abaqus umat介电弹性体Mooney-Rivlin model + electrostatic
CMooney-Rivlinmodel+electrostaticenergyfunction(E_MRmodel.f)SUBROUTINEUMAT(STRESS,STATEV,DDSDDE,SSE,SPD,SCD,1RPL,DDSDDT,DRPLDE,DRPLDT,2STRAN,DSTRAN,TIME,DTIME,TEMP,DTEMP,PREDEF,DPRED,CMNAME,3NDI,NSHR,