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What is the best way to calculate energy of earthquke force the structure?

Hi all,
what exactly is kappaZ or Y in deformation recorder of a 3d beamColumn?(Theta or phi)

Hi all,
can anyone show me good source about Todeschini parabolic model for Unconfined concrete?

Hi, I've 2 questions. 1- when we use "beamWithHinges" element should we be sure that hinging ocurs at two ends.For example when we know that max of stress is in the middle of a beam can this element be used for the beam? 2- is "beamWithHinges" better than "dispBeamColumn&quo...

Thanks.

Thanks vesna for reply.
could you please tell me how? (Something like instability or not converging occurs during analysis or we should find it from displacements which have been recorded?)

Hi,
can OpenSees capture the "Resonance Phenomena" during an EQ?

hi, I use pysimple1 as a material of zerolength element for modeling soil-pile interface. As we know, This material take the parameters like pult,y50 and soil type and create p-y curves.Then in the analysis process these curves will used to define the soil response. My question is: "how OpenSee...

I suggest you to follow these steps: 1- Copy the information to Word. 2- Press Ctrl+f and go to Replace window. 3- Now replace unnecessary word such as “coordinate” and ":" with " ".IF you want to use the OSP you also should replace "Node" with "node". 4- Copy...