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SAP2000 output

SAP2000 output

SAP2000 output

I am trying to find the center of mass and center of rigidity calculated by SAP2000. I know ETABS output them in a table format as well as graphically. But I cannot find the similar feature in SAP2000. Please help.

Also, for response spectrum analysis done in SAP2000, does anyone know if the story shear is applied automatically at the center of mass by the program. Or is it applied at all nodes of the floor elements?

If natural torion (difference in center of mass and center of rigidity) is already accounted for in SAP2000,how can I apply accidental torsion in addition?

Thank you.

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