Torsion Effect due to eccentricity between Centre of mass and centre of rigidity.

[SAYATTIA]

Does Etabs calculate the torsion caused by Eccentricity between Centre of mass and centre of rigidity while calculating seismic forces or Have to be applied manually by the User?

 

[wannabeSE]

I assume mean accidental eccentricity. See

https://wiki.csiamerica.com/display/etabs/Accidental+eccentricity

 

[dan97]

It seems, Etabs does not use the calculated eccentricities. Therefore, you have to input it manually when you select the "Override 5% eccentricity" tab.