Bbar Brick Element: Difference between revisions
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This command is used to construct an eight-node mixed volume/pressure brick element object, which uses a trilinear isoparametric formulation. | This command is used to construct an eight-node mixed volume/pressure brick element object, which uses a trilinear isoparametric formulation. | ||
{| | {| $b1 $b2 $b3 | ||
| style="background:yellow; color:black; width:800px" | '''element bbarBrick $eleTag $node1 $node2 $node3 $node4 $node5 $node6 $node7 $node8 $matTag''' | | style="background:yellow; color:black; width:800px" | '''element bbarBrick $eleTag $node1 $node2 $node3 $node4 $node5 $node6 $node7 $node8 $matTag <$b1 $b2 $b3>''' | ||
|} | |} | ||
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|- | |- | ||
| '''$matTag''' || tag of nDMaterial | | '''$matTag''' || tag of nDMaterial | ||
|- | |||
| ''''$b1 $b2 $b3''' || body forces in global x,y,z directions | |||
|} | |} | ||
Latest revision as of 23:30, 20 August 2012
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This command is used to construct an eight-node mixed volume/pressure brick element object, which uses a trilinear isoparametric formulation.
| element bbarBrick $eleTag $node1 $node2 $node3 $node4 $node5 $node6 $node7 $node8 $matTag <$b1 $b2 $b3> |
| $eleTag | unique element object tag |
| $node1 $node2
$node3 $node4 $node5 $node6 $node7 $node8 |
eight nodes defining element boundaries, input order is shown in the figure. |
| $matTag | tag of nDMaterial |
| '$b1 $b2 $b3 | body forces in global x,y,z directions |
NOTE:
- Note: Node numbering for this element is different from that for the eight-node brick (Brick8N) element.
- The valid queries to a Quad element when creating an ElementRecorder object are 'forces', 'stresses,' ('strains' version > 2.2.0), 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:
REFERENCES:
Code Developed by: Edward Love, Sandia National Laboratories