Full Etabs course https://www.youtube.com/watch?v=zq0YbxzFN_I&list=PLDyhMW3kzPDAOR0UYuJaFNxv0e3cPlcUH SAP2000 course https://www.youtube.com/watch?v=RzVVDp1CKE0&list=PLDyhMW3kzPDCDymHF3dplMvKcLRJYPC5F In this video i have shown how to calculate story center of mass and center of rigidity Also how to see building center of mass and center of rigidity coordinates Torsional irregularity Mass irregularity Building Centroid Analysis and check Calculate Story stiffness Calculate building stiffness Center of stiffness Center of weight Center of rigidity shear walls example Center of rigidity problem Center of rigidity calculations Center of mass Center of gravity example Center of mass and center of gravity Centre of rigidity in staad Stiffness #etabs #engineering #Design