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hello everybody!
how can i model P-Delta effect in OpenSEES?

hello every body!
how can i model a shear wall in opensees?
can anybody send me an example file?

hello everybody
i have modeled a 3D 3-story building with 6 degrees of freedoms considerations.
i want to record mode shapes.but i can just get four first mode shapes, not more than them. i need fifth and above mode shapes, too.
what should i do?
thanks.

ali2012 wrote: > hello to all > i wrote a code. in this code i wanted get the maximum displacement of a > beam on the two simple supported in the explosion load. also the natural > frequencies of the beam. i devided the beam into the 4 elements by > elasticbeamcolumn element.analysis is elastic perf...

please help
how can i model and apply the explosive load in opensees?

hi
how can i model and apply the explosive load in opensees?

what does mean the integrator load control value? please explain by example: suppose this is the applyed load pattern for 3-story frame:[1;2;3] and we have following order: integerator loadcontrol 10 if the factor in linear time serries would be one, so the applied load in the next step is 1) [11;12...

hi
I mean every story forces!
does it obtain from summation of column forces in each story?

what do u suggest to put in parameters when defining concrete01 material?
how can i find them correctly :the elastic and ultimate strain!

How could i run IDA in OS?
can i run it like the time history analysis and just change the factor of the EQ record in uniaxial pattern?

hello
how can i record existing story forces in opensees?

hi
RC frame periods modeled in opensees does not match with etabs periods.
what do you suggest to check?
thanks

hi
how i can draw pushover curve?
in fact which outputs from opensees records can be used in oreder to draw pushover curve?
thanks

Hello
please clarify me
what is the value in front of integrator loadcontrol in pushover analysis?
is it the base shear increment or the load vector increment in each step?
thanks

Hello.
Thank you very much, dear vesna.