void
NonLinearStatic :: updateLoadVectors(TimeStep *tStep)
{
MetaStep *mstep = this->giveMetaStep( tStep->giveMetaStepNumber() );
bool isLastMetaStep = ( tStep->giveNumber() == mstep->giveLastStepNumber() );
if ( controlMode == nls_indirectControl ) {
//if ((tStep->giveNumber() == mstep->giveLastStepNumber()) && ir->hasField("fixload")) {
if ( isLastMetaStep ) {
if ( !mstep->giveAttributesRecord()->hasField(_IFT_NonLinearStatic_donotfixload) ) {
OOFEM_LOG_INFO("Fixed load level\n");
//update initialLoadVector
initialLoadVector.add(loadLevel, incrementalLoadVector);
initialLoadVectorOfPrescribed.add(loadLevel, incrementalLoadVectorOfPrescribed);
incrementalLoadVector.zero();
incrementalLoadVectorOfPrescribed.zero();
this->loadInitFlag = 1;
}
//if (!mstep->giveAttributesRecord()->hasField("keepll")) this->loadLevelInitFlag = 1;
}
} else { // direct control
//update initialLoadVector after each step of direct control
//(here the loading is not proportional)
OOFEM_LOG_DEBUG("Fixed load level\n");
initialLoadVector.add(loadLevel, incrementalLoadVector);
initialLoadVectorOfPrescribed.add(loadLevel, incrementalLoadVectorOfPrescribed);
incrementalLoadVector.zero();
incrementalLoadVectorOfPrescribed.zero();
this->loadInitFlag = 1;
}
// if (isLastMetaStep) {
if ( isLastMetaStep && !mstep->giveAttributesRecord()->hasField(_IFT_NonLinearStatic_donotfixload) ) {
#ifdef VERBOSE
OOFEM_LOG_INFO("Reseting load level\n");
#endif
if ( mstepCumulateLoadLevelFlag ) {
cumulatedLoadLevel += loadLevel;
} else {
cumulatedLoadLevel = 0.0;
}
this->loadLevel = 0.0;
}
}
void
StaticFracture :: solveYourself()
{
MetaStep *activeMStep;
FILE *out = this->giveOutputStream();
this->timer.startTimer(EngngModelTimer :: EMTT_AnalysisTimer);
this->giveNumberOfSlaveProblems();
this->timer.startTimer(EngngModelTimer :: EMTT_SolutionStepTimer);
this->timer.initTimer(EngngModelTimer :: EMTT_NetComputationalStepTimer);
int numMetaSteps = this->giveNumberOfMetaSteps();
for (int imstep = 1; imstep <= numMetaSteps; imstep++) { // don't know what will happen if we have several meta steps?
activeMStep = this->giveMetaStep(imstep);
int nTimeSteps = activeMStep->giveNumberOfSteps();
for ( int tStepNum = 1; tStepNum <= nTimeSteps; tStepNum++ ) { //loop over time steps in opt analysis
for ( int subProb = 1; subProb <= this->giveNumberOfSlaveProblems(); subProb++ ) {
EngngModel *sp = this->giveSlaveProblem(subProb);
sp->solveYourself();
//this->updateYourself( this->giveCurrentStep()); // not neccessary
// optimization
this->optimize( this->giveCurrentStep() );
// Resetting the time step number for each sp after each optimization time step
TimeStep *tStep = sp->giveCurrentStep();
tStep->setNumber(tStepNum);
sp->giveExportModuleManager()->doOutput(tStep); // turn off export during regular analysis
tStep->setNumber(0); // otherwise the anlysis wont restart at time 0
}
}
}
}
void
XFEMStatic :: updateLoadVectors(TimeStep *tStep)
{
MetaStep *mstep = this->giveMetaStep( tStep->giveMetaStepNumber() );
bool isLastMetaStep = ( tStep->giveNumber() == mstep->giveLastStepNumber() );
if ( controlMode == nls_indirectControl ) { //todo@: not checked
//if ((tStep->giveNumber() == mstep->giveLastStepNumber()) && ir->hasField("fixload")) {
if ( isLastMetaStep ) {
if ( !mstep->giveAttributesRecord()->hasField(_IFT_NonLinearStatic_donotfixload) ) {
OOFEM_LOG_INFO("Fixed load level\n");
//update initialLoadVector
if ( initialLoadVector.isEmpty() ) {
initialLoadVector.resize( incrementalLoadVector.giveSize() );
}
incrementalLoadVector.times(loadLevel);
initialLoadVector.add(incrementalLoadVector);
incrementalLoadVectorOfPrescribed.times(loadLevel);
initialLoadVectorOfPrescribed.add(incrementalLoadVectorOfPrescribed);
incrementalLoadVector.zero();
incrementalLoadVectorOfPrescribed.zero();
this->loadInitFlag = 1;
}
//if (!mstep->giveAttributesRecord()->hasField("keepll")) this->loadLevelInitFlag = 1;
}
} else { // direct control
//update initialLoadVector after each step of direct control
//(here the loading is not proportional)
/*if ( initialLoadVector.isEmpty() ) {
* initialLoadVector.resize( incrementalLoadVector.giveSize() );
* }
*/
OOFEM_LOG_DEBUG("Fixed load level\n");
int neq = this->giveNumberOfDomainEquations( 1, EModelDefaultEquationNumbering() ); // 1 stands for domain?
// printf("Before: ");
// incrementalLoadVector.printYourself();
if ( incrementalLoadVector.giveSize() != neq ) {
//initialLoadVector.resize( incrementalLoadVector.giveSize() );
// initialLoadVector.printYourself();
// initialLoadVector.resize( 0 );
FloatArray incrementalLoadVectorNew;
setValsFromDofMap(incrementalLoadVectorNew, incrementalLoadVector);
incrementalLoadVector = incrementalLoadVectorNew;
}
// printf("After: ");
// incrementalLoadVector.printYourself();
incrementalLoadVector.times(loadLevel);
///////////////////////////////////////////////////////////////////
// Map values in the old initialLoadVector to the new initialLoadVector
// printf("Before: ");
// initialLoadVector.printYourself();
if ( initialLoadVector.giveSize() != neq ) {
//initialLoadVector.resize( incrementalLoadVector.giveSize() );
// initialLoadVector.printYourself();
// initialLoadVector.resize( 0 );
FloatArray initialLoadVectorNew;
setValsFromDofMap(initialLoadVectorNew, initialLoadVector);
initialLoadVector = initialLoadVectorNew;
}
// printf("After: ");
// initialLoadVector.printYourself();
///////////////////////////////////////////////////////////////////
initialLoadVector.add(incrementalLoadVector);
incrementalLoadVectorOfPrescribed.times(loadLevel);
initialLoadVectorOfPrescribed.add(incrementalLoadVectorOfPrescribed);
incrementalLoadVector.zero();
incrementalLoadVectorOfPrescribed.zero();
this->loadInitFlag = 1;
}
// if (isLastMetaStep) {
if ( isLastMetaStep && !mstep->giveAttributesRecord()->hasField(_IFT_NonLinearStatic_donotfixload) ) {
#ifdef VERBOSE
OOFEM_LOG_INFO("Reseting load level\n");
#endif
if ( mstepCumulateLoadLevelFlag ) {
cumulatedLoadLevel += loadLevel;
} else {
cumulatedLoadLevel = 0.0;
}
this->loadLevel = 0.0;
}
}
void
AdaptiveNonLinearStatic :: assembleInitialLoadVector(FloatArray &loadVector, FloatArray &loadVectorOfPrescribed,
AdaptiveNonLinearStatic *sourceProblem, int domainIndx,
TimeStep *tStep)
{
IRResultType result; // Required by IR_GIVE_FIELD macro
int mStepNum = tStep->giveMetaStepNumber();
int hasfixed, mode;
InputRecord *ir;
MetaStep *iMStep;
FloatArray _incrementalLoadVector, _incrementalLoadVectorOfPrescribed;
SparseNonLinearSystemNM :: referenceLoadInputModeType rlm;
//Domain* sourceDomain = sourceProblem->giveDomain(domainIndx);
loadVector.resize( this->giveNumberOfDomainEquations( domainIndx, EModelDefaultEquationNumbering() ) );
loadVectorOfPrescribed.resize( this->giveNumberOfDomainEquations( domainIndx, EModelDefaultPrescribedEquationNumbering() ) );
loadVector.zero();
loadVectorOfPrescribed.zero();
_incrementalLoadVector.resize( this->giveNumberOfDomainEquations( domainIndx, EModelDefaultEquationNumbering() ) );
_incrementalLoadVectorOfPrescribed.resize( this->giveNumberOfDomainEquations( domainIndx, EModelDefaultPrescribedEquationNumbering() ) );
_incrementalLoadVector.zero();
_incrementalLoadVectorOfPrescribed.zero();
for ( int imstep = 1; imstep < mStepNum; imstep++ ) {
iMStep = this->giveMetaStep(imstep);
ir = iMStep->giveAttributesRecord();
//hasfixed = ir->hasField("fixload");
hasfixed = 1;
if ( hasfixed ) {
// test for control mode
// here the algorithm works only for direct load control.
// Direct displacement control requires to know the quasi-rections, and the controlled nodes
// should have corresponding node on new mesh -> not supported
// Indirect control -> the load level from prevous steps is required, currently nt supported.
// additional problem: direct load control supports the reduction of step legth if convergence fails
// if this happens, this implementation does not work correctly.
// But there is NO WAY HOW TO TEST IF THIS HAPPEN
mode = 0;
IR_GIVE_OPTIONAL_FIELD(ir, mode, _IFT_AdaptiveNonLinearStatic_controlmode);
// check if displacement control takes place
if ( ir->hasField(_IFT_AdaptiveNonLinearStatic_ddm) ) {
OOFEM_ERROR("fixload recovery not supported for direct displacement control");
}
int firststep = iMStep->giveFirstStepNumber();
int laststep = iMStep->giveLastStepNumber();
int _val = 0;
IR_GIVE_OPTIONAL_FIELD(ir, _val, _IFT_AdaptiveNonLinearStatic_refloadmode);
rlm = ( SparseNonLinearSystemNM :: referenceLoadInputModeType ) _val;
if ( mode == ( int ) nls_directControl ) { // and only load control
for ( int istep = firststep; istep <= laststep; istep++ ) {
// bad practise here
///@todo Likely memory leak here with new TimeStep; Check.
TimeStep *old = new TimeStep(istep, this, imstep, istep - 1.0, deltaT, 0);
this->assembleIncrementalReferenceLoadVectors(_incrementalLoadVector, _incrementalLoadVectorOfPrescribed,
rlm, this->giveDomain(domainIndx), EID_MomentumBalance, old);
_incrementalLoadVector.times( sourceProblem->giveTimeStepLoadLevel(istep) );
loadVector.add(_incrementalLoadVector);
loadVectorOfPrescribed.add(_incrementalLoadVectorOfPrescribed);
}
} else if ( mode == ( int ) nls_indirectControl ) {
// bad practise here
if ( !ir->hasField(_IFT_NonLinearStatic_donotfixload) ) {
TimeStep *old = new TimeStep(firststep, this, imstep, firststep - 1.0, deltaT, 0);
this->assembleIncrementalReferenceLoadVectors(_incrementalLoadVector, _incrementalLoadVectorOfPrescribed,
rlm, this->giveDomain(domainIndx), EID_MomentumBalance, old);
_incrementalLoadVector.times( sourceProblem->giveTimeStepLoadLevel(laststep) );
loadVector.add(_incrementalLoadVector);
loadVectorOfPrescribed.add(_incrementalLoadVectorOfPrescribed);
}
} else {
OOFEM_ERROR("fixload recovery not supported");
}
}
} // end loop over meta-steps
/* if direct control; add to initial load also previous steps in same metestep */
iMStep = this->giveMetaStep(mStepNum);
ir = iMStep->giveAttributesRecord();
mode = 0;
IR_GIVE_OPTIONAL_FIELD(ir, mode, _IFT_AdaptiveNonLinearStatic_controlmode);
int firststep = iMStep->giveFirstStepNumber();
int laststep = tStep->giveNumber();
int _val = 0;
IR_GIVE_OPTIONAL_FIELD(ir, _val, _IFT_AdaptiveNonLinearStatic_refloadmode);
rlm = ( SparseNonLinearSystemNM :: referenceLoadInputModeType ) _val;
if ( mode == ( int ) nls_directControl ) { // and only load control
for ( int istep = firststep; istep <= laststep; istep++ ) {
// bad practise here
TimeStep *old = new TimeStep(istep, this, mStepNum, istep - 1.0, deltaT, 0);
this->assembleIncrementalReferenceLoadVectors(_incrementalLoadVector, _incrementalLoadVectorOfPrescribed,
rlm, this->giveDomain(domainIndx), EID_MomentumBalance, old);
_incrementalLoadVector.times( sourceProblem->giveTimeStepLoadLevel(istep) );
loadVector.add(_incrementalLoadVector);
loadVectorOfPrescribed.add(_incrementalLoadVectorOfPrescribed);
}
}
}
