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can use (uniaxialMaterial Bilin $matTag $K0 $as_Plus $as_Neg $My_Plus $My_Neg $Lamda_S $Lamda_C $Lamda_A $Lamda_K $c_S $c_C $c_A $c_K $theta_p_Plus $theta_p_Neg $theta_pc_Plus $theta_pc_Neg $Res_Pos $Res_Neg $theta_u_Plus $theta_u_Neg $D_Plus $D_Neg) for concrete reinforcement joint? exist any ibarr...

can use Dodd_Restrepo uniaxialMaterial command for steel frame ( such as MRF )?

which material command indicated the collapse point for incremental dynamic analysis(ida)?


thanks a lot..

in new Version 2.3.2 of the OpenSees define :
uniaxialMaterial Dodd_Restrepo $tag $Fy $Fsu $ESH $ESU $Youngs $ESHI $FSHI <$OmegaFac>

i want to know value of (Fy;Fsu;ESH;ESU;ESHI;FSHI) for st37 ??

thanks a lot.

hello I modelling a three story frame.from opensees period of mode 1 is 1.33.when use other software give period much less this is my model: # units kg,m wipe loadConst -time 0.0 # NUMBER OF DIMENTION AND DEGREES OF FREEDOM model basic -ndm 2 -ndf 3 # define nod node 1 0 0 node 2 5 0 node 3 8 0 node...

hello I modelling a three story frame.from opensees period of mode 1 is 1.33.when use other software give period much less this is my model: # units kg,m wipe loadConst -time 0.0 # NUMBER OF DIMENTION AND DEGREES OF FREEDOM model basic -ndm 2 -ndf 3 # define nod node 1 0 0 node 2 5 0 node 3 8 0 node...