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I have changed the node number ,and used a new Material. It works! In your script , there are a few questions. model BasicBuilder -ndm 2 -ndf 2 node 1 0 0 node 2 180 156 node 3 360 0 fix 1 1 1 fix 3 1 1 #geomTransf Linear 1 #uniaxialMaterial Steel01 1 36 45595 0.2. uniaxialMaterial Elastic 1 45595 e...

hello,everyone
If some elements have a same random variable ,e.g. E or EIz , how can I difine this random variable in Opensees?

It works!
Thanks a lot! Silvia!

Hello,everyone!
If I want to condensation a freedom .e.g.Mz , in a elasticBeamColumn element, how can I do it?
In fact ,it is a plastic hinge in the end node of the elasticBeamColumn element. How to model it?

Which version maybe work?

Who can give me any suggestion about this problem?

Sorry, I missed a "{" in the exprssion 1 "50.0-{rec_element_1_loacalForce_1}".
This performanceFunction can't be analysize correctly.

when I source this file in OpenSees 1.7.4,or 2.0.0, it can't work.
Then I use the performanceFunction 1 "50.0-rec_element_1_loacalForce_1}" , I can't run it successfully too.
Do I have a wrong performanceFunction or a wrong recorder file?

Dear Silvia, I have one question about truss element axialForce reliability analysis. Here is the file: model basic -ndm 2 -ndf 2 reliability node 1 0.0 0.0 node 2 10.0 1.0 node 3 20.0 0.0 set E 200.0 set P 9.0 set A0 250.0 set fy 400.0 #uniaxialMaterial Elastic 1 $E uniaxialMaterial Steel01 1 $fy $...

, Thanks a lot .

Thanks!
But I need know internal force of truss elements. How can I find it?

Sorry, the souce code has some question. This the new one: model basic -ndm 2 -ndf 2 node 1 0.0 0.0 node 2 10.0 1.0 node 3 20.0 0.0 set E 200.0 set P 18.0 set A 250.0 uniaxialMaterial Elastic 1 $E element truss 1 1 2 $A 1 element truss 2 2 3 $A 1 fix 1 1 1 fix 2 0 0 fix 3 1 1 pattern Plain 1 Linear ...

I build a simple model with two truss elements.But when I souced it , the output file just gave nothing but the number 1 like this "1 ".I know the number "1" should be the analysis step. But I cannot get the internal force of truss elements. Why?? model basic -ndm 2 -ndf 2 reliab...

I have saw the source code about CableMaterial.
I have found the correct way to use CableMaterial.
Thank you!

I want to model a cable truss element, but I can't find the right way to use CableMateril.
Who can do me a favour? Excume me for my poor English.
Thanks a lot!