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Hello guys I want to get SDOF (Tn(natural frequency)=2.83) output. So I used "rayleigh " command to get output. First I used set damp 0.61 set omega [expr sqrt($K/$m)] rayleigh 0 0 0 [expr 2.*$damp/($omega)] Second I used(https://opensees.berkeley.edu/wiki/index.php/Time_History_Analysis_of_a_2D_Ela...

selimgunay wrote: ↑

Mon Aug 03, 2020 3:37 pm

It looks like you need to fix the vertical DOF at node 2 as well

fix 2 1 0 1

I put earthquake acceleration on direction 1 and i want to know deformation-x.
So i cant do 'fix 2 1 0 1'

Thank you for answering

Hello guys. I used "uniaxialmaterial Bond_SP01" command to make yield strength. but error comes out. So I tried "uniaxialMaterial Mulilinear" command, but same error comes out. error is WARNING SuperLU::solve(void)- Error 1 returned in factorization dgstrf() WARNING ModifiedNewton::solveCurrentStep(...

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