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also, fmk.do OPENSEES has technical manual? we just have the user manual, it seems hard to know how the commands work.

thanks,fmk. i see now.

thanks,fmk. but in fact, both "rigidlink beam " and "rigid joint offset" treat the element as a rigid body, i am confused why they have different results.

hi, can anyone tell me the difference between "rigidlink" and "rigid joint offset"? for example , what's the difference between model 1 and model 2? thanks a lot. MODEL1 #define nodes node 1 0 0; node 2 0 1200; node 3 0 1800; node 4 0 3000; # supports of columns fix 1 1 1 1 ; # G...

hi.i'm doing a research on cyclic behavior of CFT columns,but i found that it was hard to simulate the local plastic buckling of steel tube in the plastic hinge.can anyone give me a advice? thanks in a advance.

hello,
i have a problem that i have to reduce the period of frame in the time history analysis considering the effect the mansory infill wall. can anyone tell me how to do that ?thanks.