Modal FRF - Define 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.