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Problems with coupled plasticity damage model for concrete

    • vaibhavtaranekar
      Subscriber

      Hello guys,


      I am trying to analyse reinforced concrete under cyclic loading using the CPT model, however the solution does not run and always an unknown error obtained. Even though the solution runs while applying only axial load,but application of displacement in x direction results in error.


      Here are the snippet commands.



       


      ET,MATID,215


       


      KEYO,MATID,18,2


       


      MP,EX,MATID,25000 ! Define Elasticity Modulus (enter a value for E)


       


      MP,NUXY,MATID,0.2 ! Define Poisson's ratio


       


      TB,MPLA,1,,,DPC                    !Define Drucker-Prager


       


      TBDATA,1,31.368,36.074,3,1,40000,-40   !fuc,fbc,fut,Rt,D,sigVc


       


      TBDATA,7,2,0,2e-6,7500,2500         !R,gamt0,gamc0,betat,betac


       


      TB,MPLA,1,,,NLOCAL


       


      TBDATA,1,1600,2



      and following cyclic loading was applied



      Please provide some guidance for using CPT for cyclic loading of concrete.

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