Method getResponse

SRC/element/twoNodeLink/TwoNodeLinkSection.cpp:1058–1115

int TwoNodeLinkSection::getResponse(int responseID, Information &eleInfo)
{
  int numDIR = theSection->getOrder();
  
    Vector defoAndForce(numDIR*2);
    Vector &theVec = *(eleInfo.theVector);
    ID &theID = *(eleInfo.theID);    
    
    switch (responseID)  {
    case 1:  // global forces
        return eleInfo.setVector(this->getResistingForce());
        
    case 2:  // local forces
        theVector->Zero();
        // determine resisting forces in local system
        theVector->addMatrixTransposeVector(0.0, Tlb, qb, 1.0);
        // add P-Delta effects to local forces
        if (Mratio.Size() == 4)
            this->addPDeltaForces(*theVector, qb);
        
        return eleInfo.setVector(*theVector);
        
    case 3:  // basic forces
        return eleInfo.setVector(qb);
        
    case 4:  // local displacements
        return eleInfo.setVector(ul);
        
    case 5:  // basic displacements
        return eleInfo.setVector(ub);
        
    case 6:  // basic deformations and basic forces
        defoAndForce.Zero();
        defoAndForce.Assemble(ub,0);
        defoAndForce.Assemble(qb,numDIR);
        
        return eleInfo.setVector(defoAndForce);

    case 20:
      theVec(0) = trans(0,0);
      theVec(1) = trans(0,1);
      theVec(2) = trans(0,2);
      return 0;
    case 21:
      theVec(0) = trans(1,0);
      theVec(1) = trans(1,1);
      theVec(2) = trans(1,2);
      return 0;
    case 22:
      theVec(0) = trans(2,0);
      theVec(1) = trans(2,1);
      theVec(2) = trans(2,2);
      return 0;

    default:
        return -1;
    }
}