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Thank you for your advice. i am wondering that m should be m/2 beacuse 1 story columns were 4 but the numerical model is only 2 which means k/2. But analysis result shows two results(disp, Tn, etc.) from test and anlaysis fit when input mass was m not m/2.

Hello, I am performing dynamic analysis with 2d frame and i am a little bit confused about input mass. I have 3d frame dynamic test results and the frame is the (2d frame x 2bay x 1 story) with 20 tons on the top. For the dynamic analysis with 2d frame model to get same responses from the test, do i...

Thank you for you reply.

Hello I am peforming IDA with RC frame modeled with Force-based beamcolumn element(5 numIntgrPts). I am wondering if this points is 2 when the RC frame is on plastic stage, do you think it is wrong modeling? Responses when 2 and 5 IntgrPts are quite diffrent. Is it related to the accuracy for the pl...

i downloaded opensees 3.5.0. i think there isn't any problem on website

I have been trying to perform new version of OpenSees 3.5.0, but i think "DisplayModel" command doesn't work.
Does anybody try the command?

Hello everyone, i am a newbie in opensees and i got stuck to display 3d modeling with node number.
Here's my error
DisplayModel3D nill;

Press "N" then, it stuck on the program.
Can anyone know the error?