The Response Spectrum functionality has been enhanced with the ability to create response spectra as defined in the SNiP II-7-81.

To create a response spectrum as defined in the SNiP code, enter the General | Load & Definition Page and create or select the load case which is to be used. Click on the Add… button and select the Response Spectra option from the left panel.

Enter the required data in the provided fields and click on the Add button to include the command in the selected load case of the data file.