Modal FRF - Define Modes

Select the modes.

Modal Result File

Select an *.h3d, *.op2 or *.unv file and click Load. Upon reading the file, other fields on the Define Modes tab are populated.

Modal Subcase

Select a subcase that has normal modes results.

Start and End Frequency

Select the frequency range from the normal modes frequencies for the frequency response calculation.

Modes

Animate: Click Animate to calculate the normal modes animation of the selected mode.
Modal Damping: Enter a constant value or click the table icon to select a table of modal damping values.
Structural Damping: Enter the structural damping coefficient.

Apply

Click Apply to calculate the frequency response results.