ANSYS, Inc. Release Notes

Mechanical APDL |
3.3. Low-Frequency Electromagnetics   3.5. Thermal
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3.4. Acoustics

The following enhancements to acoustic analysis are available in this release:

3.4.1. New Acoustic Fluid Elements

The new 3-D 20-node acoustic fluid element, FLUID220, models the fluid medium and the interface in fluid/structure interaction problems. The element is well suited for modeling sound wave propagation and submerged structure dynamics. Also available is a 3-D 10-node acoustic fluid element, FLUID221.

3.4.2. Perfectly Matched Layers (PML)

PML support is now available in the FLUID30, FLUID220, and FLUID221 elements. PML can be specified (via KEYOPT(4)) to absorb the outgoing sound wave.

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