ASI3D8
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.
element ASI3D8 $eleTag $node1 $node2 $node3 $node4 $node5
$node6 $node7 $node8
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) |
For further documentation and figures see attached:pdf
Reference: ABAQUS theory manual. (2.9.1 Coupled acoustic-structural medium analysis)
Code Developed by: Quan Gu, Yichao Gao and Zhijian Qiu