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Acoustics and vibro-acoustics > Simcenter 3D Acoustics BEM > Defining the mesh and material properties

Supported element types for Acoustics BEM analysis

The available element types depend on whether you are running an acoustic or vibro-acoustic analysis.

Supported element types for Direct and Indirect acoustic analyses

Element family Element type
3D TET4 Microphone
HEX8 Microphone
2D TRIA3 Acoustic
TRIA3 Microphone
TRIA6 Acoustic
QUA4 Acoustic
QUA4 Microphone
QUA8 Acoustic
1D LIN1 Microphone
0D POI1 Microphone

Supported element types for Indirect vibro-acoustic analyses

Element family Element type
3D HEX8
HEX8 Microphone
HEX20
TET4
TET4 Microphone
TET10
2D TRIA3
TRIA3 Acoustic
TRIA3 Microphone
TRIA6
TRIA6 Acoustic
QUA4
QUA4 Acoustic
QUA4 Microphone
QUA8
QUA8 Acoustic
1D LIN1 Microphone
0D POI1 Microphone
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Meshing for acoustic analyses

Meshing for Acoustics BEM analysis

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Fluid materials for acoustic analyses

Supported fluid material properties

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Supported element types for Acoustics BEM analysis, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1195256 · retrieved 2026-07-17