Define panel contribution parameters

In a Simcenter Nastran FEM vibro-acoustic analysis, a Panel Contribution output request lets you define panel contribution parameters.

1. Choose Home tab → Properties group → Modeling Objects .Alternatively, click Create Modeling Object in the Case Control page of the vibro-acoustic Solution dialog box.

2. In the Modeling Objects Manager dialog box, from the Type list, select Vibro-Acoustic Output Requests or Vibro-Acoustic Transfer Vector Response Output Requests.

3. Click Create.

4. Enter a name and label, or use the defaults.

5. Select the Panel Contribution page.

6. (Optional) In the Description box, enter a brief description for the panel contribution. Click  to open a text editor where you can enter a longer description.

7. Select the Enable PANCON Request check box.

8. Define the panels and frequencies. You can do this either by selecting all panels or frequencies, or by specifying them manually.When specifying the panels and frequencies manually:For panels contribution, enter the number of top panels for contribution.For frequencies, choose the frequency unit and then enter the frequency values in the Frequencies box.

9. Define the entities for contributions by specifying response contribution sets for fluid. In the Entity Selection group, click Create Response Contribution Sets for Fluid.

10. In the Modeling Objects Manager dialog box, click Create to define a new response contribution set.

11. In the Response Contribution Set dialog box, define a response contribution set in one of the following ways:Manual selection:Click .In the graphics window, select the geometry or FE entities on the model object.Reference a group:Select the Group Reference check box.Click  to create a new group.See Create and manage groups.Select a filter type.You can also select existing groups from the table.Note: To request pressure panel contribution on microphones, include microphone nodes in the entity selection.

12. Continue to define the output request parameters as needed.

13. Before you solve the model, in the Solution dialog box, make sure this output request definition is selected. You can also edit the output request at any time before you solve.

How do I

Create a panel

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Analyzing vibro-acoustic contribution data

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Define panel contribution parameters, Simcenter 3D 2021.1 Series

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