C++ AnalysisModel::incrDisp方法代码示例

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
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
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
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;
}

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

    myModel->incrDisp(deltaU);    
    if (myModel->updateDomain() < 0) {
      opserr << "LoadControl::update - model failed to update for new dU\n";
      return -1;
    }

    // Set deltaU for the convergence test
    theSOE->setX(deltaU);

    numIncrLastStep++;

    return 0;
}

int
DisplacementControl::newStep(void)
{
	if (theDofID == -1) {
		opserr << "DisplacementControl::newStep() - domainChanged has not been called\n";
		return -1;
	}

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


    // determine increment for this iteration
    double factor = specNumIncrStep/numIncrLastStep;
    theIncrement *=factor;

    if (theIncrement < minIncrement)
      theIncrement = minIncrement;
    else if (theIncrement > maxIncrement)
      theIncrement = maxIncrement;


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

    // determine dUhat
    this->formTangent();
    theLinSOE->setB(*phat);

    if (theLinSOE->solve() < 0) {
      opserr << "DisplacementControl::newStep(void) - failed in solver\n";
      return -1;
    }

    (*deltaUhat) = theLinSOE->getX();
    Vector &dUhat = *deltaUhat;

    double dUahat = dUhat(theDofID);
    if (dUahat == 0.0) {
	opserr << "WARNING DisplacementControl::newStep() ";
	opserr << "dUahat is zero -- zero reference displacement at control node DOF\n";
	return -1;
    }
    
    // determine delta lambda(1) == dlambda    
    double dLambda = theIncrement/dUahat;

    deltaLambdaStep = dLambda;
    currentLambda += dLambda;
 //   opserr << "DisplacementControl: " << dUahat  << " " << theDofID << endln;
 //   opserr << "DisplacementControl::newStep() : " << deltaLambdaStep << endln;
    // 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);    
    if (theModel->updateDomain() < 0) {
      opserr << "DisplacementControl::newStep - model failed to update for new dU\n";
      return -1;
    }

    numIncrLastStep = 0;

    return 0;
}

int
DisplacementPath::newStep(void)
{
	if (theDofID == -1) {
		opserr << "DisplacementPath::newStep() - domainChanged has not been called\n";
		return -1;
	}

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

	// check theIncrementVector Vector
	if ( theIncrementVector == 0 ) {
		opserr << "DisplacementPath::newStep() - no theIncrementVector associated with object\n";
		return -2;
	}


    // determine increment for this iteration
    if (currentStep < theIncrementVector->Size()) {
		theCurrentIncrement = (*theIncrementVector)(currentStep);
	}
	else {
		theCurrentIncrement = 0.0;
		opserr << "DisplacementPath::newStep() - reach the end of specified load path\n";
		opserr << " - setting theCurrentIncrement = 0.0\n";
	}


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


    // determine dUhat and dUabar
    this->formTangent();
    this->formUnbalance();

	(*deltaUbar) = theLinSOE->getX();
	double dUabar = (*deltaUbar)(theDofID);


    theLinSOE->setB(*phat);

    if (theLinSOE->solve() < 0) {
      opserr << "DisplacementControl::newStep(void) - failed in solver\n";
      return -1;
    }
    
	
	(*deltaUhat) = theLinSOE->getX();
    Vector &dUhat = *deltaUhat;

    double dUahat = dUhat(theDofID);

	//opserr << " newStep( ) " << endln;
    //opserr << " theDofID = " << theDofID << endln;
	//opserr << "dUahat = " << dUahat << endln;

    if (dUahat == 0.0) {
	opserr << "WARNING DisplacementPath::newStep() ";
	opserr << "dUahat is zero -- zero reference displacement at control node DOF\n";
    
	opserr << "currentStep = " << currentStep << endln; // add by zhong
	opserr << " theCurrentIncrement = " << theCurrentIncrement << endln; // zhong

	return -1;
    }
    

    // determine delta lambda(1) == dlambda    
    double dLambda = (theCurrentIncrement-dUabar)/dUahat;

    deltaLambdaStep = dLambda;
    currentLambda += dLambda;
 //   opserr << "DisplacementPath: " << dUahat  << " " << theDofID << endln;
 //   opserr << "DisplacementPath::newStep() : " << deltaLambdaStep << endln;
    // 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);    
    if (theModel->updateDomain() < 0) {
      opserr << "DisplacementPath::newStep - model failed to update for new dU\n";
      return -1;
    }

    currentStep++;

    return 0;
}

int
DisplacementPath::update(const Vector &dU)
{
    // opserr << " update is invoked " << endln;
	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 DisplacementPath::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();    

	// add by zhong for check purpose
    //int size = deltaUhat->Size();
	//opserr << "\n size of deltaUhat = " << size << endln;
    //for (int i=0; i<size; i++) {
    //   opserr << " dektaUhat(i) = " << (*deltaUhat)(i) << endln;
    //}
	// finish here

    double dUahat = (*deltaUhat)(theDofID);
	//opserr << " theDofID = " << theDofID << endln;
	
	//opserr << "update( ) " << endln;
	//opserr << "dUahat = " << dUahat << endln;

    if (dUahat == 0.0) {
	opserr << "WARNING DisplacementPath::update() ";
	opserr << "dUahat is zero -- zero reference displacement at control node DOF\n";
	return -1;
    }
    
    // determine delta lambda(1) == dlambda    
    double dLambda = -dUabar/dUahat;

    // add by zhong
	//opserr << "\n dUahat = " << dUahat << endln;
	//opserr << " dUabar = " << dUabar << endln;
	//opserr << " dLambda = " << dLambda << endln;
	// finish
    
    // 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 << "DisplacementPath::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);


    return 0;
}

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

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

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

    factor<<"dUhat"<<endln;
    //factor>>dUhat;

    int size = dUhat.Size();
    int i = 0;
    double sum = 0.0;
    int Ji_1 = 0;
    double dLambda = 0.0;
    factor<<"dWibefore"<<endln;
    factor<<dWi<<endln;
    factor<<"*phat"<<endln;
    //factor>>*phat;
    factor<<"dUhat"<<endln;
    //factor>>dUhat;
    factor<<"iFactor"<<endln;
    factor<<iFactor<<endln;
    factor<<"Jd"<<endln;
    factor<<Jd<<endln;
    factor<<"iflag"<<endln;
    factor<<iflag<<endln;
    double dJd = Jd;
    double dJi_1 = 1.0;
    if( iflag == 0 ){
       dWi = ( (*phat) ^ dUhat ) * iFactor * iFactor;
       dLambda = iFactor; 
       iflag = 1;  
    }
    else if( iflag == 1 ){
	   Ji_1 = 10; //theAlgo->getNumIteration();
       dJi_1 = Ji_1;
       dWi = dWi * pow(( dJd / dJi_1 ),0.01);
       dLambda = dWi / ( (*phat)^(dUhat) );
    }
    if( Ji_1 >0){
    factor<<"Jd/Ji-1"<<endln;
    factor<<dJd/dJi_1<<endln;
    }
    factor<<"iflag"<<endln;
    factor<<iflag<<endln;

    factor<<"Ji_1"<<endln;
    factor<<Ji_1<<endln;

    factor<<"dWi"<<endln;
    factor<<dWi<<endln;
    
    deltaLambdaStep = dLambda;
    currentLambda += dLambda;

    (*deltaU) = dUhat;
    (*deltaU) *= dLambda;
    (*deltaUstep) = (*deltaU);

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

    return 0;
}