Bbar Plane Strain Quadrilateral Element: Difference between revisions
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| style="background: | | style="background:lime; color:black; width:800px" | '''element bbarQuad $eleTag $iNode $jNode $kNode $lNode $thick $matTag''' | ||
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|'''$iNode $jNode $kNode $lNode''' || four nodes defining element boundaries, input in counter-clockwise order around the element. | |'''$iNode $jNode $kNode $lNode''' || four nodes defining element boundaries, input in counter-clockwise order around the element. | ||
|- | |- | ||
| '''$matTag''' || tag of nDMaterial | |'''$thick''' || element thickness | ||
|- | |||
|'''$matTag''' || tag of nDMaterial | |||
|} | |} | ||
Latest revision as of 06:50, 28 January 2018
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This command is used to construct a four-node quadrilateral element object, which uses a bilinear isoparametric formulation along with a mixed volume/pressure B-bar assumption. This element is for plane strain problems only.
| element bbarQuad $eleTag $iNode $jNode $kNode $lNode $thick $matTag |
| $eleTag | unique element object tag |
| $iNode $jNode $kNode $lNode | four nodes defining element boundaries, input in counter-clockwise order around the element. |
| $thick | element thickness |
| $matTag | tag of nDMaterial |
NOTE:
- PlainStrain only.
- The valid queries to a Quad element when creating an ElementRecorder object are 'forces', 'stresses,' and 'material $matNum matArg1 matArg2 ...' Where $matNum refers to the material object at the integration point corresponding to the node numbers in the isoparametric domain.
EXAMPLE:
Code Developed by: Edward Love, Sandia National Laboratories