Seismosoft | Earthquake Engineering Solutions

Hello;

I have 2 models and only differeence between them is element class of columns. One of has force based element class columns and other one has force based plastc hinge elemetn class columns. However the force based model has about 0,85sec period and the other one has about 0,60sec period. Why ...

In other words what is SeismoStruct's assumption while normalizing mode shapes.

Dear Zoi;

How can I normalized mode shapes for every nodes?

Hello;

For pushover analysis, I need mode shapes to calculate participation function. I searched about this but I can not reach any reliable and clear information. SeismoStruct has to calculate participation factors according to mode shapes. But what are these mode shapes? I read that displacement ...