node 4
F1 N1 N2 N3 N1
F2 N1 N4 N2 N1
F3 N2 N4 N3 N2
F4 N3 N4 N1 N3


Pyramid element

Pyramides.gif

Edges of Pyra5 and Pyra13
Edge Node 1 Node 2 Middle node
E1 N1 N2 N6
E2 N2 N3 N7
E3 N3 N4 N8
E4 N4 N1 N9
E5 N1 N5 N10
E6 N2 N5 N11
E7 N3 N5 N12
E8 N4 N5 N13
Faces by Edges of Pyra5 and Pyra13
Face Edge 1 Edge 2 Edge 3 Edge 4
F1 E1 E2 E3 E4
F2 E5 -E6 -E1 _
F3 E6 -E7 -E2 _
F4 E7 -E8 -E3 _
F5 E8 E5 -E4 _
Faces by Nodes of Pyra5
Face Node 1 Node 2 Node 3 Node4 Node1
F1 N1 N2 N3 N4 N1
F2 N1 N5 N2 _ N1
F3 N2 N5 N3 _ N2
F4 N3 N5 N4 _ N3
F5 N4 N5 N1 _ N4


Hexahedron element

Hexaedres.gif

Edges of Hexa8 and Hexa20
Edge Node 1 Node 2 Middle node
E1 N1 N2 N9
E2 N2 N3 N10
E3 N3 N4 N11
E4 N4 N1 N12
E5 N5 N6 N13
E6 N6 N7 N14
E7 N7 N8 N15
E8 N8 N5 N16
E9 N1 N5 N17
E10 N2 N6 N18
E11 N3 N7 N19
E12 N4 N8 N20
Faces by Edges of Hexa8 and Hexa20
Face Edge 1 Edge 2 Edge 3 Edge 4
F1 E1 E2 E3 E4
F2 -E8 -E7 -E6 -E5
F3 E9 E5 -E10 -E1
F4 E10 E6 -E11 -E2
F5 E11 E7 -E12 -E3
F6 E12 E8 -E9 -E4
Faces by Nodes of Hexa8
Face Node 1 Node 2 Node 3 Node4 Node1
F1 N1 N2 N3 N4 N1
F2 N5 N8 N7 N6 N5
F3 N1 N5 N6 N2 N1
F4 N2 N6 N7 N3 N2
F5 N3 N7 N8 N4 N3
F6 N4 N8 N5 N1 N4


Pentahedron element

Pentaedres.gif

Edges of Penta6 and Penta15
Edge Node 1 Node 2 Middle node
E1 N1 N2 N7
E2 N2 N3 N8
E3 N3 N1 N9
E4 N4 N5 N10
E5 N5 N6 N11
E6 N6 N4 N12
E7 N1 N4 N13
E8 N2 N5 N14
E9 N3 N6 N15
Faces by Edges of Penta6 and Penta15
Face Edge 1 Edge 2 Edge 3 Edge 4
F1 E1 E2 E3 _
F2 -E6 -E5 -E4 _
F3 E7 E4 -E8 -E1
F4 E8 E5 -E9 -E2
F5 E9 E6 -E7 -E3
Faces by Nodes of Penta6
Face Node 1 Node 2 Node 3 Node4 Node1
F1 N1 N2 N3 _ N1
F2 N4 N6 N5 _ N4
F3 N1 N4 N5 N2 N1
F4 N2 N5 N6 N3 N2
F5 N3 N6 N4 N1 N3


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