can Opensees simulate the rehabilitation of a frame?

[from tongji]

how to add a element to a earthquake-damaged frame? if the element is added before the earthquake, it would have some influence to the earthquake result. then when add it?

[silvia]

try adding it afterwards.

[from tongji]

thank you,dear silvia! then how to define the coordinate of the element?the X,y coordinate have changed after earthquake

[zvidrih]

Hi,
you don't need to know the coordinates, you just need the node numbers.

element ---- id node 1 node 2...

i hope this works