C++ AnalysisModel::updateDomain方法代码示例

int PFEMIntegrator::newStep(double deltaT)
{

    if (deltaT <= 0.0)  {
        opserr << "PFEMIntegrator::newStep() - error in variable\n";
        opserr << "dT = " << deltaT << endln;
        return -2;	
    }

    // get a pointer to the AnalysisModel and Domain
    AnalysisModel *theModel = this->getAnalysisModel();
    if(theModel == 0) {
        opserr << "Analysis model has not been linked - PFEMIntegrator::newStep()\n";
        return -1;
    }
    Domain* theDomain = theModel->getDomainPtr();
    if(theDomain == 0) {
        opserr<<"WARNING: no domain is set for the model";
        opserr<<" -- PFEMIntegrator::newStep()\n";
        return -1;
    }
    
    // set the constants
    c1 = deltaT;
    c2 = 1.0;
    c3 = 1.0/deltaT;

    c4 = deltaT*deltaT;
    c5 = deltaT;
    c6 = 1.0;

    // check if domainchange() is called
    if (U == 0)  {
        opserr << "PFEMIntegrator::newStep() - domainChange() failed or hasn't been called\n";
        return -3;	
    }
    
    // set response at t to be that at t+deltaT of previous step
    (*Ut) = *U;        
    (*Utdot) = *Udot;  
    (*Utdotdot) = *Udotdot;
    
    // determinte new disps and accels
    U->addVector(1.0, *Utdot, deltaT);
    Udotdot->Zero();

    // set states
    theModel->setDisp(*U);
    theModel->setAccel(*Udotdot);
    
    // increment the time to t+deltaT and apply the load
    double time = theModel->getCurrentDomainTime();
    time += deltaT;
    if (theModel->updateDomain(time, deltaT) < 0)  {
        opserr << "PFEMIntegrator::newStep() - failed to update the domain\n";
        return -4;
    }
    
    return 0;
}

int HHT::newStep(double _deltaT)
{
    deltaT = _deltaT;
    if (beta == 0 || gamma == 0 )  {
        opserr << "HHT::newStep() - error in variable\n";
        opserr << "gamma = " << gamma << " beta = " << beta << endln;
        return -1;
    }
    
    if (deltaT <= 0.0)  {
        opserr << "HHT::newStep() - error in variable\n";
        opserr << "dT = " << deltaT << endln;
        return -2;
    }
    
    // get a pointer to the AnalysisModel
    AnalysisModel *theModel = this->getAnalysisModel();
    
    // set the constants
    c1 = 1.0;
    c2 = gamma/(beta*deltaT);
    c3 = 1.0/(beta*deltaT*deltaT);
    
    if (U == 0)  {
        opserr << "HHT::newStep() - domainChange() failed or hasn't been called\n";
        return -3;
    }
    
    // set response at t to be that at t+deltaT of previous step
    (*Ut) = *U;
    (*Utdot) = *Udot;
    (*Utdotdot) = *Udotdot;
    
    // determine new velocities and accelerations at t+deltaT
    double a1 = (1.0 - gamma/beta);
    double a2 = deltaT*(1.0 - 0.5*gamma/beta);
    Udot->addVector(a1, *Utdotdot, a2);
    
    double a3 = -1.0/(beta*deltaT);
    double a4 = 1.0 - 0.5/beta;
    Udotdot->addVector(a4, *Utdot, a3);
    
    // determine the velocities at t+alpha*deltaT
    (*Ualphadot) = *Utdot;
    Ualphadot->addVector((1.0-alpha), *Udot, alpha);
    
    // set the trial response quantities
    theModel->setVel(*Ualphadot);
    theModel->setAccel(*Udotdot);
    
    // increment the time to t+alpha*deltaT and apply the load
    double time = theModel->getCurrentDomainTime();
    time += alpha*deltaT;
    if (theModel->updateDomain(time, deltaT) < 0)  {
        opserr << "HHT::newStep() - failed to update the domain\n";
        return -4;
    }
    
    return 0;
}

int
DisplacementControl::update(const Vector &dU)
{

  if (theDofID == -1) {
    opserr << "DisplacementControl::newStep() - domainChanged has not been called\n";
    return -1;
  } 
    AnalysisModel *theModel = this->getAnalysisModel();
    LinearSOE *theLinSOE = this->getLinearSOE();    
    if (theModel == 0 || theLinSOE == 0) {
	opserr << "WARNING DisplacementControl::update() ";
	opserr << "No AnalysisModel or LinearSOE has been set\n";
	return -1;
    }

    (*deltaUbar) = dU; // have to do this as the SOE is gonna change
    double dUabar = (*deltaUbar)(theDofID);
    
    // determine dUhat    
    theLinSOE->setB(*phat);
    theLinSOE->solve();
    (*deltaUhat) = theLinSOE->getX();    

    double dUahat = (*deltaUhat)(theDofID);
    if (dUahat == 0.0) {
	opserr << "WARNING DisplacementControl::update() ";
	opserr << "dUahat is zero -- zero reference displacement at control node DOF\n";
	return -1;
    }
    
    // determine delta lambda(1) == dlambda    
    double dLambda = -dUabar/dUahat;
    
    // determine delta U(i)
    (*deltaU) = (*deltaUbar);    
    deltaU->addVector(1.0, *deltaUhat,dLambda);
    
    // update dU and dlambda
    (*deltaUstep) += *deltaU;
    deltaLambdaStep += dLambda;
    currentLambda += dLambda;

    // update the model
    theModel->incrDisp(*deltaU);    
    theModel->applyLoadDomain(currentLambda);    
    if (theModel->updateDomain() < 0) {
      opserr << "DisplacementControl::update - model failed to update for new dU\n";
      return -1;
    }
	
    
    // set the X soln in linearSOE to be deltaU for convergence Test
    theLinSOE->setX(*deltaU);

    numIncrLastStep++;

    return 0;
}

int NewmarkHSFixedNumIter::update(const Vector &deltaU)
{
    AnalysisModel *theModel = this->getAnalysisModel();
    if (theModel == 0)  {
        opserr << "WARNING NewmarkHSFixedNumIter::update() - no AnalysisModel set\n";
        return -1;
    }
    ConvergenceTest *theTest = this->getConvergenceTest();
    if (theTest == 0)  {
        opserr << "WARNING NewmarkHSFixedNumIter::update() - no ConvergenceTest set\n";
        return -2;
    }

    // check domainChanged() has been called, i.e. Ut will not be zero
    if (Ut == 0)  {
        opserr << "WARNING NewmarkHSFixedNumIter::update() - domainChange() failed or not called\n";
        return -3;
    }

    // check deltaU is of correct size
    if (deltaU.Size() != U->Size())  {
        opserr << "WARNING NewmarkHSFixedNumIter::update() - Vectors of incompatible size";
        opserr << " expecting " << U->Size() << " obtained " << deltaU.Size() << endln;
        return -4;
    }

    // get interpolation location and scale displacement increment
    x = (double) theTest->getNumTests()/theTest->getMaxNumTests();
    if (polyOrder == 1)  {
        (*scaledDeltaU) = x*((*U)+deltaU) - (x-1.0)*(*Ut)  - (*U);
    }
    else if (polyOrder == 2)  {
        (*scaledDeltaU) = x*(x+1.0)/2.0*((*U)+deltaU) - (x-1.0)*(x+1.0)*(*Ut)
                          + (x-1.0)*x/2.0*(*Utm1) - (*U);
    }
    else if (polyOrder == 3)  {
        (*scaledDeltaU) = x*(x+1.0)*(x+2.0)/6.0*((*U)+deltaU) - (x-1.0)*(x+1.0)*(x+2.0)/2.0*(*Ut)
                          + (x-1.0)*x*(x+2.0)/2.0*(*Utm1) - (x-1.0)*x*(x+1.0)/6.0*(*Utm2) - (*U);
    }
    else  {
        opserr << "WARNING NewmarkHSFixedNumIter::update() - polyOrder > 3 not supported\n";
    }

    // determine the response at t+deltaT
    U->addVector(1.0, *scaledDeltaU, c1);

    Udot->addVector(1.0, *scaledDeltaU, c2);

    Udotdot->addVector(1.0, *scaledDeltaU, c3);

    // update the response at the DOFs
    theModel->setResponse(*U,*Udot,*Udotdot);
    if (theModel->updateDomain() < 0)  {
        opserr << "NewmarkHSFixedNumIter::update() - failed to update the domain\n";
        return -5;
    }

    return 0;
}

int NewmarkExplicit::newStep(double deltaT)
{
    updateCount = 0;
    
    if (gamma == 0)  {
        opserr << "NewmarkExplicit::newStep() - error in variable\n";
        opserr << "gamma = " << gamma << endln;
        return -1;
    }
    
    if (deltaT <= 0.0)  {
        opserr << "NewmarkExplicit::newStep() - error in variable\n";
        opserr << "dT = " << deltaT << endln;
        return -2;
    }
    
    // get a pointer to the AnalysisModel
    AnalysisModel *theModel = this->getAnalysisModel();
    
    // set the constants
    c2 = gamma*deltaT;
    c3 = 1.0;
    
    if (U == 0)  {
        opserr << "NewmarkExplicit::newStep() - domainChange() failed or hasn't been called\n";
        return -3;
    }
    
    // set response at t to be that at t+deltaT of previous step
    (*Ut) = *U;
    (*Utdot) = *Udot;
    (*Utdotdot) = *Udotdot;
    
    // determine new response at time t+deltaT
    U->addVector(1.0, *Utdot, deltaT);
    double a1 = 0.5*deltaT*deltaT;
    U->addVector(1.0, *Utdotdot, a1);
    
    double a2 = deltaT*(1.0 - gamma);
    Udot->addVector(1.0, *Utdotdot, a2);
    
    Udotdot->Zero();
    
    // set the trial response quantities
    theModel->setResponse(*U, *Udot, *Udotdot);
    
    // increment the time to t+deltaT and apply the load
    double time = theModel->getCurrentDomainTime();
    time += deltaT;
    if (theModel->updateDomain(time, deltaT) < 0)  {
        opserr << "NewmarkExplicit::newStep() - failed to update the domain\n";
        return -4;
    }
    
    return 0;
}

int CentralDifference::update(const Vector &U)
{
    updateCount++;
    if (updateCount > 1)  {
        opserr << "WARNING CentralDifference::update() - called more than once -";
        opserr << " CentralDifference integration scheme requires a LINEAR solution algorithm\n";
        return -1;
    }
    
    AnalysisModel *theModel = this->getAnalysisModel();
    if (theModel == 0)  {
        opserr << "WARNING CentralDifference::update() - no AnalysisModel set\n";
        return -1;
    }	
    
    // check domainChanged() has been called, i.e. Ut will not be zero
    if (Ut == 0)  {
        opserr << "WARNING CentralDifference::update() - domainChange() failed or not called\n";
        return -2;
    }	
    
    // check U is of correct size
    if (U.Size() != Ut->Size()) {
        opserr << "WARNING CentralDifference::update() - Vectors of incompatible size ";
        opserr << " expecting " << Ut->Size() << " obtained " << U.Size() << endln;
        return -3;
    }
    
    //  determine the response at t+deltaT
    Udot->addVector(0.0, U, 3.0);
    Udot->addVector(1.0, *Ut, -4.0);
    Udot->addVector(1.0, *Utm1, 1.0);
    (*Udot) *= c2;
    
    Udotdot->addVector(0.0, *Udot, 1.0);
    Udotdot->addVector(1.0, *Utdot, -1.0);
    (*Udotdot) /= deltaT;
       
    // update the response at the DOFs
    theModel->setResponse(U, *Udot, *Udotdot);
    if (theModel->updateDomain() < 0)  {
        opserr << "CentralDifference::update() - failed to update the domain\n";
        return -4;
    }
    
    // set response at t to be that at t+deltaT of previous step
    (*Utm1) = *Ut;
    (*Ut) = U;

    return 0;
}    

int
ArcLength::newStep(void)
{
    // get pointers to AnalysisModel and LinearSOE
    AnalysisModel *theModel = this->getAnalysisModel();
    LinearSOE *theLinSOE = this->getLinearSOE();    
    if (theModel == 0 || theLinSOE == 0) {
	opserr << "WARNING ArcLength::newStep() ";
	opserr << "No AnalysisModel or LinearSOE has been set\n";
	return -1;
    }

    // get the current load factor
    currentLambda = theModel->getCurrentDomainTime();

    if (deltaLambdaStep < 0)
	signLastDeltaLambdaStep = -1;
    else
	signLastDeltaLambdaStep = +1;

    // determine dUhat
    this->formTangent();
    theLinSOE->setB(*phat);
    if (theLinSOE->solve() < 0) {
      opserr << "ArcLength::newStep(void) - failed in solver\n";
      return -1;
    }

    (*deltaUhat) = theLinSOE->getX();
    Vector &dUhat = *deltaUhat;
    
    // determine delta lambda(1) == dlambda
    double dLambda = sqrt(arcLength2/((dUhat^dUhat)+alpha2));
    dLambda *= signLastDeltaLambdaStep; // base sign of load change
                                        // on what was happening last step
    deltaLambdaStep = dLambda;
    currentLambda += dLambda;

    // determine delta U(1) == dU
    (*deltaU) = dUhat;
    (*deltaU) *= dLambda;
    (*deltaUstep) = (*deltaU);

    // update model with delta lambda and delta U
    theModel->incrDisp(*deltaU);    
    theModel->applyLoadDomain(currentLambda);    
    theModel->updateDomain();

    return 0;
}

int AlphaOS::update(const Vector &deltaU)
{
    updateCount++;
    if (updateCount > 1)  {
        opserr << "WARNING AlphaOS::update() - called more than once -";
        opserr << " AlphaOS integration scheme requires a LINEAR solution algorithm\n";
        return -1;
    }
    
    AnalysisModel *theModel = this->getAnalysisModel();
    if (theModel == 0)  {
        opserr << "WARNING AlphaOS::update() - no AnalysisModel set\n";
        return -2;
    }
    
    // check domainChanged() has been called, i.e. Ut will not be zero
    if (Ut == 0)  {
        opserr << "WARNING AlphaOS::update() - domainChange() failed or not called\n";
        return -3;
    }
    
    // check deltaU is of correct size
    if (deltaU.Size() != U->Size())  {
        opserr << "WARNING AlphaOS::update() - Vectors of incompatible size ";
        opserr << " expecting " << U->Size() << " obtained " << deltaU.Size() << "\n";
        return -4;
    }
    
    // save the predictor displacements
    (*Upt) = *U;
    
    //  determine the response at t+deltaT
    U->addVector(1.0, deltaU, c1);
    
    Udot->addVector(1.0, deltaU, c2);
    
    Udotdot->addVector(0.0, deltaU, c3);
    
    // update the response at the DOFs
    theModel->setVel(*Udot);
    theModel->setAccel(*Udotdot);
    if (theModel->updateDomain() < 0)  {
        opserr << "AlphaOS::update() - failed to update the domain\n";
        return -5;
    }
    // do not update displacements in elements only at nodes
    theModel->setDisp(*U);
    
    return 0;
}

int
HHT1::commit(void)
{
  AnalysisModel *theModel = this->getAnalysisModel();
  if (theModel == 0) {
    opserr << "WARNING HHT1::commit() - no AnalysisModel set\n";
    return -1;
  }	  

  // update the responses at the DOFs
  theModel->setResponse(*U,*Udot,*Udotdot);        
  theModel->updateDomain();

  return theModel->commitDomain();
}

int
CentralDifferenceAlternative::update(const Vector &X)
{
  updateCount++;
  if (updateCount > 1) {
    opserr << "ERROR CentralDifferenceAlternative::update() - called more than once -";
    opserr << " Central Difference integraion schemes require a LINEAR solution algorithm\n";
    return -1;
  }
  
  AnalysisModel *theModel = this->getAnalysisModel();

  if (theModel == 0) {
    opserr << "ERROR CentralDifferenceAlternative::update() - no AnalysisModel set\n";
    return -2;
  }	
  
  // check domainChanged() has been called, i.e. Ut will not be zero
  if (Ut == 0) {
    opserr << "WARNING CentralDifferenceAlternative::update() - domainChange() failed or not called\n";
    return -2;
  }	

  // check deltaU is of correct size
  if (X.Size() != Ut->Size()) {
    opserr << "WARNING CentralDifferenceAlternative::update() - Vectors of incompatible size ";
    opserr << " expecting " << Ut->Size() << " obtained " << X.Size() << endln;
    return -3;
  }


  //  determine the displacement at t+delta t 
  Utp1->addVector(0.0, X, deltaT * deltaT);
  (*Utp1) += *Ut;
  Utp1->addVector(1.0, *Udot, deltaT);

  //  determine the vel at t+ 0.5 * delta t 
  (*Udot) =  *Utp1;
  (*Udot) -= *Ut;
  (*Udot) *= (1.0/deltaT);

  // update the disp & responses at the DOFs
  theModel->setDisp(*Utp1);
  theModel->setVel(*Udot);
  theModel->updateDomain();

  return 0;
  }    

int GeneralizedAlpha::update(const Vector &deltaU)
{
    AnalysisModel *theModel = this->getAnalysisModel();
    if (theModel == 0)  {
        opserr << "WARNING GeneralizedAlpha::update() - no AnalysisModel set\n";
        return -1;
    }
    
    // check domainChanged() has been called, i.e. Ut will not be zero
    if (Ut == 0)  {
        opserr << "WARNING GeneralizedAlpha::update() - domainChange() failed or not called\n";
        return -2;
    }
    
    // check deltaU is of correct size
    if (deltaU.Size() != U->Size())  {
        opserr << "WARNING GeneralizedAlpha::update() - Vectors of incompatible size ";
        opserr << " expecting " << U->Size() << " obtained " << deltaU.Size() << endln;
        return -3;
    }
    
    //  determine the response at t+deltaT
    (*U) += deltaU;
    Udot->addVector(1.0, deltaU, c2);
    Udotdot->addVector(1.0, deltaU, c3);

    // determine displacement and velocity at t+alphaF*deltaT
    (*Ualpha) = *Ut;
    Ualpha->addVector((1.0-alphaF), *U, alphaF);

    (*Ualphadot) = *Utdot;
    Ualphadot->addVector((1.0-alphaF), *Udot, alphaF);

    // determine the velocities at t+alphaM*deltaT
    (*Ualphadotdot) = *Utdotdot;
    Ualphadotdot->addVector((1.0-alphaM), *Udotdot, alphaM);

    
    // update the response at the DOFs
    theModel->setResponse(*Ualpha,*Ualphadot,*Udotdot);        
    if (theModel->updateDomain() < 0)  {
        opserr << "GeneralizedAlpha::update() - failed to update the domain\n";
        return -4;
    }
    
    return 0;
}

int
ArcLength1::update(const Vector &dU)
{
    AnalysisModel *theModel = this->getAnalysisModel();
    LinearSOE *theLinSOE = this->getLinearSOE();    
    if (theModel == 0 || theLinSOE == 0) {
	opserr << "WARNING ArcLength1::update() ";
	opserr << "No AnalysisModel or LinearSOE has been set\n";
	return -1;
    }

    (*deltaUbar) = dU; // have to do this as the SOE is gonna change

    // determine dUhat    
    theLinSOE->setB(*phat);
    theLinSOE->solve();
    (*deltaUhat) = theLinSOE->getX();    

    // determine delta lambda(i)
    double a = (*deltaUstep)^(*deltaUbar);
    double b = (*deltaUstep)^(*deltaUhat) + alpha2*deltaLambdaStep;
    if (b == 0) {
      opserr << "ArcLength1::update() - zero denominator,";
      opserr << " alpha was set to 0.0 and zero reference load\n";
      return -1;
    }
    double dLambda = -a/b;

    // determine delta U(i)
    (*deltaU) = (*deltaUbar);    
    deltaU->addVector(1.0, *deltaUhat,dLambda);
    
    // update dU and dlambda
    (*deltaUstep) += *deltaU;
    deltaLambdaStep += dLambda;
    currentLambda += dLambda;

    // update the model
    theModel->incrDisp(*deltaU);    
    theModel->applyLoadDomain(currentLambda);    
    theModel->updateDomain();
    
    // set the X soln in linearSOE to be deltaU for convergence Test
    theLinSOE->setX(*deltaU);

    return 0;
}

int CentralDifference::newStep(double _deltaT)
{
    updateCount = 0;
    
    deltaT = _deltaT;
    if (deltaT <= 0.0)  {
        opserr << "CentralDifference::newStep() - error in variable\n";
        opserr << "dT = " << deltaT << endln;
        return -2;	
    }
    
    // get a pointer to the AnalysisModel
    AnalysisModel *theModel = this->getAnalysisModel();
    
    // set the constants
    c2 = 0.5/deltaT;
    c3 = 1.0/(deltaT*deltaT);
    
    if (Ut == 0)  {
        opserr << "CentralDifference::newStep() - domainChange() failed or hasn't been called\n";
        return -3;	
    }
        
    // determine the garbage velocities and accelerations at t
    Utdot->addVector(0.0, *Utm1, -c2);
    
    Utdotdot->addVector(0.0, *Ut, -2.0*c3);
    Utdotdot->addVector(1.0, *Utm1, c3);
    
    // set the garbage response quantities for the nodes
    theModel->setVel(*Utdot);
    theModel->setAccel(*Utdotdot);

    // increment the time to t and apply the load
    double time = theModel->getCurrentDomainTime();
    if (theModel->updateDomain(time, deltaT) < 0)  {
        opserr << "CentralDifference::newStep() - failed to update the domain\n";
        return -4;
    }
    
    // set response at t to be that at t+deltaT of previous step
    (*Utdot) = *Udot;
    (*Utdotdot) = *Udotdot;
    
    return 0;
}

int KRAlphaExplicit::update(const Vector &aiPlusOne)
{
    updateCount++;
    if (updateCount > 1)  {
        opserr << "WARNING KRAlphaExplicit::update() - called more than once -";
        opserr << " KRAlphaExplicit integration scheme requires a LINEAR solution algorithm\n";
        return -1;
    }
    
    AnalysisModel *theModel = this->getAnalysisModel();
    if (theModel == 0)  {
        opserr << "WARNING KRAlphaExplicit::update() - no AnalysisModel set\n";
        return -1;
    }
    
    // check domainChanged() has been called, i.e. Ut will not be zero
    if (Ut == 0)  {
        opserr << "WARNING KRAlphaExplicit::update() - domainChange() failed or not called\n";
        return -2;
    }
    
    // check aiPlusOne is of correct size
    if (aiPlusOne.Size() != U->Size())  {
        opserr << "WARNING KRAlphaExplicit::update() - Vectors of incompatible size ";
        opserr << " expecting " << U->Size() << " obtained " << aiPlusOne.Size() << endln;
        return -3;
    }
    
    //  determine the response at t+deltaT
    //U->addVector(1.0, aiPlusOne, c1);  // c1 = 0.0
    
    //Udot->addVector(1.0, aiPlusOne, c2);  // c2 = 0.0
    
    Udotdot->addVector(0.0, aiPlusOne, 1.0);
    
    // update the response at the DOFs
    theModel->setResponse(*U, *Udot, *Udotdot);
    if (updDomFlag == true)  {
        if (theModel->updateDomain() < 0)  {
            opserr << "WARNING KRAlphaExplicit::update() - failed to update the domain\n";
            return -4;
        }
    }
    
    return 0;
}

int
ArcLengthw::update(const Vector &dU)
{
    ofstream factor;
    factor.open("FS.dat",ios::app);

    factor<<"insideupdate"<<endln;
    //factor>>dU;
    factor<<"insideupdate1"<<endln;

    AnalysisModel *theModel = this->getAnalysisModel();
    LinearSOE *theLinSOE = this->getLinearSOE();    
    if (theModel == 0 || theLinSOE == 0) {
	opserr << "WARNING ArcLengthw::update() ";
	opserr << "No AnalysisModel or LinearSOE has been set\n";
	return -1;
    }

    (*deltaUbar) = dU; // have to do this as the SOE is gonna change

    // determine dUhat    
    theLinSOE->setB(*phat);
    theLinSOE->solve();
    (*deltaUhat) = theLinSOE->getX();    

    double dLambda = -((*phat)^(*deltaUbar))/((*phat)^(*deltaUhat));

    (*deltaU) = (*deltaUbar);    
    deltaU->addVector(1.0, *deltaUhat,dLambda);
    
    // update dU and dlambda
    (*deltaUstep) += *deltaU;
    deltaLambdaStep += dLambda;
    currentLambda += dLambda;

    // update the model
    theModel->incrDisp(*deltaU);    
    theModel->applyLoadDomain(currentLambda);    
    theModel->updateDomain();
    
    // set the X soln in linearSOE to be deltaU for convergence Test
    theLinSOE->setX(*deltaU);

    return 0;
}