Aeroacoustic simulation using surface dipole

To transform pressure results from a CFD-based file for the definition of surface dipole acoustic sources in a Simcenter Nastran SOL 108 acoustic or vibro-acoustic or SOL 111 vibro-acoustic analysis:

1. Specify an input file to process the external result data.

2. Map the result data from a source to a target mesh.

3. Execute other various data processing operations, such as Time Signal Processing.

4. Execute the Model and Load Pre-processing pre-solver that writes out files in different formats, including an HDF5 file.

5. Visualize the results with a preconfigured post-processing view before extracting the forces stored in the HDF5 file and using them in a Simcenter Nastran solution.Note: The HDF5 file is supported by SOL 108 and SOL 111 solutions and requires the FEM Adaptive Order (FEMAO) method.

For more information on Surface Dipole, see Boundary conditions overview (FEM acoustics).

For a detailed workflow, see Acoustic sources from CFD results workflow.

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Acoustic sources from CFD results workflow

Mapping of result data between meshes

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Aeroacoustic simulation using surface dipole, Simcenter 3D 2021.1 Series

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