Method revertToLastStep

SRC/analysis/integrator/HHT.cpp:196–206

int HHT::revertToLastStep()
{
    // set response at t+deltaT to be that at t .. for next step
    if (U != 0)  {
        (*U) = *Ut;
        (*Udot) = *Utdot;
        (*Udotdot) = *Utdotdot;
    }
    
    return 0;
}


int HHT::formEleTangent(FE_Element *theEle)