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Acoustics and vibro-acoustics > Simcenter Nastran FEM acoustics > Defining the mesh and material properties > Define acoustic properties of fluids with CFD results

1 Create model and load pre-processing solution process

  1. In the Simulation Navigator, right-click the Simulation file and choose New Solution ProcessModel and Load Pre-processing.

  2. (Optional) In the Model and Load Pre-processing dialog box, type the name that you want to appear in the Simulation Navigator for the solution process.

  3. Click OK.

Next step
> 2 Select CGNS file
How do I

Define acoustic properties of fluids with CFD results

2 Select CGNS file

3 Map the CGNS data from the CFD mesh to the acoustic mesh

4 Create acoustic temperature mapping simulation object

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1 Create model and load pre-processing solution process, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1603475 · retrieved 2026-07-17