https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/218745/pdelta-analysis-with-response-spectrum-load-caseSTAAD SPACE START JOB INFORMATION ENGINEER DATE 23-Aug-21 END JOB INFORMATION INPUT WIDTH 79 UNIT METER KN JOINT COORDINATES 1 0 17.2667 0; 2 2.59808 17.2667 -1.5; 3 0 17.2667 -3; 4 -2.59808 17.2667 -1.5; 5 -2.59808 17.2667 1.5; 6 0 17.2667 3; 7 2.59808en-USTelligent Community 12https://communities.bentley.com/thread/668833?ContentTypeID=1Sun, 29 Aug 2021 10:09:26 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:3122feeb-f2aa-4bdb-86e5-0b09dcb61cceAbhisek M<p>Please refer below link for solution.</p> <p><a href="/products/ram-staad/f/ram-staad-forum/159408/p-delta">https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/159408/p-delta</a></p><div style="clear:both;"></div>