ABAQUS Volume II: I–Z - Manual (Page 92)

*INTERFACE
Data line for ASI1 elements:
First (and only) line:
1. Area associated with the elements.
Enter the direction cosine, in terms of the global Cartesian coordinate system, of the interface normal
that points into the acoustic fluid:
2. X-direction cosine.
3. Y-direction cosine.
4. Z-direction cosine.
Data line for ASI-type elements for use with 2-D elements:
First (and only) line:
1. Element thickness. The default is unit thickness.
Data lines for ASI-type elements for use with axisymmetric elements or 3-D elements:
There are no data lines.
9.24–2
ABAQUS Version 6.1 Module: ID:
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