View source for ASI3D8

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This command is used to construct an eight-node zero-thickness 3D brick acoustic-structure interface element object based on a bilinear isoparametric formulation. The nodes in the acoustic domain share the same coordinates with the nodes in the solid domain.

{| 
| style="background:yellow; color:black; width:800px" | ''' element ASI3D8 $eleTag $node1 $node2 $node3 $node4 $node5 $node6 $node7 $node8'''
|}

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{|
|  style="width:150px" | '''$eleTag''' || unique element object tag
|-
|'''$node1 ..$node4''' || four nodes defining structure domain of element boundaries (numbered as shown in pdf)
|-
| '''$node5 .. $node8''' || four nodes defining acoustic domain of element boundaries (numbered as shown in pdf)
|}


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For further documentation and figures see attached:[http://opensees.berkeley.edu/doc/ASI3D8.pdf pdf]

Reference:
ABAQUS theory manual. (2.9.1 Coupled acoustic-structural medium analysis)

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Code Developed by: <span style="color:blue">  </span> Quan Gu, Yichao Gao and Zhijian Qiu