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Hi dear Silvia I need the source code or executable opensees program file that the modified "UniaxialMaterial Clough" model included into code. May I have a executable opensees code with above mentioned model ? This model implemented by Dr. Altoontash in Standford university (2004). be app...

Hi msa_imeg
Your codes can help me a lot, Please Upload your codes here.

sincerely

Hi Dr.silvia
Which one of materials models Ibarra's hysteretic model with it's degradations parameters?
Sincerely

Hi dear Silvia please check my model and tell me why committed displacement is zero! # 1STORY FRAME MODELING # Written: Seyyed Abbas Hoseyni # Date : 2009 ################################# model BasicBuilder -ndm 2 -ndf 3; # Units: kg,m ################################# #nodal coordinates #node ntag...

Hi Frank
I need to calculate mass participation factor , I don't think Opensees has any command to do this !?
which Class and Variable store mass matrix , tangent matrix and damping matrix ?

thanks