int
PFEMIntegrator::saveSensitivity(const Vector & dVNew,int gradNum,int numGrads)
{
// Recover sensitivity results from previous step
int vectorSize = U->Size();
Vector dUn(vectorSize);
dVn.resize(vectorSize); dVn.Zero();
AnalysisModel *myModel = this->getAnalysisModel();
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
const Vector &dispSens = dofPtr->getDispSensitivity(gradNumber);
for (int i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
dUn(loc) = dispSens(i);
}
}
const Vector &velSens = dofPtr->getVelSensitivity(gradNumber);
for (int i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
dVn(loc) = velSens(i);
}
}
}
// Compute new acceleration and velocity vectors:
Vector dUNew(vectorSize);
Vector dANew(vectorSize);
// dudotdot = 1/dt*dv{n+1} - 1/dt*dvn
dANew.addVector(0.0, dVNew, c3);
dANew.addVector(1.0, dVn, -c3);
// du = dun + dt*dv{n+1}
dUNew.addVector(0.0, dVNew, c1);
dUNew.addVector(1.0, dUn, 1.0);
// Now we can save vNew, vdotNew and vdotdotNew
DOF_GrpIter &theDOFGrps = myModel->getDOFs();
DOF_Group *dofPtr1;
while ( (dofPtr1 = theDOFGrps() ) != 0) {
dofPtr1->saveSensitivity(dUNew,dVNew,dANew,gradNum,numGrads);
}
return 0;
}
int
TransientIntegrator::formTangent(int statFlag)
{
int result = 0;
statusFlag = statFlag;
LinearSOE *theLinSOE = this->getLinearSOE();
AnalysisModel *theModel = this->getAnalysisModel();
if (theLinSOE == 0 || theModel == 0) {
opserr << "WARNING TransientIntegrator::formTangent() ";
opserr << "no LinearSOE or AnalysisModel has been set\n";
return -1;
}
// the loops to form and add the tangents are broken into two for
// efficiency when performing parallel computations
theLinSOE->zeroA();
// loop through the DOF_Groups and add the unbalance
DOF_GrpIter &theDOFs = theModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
if (theLinSOE->addA(dofPtr->getTangent(this),dofPtr->getID()) <0) {
opserr << "TransientIntegrator::formTangent() - failed to addA:dof\n";
result = -1;
}
}
// loop through the FE_Elements getting them to add the tangent
FE_EleIter &theEles2 = theModel->getFEs();
FE_Element *elePtr;
while((elePtr = theEles2()) != 0) {
if (theLinSOE->addA(elePtr->getTangent(this),elePtr->getID()) < 0) {
opserr << "TransientIntegrator::formTangent() - failed to addA:ele\n";
result = -2;
}
}
return result;
}
int
IncrementalIntegrator::formNodalUnbalance(void)
{
// loop through the DOF_Groups and add the unbalance
DOF_GrpIter &theDOFs = theAnalysisModel->getDOFs();
DOF_Group *dofPtr;
int res = 0;
while ((dofPtr = theDOFs()) != 0) {
// opserr << "NODPTR: " << dofPtr->getUnbalance(this);
if (theSOE->addB(dofPtr->getUnbalance(this),dofPtr->getID()) <0) {
opserr << "WARNING IncrementalIntegrator::formNodalUnbalance -";
opserr << " failed in addB for ID " << dofPtr->getID();
res = -2;
}
}
return res;
}
int CollocationHSIncrReduct::domainChanged()
{
AnalysisModel *theModel = this->getAnalysisModel();
LinearSOE *theLinSOE = this->getLinearSOE();
const Vector &x = theLinSOE->getX();
int size = x.Size();
// create the new Vector objects
if (Ut == 0 || Ut->Size() != size) {
// delete the old
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (scaledDeltaU != 0)
delete scaledDeltaU;
// create the new
Ut = new Vector(size);
Utdot = new Vector(size);
Utdotdot = new Vector(size);
U = new Vector(size);
Udot = new Vector(size);
Udotdot = new Vector(size);
scaledDeltaU = new Vector(size);
// check we obtained the new
if (Ut == 0 || Ut->Size() != size ||
Utdot == 0 || Utdot->Size() != size ||
Utdotdot == 0 || Utdotdot->Size() != size ||
U == 0 || U->Size() != size ||
Udot == 0 || Udot->Size() != size ||
Udotdot == 0 || Udotdot->Size() != size ||
scaledDeltaU == 0 || scaledDeltaU->Size() != size) {
opserr << "CollocationHSIncrReduct::domainChanged() - ran out of memory\n";
// delete the old
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (scaledDeltaU != 0)
delete scaledDeltaU;
Ut = 0; Utdot = 0; Utdotdot = 0;
U = 0; Udot = 0; Udotdot = 0;
scaledDeltaU = 0;
return -1;
}
}
// now go through and populate U, Udot and Udotdot by iterating through
// the DOF_Groups and getting the last committed velocity and accel
DOF_GrpIter &theDOFs = theModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
int i;
const Vector &disp = dofPtr->getCommittedDisp();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*U)(loc) = disp(i);
}
}
const Vector &vel = dofPtr->getCommittedVel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udot)(loc) = vel(i);
}
}
const Vector &accel = dofPtr->getCommittedAccel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udotdot)(loc) = accel(i);
}
}
}
return 0;
}
int
HHT1::domainChanged()
{
AnalysisModel *myModel = this->getAnalysisModel();
LinearSOE *theLinSOE = this->getLinearSOE();
const Vector &x = theLinSOE->getX();
int size = x.Size();
// if damping factors exist set them in the ele & node of the domain
if (alphaM != 0.0 || betaK != 0.0 || betaKi != 0.0 || betaKc != 0.0)
myModel->setRayleighDampingFactors(alphaM, betaK, betaKi, betaKc);
// create the new Vector objects
if (Ut == 0 || Ut->Size() != size) {
// delete the old
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (Ualpha != 0)
delete Ualpha;
if (Udotalpha != 0)
delete Udotalpha;
// create the new
Ut = new Vector(size);
Utdot = new Vector(size);
Utdotdot = new Vector(size);
U = new Vector(size);
Udot = new Vector(size);
Udotdot = new Vector(size);
Ualpha = new Vector(size);
Udotalpha = new Vector(size);
// check we obtained the new
if (Ut == 0 || Ut->Size() != size ||
Utdot == 0 || Utdot->Size() != size ||
Utdotdot == 0 || Utdotdot->Size() != size ||
U == 0 || U->Size() != size ||
Udot == 0 || Udot->Size() != size ||
Udotdot == 0 || Udotdot->Size() != size ||
Ualpha == 0 || Ualpha->Size() != size ||
Udotalpha == 0 || Udotalpha->Size() != size) {
opserr << "HHT1::domainChanged - ran out of memory\n";
// delete the old
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (Ualpha != 0)
delete Ualpha;
if (Udotalpha != 0)
delete Udotalpha;
Ut = 0; Utdot = 0; Utdotdot = 0;
U = 0; Udot = 0; Udotdot = 0; Udotalpha=0; Ualpha =0;
return -1;
}
}
// now go through and populate U, Udot and Udotdot by iterating through
// the DOF_Groups and getting the last committed velocity and accel
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
int i;
const Vector &disp = dofPtr->getCommittedDisp();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*U)(loc) = disp(i);
}
}
const Vector &vel = dofPtr->getCommittedVel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udot)(loc) = vel(i);
}
}
const Vector &accel = dofPtr->getCommittedAccel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udotdot)(loc) = accel(i);
}
}
/** NOTE WE CAN't DO TOGETHER BECAUSE DOF_GROUPS USING SINGLE VECTOR ******
for (int i=0; i < id.Size(); i++) {
int loc = id(i);
if (loc >= 0) {
(*U)(loc) = disp(i);
(*Udot)(loc) = vel(i);
(*Udotdot)(loc) = accel(i);
}
}
*******************************************************************************/
}
return 0;
}
int HHTHSFixedNumIter::domainChanged()
{
AnalysisModel *myModel = this->getAnalysisModel();
LinearSOE *theLinSOE = this->getLinearSOE();
const Vector &x = theLinSOE->getX();
int size = x.Size();
// if damping factors exist set them in the ele & node of the domain
if (alphaM != 0.0 || betaK != 0.0 || betaKi != 0.0 || betaKc != 0.0)
myModel->setRayleighDampingFactors(alphaM, betaK, betaKi, betaKc);
// create the new Vector objects
if (Ut == 0 || Ut->Size() != size) {
// delete the old
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (Ualpha != 0)
delete Ualpha;
if (Ualphadot != 0)
delete Ualphadot;
if (Ualphadotdot != 0)
delete Ualphadotdot;
if (Utm1 != 0)
delete Utm1;
if (Utm2 != 0)
delete Utm2;
if (scaledDeltaU != 0)
delete scaledDeltaU;
// create the new
Ut = new Vector(size);
Utdot = new Vector(size);
Utdotdot = new Vector(size);
U = new Vector(size);
Udot = new Vector(size);
Udotdot = new Vector(size);
Ualpha = new Vector(size);
Ualphadot = new Vector(size);
Ualphadotdot = new Vector(size);
Utm1 = new Vector(size);
Utm2 = new Vector(size);
scaledDeltaU = new Vector(size);
// check we obtained the new
if (Ut == 0 || Ut->Size() != size ||
Utdot == 0 || Utdot->Size() != size ||
Utdotdot == 0 || Utdotdot->Size() != size ||
U == 0 || U->Size() != size ||
Udot == 0 || Udot->Size() != size ||
Udotdot == 0 || Udotdot->Size() != size ||
Ualpha == 0 || Ualpha->Size() != size ||
Ualphadot == 0 || Ualphadot->Size() != size ||
Ualphadotdot == 0 || Ualphadotdot->Size() != size ||
Utm1 == 0 || Utm1->Size() != size ||
Utm2 == 0 || Utm2->Size() != size ||
scaledDeltaU == 0 || scaledDeltaU->Size() != size) {
opserr << "HHTHSFixedNumIter::domainChanged - ran out of memory\n";
// delete the old
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (Ualpha != 0)
delete Ualpha;
if (Ualphadot != 0)
delete Ualphadot;
if (Ualphadotdot != 0)
delete Ualphadotdot;
if (Utm1 != 0)
delete Utm1;
if (Utm2 != 0)
delete Utm2;
if (scaledDeltaU != 0)
delete scaledDeltaU;
Ut = 0; Utdot = 0; Utdotdot = 0;
U = 0; Udot = 0; Udotdot = 0;
Ualpha = 0; Ualphadot = 0; Ualphadotdot = 0;
Utm1 = 0; Utm2 = 0; scaledDeltaU = 0;
return -1;
}
}
// now go through and populate U, Udot and Udotdot by iterating through
// the DOF_Groups and getting the last committed velocity and accel
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
int i;
const Vector &disp = dofPtr->getCommittedDisp();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Utm1)(loc) = disp(i);
(*Ut)(loc) = disp(i);
(*U)(loc) = disp(i);
}
}
const Vector &vel = dofPtr->getCommittedVel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udot)(loc) = vel(i);
}
}
const Vector &accel = dofPtr->getCommittedAccel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udotdot)(loc) = accel(i);
}
}
}
if (polyOrder == 2)
opserr << "\nWARNING: HHTHSFixedNumIter::domainChanged() - assuming Ut-1 = Ut\n";
else if (polyOrder == 3)
opserr << "\nWARNING: HHTHSFixedNumIter::domainChanged() - assuming Ut-2 = Ut-1 = Ut\n";
return 0;
}
Graph &
AnalysisModel::getDOFGraph(void)
{
if (myDOFGraph == 0) {
int numVertex = this->getNumDOF_Groups();
// myDOFGraph = new Graph(numVertex);
MapOfTaggedObjects *graphStorage = new MapOfTaggedObjects();
myDOFGraph = new Graph(*graphStorage);
//
// create a vertex for each dof
//
DOF_Group *dofPtr =0;
DOF_GrpIter &theDOFs = this->getDOFs();
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int size = id.Size();
for (int i=0; i<size; i++) {
int dofTag = id(i);
if (dofTag >= START_EQN_NUM) {
Vertex *vertexPtr = myDOFGraph->getVertexPtr(dofTag);
if (vertexPtr == 0) {
Vertex *vertexPtr = new Vertex(dofTag, dofTag);
if (vertexPtr == 0) {
opserr << "WARNING AnalysisModel::getDOFGraph";
opserr << " - Not Enough Memory to create " << i+1 << "th Vertex\n";
return *myDOFGraph;
}
if (myDOFGraph->addVertex(vertexPtr, false) == false) {
opserr << "WARNING AnalysisModel::getDOFGraph - error adding vertex\n";
return *myDOFGraph;
}
}
}
}
}
// now add the edges, by looping over the FE_elements, getting their
// IDs and adding edges between DOFs for equation numbers >= START_EQN_NUM
FE_Element *elePtr =0;
FE_EleIter &eleIter = this->getFEs();
int cnt = 0;
while((elePtr = eleIter()) != 0) {
const ID &id = elePtr->getID();
cnt++;
int size = id.Size();
for (int i=0; i<size; i++) {
int eqn1 = id(i);
// if eqnNum of DOF is a valid eqn number add an edge
// to all other DOFs with valid eqn numbers.
if (eqn1 >=START_EQN_NUM) {
for (int j=i+1; j<size; j++) {
int eqn2 = id(j);
if (eqn2 >=START_EQN_NUM)
myDOFGraph->addEdge(eqn1-START_EQN_NUM+START_VERTEX_NUM,
eqn2-START_EQN_NUM+START_VERTEX_NUM);
}
}
}
}
}
return *myDOFGraph;
}
int
PlainNumberer::numberDOF(int lastDOF)
{
int eqnNumber = 0; // start equation number = 0
// get a pointer to the model & check its not null
AnalysisModel *theModel = this->getAnalysisModelPtr();
Domain *theDomain = 0;
if (theModel != 0) theDomain = theModel->getDomainPtr();
if (theModel == 0 || theDomain == 0) {
opserr << "WARNING PlainNumberer::numberDOF(int) -";
opserr << " - no AnalysisModel - has setLinks() been invoked?\n";
return -1;
}
if (lastDOF != -1) {
opserr << "WARNING PlainNumberer::numberDOF(int lastDOF):";
opserr << " does not use the lastDOF as requested\n";
}
// iterate throgh the DOFs first time setting -2 values
DOF_GrpIter &theDOFs = theModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &theID = dofPtr->getID();
for (int i=0; i<theID.Size(); i++)
if (theID(i) == -2)
dofPtr->setID(i,eqnNumber++);
}
// iterate throgh the DOFs second time setting -3 values
DOF_GrpIter &moreDOFs = theModel->getDOFs();
while ((dofPtr = moreDOFs()) != 0) {
const ID &theID = dofPtr->getID();
for (int i=0; i<theID.Size(); i++)
if (theID(i) == -3) dofPtr->setID(i,eqnNumber++);
}
// iterate through the DOFs one last time setting any -4 values
DOF_GrpIter &tDOFs = theModel->getDOFs();
while ((dofPtr = tDOFs()) != 0) {
const ID &theID = dofPtr->getID();
int have4s = 0;
for (int i=0; i<theID.Size(); i++)
if (theID(i) == -4) have4s = 1;
if (have4s == 1) {
int nodeID = dofPtr->getNodeTag();
// loop through the MP_Constraints to see if any of the
// DOFs are constrained, note constraint matrix must be diagonal
// with 1's on the diagonal
MP_ConstraintIter &theMPs = theDomain->getMPs();
MP_Constraint *mpPtr;
while ((mpPtr = theMPs()) != 0 ) {
// note keep looping over all in case multiple constraints
// are used to constrain a node -- can't assume intelli user
if (mpPtr->getNodeConstrained() == nodeID) {
int nodeRetained = mpPtr->getNodeRetained();
Node *nodeRetainedPtr = theDomain->getNode(nodeRetained);
DOF_Group *retainedDOF = nodeRetainedPtr->getDOF_GroupPtr();
const ID&retainedDOFIDs = retainedDOF->getID();
const ID&constrainedDOFs = mpPtr->getConstrainedDOFs();
const ID&retainedDOFs = mpPtr->getRetainedDOFs();
for (int i=0; i<constrainedDOFs.Size(); i++) {
int dofC = constrainedDOFs(i);
int dofR = retainedDOFs(i);
int dofID = retainedDOFIDs(dofR);
dofPtr->setID(dofC, dofID);
}
}
}
}
}
eqnNumber--;
int numEqn = eqnNumber - START_EQN_NUMBER +1;
// iterate through the FE_Element getting them to set their IDs
FE_EleIter &theEle = theModel->getFEs();
FE_Element *elePtr;
while ((elePtr = theEle()) != 0)
elePtr->setID();
// set the numOfEquation in the Model
theModel->setNumEqn(numEqn);
return numEqn;
}
int
CentralDifferenceNoDamping::domainChanged()
{
AnalysisModel *myModel = this->getAnalysisModel();
LinearSOE *theLinSOE = this->getLinearSOE();
const Vector &x = theLinSOE->getX();
int size = x.Size();
// create the new Vector objects
if (U == 0 || U->Size() != size) {
// delete the old
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
// create the new
U = new Vector(size);
Udot = new Vector(size);
Udotdot = new Vector(size);
// cheack we obtained the new
if (U == 0 || U->Size() != size ||
Udot == 0 || Udot->Size() != size ||
Udotdot == 0 || Udotdot->Size() != size) {
opserr << "CentralDifferenceNoDamping::domainChanged - ran out of memory\n";
// delete the old
if (U != 0)
delete U;
if (Udot != 0)
delete U;
if (Udotdot != 0)
delete Udot;
U = 0; Udot = 0; Udotdot = 0;
return -1;
}
}
// now go through and populate U and Udot by iterating through
// the DOF_Groups and getting the last committed velocity and accel
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
int i;
const Vector &disp = dofPtr->getCommittedDisp();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*U)(loc) = disp(i);
}
}
const Vector &vel = dofPtr->getCommittedVel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udot)(loc) = vel(i);
}
}
}
return 0;
}
int CentralDifference::domainChanged()
{
AnalysisModel *myModel = this->getAnalysisModel();
LinearSOE *theLinSOE = this->getLinearSOE();
const Vector &x = theLinSOE->getX();
int size = x.Size();
// if damping factors exist set them in the element & node of the domain
if (alphaM != 0.0 || betaK != 0.0 || betaKi != 0.0 || betaKc != 0.0)
myModel->setRayleighDampingFactors(alphaM, betaK, betaKi, betaKc);
// create the new Vector objects
if (Ut == 0 || Ut->Size() != size) {
if (Utm1 != 0)
delete Utm1;
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
// create the new
Utm1 = new Vector(size);
Ut = new Vector(size);
Utdot = new Vector(size);
Utdotdot = new Vector(size);
Udot = new Vector(size);
Udotdot = new Vector(size);
// check we obtained the new
if (Utm1 == 0 || Utm1->Size() != size ||
Ut == 0 || Ut->Size() != size ||
Utdot == 0 || Utdot->Size() != size ||
Utdotdot == 0 || Utdotdot->Size() != size ||
Udot == 0 || Udot->Size() != size ||
Udotdot == 0 || Udotdot->Size() != size) {
opserr << "CentralDifference::domainChanged - ran out of memory\n";
// delete the old
if (Utm1 != 0)
delete Utm1;
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
Utm1 = 0;
Ut = 0; Utdot = 0; Utdotdot = 0;
Udot = 0; Udotdot = 0;
return -1;
}
}
// now go through and populate U, Udot and Udotdot by iterating through
// the DOF_Groups and getting the last committed velocity and accel
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
int i;
const Vector &disp = dofPtr->getCommittedDisp();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Utm1)(loc) = disp(i);
(*Ut)(loc) = disp(i);
}
}
const Vector &vel = dofPtr->getCommittedVel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udot)(loc) = vel(i);
}
}
const Vector &accel = dofPtr->getCommittedAccel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udotdot)(loc) = accel(i);
}
}
}
opserr << "WARNING: CentralDifference::domainChanged() - assuming Ut-1 = Ut\n";
return 0;
}
int
PFEMIntegrator::formSensitivityRHS(int passedGradNumber)
{
sensitivityFlag = 1;
// Set a couple of data members
gradNumber = passedGradNumber;
// Get pointer to the SOE
LinearSOE *theSOE = this->getLinearSOE();
// Get the analysis model
AnalysisModel *theModel = this->getAnalysisModel();
// Randomness in external load (including randomness in time series)
// Get domain
Domain *theDomain = theModel->getDomainPtr();
// Loop through nodes to zero the unbalaced load
Node *nodePtr;
NodeIter &theNodeIter = theDomain->getNodes();
while ((nodePtr = theNodeIter()) != 0)
nodePtr->zeroUnbalancedLoad();
// Loop through load patterns to add external load sensitivity
LoadPattern *loadPatternPtr;
LoadPatternIter &thePatterns = theDomain->getLoadPatterns();
double time;
while((loadPatternPtr = thePatterns()) != 0) {
time = theDomain->getCurrentTime();
loadPatternPtr->applyLoadSensitivity(time);
}
// Randomness in element/material contributions
// Loop through FE elements
FE_Element *elePtr;
FE_EleIter &theEles = theModel->getFEs();
while((elePtr = theEles()) != 0) {
theSOE->addB( elePtr->getResidual(this), elePtr->getID() );
}
// Loop through DOF groups (IT IS IMPORTANT THAT THIS IS DONE LAST!)
DOF_Group *dofPtr;
DOF_GrpIter &theDOFs = theModel->getDOFs();
while((dofPtr = theDOFs()) != 0) {
theSOE->addB( dofPtr->getUnbalance(this), dofPtr->getID() );
}
// Reset the sensitivity flag
sensitivityFlag = 0;
return 0;
}
int
PFEMIntegrator::formEleResidual(FE_Element *theEle)
{
if (sensitivityFlag == 0) { // NO SENSITIVITY ANALYSIS
this->TransientIntegrator::formEleResidual(theEle);
}
else { // (ASSEMBLE ALL TERMS)
theEle->zeroResidual();
// Compute the time-stepping parameters on the form
// udotdot = 1/dt*vn+1 - 1/dt*vn
// u = un + dt*vn+1
// Obtain sensitivity vectors from previous step
dVn.resize(U->Size()); dVn.Zero();
Vector dUn(U->Size());
AnalysisModel *myModel = this->getAnalysisModel();
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr = 0;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
const Vector &dispSens = dofPtr->getDispSensitivity(gradNumber);
for (int i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
dUn(loc) = dispSens(i);
}
}
const Vector &velSens = dofPtr->getVelSensitivity(gradNumber);
for (int i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
dVn(loc) = velSens(i);
}
}
}
// Now we're ready to make calls to the FE Element:
// The term -dPint/dh|u fixed
theEle->addResistingForceSensitivity(gradNumber);
// The term -dM/dh*acc
theEle->addM_ForceSensitivity(gradNumber, *Udotdot, -1.0);
// The term -M*(-1/dt*dvn)
theEle->addM_Force(dVn, c3);
// The term -K*(dun)
theEle->addK_Force(dUn, -1.0);
// The term -dC/dh*vel
theEle->addD_ForceSensitivity(gradNumber, *Udot,-1.0);
}
return 0;
}
int
NewmarkSensitivityIntegrator::formEleResidual(FE_Element *theEle)
{
if (sensitivityFlag == 0) { // NO SENSITIVITY ANALYSIS
this->Newmark::formEleResidual(theEle);
}
else { // (ASSEMBLE ALL TERMS)
theEle->zeroResidual();
// Compute the time-stepping parameters on the form
// udotdot = a1*ui+1 + a2*ui + a3*udoti + a4*udotdoti
// udot = a5*ui+1 + a6*ui + a7*udoti + a8*udotdoti
// (see p. 166 of Chopra)
// The constants are:
// a1 = 1.0/(beta*dt*dt)
// a2 = -1.0/(beta*dt*dt)
// a3 = -1.0/beta*dt
// a4 = 1.0 - 1.0/(2.0*beta)
// a5 = gamma/(beta*dt)
// a6 = -gamma/(beta*dt)
// a7 = 1.0 - gamma/beta
// a8 = 1.0 - gamma/(2.0*beta)
// We can make use of the data members c2 and c3 of this class.
// As long as disp==true, they are defined as:
// c2 = gamma/(beta*dt)
// c3 = 1.0/(beta*dt*dt)
// So, the constants can be computed as follows:
if (displ==false) {
opserr << "ERROR: Newmark::formEleResidual() -- the implemented"
<< " scheme only works if the displ variable is set to true." << endln;
}
double a2 = -c3;
double a3 = -c2/gamma;
double a4 = 1.0 - 1.0/(2.0*beta);
double a6 = -c2;
double a7 = 1.0 - gamma/beta;
double dt = gamma/(beta*c2);
double a8 = dt*(1.0 - gamma/(2.0*beta));
// Obtain sensitivity vectors from previous step
int vectorSize = U->Size();
Vector V(vectorSize);
Vector Vdot(vectorSize);
Vector Vdotdot(vectorSize);
int i, loc;
AnalysisModel *myModel = this->getAnalysisModel();
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
const Vector &dispSens = dofPtr->getDispSensitivity(gradNumber);
for (i=0; i < idSize; i++) {
loc = id(i);
if (loc >= 0) {
V(loc) = dispSens(i);
}
}
const Vector &velSens = dofPtr->getVelSensitivity(gradNumber);
for (i=0; i < idSize; i++) {
loc = id(i);
if (loc >= 0) {
Vdot(loc) = velSens(i);
}
}
const Vector &accelSens = dofPtr->getAccSensitivity(gradNumber);
for (i=0; i < idSize; i++) {
loc = id(i);
if (loc >= 0) {
Vdotdot(loc) = accelSens(i);
}
}
}
// Pre-compute the vectors involving a2, a3, etc.
//Vector tmp1 = V*a2 + Vdot*a3 + Vdotdot*a4;
Vector tmp1(vectorSize);
tmp1.addVector(0.0, V, a2);
tmp1.addVector(1.0, Vdot, a3);
tmp1.addVector(1.0, Vdotdot, a4);
//Vector tmp2 = V*a6 + Vdot*a7 + Vdotdot*a8;
Vector tmp2(vectorSize);
tmp2.addVector(0.0, V, a6);
tmp2.addVector(1.0, Vdot, a7);
tmp2.addVector(1.0, Vdotdot, a8);
if (massMatrixMultiplicator == 0)
massMatrixMultiplicator = new Vector(tmp1.Size());
if (dampingMatrixMultiplicator == 0)
dampingMatrixMultiplicator = new Vector(tmp2.Size());
(*massMatrixMultiplicator) = tmp1;
(*dampingMatrixMultiplicator) = tmp2;
// Now we're ready to make calls to the FE Element:
// The term -dPint/dh|u fixed
theEle->addResistingForceSensitivity(gradNumber);
// The term -dM/dh*acc
theEle->addM_ForceSensitivity(gradNumber, *Udotdot, -1.0);
// The term -M*(a2*v + a3*vdot + a4*vdotdot)
theEle->addM_Force(*massMatrixMultiplicator,-1.0);
// The term -C*(a6*v + a7*vdot + a8*vdotdot)
theEle->addD_Force(*dampingMatrixMultiplicator,-1.0);
// The term -dC/dh*vel
theEle->addD_ForceSensitivity(gradNumber, *Udot,-1.0);
}
return 0;
}
int
NewmarkSensitivityIntegrator::saveSensitivity(const Vector & vNew,int gradNum,int numGrads)
{
// Compute Newmark parameters in general notation
double a1 = c3;
double a2 = -c3;
double a3 = -c2/gamma;
double a4 = 1.0 - 1.0/(2.0*beta);
double a5 = c2;
double a6 = -c2;
double a7 = 1.0 - gamma/beta;
double dt = gamma/(beta*c2);
double a8 = dt*(1.0 - gamma/(2.0*beta));
// Recover sensitivity results from previous step
int vectorSize = U->Size();
Vector V(vectorSize);
Vector Vdot(vectorSize);
Vector Vdotdot(vectorSize);
int i, loc;
AnalysisModel *myModel = this->getAnalysisModel();
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
const Vector &dispSens = dofPtr->getDispSensitivity(gradNumber);
for (i=0; i < idSize; i++) {
loc = id(i);
if (loc >= 0) {
V(loc) = dispSens(i);
}
}
const Vector &velSens = dofPtr->getVelSensitivity(gradNumber);
for (i=0; i < idSize; i++) {
loc = id(i);
if (loc >= 0) {
Vdot(loc) = velSens(i);
}
}
const Vector &accelSens = dofPtr->getAccSensitivity(gradNumber);
for (i=0; i < idSize; i++) {
loc = id(i);
if (loc >= 0) {
Vdotdot(loc) = accelSens(i);
}
}
}
// Compute new acceleration and velocity vectors:
Vector vdotNew(vectorSize);
Vector vdotdotNew(vectorSize);
//(*vdotdotNewPtr) = vNew*a1 + V*a2 + Vdot*a3 + Vdotdot*a4;
vdotdotNew.addVector(0.0, vNew, a1);
vdotdotNew.addVector(1.0, V, a2);
vdotdotNew.addVector(1.0, Vdot, a3);
vdotdotNew.addVector(1.0, Vdotdot, a4);
//(*vdotNewPtr) = vNew*a5 + V*a6 + Vdot*a7 + Vdotdot*a8;
vdotNew.addVector(0.0, vNew, a5);
vdotNew.addVector(1.0, V, a6);
vdotNew.addVector(1.0, Vdot, a7);
vdotNew.addVector(1.0, Vdotdot, a8);
// Now we can save vNew, vdotNew and vdotdotNew
DOF_GrpIter &theDOFGrps = myModel->getDOFs();
DOF_Group *dofPtr1;
while ( (dofPtr1 = theDOFGrps() ) != 0) {
dofPtr1->saveSensitivity(vNew,vdotNew,vdotdotNew,gradNum,numGrads);
}
return 0;
}
int KRAlphaExplicit::domainChanged()
{
AnalysisModel *myModel = this->getAnalysisModel();
LinearSOE *theLinSOE = this->getLinearSOE();
const Vector &x = theLinSOE->getX();
int size = x.Size();
// create the new Matrix and Vector objects
if (Ut == 0 || Ut->Size() != size) {
// delete the old
if (alpha1 != 0)
delete alpha1;
if (alpha3 != 0)
delete alpha3;
if (Mhat != 0)
delete Mhat;
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (Ualpha != 0)
delete Ualpha;
if (Ualphadot != 0)
delete Ualphadot;
if (Ualphadotdot != 0)
delete Ualphadotdot;
if (Utdothat != 0)
delete Utdothat;
// create the new
alpha1 = new Matrix(size,size);
alpha3 = new Matrix(size,size);
Mhat = new Matrix(size,size);
Ut = new Vector(size);
Utdot = new Vector(size);
Utdotdot = new Vector(size);
U = new Vector(size);
Udot = new Vector(size);
Udotdot = new Vector(size);
Ualpha = new Vector(size);
Ualphadot = new Vector(size);
Ualphadotdot = new Vector(size);
Utdothat = new Vector(size);
// check we obtained the new
if (alpha1 == 0 || alpha1->noRows() != size || alpha1->noCols() != size ||
alpha3 == 0 || alpha3->noRows() != size || alpha3->noCols() != size ||
Mhat == 0 || Mhat->noRows() != size || Mhat->noCols() != size ||
Ut == 0 || Ut->Size() != size ||
Utdot == 0 || Utdot->Size() != size ||
Utdotdot == 0 || Utdotdot->Size() != size ||
U == 0 || U->Size() != size ||
Udot == 0 || Udot->Size() != size ||
Udotdot == 0 || Udotdot->Size() != size ||
Ualpha == 0 || Ualpha->Size() != size ||
Ualphadot == 0 || Ualphadot->Size() != size ||
Ualphadotdot == 0 || Ualphadotdot->Size() != size ||
Utdothat == 0 || Utdothat->Size() != size) {
opserr << "WARNING KRAlphaExplicit::domainChanged() - ";
opserr << "ran out of memory\n";
// delete the old
if (alpha1 != 0)
delete alpha1;
if (alpha3 != 0)
delete alpha3;
if (Mhat != 0)
delete Mhat;
if (Ut != 0)
delete Ut;
if (Utdot != 0)
delete Utdot;
if (Utdotdot != 0)
delete Utdotdot;
if (U != 0)
delete U;
if (Udot != 0)
delete Udot;
if (Udotdot != 0)
delete Udotdot;
if (Ualpha != 0)
delete Ualpha;
if (Ualphadot != 0)
delete Ualphadot;
if (Ualphadotdot != 0)
delete Ualphadotdot;
if (Utdothat != 0)
delete Utdothat;
alpha1 = 0; alpha3 = 0; Mhat = 0;
Ut = 0; Utdot = 0; Utdotdot = 0;
U = 0; Udot = 0; Udotdot = 0;
Ualpha = 0; Ualphadot = 0; Ualphadotdot = 0;
Utdothat = 0;
return -1;
}
}
// now go through and populate U, Udot and Udotdot by iterating through
// the DOF_Groups and getting the last committed velocity and accel
DOF_GrpIter &theDOFs = myModel->getDOFs();
DOF_Group *dofPtr;
while ((dofPtr = theDOFs()) != 0) {
const ID &id = dofPtr->getID();
int idSize = id.Size();
int i;
const Vector &disp = dofPtr->getCommittedDisp();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*U)(loc) = disp(i);
}
}
const Vector &vel = dofPtr->getCommittedVel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udot)(loc) = vel(i);
}
}
const Vector &accel = dofPtr->getCommittedAccel();
for (i=0; i < idSize; i++) {
int loc = id(i);
if (loc >= 0) {
(*Udotdot)(loc) = accel(i);
}
}
}
// recalculate integration parameter matrices b/c domain changed
initAlphaMatrices = 1;
return 0;
}