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Home / Technical Notes / Acoustic Analysis
Acoustic Analysis
Let's look into the details of acoustic analysis. The model is a piezoelectric disc surrounded by a holed cavity.
This is a 3D model of Example 5: Resonance in Cavity.
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Obtain this session's project file. (Self-extraction format)
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Technical Notes |
Contents |
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Differential equations solved in the acoustic analysis are explained. |
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Select "Fast sweep" in the Analysis Condition Setting dialog box. |
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The basics of fast sweep is explained. |
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The ambient air body which the sound waves propagate through is created. |
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Some precautions should be taken when setting boundary conditions. |
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This note explains how to set the mesh sizes and the related analysis conditions. |
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Frequency Response of Sound Pressure Level
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One observation point is within the analysis region. The other is out of it. For each location, the frequency response is obtained. |
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The results of harmonic analysis are examined.
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The 1st and the 2nd order absorbing boundary conditions are compared. |