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Global Modes

Global Modes

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Global Modes

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Identifying modes is the most basic part of an NVH analysis.  Understanding modal content helps identify the physical phenomenon that is causing the NVH issue.

The NVH Global Modes utility identifies global modes from an OptiStruct or Nastran modal analysis.

hmtoggle_plus1To launch the Global Modes NVH utility:

To access the Global Modes utility, you must register the NVH preferences file and load the NVH Utilities.  See the NVH Menu for more information.

1.From the NVH menu, select Global Modes.

nvh_menu

NVH Menu

An NVH-Utilities tab is also added to the browser.  The browser tab contains the Load sub-tab.

4.To close the NVH-Utilities tab, click the X in the upper right corner of the dialog.

See Also

Global Modes - Load Tab