Thanks for your response.
I am not a good Matlab user but I wonder how Matlab can perform a modal analysis if it doesn,t know anything about the structure, flexibility matrix, mass matrix, eigen values and other?
Hy.
I run a modal time history analysis of a planar frame loaded with time varying forces asigned at all floor levels.
I need your help to plot the base shear values or top lateral displacements for all mode shapes separately and not the maximum values that SAP200 computes (using combination of...
