int
StructuralEngngModel :: packDofManagers(FloatArray *src, ProcessCommunicator &processComm, bool prescribedEquations)
{
int result = 1;
int i, size;
int j, ndofs, eqNum;
Domain *domain = this->giveDomain(1);
IntArray const *toSendMap = processComm.giveToSendMap();
ProcessCommunicatorBuff *pcbuff = processComm.giveProcessCommunicatorBuff();
DofManager *dman;
Dof *jdof;
size = toSendMap->giveSize();
for ( i = 1; i <= size; i++ ) {
dman = domain->giveDofManager( toSendMap->at(i) );
ndofs = dman->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
jdof = dman->giveDof(j);
if ( prescribedEquations ) {
eqNum = jdof->__givePrescribedEquationNumber();
} else {
eqNum = jdof->__giveEquationNumber();
}
if ( jdof->isPrimaryDof() && eqNum ) {
result &= pcbuff->packDouble( src->at(eqNum) );
}
}
}
return result;
}
void
PetscNatural2LocalOrdering :: init(EngngModel *emodel, EquationID ut, int di, EquationType et)
{
Domain *d = emodel->giveDomain(di);
int i, j, n_eq = 0, ndofs, ndofman = d->giveNumberOfDofManagers(), loc_eq = 1;
bool lFlag;
DofManager *dman;
EModelDefaultEquationNumbering dn;
EModelDefaultPrescribedEquationNumbering dpn;
// determine number of local eqs + number of those shared DOFs which are numbered by receiver
// shared dofman is numbered on partition with lovest rank number
if ( et == et_standard ) {
n2l.resize( emodel->giveNumberOfEquations(ut) );
} else {
n2l.resize( emodel->giveNumberOfPrescribedEquations(ut) );
}
for ( i = 1; i <= ndofman; i++ ) {
dman = d->giveDofManager(i);
lFlag = isLocal(dman);
ndofs = dman->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
if ( dman->giveDof(j)->isPrimaryDof() ) {
if ( et == et_standard ) {
n_eq = dman->giveDof(j)->giveEquationNumber(dn);
} else {
n_eq = dman->giveDof(j)->giveEquationNumber(dpn);
}
if ( n_eq == 0 ) {
continue;
}
if ( lFlag ) {
n2l.at(n_eq) = loc_eq++;
} else {
n2l.at(n_eq) = 0;
}
}
}
}
}
void
LumpedMassElement :: giveDofManDofIDMask(int inode, EquationID eid, IntArray &answer) const
{
answer.resize(0, 6);
DofManager *dman = this->giveDofManager(inode);
int _i, _ndof = dman->giveNumberOfDofs();
DofIDItem _dofid;
// simply collect all "structural" dofs of element node
for ( _i = 1; _i <= _ndof; _i++ ) {
_dofid = dman->giveDof(_i)->giveDofID();
if ( ( _dofid == D_u ) || ( _dofid == D_v ) || ( _dofid == D_w ) ||
( _dofid == R_u ) || ( _dofid == R_v ) || ( _dofid == R_w ) ) {
answer.followedBy(_dofid);
}
}
}
int
LumpedMassElement :: computeNumberOfDofs(EquationID ut)
{
DofManager *dman = this->giveDofManager(1);
int _i, _ndof = dman->giveNumberOfDofs();
int answer = 0;
DofIDItem _dofid;
// simply count all "structural" dofs of element node
for ( _i = 1; _i <= _ndof; _i++ ) {
_dofid = dman->giveDof(_i)->giveDofID();
if ( ( _dofid == D_u ) || ( _dofid == D_v ) || ( _dofid == D_w ) ||
( _dofid == R_u ) || ( _dofid == R_v ) || ( _dofid == R_w ) ) {
answer++;
}
}
return answer;
}
int
StructuralEngngModel :: unpackDofManagers(FloatArray *dest, ProcessCommunicator &processComm, bool prescribedEquations)
{
int result = 1;
int i, size;
int j, ndofs, eqNum;
Domain *domain = this->giveDomain(1);
dofManagerParallelMode dofmanmode;
IntArray const *toRecvMap = processComm.giveToRecvMap();
ProcessCommunicatorBuff *pcbuff = processComm.giveProcessCommunicatorBuff();
DofManager *dman;
Dof *jdof;
double value;
size = toRecvMap->giveSize();
for ( i = 1; i <= size; i++ ) {
dman = domain->giveDofManager( toRecvMap->at(i) );
ndofs = dman->giveNumberOfDofs();
dofmanmode = dman->giveParallelMode();
for ( j = 1; j <= ndofs; j++ ) {
jdof = dman->giveDof(j);
if ( prescribedEquations ) {
eqNum = jdof->__givePrescribedEquationNumber();
} else {
eqNum = jdof->__giveEquationNumber();
}
if ( jdof->isPrimaryDof() && eqNum ) {
result &= pcbuff->unpackDouble(value);
if ( dofmanmode == DofManager_shared ) {
dest->at(eqNum) += value;
} else if ( dofmanmode == DofManager_remote ) {
dest->at(eqNum) = value;
} else {
_error("unpackReactions: unknown dof namager parallel mode");
}
}
}
}
return result;
}
int
NonLinearDynamic :: estimateMaxPackSize(IntArray &commMap, CommunicationBuffer &buff, int packUnpackType)
{
int mapSize = commMap.giveSize();
int i, j, ndofs, count = 0, pcount = 0;
IntArray locationArray;
Domain *domain = this->giveDomain(1);
DofManager *dman;
Dof *jdof;
if ( packUnpackType == ProblemCommMode__ELEMENT_CUT ) {
for ( i = 1; i <= mapSize; i++ ) {
count += domain->giveDofManager( commMap.at(i) )->giveNumberOfDofs();
}
return ( buff.givePackSize(MPI_DOUBLE, 1) * count );
} else if ( packUnpackType == ProblemCommMode__NODE_CUT ) {
for ( i = 1; i <= mapSize; i++ ) {
ndofs = ( dman = domain->giveDofManager( commMap.at(i) ) )->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
jdof = dman->giveDof(j);
if ( jdof->isPrimaryDof() && ( jdof->__giveEquationNumber() ) ) {
count++;
} else {
pcount++;
}
}
}
//printf ("\nestimated count is %d\n",count);
return ( buff.givePackSize(MPI_DOUBLE, 1) * max(count, pcount) );
} else if ( packUnpackType == ProblemCommMode__REMOTE_ELEMENT_MODE ) {
for ( i = 1; i <= mapSize; i++ ) {
count += domain->giveElement( commMap.at(i) )->estimatePackSize(buff);
}
return count;
}
return 0;
}
void
StructuralEngngModel :: buildReactionTable(IntArray &restrDofMans, IntArray &restrDofs,
IntArray &eqn, TimeStep *tStep, int di)
{
// determine number of restrained dofs
Domain *domain = this->giveDomain(di);
int numRestrDofs = this->giveNumberOfPrescribedDomainEquations(di, EID_MomentumBalance);
int ndofMan = domain->giveNumberOfDofManagers();
int i, j, indofs, rindex, count = 0;
DofManager *inode;
Dof *jdof;
// initialize corresponding dofManagers and dofs for each restrained dof
restrDofMans.resize(numRestrDofs);
restrDofs.resize(numRestrDofs);
eqn.resize(numRestrDofs);
for ( i = 1; i <= ndofMan; i++ ) {
inode = domain->giveDofManager(i);
indofs = inode->giveNumberOfDofs();
for ( j = 1; j <= indofs; j++ ) {
jdof = inode->giveDof(j);
if ( ( jdof->giveClassID() != SimpleSlaveDofClass ) && ( jdof->hasBc(tStep) ) ) { // skip slave dofs
rindex = jdof->__givePrescribedEquationNumber();
if ( rindex ) {
count++;
restrDofMans.at(count) = i;
restrDofs.at(count) = j;
eqn.at(count) = rindex;
} else {
// NullDof has no equation number and no prescribed equation number
//_error ("No prescribed equation number assigned to supported DOF");
}
}
}
}
}
void
NonLinearDynamic :: proceedStep(int di, TimeStep *tStep)
{
// creates system of governing eq's and solves them at given time step
// first assemble problem at current time step
int neq = this->giveNumberOfDomainEquations(1, EModelDefaultEquationNumbering());
// Time-stepping constants
this->determineConstants(tStep);
if ( ( tStep->giveNumber() == giveNumberOfFirstStep() ) && initFlag ) {
// Initialization
incrementOfDisplacement.resize(neq);
incrementOfDisplacement.zero();
totalDisplacement.resize(neq);
totalDisplacement.zero();
velocityVector.resize(neq);
velocityVector.zero();
accelerationVector.resize(neq);
accelerationVector.zero();
internalForces.resize(neq);
internalForces.zero();
previousIncrementOfDisplacement.resize(neq);
previousIncrementOfDisplacement.zero();
previousTotalDisplacement.resize(neq);
previousTotalDisplacement.zero();
previousVelocityVector.resize(neq);
previousVelocityVector.zero();
previousAccelerationVector.resize(neq);
previousAccelerationVector.zero();
previousInternalForces.resize(neq);
previousInternalForces.zero();
TimeStep *stepWhenIcApply = new TimeStep(giveNumberOfTimeStepWhenIcApply(), this, 0,
-deltaT, deltaT, 0);
int nDofs, j, k, jj;
int nman = this->giveDomain(di)->giveNumberOfDofManagers();
DofManager *node;
Dof *iDof;
// Considering initial conditions.
for ( j = 1; j <= nman; j++ ) {
node = this->giveDomain(di)->giveDofManager(j);
nDofs = node->giveNumberOfDofs();
for ( k = 1; k <= nDofs; k++ ) {
// Ask for initial values obtained from
// bc (boundary conditions) and ic (initial conditions).
iDof = node->giveDof(k);
if ( !iDof->isPrimaryDof() ) {
continue;
}
jj = iDof->__giveEquationNumber();
if ( jj ) {
totalDisplacement.at(jj) = iDof->giveUnknown(VM_Total, stepWhenIcApply);
velocityVector.at(jj) = iDof->giveUnknown(VM_Velocity, stepWhenIcApply);
accelerationVector.at(jj) = iDof->giveUnknown(VM_Acceleration, stepWhenIcApply);
}
}
}
this->giveInternalForces(internalForces, true, di, tStep);
}
if ( initFlag ) {
// First assemble problem at current time step.
// Option to take into account initial conditions.
if ( !effectiveStiffnessMatrix ) {
effectiveStiffnessMatrix = classFactory.createSparseMtrx(sparseMtrxType);
massMatrix = classFactory.createSparseMtrx(sparseMtrxType);
}
if ( effectiveStiffnessMatrix == NULL || massMatrix == NULL ) {
_error("proceedStep: sparse matrix creation failed");
}
if ( nonlocalStiffnessFlag ) {
if ( !effectiveStiffnessMatrix->isAsymmetric() ) {
_error("proceedStep: effectiveStiffnessMatrix does not support asymmetric storage");
}
}
effectiveStiffnessMatrix->buildInternalStructure( this, di, EID_MomentumBalance, EModelDefaultEquationNumbering() );
massMatrix->buildInternalStructure( this, di, EID_MomentumBalance, EModelDefaultEquationNumbering() );
// Assemble mass matrix
this->assemble(massMatrix, tStep, EID_MomentumBalance, MassMatrix,
EModelDefaultEquationNumbering(), this->giveDomain(di));
// Initialize vectors
help.resize(neq);
help.zero();
rhs.resize(neq);
rhs.zero();
rhs2.resize(neq);
rhs2.zero();
previousIncrementOfDisplacement.resize(neq);
previousTotalDisplacement.resize(neq);
previousVelocityVector.resize(neq);
previousAccelerationVector.resize(neq);
previousInternalForces.resize(neq);
for ( int i = 1; i <= neq; i++ ) {
previousIncrementOfDisplacement.at(i) = incrementOfDisplacement.at(i);
previousTotalDisplacement.at(i) = totalDisplacement.at(i);
previousVelocityVector.at(i) = velocityVector.at(i);
previousAccelerationVector.at(i) = accelerationVector.at(i);
previousInternalForces.at(i) = internalForces.at(i);
}
forcesVector.resize(neq);
forcesVector.zero();
totIterations = 0;
initFlag = 0;
}
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling load\n");
#endif
// Assemble the incremental reference load vector.
this->assembleIncrementalReferenceLoadVectors(incrementalLoadVector, incrementalLoadVectorOfPrescribed,
refLoadInputMode, this->giveDomain(di), EID_MomentumBalance, tStep);
// Assembling the effective load vector
for ( int i = 1; i <= neq; i++ ) {
help.at(i) = a2 * previousVelocityVector.at(i) + a3 * previousAccelerationVector.at(i)
+ eta * ( a4 * previousVelocityVector.at(i)
+ a5 * previousAccelerationVector.at(i)
+ a6 * previousIncrementOfDisplacement.at(i) );
}
massMatrix->times(help, rhs);
if ( delta != 0 ) {
for ( int i = 1; i <= neq; i++ ) {
help.at(i) = delta * ( a4 * previousVelocityVector.at(i)
+ a5 * previousAccelerationVector.at(i)
+ a6 * previousIncrementOfDisplacement.at(i) );
}
this->timesMtrx(help, rhs2, TangentStiffnessMatrix, this->giveDomain(di), tStep);
help.zero();
for ( int i = 1; i <= neq; i++ ) {
rhs.at(i) += rhs2.at(i);
}
}
for ( int i = 1; i <= neq; i++ ) {
rhs.at(i) += incrementalLoadVector.at(i) - previousInternalForces.at(i);
}
//
// Set-up numerical model.
//
this->giveNumericalMethod( this->giveCurrentMetaStep() );
//
// Call numerical model to solve problem.
//
double loadLevel = 1.0;
if ( totIterations == 0 ) { incrementOfDisplacement.zero(); }
if ( initialLoadVector.isNotEmpty() ) {
numMetStatus = nMethod->solve(effectiveStiffnessMatrix, & rhs, & initialLoadVector,
& totalDisplacement, & incrementOfDisplacement, & forcesVector,
internalForcesEBENorm, loadLevel, refLoadInputMode, currentIterations, tStep);
} else {
numMetStatus = nMethod->solve(effectiveStiffnessMatrix, & rhs, NULL,
& totalDisplacement, & incrementOfDisplacement, & forcesVector,
internalForcesEBENorm, loadLevel, refLoadInputMode, currentIterations, tStep);
}
for ( int i = 1; i <= neq; i++ ) {
rhs.at(i) = previousVelocityVector.at(i);
rhs2.at(i) = previousAccelerationVector.at(i);
accelerationVector.at(i) = a0 * incrementOfDisplacement.at(i) - a2 * rhs.at(i) - a3 * rhs2.at(i);
velocityVector.at(i) = a1 * incrementOfDisplacement.at(i) - a4 * rhs.at(i) - a5 * rhs2.at(i)
- a6 * previousIncrementOfDisplacement.at(i);
}
totIterations += currentIterations;
}
void
PetscNatural2GlobalOrdering :: init(EngngModel *emodel, EquationID ut, int di, EquationType et)
{
Domain *d = emodel->giveDomain(di);
int i, j, k, p, ndofs, ndofman = d->giveNumberOfDofManagers();
int myrank = emodel->giveRank();
DofManager *dman;
// determine number of local eqs + number of those shared DOFs which are numbered by receiver
// shared dofman is numbered on partition with lovest rank number
EModelDefaultEquationNumbering dn;
EModelDefaultPrescribedEquationNumbering dpn;
#ifdef __VERBOSE_PARALLEL
VERBOSEPARALLEL_PRINT("PetscNatural2GlobalOrdering :: init", "initializing N2G ordering", myrank);
#endif
l_neqs = 0;
for ( i = 1; i <= ndofman; i++ ) {
dman = d->giveDofManager(i);
/*
* if (dman->giveParallelMode() == DofManager_local) { // count all dofman eqs
* ndofs = dman->giveNumberOfDofs ();
* for (j=1; j<=ndofs; j++) {
* if (dman->giveDof(j)->isPrimaryDof()) {
* if (dman->giveDof(j)->giveEquationNumber()) l_neqs++;
* }
* }
* } else if (dman->giveParallelMode() == DofManager_shared) {
* // determine if problem is the lowest one sharing the dofman; if yes the receiver is responsible to
* // deliver number
* IntArray *plist = dman->givePartitionList();
* int n = plist->giveSize();
* int minrank = myrank;
* for (j=1; j<=n; j++) minrank = min (minrank, plist->at(j));
* if (minrank == myrank) { // count eqs
* ndofs = dman->giveNumberOfDofs ();
* for (j=1; j<=ndofs; j++) {
* if (dman->giveDof(j)->isPrimaryDof()) {
* if (dman->giveDof(j)->giveEquationNumber()) l_neqs++;
* }
* }
* }
* } // end shared dman
*/
if ( isLocal(dman) ) {
ndofs = dman->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
if ( dman->giveDof(j)->isPrimaryDof() ) {
if ( et == et_standard ) {
if ( dman->giveDof(j)->giveEquationNumber(dn) ) {
l_neqs++;
}
} else {
if ( dman->giveDof(j)->giveEquationNumber(dpn) ) {
l_neqs++;
}
}
}
}
}
}
// exchange with other procs the number of eqs numbered on particular procs
int *leqs = new int [ emodel->giveNumberOfProcesses() ];
MPI_Allgather(& l_neqs, 1, MPI_INT, leqs, 1, MPI_INT, MPI_COMM_WORLD);
// compute local offset
int offset = 0;
for ( j = 0; j < myrank; j++ ) {
offset += leqs [ j ];
}
// count global number of eqs
for ( g_neqs = 0, j = 0; j < emodel->giveNumberOfProcesses(); j++ ) {
g_neqs += leqs [ j ];
}
// send numbered shared ones
if ( et == et_standard ) {
locGlobMap.resize( emodel->giveNumberOfEquations(ut) );
} else {
locGlobMap.resize( emodel->giveNumberOfPrescribedEquations(ut) );
}
// determine shared dofs
int psize, nproc = emodel->giveNumberOfProcesses();
IntArray sizeToSend(nproc), sizeToRecv(nproc), nrecToReceive(nproc);
#ifdef __VERBOSE_PARALLEL
IntArray nrecToSend(nproc);
#endif
const IntArray *plist;
for ( i = 1; i <= ndofman; i++ ) {
// if (domain->giveDofManager(i)->giveParallelMode() == DofManager_shared) {
if ( isShared( d->giveDofManager(i) ) ) {
int n = d->giveDofManager(i)->giveNumberOfDofs();
plist = d->giveDofManager(i)->givePartitionList();
psize = plist->giveSize();
int minrank = myrank;
for ( j = 1; j <= psize; j++ ) {
minrank = min( minrank, plist->at(j) );
}
if ( minrank == myrank ) { // count to send
for ( j = 1; j <= psize; j++ ) {
#ifdef __VERBOSE_PARALLEL
nrecToSend( plist->at(j) )++;
#endif
sizeToSend( plist->at(j) ) += ( 1 + n ); // ndofs+dofman number
}
} else {
nrecToReceive(minrank)++;
sizeToRecv(minrank) += ( 1 + n ); // ndofs+dofman number
}
}
}
#ifdef __VERBOSE_PARALLEL
for ( i = 0; i < nproc; i++ ) {
OOFEM_LOG_INFO("[%d] Record Statistics: Sending %d Receiving %d to %d\n",
myrank, nrecToSend(i), nrecToReceive(i), i);
}
#endif
std :: map< int, int >globloc; // global->local mapping for shared
// number local guys
int globeq = offset;
for ( i = 1; i <= ndofman; i++ ) {
dman = d->giveDofManager(i);
//if (dman->giveParallelMode() == DofManager_shared) {
if ( isShared(dman) ) {
globloc [ dman->giveGlobalNumber() ] = i; // build global->local mapping for shared
plist = dman->givePartitionList();
psize = plist->giveSize();
int minrank = myrank;
for ( j = 1; j <= psize; j++ ) {
minrank = min( minrank, plist->at(j) );
}
if ( minrank == myrank ) { // local
ndofs = dman->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
if ( dman->giveDof(j)->isPrimaryDof() ) {
int eq;
if ( et == et_standard ) {
eq = dman->giveDof(j)->giveEquationNumber(dn);
} else {
eq = dman->giveDof(j)->giveEquationNumber(dpn);
}
if ( eq ) {
locGlobMap.at(eq) = globeq++;
}
}
}
}
//} else if (dman->giveParallelMode() == DofManager_local) {
} else {
ndofs = dman->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
if ( dman->giveDof(j)->isPrimaryDof() ) {
int eq;
if ( et == et_standard ) {
eq = dman->giveDof(j)->giveEquationNumber(dn);
} else {
eq = dman->giveDof(j)->giveEquationNumber(dpn);
}
if ( eq ) {
locGlobMap.at(eq) = globeq++;
}
}
}
}
}
/*
* fprintf (stderr, "[%d] locGlobMap: ", myrank);
* for (i=1; i<=locGlobMap.giveSize(); i++)
* fprintf (stderr, "%d ",locGlobMap.at(i));
*/
// pack data for remote procs
CommunicationBuffer **buffs = new CommunicationBuffer * [ nproc ];
for ( p = 0; p < nproc; p++ ) {
buffs [ p ] = new StaticCommunicationBuffer(MPI_COMM_WORLD, 0);
buffs [ p ]->resize( buffs [ p ]->givePackSize(MPI_INT, 1) * sizeToSend(p) );
#if 0
OOFEM_LOG_INFO( "[%d]PetscN2G:: init: Send buffer[%d] size %d\n",
myrank, p, sizeToSend(p) );
#endif
}
for ( i = 1; i <= ndofman; i++ ) {
if ( isShared( d->giveDofManager(i) ) ) {
dman = d->giveDofManager(i);
plist = dman->givePartitionList();
psize = plist->giveSize();
int minrank = myrank;
for ( j = 1; j <= psize; j++ ) {
minrank = min( minrank, plist->at(j) );
}
if ( minrank == myrank ) { // do send
for ( j = 1; j <= psize; j++ ) {
p = plist->at(j);
if ( p == myrank ) {
continue;
}
#if 0
OOFEM_LOG_INFO("[%d]PetscN2G:: init: Sending localShared node %d[%d] to proc %d\n",
myrank, i, dman->giveGlobalNumber(), p);
#endif
buffs [ p ]->packInt( dman->giveGlobalNumber() );
ndofs = dman->giveNumberOfDofs();
for ( k = 1; k <= ndofs; k++ ) {
if ( dman->giveDof(k)->isPrimaryDof() ) {
int eq;
if ( et == et_standard ) {
eq = dman->giveDof(k)->giveEquationNumber(dn);
} else {
eq = dman->giveDof(k)->giveEquationNumber(dpn);
}
if ( eq ) {
buffs [ p ]->packInt( locGlobMap.at(eq) );
}
}
}
}
}
}
}
//fprintf (stderr, "[%d] Sending glob nums ...", myrank);
// send buffers
for ( p = 0; p < nproc; p++ ) {
if ( p != myrank ) {
buffs [ p ]->iSend(p, 999);
}
}
/****
*
* for (p=0; p<nproc; p++) {
* if (p == myrank) continue;
* for (i=1; i<= ndofman; i++) {
* //if (domain->giveDofManager(i)->giveParallelMode() == DofManager_shared) {
* if (isShared(d->giveDofManager(i))) {
* dman = d->giveDofManager(i);
* plist = dman->givePartitionList();
* psize = plist->giveSize();
* int minrank = myrank;
* for (j=1; j<=psize; j++) minrank = min (minrank, plist->at(j));
* if (minrank == myrank) { // do send
* buffs[p]->packInt(dman->giveGlobalNumber());
* ndofs = dman->giveNumberOfDofs ();
* for (j=1; j<=ndofs; j++) {
* if (dman->giveDof(j)->isPrimaryDof()) {
* buffs[p]->packInt(locGlobMap.at(dman->giveDof(j)->giveEquationNumber()));
* }
* }
* }
* }
* }
* // send buffer
* buffs[p]->iSend(p, 999);
* }
****/
// receive remote eqs and complete global numbering
CommunicationBuffer **rbuffs = new CommunicationBuffer * [ nproc ];
for ( p = 0; p < nproc; p++ ) {
rbuffs [ p ] = new StaticCommunicationBuffer(MPI_COMM_WORLD, 0);
rbuffs [ p ]->resize( rbuffs [ p ]->givePackSize(MPI_INT, 1) * sizeToRecv(p) );
#if 0
OOFEM_LOG_INFO( "[%d]PetscN2G:: init: Receive buffer[%d] size %d\n",
myrank, p, sizeToRecv(p) );
#endif
}
//fprintf (stderr, "[%d] Receiving glob nums ...", myrank);
for ( p = 0; p < nproc; p++ ) {
if ( p != myrank ) {
rbuffs [ p ]->iRecv(p, 999);
}
}
IntArray finished(nproc);
finished.zero();
int fin = 1;
finished.at(emodel->giveRank() + 1) = 1;
do {
for ( p = 0; p < nproc; p++ ) {
if ( finished.at(p + 1) == 0 ) {
if ( rbuffs [ p ]->testCompletion() ) {
// data are here
// unpack them
int nite = nrecToReceive(p);
int shdm, ldm;
for ( i = 1; i <= nite; i++ ) {
rbuffs [ p ]->unpackInt(shdm);
#if 0
OOFEM_LOG_INFO("[%d]PetscN2G:: init: Received shared node [%d] from proc %d\n",
myrank, shdm, p);
#endif
//
// find local guy coorecponding to shdm
if ( globloc.find(shdm) != globloc.end() ) {
ldm = globloc [ shdm ];
} else {
OOFEM_ERROR3("[%d] PetscNatural2GlobalOrdering :: init: invalid shared dofman received, globnum %d\n", myrank, shdm);
}
dman = d->giveDofManager(ldm);
ndofs = dman->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
if ( dman->giveDof(j)->isPrimaryDof() ) {
int eq;
if ( et == et_standard ) {
eq = dman->giveDof(j)->giveEquationNumber(dn);
} else {
eq = dman->giveDof(j)->giveEquationNumber(dpn);
}
if ( eq ) {
int val;
rbuffs [ p ]->unpackInt(val);
locGlobMap.at(eq) = val;
}
}
}
}
finished.at(p + 1) = 1;
fin++;
}
}
}
} while ( fin < nproc );
/*
* fprintf (stderr, "[%d] Finished receiving glob nums ...", myrank);
*
* fprintf (stderr, "[%d] locGlobMap:", myrank);
* for (i=1; i<=locGlobMap.giveSize(); i++)
* fprintf (stderr, "%d ",locGlobMap.at(i));
*/
#ifdef __VERBOSE_PARALLEL
if ( et == et_standard ) {
int _eq;
char *ptr;
char *locname = "local", *shname = "shared", *unkname = "unknown";
for ( i = 1; i <= ndofman; i++ ) {
dman = d->giveDofManager(i);
if ( dman->giveParallelMode() == DofManager_local ) {
ptr = locname;
} else if ( dman->giveParallelMode() == DofManager_shared ) {
ptr = shname;
} else {
ptr = unkname;
}
ndofs = dman->giveNumberOfDofs();
for ( j = 1; j <= ndofs; j++ ) {
if ( ( _eq = dman->giveDof(j)->giveEquationNumber(dn) ) ) {
fprintf( stderr, "[%d] n:%6s %d[%d] (%d), leq = %d, geq = %d\n", emodel->giveRank(), ptr, i, dman->giveGlobalNumber(), j, _eq, locGlobMap.at(_eq) );
} else {
fprintf(stderr, "[%d] n:%6s %d[%d] (%d), leq = %d, geq = %d\n", emodel->giveRank(), ptr, i, dman->giveGlobalNumber(), j, _eq, 0);
}
}
}
}
#endif
// build reverse map
int lneq;
if ( et == et_standard ) {
lneq = emodel->giveNumberOfEquations(ut);
} else {
lneq = emodel->giveNumberOfPrescribedEquations(ut);
}
globLocMap.clear();
for ( i = 1; i <= lneq; i++ ) {
globLocMap [ locGlobMap.at(i) ] = i;
}
for ( p = 0; p < nproc; p++ ) {
delete rbuffs [ p ];
delete buffs [ p ];
}
delete[] rbuffs;
delete[] buffs;
delete[] leqs;
MPI_Barrier(MPI_COMM_WORLD);
#ifdef __VERBOSE_PARALLEL
VERBOSEPARALLEL_PRINT("PetscNatural2GlobalOrdering :: init", "done", myrank);
#endif
}
bool
NRSolver :: checkConvergence(FloatArray &RT, FloatArray &F, FloatArray &rhs, FloatArray &ddX, FloatArray &X,
double RRT, const FloatArray &internalForcesEBENorm,
int nite, bool &errorOutOfRange, TimeStep *tNow)
{
double forceErr, dispErr;
FloatArray dg_forceErr, dg_dispErr, dg_totalLoadLevel, dg_totalDisp;
bool answer;
EModelDefaultEquationNumbering dn;
#ifdef __PARALLEL_MODE
#ifdef __PETSC_MODULE
PetscContext *parallel_context = engngModel->givePetscContext(this->domain->giveNumber());
Natural2LocalOrdering *n2l = parallel_context->giveN2Lmap();
#endif
#endif
/*
* The force errors are (if possible) evaluated as relative errors.
* If the norm of applied load vector is zero (one may load by temperature, etc)
* then the norm of reaction forces is used in relative norm evaluation.
*
* Note: This is done only when all dofs are included (nccdg = 0). Not implemented if
* multiple convergence criteria are used.
*
*/
answer = true;
errorOutOfRange = false;
if ( internalForcesEBENorm.giveSize() > 1 ) { // Special treatment when just one norm is given; No grouping
int nccdg = this->domain->giveMaxDofID();
// Keeps tracks of which dof IDs are actually in use;
IntArray idsInUse(nccdg);
idsInUse.zero();
// zero error norms per group
dg_forceErr.resize(nccdg); dg_forceErr.zero();
dg_dispErr.resize(nccdg); dg_dispErr.zero();
dg_totalLoadLevel.resize(nccdg); dg_totalLoadLevel.zero();
dg_totalDisp.resize(nccdg); dg_totalDisp.zero();
// loop over dof managers
int ndofman = domain->giveNumberOfDofManagers();
for ( int idofman = 1; idofman <= ndofman; idofman++ ) {
DofManager *dofman = domain->giveDofManager(idofman);
#if ( defined ( __PARALLEL_MODE ) && defined ( __PETSC_MODULE ) )
if ( !parallel_context->isLocal(dofman) ) {
continue;
}
#endif
// loop over individual dofs
int ndof = dofman->giveNumberOfDofs();
for ( int idof = 1; idof <= ndof; idof++ ) {
Dof *dof = dofman->giveDof(idof);
if ( !dof->isPrimaryDof() ) continue;
int eq = dof->giveEquationNumber(dn);
int dofid = dof->giveDofID();
if ( !eq ) continue;
dg_forceErr.at(dofid) += rhs.at(eq) * rhs.at(eq);
dg_dispErr.at(dofid) += ddX.at(eq) * ddX.at(eq);
dg_totalLoadLevel.at(dofid) += RT.at(eq) * RT.at(eq);
dg_totalDisp.at(dofid) += X.at(eq) * X.at(eq);
idsInUse.at(dofid) = 1;
} // end loop over DOFs
} // end loop over dof managers
// loop over elements and their DOFs
int nelem = domain->giveNumberOfElements();
for ( int ielem = 1; ielem <= nelem; ielem++ ) {
Element *elem = domain->giveElement(ielem);
#ifdef __PARALLEL_MODE
if ( elem->giveParallelMode() != Element_local ) {
continue;
}
#endif
// loop over element internal Dofs
for ( int idofman = 1; idofman <= elem->giveNumberOfInternalDofManagers(); idofman++) {
DofManager *dofman = elem->giveInternalDofManager(idofman);
int ndof = dofman->giveNumberOfDofs();
// loop over individual dofs
for ( int idof = 1; idof <= ndof; idof++ ) {
Dof *dof = dofman->giveDof(idof);
if ( !dof->isPrimaryDof() ) continue;
int eq = dof->giveEquationNumber(dn);
int dofid = dof->giveDofID();
if ( !eq ) continue;
#if ( defined ( __PARALLEL_MODE ) && defined ( __PETSC_MODULE ) )
if ( engngModel->isParallel() && !n2l->giveNewEq(eq) ) continue;
#endif
dg_forceErr.at(dofid) += rhs.at(eq) * rhs.at(eq);
dg_dispErr.at(dofid) += ddX.at(eq) * ddX.at(eq);
dg_totalLoadLevel.at(dofid) += RT.at(eq) * RT.at(eq);
dg_totalDisp.at(dofid) += X.at(eq) * X.at(eq);
idsInUse.at(dofid) = 1;
} // end loop over DOFs
} // end loop over element internal dofmans
} // end loop over elements
// loop over boundary conditions and their internal DOFs
for ( int ibc = 1; ibc <= domain->giveNumberOfBoundaryConditions(); ibc++ ) {
GeneralBoundaryCondition *bc = domain->giveBc(ibc);
// loop over element internal Dofs
for ( int idofman = 1; idofman <= bc->giveNumberOfInternalDofManagers(); idofman++) {
DofManager *dofman = bc->giveInternalDofManager(idofman);
int ndof = dofman->giveNumberOfDofs();
// loop over individual dofs
for ( int idof = 1; idof <= ndof; idof++ ) {
Dof *dof = dofman->giveDof(idof);
if ( !dof->isPrimaryDof() ) continue;
int eq = dof->giveEquationNumber(dn);
int dofid = dof->giveDofID();
if ( !eq ) continue;
#if ( defined ( __PARALLEL_MODE ) && defined ( __PETSC_MODULE ) )
if ( engngModel->isParallel() && !n2l->giveNewEq(eq) ) continue;
#endif
dg_forceErr.at(dofid) += rhs.at(eq) * rhs.at(eq);
dg_dispErr.at(dofid) += ddX.at(eq) * ddX.at(eq);
dg_totalLoadLevel.at(dofid) += RT.at(eq) * RT.at(eq);
dg_totalDisp.at(dofid) += X.at(eq) * X.at(eq);
idsInUse.at(dofid) = 1;
} // end loop over DOFs
} // end loop over element internal dofmans
} // end loop over elements
#ifdef __PARALLEL_MODE
// exchange individual partition contributions (simultaneously for all groups)
#ifdef __PETSC_MODULE
FloatArray collectiveErr(nccdg);
parallel_context->accumulate(dg_forceErr, collectiveErr); dg_forceErr = collectiveErr;
parallel_context->accumulate(dg_dispErr, collectiveErr); dg_dispErr = collectiveErr;
parallel_context->accumulate(dg_totalLoadLevel, collectiveErr); dg_totalLoadLevel = collectiveErr;
parallel_context->accumulate(dg_totalDisp, collectiveErr); dg_totalDisp = collectiveErr;
#else
if ( this->engngModel->isParallel() ) {
FloatArray collectiveErr(nccdg);
MPI_Allreduce(dg_forceErr.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
dg_forceErr = collectiveErr;
MPI_Allreduce(dg_dispErr.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
dg_dispErr = collectiveErr;
MPI_Allreduce(dg_totalLoadLevel.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
dg_totalLoadLevel = collectiveErr;
MPI_Allreduce(dg_totalDisp.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
dg_totalDisp = collectiveErr;
return globalNorm;
}
#endif
#endif
OOFEM_LOG_INFO("NRSolver: %-5d", nite);
//bool zeroNorm = false;
// loop over dof groups and check convergence individually
for ( int dg = 1; dg <= nccdg; dg++ ) {
bool zeroFNorm = false, zeroDNorm = false;
// Skips the ones which aren't used in this problem (the residual will be zero for these anyway, but it is annoying to print them all)
if ( !idsInUse.at(dg) ) {
continue;
}
OOFEM_LOG_INFO( " %s:", __DofIDItemToString((DofIDItem)dg).c_str() );
if ( rtolf.at(1) > 0.0 ) {
// compute a relative error norm
if ( ( dg_totalLoadLevel.at(dg) + internalForcesEBENorm.at(dg) ) > nrsolver_ERROR_NORM_SMALL_NUM ) {
forceErr = sqrt( dg_forceErr.at(dg) / ( dg_totalLoadLevel.at(dg) + internalForcesEBENorm.at(dg) ) );
} else {
// If both external forces and internal ebe norms are zero, then the residual must be zero.
//zeroNorm = true; // Warning about this afterwards.
zeroFNorm = true;
forceErr = sqrt( dg_forceErr.at(dg) );
}
if ( forceErr > rtolf.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
errorOutOfRange = true;
}
if ( forceErr > rtolf.at(1) ) {
answer = false;
}
OOFEM_LOG_INFO( zeroFNorm ? " *%.3e" : " %.3e", forceErr );
}
if ( rtold.at(1) > 0.0 ) {
// compute displacement error
if ( dg_totalDisp.at(dg) > nrsolver_ERROR_NORM_SMALL_NUM ) {
dispErr = sqrt( dg_dispErr.at(dg) / dg_totalDisp.at(dg) );
} else {
///@todo This is almost always the case for displacement error. nrsolveR_ERROR_NORM_SMALL_NUM is no good.
//zeroNorm = true; // Warning about this afterwards.
//zeroDNorm = true;
dispErr = sqrt( dg_dispErr.at(dg) );
}
if ( dispErr > rtold.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
errorOutOfRange = true;
}
if ( dispErr > rtold.at(1) ) {
answer = false;
}
OOFEM_LOG_INFO( zeroDNorm ? " *%.3e" : " %.3e", dispErr );
}
}
OOFEM_LOG_INFO("\n");
//if ( zeroNorm ) OOFEM_WARNING("NRSolver :: checkConvergence - Had to resort to absolute error measure (marked by *)");
} else { // No dof grouping
double dXX, dXdX;
if ( engngModel->giveProblemScale() == macroScale ) {
OOFEM_LOG_INFO("NRSolver: %-15d", nite);
} else {
OOFEM_LOG_INFO(" NRSolver: %-15d", nite);
}
#ifdef __PARALLEL_MODE
forceErr = parallel_context->norm(rhs); forceErr *= forceErr;
dXX = parallel_context->localNorm(X); dXX *= dXX; // Note: Solutions are always total global values (natural distribution makes little sense for the solution)
dXdX = parallel_context->localNorm(ddX); dXdX *= dXdX;
#else
forceErr = rhs.computeSquaredNorm();
dXX = X.computeSquaredNorm();
dXdX = ddX.computeSquaredNorm();
#endif
if ( rtolf.at(1) > 0.0 ) {
// we compute a relative error norm
if ( ( RRT + internalForcesEBENorm.at(1) ) > nrsolver_ERROR_NORM_SMALL_NUM ) {
forceErr = sqrt( forceErr / ( RRT + internalForcesEBENorm.at(1) ) );
} else {
forceErr = sqrt( forceErr ); // absolute norm as last resort
}
if ( fabs(forceErr) > rtolf.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
errorOutOfRange = true;
}
if ( fabs(forceErr) > rtolf.at(1) ) {
answer = false;
}
OOFEM_LOG_INFO(" %-15e", forceErr);
}
if ( rtold.at(1) > 0.0 ) {
// compute displacement error
// err is relative displacement change
if ( dXX > nrsolver_ERROR_NORM_SMALL_NUM ) {
dispErr = sqrt( dXdX / dXX );
} else {
dispErr = sqrt( dXdX );
}
if ( fabs(dispErr) > rtold.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
errorOutOfRange = true;
}
if ( fabs(dispErr) > rtold.at(1) ) {
answer = false;
}
OOFEM_LOG_INFO(" %-15e", dispErr);
}
OOFEM_LOG_INFO("\n");
} // end default case (all dofs contributing)
return answer;
}
void NlDEIDynamic :: solveYourselfAt(TimeStep *tStep)
{
//
// Creates system of governing eq's and solves them at given time step.
//
Domain *domain = this->giveDomain(1);
int neq = this->giveNumberOfEquations(EID_MomentumBalance);
int nman = domain->giveNumberOfDofManagers();
DofManager *node;
Dof *iDof;
int nDofs;
int i, k, j, jj;
double coeff, maxDt, maxOm = 0.;
double prevIncrOfDisplacement, incrOfDisplacement;
if ( initFlag ) {
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling mass matrix\n");
#endif
//
// Assemble mass matrix.
//
this->computeMassMtrx(massMatrix, maxOm, tStep);
if ( drFlag ) {
// If dynamic relaxation: Assemble amplitude load vector.
loadRefVector.resize(neq);
loadRefVector.zero();
this->computeLoadVector(loadRefVector, VM_Total, tStep);
#ifdef __PARALLEL_MODE
// Compute the processor part of load vector norm pMp
this->pMp = 0.0;
double my_pMp = 0.0, coeff = 1.0;
int eqNum, ndofs, ndofman = domain->giveNumberOfDofManagers();
dofManagerParallelMode dofmanmode;
DofManager *dman;
Dof *jdof;
for ( int dm = 1; dm <= ndofman; dm++ ) {
dman = domain->giveDofManager(dm);
ndofs = dman->giveNumberOfDofs();
dofmanmode = dman->giveParallelMode();
// Skip all remote and null dofmanagers
coeff = 1.0;
if ( ( dofmanmode == DofManager_remote ) || ( ( dofmanmode == DofManager_null ) ) ) {
continue;
} else if ( dofmanmode == DofManager_shared ) {
coeff = 1. / dman->givePartitionsConnectivitySize();
}
// For shared nodes we add locally an average = 1/givePartitionsConnectivitySize()*contribution,
for ( j = 1; j <= ndofs; j++ ) {
jdof = dman->giveDof(j);
if ( jdof->isPrimaryDof() && ( eqNum = jdof->__giveEquationNumber() ) ) {
my_pMp += coeff * loadRefVector.at(eqNum) * loadRefVector.at(eqNum) / massMatrix.at(eqNum);
}
}
}
// Sum up the contributions from processors.
MPI_Allreduce(& my_pMp, & pMp, 1, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
#else
this->pMp = 0.0;
for ( i = 1; i <= neq; i++ ) {
pMp += loadRefVector.at(i) * loadRefVector.at(i) / massMatrix.at(i);
}
#endif
// Solve for rate of loading process (parameter "c") (undamped system assumed),
if ( dumpingCoef < 1.e-3 ) {
c = 3.0 * this->pyEstimate / pMp / Tau / Tau;
} else {
c = this->pyEstimate * Tau * dumpingCoef * dumpingCoef * dumpingCoef / pMp /
( -3.0 / 2.0 + dumpingCoef * Tau + 2.0 * exp(-dumpingCoef * Tau) - 0.5 * exp(-2.0 * dumpingCoef * Tau) );
}
}
initFlag = 0;
}
if ( tStep->giveNumber() == giveNumberOfFirstStep() ) {
//
// Special init step - Compute displacements at tstep 0.
//
displacementVector.resize(neq);
displacementVector.zero();
previousIncrementOfDisplacementVector.resize(neq);
previousIncrementOfDisplacementVector.zero();
velocityVector.resize(neq);
velocityVector.zero();
accelerationVector.resize(neq);
accelerationVector.zero();
for ( j = 1; j <= nman; j++ ) {
node = domain->giveDofManager(j);
nDofs = node->giveNumberOfDofs();
for ( k = 1; k <= nDofs; k++ ) {
// Ask for initial values obtained from
// bc (boundary conditions) and ic (initial conditions)
// all dofs are expected to be DisplacementVector type.
iDof = node->giveDof(k);
if ( !iDof->isPrimaryDof() ) {
continue;
}
jj = iDof->__giveEquationNumber();
if ( jj ) {
displacementVector.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Total, tStep);
velocityVector.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Velocity, tStep);
accelerationVector.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Acceleration, tStep) ;
}
}
}
//
// Set-up numerical model.
//
// Try to determine the best deltaT,
maxDt = 2.0 / sqrt(maxOm);
if ( deltaT > maxDt ) {
// Print reduced time step increment and minimum period Tmin
OOFEM_LOG_RELEVANT("deltaT reduced to %e, Tmin is %e\n", maxDt, maxDt * M_PI);
deltaT = maxDt;
tStep->setTimeIncrement(deltaT);
}
for ( j = 1; j <= neq; j++ ) {
previousIncrementOfDisplacementVector.at(j) = velocityVector.at(j) * ( deltaT );
displacementVector.at(j) -= previousIncrementOfDisplacementVector.at(j);
}
#ifdef VERBOSE
OOFEM_LOG_RELEVANT( "\n\nSolving [Step number %8d, Time %15e]\n", tStep->giveNumber(), tStep->giveTargetTime() );
#endif
return;
} // end of init step
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling right hand side\n");
#endif
for ( i = 1; i <= neq; i++ ) {
displacementVector.at(i) += previousIncrementOfDisplacementVector.at(i);
}
// Update solution state counter
tStep->incrementStateCounter();
// Compute internal forces.
this->giveInternalForces( internalForces, false, 1, tStep );
if ( !drFlag ) {
//
// Assembling the element part of load vector.
//
this->computeLoadVector(loadVector, VM_Total, tStep);
//
// Assembling additional parts of right hand side.
//
for ( k = 1; k <= neq; k++ ) {
loadVector.at(k) -= internalForces.at(k);
}
} else {
// Dynamic relaxation
// compute load factor
pt = 0.0;
#ifdef __PARALLEL_MODE
double my_pt = 0.0, coeff = 1.0;
int eqNum, ndofs, ndofman = domain->giveNumberOfDofManagers();
dofManagerParallelMode dofmanmode;
DofManager *dman;
Dof *jdof;
for ( int dm = 1; dm <= ndofman; dm++ ) {
dman = domain->giveDofManager(dm);
ndofs = dman->giveNumberOfDofs();
dofmanmode = dman->giveParallelMode();
// skip all remote and null dofmanagers
coeff = 1.0;
if ( ( dofmanmode == DofManager_remote ) || ( dofmanmode == DofManager_null ) ) {
continue;
} else if ( dofmanmode == DofManager_shared ) {
coeff = 1. / dman->givePartitionsConnectivitySize();
}
// For shared nodes we add locally an average= 1/givePartitionsConnectivitySize()*contribution.
for ( j = 1; j <= ndofs; j++ ) {
jdof = dman->giveDof(j);
if ( jdof->isPrimaryDof() && ( eqNum = jdof->__giveEquationNumber() ) ) {
my_pt += coeff * internalForces.at(eqNum) * loadRefVector.at(eqNum) / massMatrix.at(eqNum);
}
}
}
// Sum up the contributions from processors.
MPI_Allreduce(& my_pt, & pt, 1, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
#else
for ( k = 1; k <= neq; k++ ) {
pt += internalForces.at(k) * loadRefVector.at(k) / massMatrix.at(k);
}
#endif
pt = pt / pMp;
if ( dumpingCoef < 1.e-3 ) {
pt += c * ( Tau - tStep->giveTargetTime() ) / Tau;
} else {
pt += c * ( 1.0 - exp( dumpingCoef * ( tStep->giveTargetTime() - Tau ) ) ) / dumpingCoef / Tau;
}
loadVector.resize( this->giveNumberOfEquations(EID_MomentumBalance) );
for ( k = 1; k <= neq; k++ ) {
loadVector.at(k) = pt * loadRefVector.at(k) - internalForces.at(k);
}
// Compute relative error.
double err = 0.0;
#ifdef __PARALLEL_MODE
double my_err = 0.0;
for ( int dm = 1; dm <= ndofman; dm++ ) {
dman = domain->giveDofManager(dm);
ndofs = dman->giveNumberOfDofs();
dofmanmode = dman->giveParallelMode();
// Skip all remote and null dofmanagers.
coeff = 1.0;
if ( ( dofmanmode == DofManager_remote ) || ( dofmanmode == DofManager_null ) ) {
continue;
} else if ( dofmanmode == DofManager_shared ) {
coeff = 1. / dman->givePartitionsConnectivitySize();
}
// For shared nodes we add locally an average= 1/givePartitionsConnectivitySize()*contribution.
for ( j = 1; j <= ndofs; j++ ) {
jdof = dman->giveDof(j);
if ( jdof->isPrimaryDof() && ( eqNum = jdof->__giveEquationNumber() ) ) {
my_err += coeff * loadVector.at(eqNum) * loadVector.at(eqNum) / massMatrix.at(eqNum);
}
}
}
// Sum up the contributions from processors.
MPI_Allreduce(& my_err, & err, 1, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
#else
for ( k = 1; k <= neq; k++ ) {
err = loadVector.at(k) * loadVector.at(k) / massMatrix.at(k);
}
#endif
err = err / ( pMp * pt * pt );
OOFEM_LOG_RELEVANT("Relative error is %e, loadlevel is %e\n", err, pt);
}
for ( j = 1; j <= neq; j++ ) {
coeff = massMatrix.at(j);
loadVector.at(j) +=
coeff * ( ( 1. / ( deltaT * deltaT ) ) - dumpingCoef * 1. / ( 2. * deltaT ) ) *
previousIncrementOfDisplacementVector.at(j);
}
//
// Set-up numerical model
//
/* it is not necesary to call numerical method
* approach used here is not good, but effective enough
* inverse of diagonal mass matrix is done here
*/
//
// call numerical model to solve arised problem - done localy here
//
#ifdef VERBOSE
OOFEM_LOG_RELEVANT( "\n\nSolving [Step number %8d, Time %15e]\n", tStep->giveNumber(), tStep->giveTargetTime() );
#endif
for ( i = 1; i <= neq; i++ ) {
prevIncrOfDisplacement = previousIncrementOfDisplacementVector.at(i);
incrOfDisplacement = loadVector.at(i) /
( massMatrix.at(i) * ( 1. / ( deltaT * deltaT ) + dumpingCoef / ( 2. * deltaT ) ) );
accelerationVector.at(i) = ( incrOfDisplacement - prevIncrOfDisplacement ) / ( deltaT * deltaT );
velocityVector.at(i) = ( incrOfDisplacement + prevIncrOfDisplacement ) / ( 2. * deltaT );
previousIncrementOfDisplacementVector.at(i) = incrOfDisplacement;
}
}
void
NonLinearDynamic :: proceedStep(int di, TimeStep *tStep)
{
// creates system of governing eq's and solves them at given time step
// first assemble problem at current time step
int neq = this->giveNumberOfEquations(EID_MomentumBalance);
// Time-stepping constants
double dt2 = deltaT * deltaT;
if ( tStep->giveTimeDiscretization() == TD_Newmark ) {
OOFEM_LOG_DEBUG("Solving using Newmark-beta method\n");
a0 = 1 / ( beta * dt2 );
a1 = gamma / ( beta * deltaT );
a2 = 1 / ( beta * deltaT );
a3 = 1 / ( 2 * beta ) - 1;
a4 = ( gamma / beta ) - 1;
a5 = deltaT / 2 * ( gamma / beta - 2 );
a6 = 0;
} else if ( ( tStep->giveTimeDiscretization() == TD_TwoPointBackward ) || ( tStep->giveNumber() == giveNumberOfFirstStep() ) ) {
if ( tStep->giveTimeDiscretization() != TD_ThreePointBackward ) {
OOFEM_LOG_DEBUG("Solving using Backward Euler method\n");
} else {
OOFEM_LOG_DEBUG("Solving initial step using Three-point Backward Euler method\n");
}
a0 = 1 / dt2;
a1 = 1 / deltaT;
a2 = 1 / deltaT;
a3 = 0;
a4 = 0;
a5 = 0;
a6 = 0;
} else if ( tStep->giveTimeDiscretization() == TD_ThreePointBackward ) {
OOFEM_LOG_DEBUG("Solving using Three-point Backward Euler method\n");
a0 = 2 / dt2;
a1 = 3 / ( 2 * deltaT );
a2 = 2 / deltaT;
a3 = 0;
a4 = 0;
a5 = 0;
a6 = 1 / ( 2 * deltaT );
} else {
_error("NonLinearDynamic: Time-stepping scheme not found!\n")
}
if ( tStep->giveNumber() == giveNumberOfFirstStep() ) {
// Initialization
previousIncrementOfDisplacement.resize(neq);
previousIncrementOfDisplacement.zero();
previousTotalDisplacement.resize(neq);
previousTotalDisplacement.zero();
totalDisplacement.resize(neq);
totalDisplacement.zero();
previousInternalForces.resize(neq);
previousInternalForces.zero();
incrementOfDisplacement.resize(neq);
incrementOfDisplacement.zero();
velocityVector.resize(neq);
velocityVector.zero();
accelerationVector.resize(neq);
accelerationVector.zero();
TimeStep *stepWhenIcApply = new TimeStep(giveNumberOfTimeStepWhenIcApply(), this, 0,
-deltaT, deltaT, 0);
int nDofs, j, k, jj;
int nman = this->giveDomain(di)->giveNumberOfDofManagers();
DofManager *node;
Dof *iDof;
// Considering initial conditions.
for ( j = 1; j <= nman; j++ ) {
node = this->giveDomain(di)->giveDofManager(j);
nDofs = node->giveNumberOfDofs();
for ( k = 1; k <= nDofs; k++ ) {
// Ask for initial values obtained from
// bc (boundary conditions) and ic (initial conditions).
iDof = node->giveDof(k);
if ( !iDof->isPrimaryDof() ) {
continue;
}
jj = iDof->__giveEquationNumber();
if ( jj ) {
incrementOfDisplacement.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Total, stepWhenIcApply);
velocityVector.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Velocity, stepWhenIcApply);
accelerationVector.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Acceleration, stepWhenIcApply);
}
}
}
} else {
incrementOfDisplacement.resize(neq);
incrementOfDisplacement.zero();
}
if ( initFlag ) {
// First assemble problem at current time step.
// Option to take into account initial conditions.
if ( !stiffnessMatrix ) {
stiffnessMatrix = CreateUsrDefSparseMtrx(sparseMtrxType);
}
if ( stiffnessMatrix == NULL ) {
_error("proceedStep: sparse matrix creation failed");
}
if ( nonlocalStiffnessFlag ) {
if ( !stiffnessMatrix->isAsymmetric() ) {
_error("proceedStep: stiffnessMatrix does not support asymmetric storage");
}
}
stiffnessMatrix->buildInternalStructure( this, di, EID_MomentumBalance, EModelDefaultEquationNumbering() );
// Initialize vectors
help.resize(neq);
rhs.resize(neq);
rhs2.resize(neq);
internalForces.resize(neq);
help.zero();
rhs.zero();
rhs2.zero();
previousTotalDisplacement.resize(neq);
for ( int i = 1; i <= neq; i++ ) {
previousTotalDisplacement.at(i) = totalDisplacement.at(i);
}
initFlag = 0;
}
#ifdef VERBOSE
OOFEM_LOG_DEBUG("Assembling load\n");
#endif
// Assemble the incremental reference load vector.
this->assembleIncrementalReferenceLoadVectors(incrementalLoadVector, incrementalLoadVectorOfPrescribed,
refLoadInputMode, this->giveDomain(di), EID_MomentumBalance, tStep);
// Assembling the effective load vector
for ( int i = 1; i <= neq; i++ ) {
help.at(i) = a2 * velocityVector.at(i) + a3 * accelerationVector.at(i)
+ eta * ( a4 * velocityVector.at(i)
+ a5 * accelerationVector.at(i)
+ a6 * previousIncrementOfDisplacement.at(i) );
}
this->timesMtrx(help, rhs, MassMatrix, this->giveDomain(di), tStep);
if ( delta != 0 ) {
for ( int i = 1; i <= neq; i++ ) {
help.at(i) = delta * ( a4 * velocityVector.at(i)
+ a5 * accelerationVector.at(i)
+ a6 * previousIncrementOfDisplacement.at(i) );
}
this->timesMtrx(help, rhs2, StiffnessMatrix, this->giveDomain(di), tStep);
help.zero();
for ( int i = 1; i <= neq; i++ ) {
rhs.at(i) += rhs2.at(i);
}
}
for ( int i = 1; i <= neq; i++ ) {
rhs.at(i) += incrementalLoadVector.at(i) - previousInternalForces.at(i);
totalDisplacement.at(i) = previousTotalDisplacement.at(i);
}
//
// Set-up numerical model.
//
this->giveNumericalMethod( this->giveCurrentMetaStep() );
//
// Call numerical model to solve problem.
//
double loadLevel = 1.0;
if ( initialLoadVector.isNotEmpty() ) {
numMetStatus = nMethod->solve(stiffnessMatrix, & rhs, & initialLoadVector,
& totalDisplacement, & incrementOfDisplacement, & internalForces,
internalForcesEBENorm, loadLevel, refLoadInputMode, currentIterations, tStep);
} else {
numMetStatus = nMethod->solve(stiffnessMatrix, & rhs, NULL,
& totalDisplacement, & incrementOfDisplacement, & internalForces,
internalForcesEBENorm, loadLevel, refLoadInputMode, currentIterations, tStep);
}
OOFEM_LOG_INFO("Equilibrium reached in %d iterations\n", currentIterations);
}
void IncrementalLinearStatic :: solveYourselfAt(TimeStep *tStep)
{
// Creates system of governing eq's and solves them at given time step
// Initiates the total displacement to zero.
if ( tStep->isTheFirstStep() ) {
Domain *d = this->giveDomain(1);
for ( int i = 1; i <= d->giveNumberOfDofManagers(); i++ ) {
DofManager *dofman = d->giveDofManager(i);
for ( int j = 1; j <= dofman->giveNumberOfDofs(); j++ ) {
dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total_Old, 0.);
dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total, 0.);
// This is actually redundant now;
//dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Incremental, 0.);
}
}
int nbc = d->giveNumberOfBoundaryConditions();
for ( int ibc = 1; ibc <= nbc; ++ibc ) {
GeneralBoundaryCondition *bc = d->giveBc(ibc);
ActiveBoundaryCondition *abc;
if ( ( abc = dynamic_cast< ActiveBoundaryCondition * >( bc ) ) ) {
int ndman = abc->giveNumberOfInternalDofManagers();
for ( int i = 1; i <= ndman; i++ ) {
DofManager *dofman = abc->giveInternalDofManager(i);
for ( int j = 1; j <= dofman->giveNumberOfDofs(); j++ ) {
dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total_Old, 0.);
dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total, 0.);
// This is actually redundant now;
//dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Incremental, 0.);
}
}
}
}
}
// Apply dirichlet b.c's on total values
Domain *d = this->giveDomain(1);
for ( int i = 1; i <= d->giveNumberOfDofManagers(); i++ ) {
DofManager *dofman = d->giveDofManager(i);
for ( int j = 1; j <= dofman->giveNumberOfDofs(); j++ ) {
Dof *d = dofman->giveDof(j);
double tot = d->giveUnknown(VM_Total_Old, tStep);
if ( d->hasBc(tStep) ) {
tot += d->giveBcValue(VM_Incremental, tStep);
}
d->updateUnknownsDictionary(tStep, VM_Total, tot);
}
}
#ifdef VERBOSE
OOFEM_LOG_RELEVANT( "Solving [step number %8d, time %15e]\n", tStep->giveNumber(), tStep->giveTargetTime() );
#endif
int neq = this->giveNumberOfDomainEquations(1, EModelDefaultEquationNumbering());
if (neq == 0) { // Allows for fully prescribed/empty problems.
return;
}
incrementOfDisplacementVector.resize(neq);
incrementOfDisplacementVector.zero();
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling load\n");
#endif
// Assembling the element part of load vector
internalLoadVector.resize(neq);
internalLoadVector.zero();
this->assembleVector( internalLoadVector, tStep, EID_MomentumBalance, InternalForcesVector,
VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );
loadVector.resize(neq);
loadVector.zero();
this->assembleVector( loadVector, tStep, EID_MomentumBalance, ExternalForcesVector,
VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );
loadVector.subtract(internalLoadVector);
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling stiffness matrix\n");
#endif
if ( stiffnessMatrix ) {
delete stiffnessMatrix;
}
stiffnessMatrix = classFactory.createSparseMtrx(sparseMtrxType);
if ( stiffnessMatrix == NULL ) {
_error("solveYourselfAt: sparse matrix creation failed");
}
stiffnessMatrix->buildInternalStructure( this, 1, EID_MomentumBalance, EModelDefaultEquationNumbering() );
stiffnessMatrix->zero();
this->assemble( stiffnessMatrix, tStep, EID_MomentumBalance, StiffnessMatrix,
EModelDefaultEquationNumbering(), this->giveDomain(1) );
#ifdef VERBOSE
OOFEM_LOG_INFO("Solving ...\n");
#endif
this->giveNumericalMethod( this->giveCurrentMetaStep() );
NM_Status s = nMethod->solve(stiffnessMatrix, & loadVector, & incrementOfDisplacementVector);
if ( !(s & NM_Success) ) {
OOFEM_ERROR("IncrementalLinearStatic :: solverYourselfAt - No success in solving system.");
}
}
void DEIDynamic :: solveYourselfAt(TimeStep *tStep)
{
//
// creates system of governing eq's and solves them at given time step
//
// this is an explicit problem: we assemble governing equating at time t
// and solution is obtained for time t+dt
//
// first assemble problem at current time step to obtain results in following
// time step.
// and then print results for this step also.
// for first time step we need special start code
Domain *domain = this->giveDomain(1);
int nelem = domain->giveNumberOfElements();
int nman = domain->giveNumberOfDofManagers();
IntArray loc;
Element *element;
DofManager *node;
Dof *iDof;
int nDofs, neq;
int i, k, n, j, jj, kk, init = 0;
double coeff, maxDt, maxOmi, maxOm = 0., maxOmEl, c1, c2, c3;
FloatMatrix charMtrx, charMtrx2;
FloatArray previousDisplacementVector;
neq = this->giveNumberOfEquations(EID_MomentumBalance);
if ( tStep->giveNumber() == giveNumberOfFirstStep() ) {
init = 1;
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling mass matrix\n");
#endif
//
// first step assemble mass Matrix
//
massMatrix.resize(neq);
massMatrix.zero();
EModelDefaultEquationNumbering dn;
for ( i = 1; i <= nelem; i++ ) {
element = domain->giveElement(i);
element->giveLocationArray(loc, EID_MomentumBalance, dn);
element->giveCharacteristicMatrix(charMtrx, LumpedMassMatrix, tStep);
// charMtrx.beLumpedOf(fullCharMtrx);
element->giveCharacteristicMatrix(charMtrx2, StiffnessMatrix, tStep);
//
// assemble it manually
//
#ifdef DEBUG
if ( ( n = loc.giveSize() ) != charMtrx.giveNumberOfRows() ) {
_error("solveYourselfAt : dimension mismatch");
}
#endif
n = loc.giveSize();
maxOmEl = 0.;
for ( j = 1; j <= n; j++ ) {
if ( charMtrx.at(j, j) > ZERO_MASS ) {
maxOmi = charMtrx2.at(j, j) / charMtrx.at(j, j);
if ( init ) {
maxOmEl = ( maxOmEl > maxOmi ) ? ( maxOmEl ) : ( maxOmi );
}
}
}
maxOm = ( maxOm > maxOmEl ) ? ( maxOm ) : ( maxOmEl );
for ( j = 1; j <= n; j++ ) {
jj = loc.at(j);
if ( ( jj ) && ( charMtrx.at(j, j) <= ZERO_MASS ) ) {
charMtrx.at(j, j) = charMtrx2.at(j, j) / maxOmEl;
}
}
for ( j = 1; j <= n; j++ ) {
jj = loc.at(j);
if ( jj ) {
massMatrix.at(jj) += charMtrx.at(j, j);
}
}
}
// if init - try to determine the best deltaT
if ( init ) {
maxDt = 2 / sqrt(maxOm);
if ( deltaT > maxDt ) {
OOFEM_LOG_RELEVANT("DEIDynamic: deltaT reduced to %e\n", maxDt);
deltaT = maxDt;
tStep->setTimeIncrement(deltaT);
}
}
//
// special init step - compute displacements at tstep 0
//
displacementVector.resize(neq);
displacementVector.zero();
nextDisplacementVector.resize(neq);
nextDisplacementVector.zero();
velocityVector.resize(neq);
velocityVector.zero();
accelerationVector.resize(neq);
accelerationVector.zero();
for ( j = 1; j <= nman; j++ ) {
node = domain->giveDofManager(j);
nDofs = node->giveNumberOfDofs();
for ( k = 1; k <= nDofs; k++ ) {
// ask for initial values obtained from
// bc (boundary conditions) and ic (initial conditions)
// now we are setting initial cond. for step -1.
iDof = node->giveDof(k);
if ( !iDof->isPrimaryDof() ) {
continue;
}
jj = iDof->__giveEquationNumber();
if ( jj ) {
nextDisplacementVector.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Total, tStep);
// become displacementVector after init
velocityVector.at(jj) = iDof->giveUnknown(EID_MomentumBalance, VM_Velocity, tStep);
// accelerationVector = iDof->giveUnknown(AccelerartionVector,tStep) ;
}
}
}
for ( j = 1; j <= neq; j++ ) {
nextDisplacementVector.at(j) -= velocityVector.at(j) * ( deltaT );
}
return;
} // end of init step
#ifdef VERBOSE
OOFEM_LOG_INFO("Assembling right hand side\n");
#endif
c1 = ( 1. / ( deltaT * deltaT ) );
c2 = ( 1. / ( 2. * deltaT ) );
c3 = ( 2. / ( deltaT * deltaT ) );
previousDisplacementVector = displacementVector;
displacementVector = nextDisplacementVector;
//
// assembling the element part of load vector
//
loadVector.resize( this->giveNumberOfEquations(EID_MomentumBalance) );
loadVector.zero();
this->assembleVector(loadVector, tStep, EID_MomentumBalance, ExternalForcesVector,
VM_Total, EModelDefaultEquationNumbering(), domain);
//
// assembling additional parts of right hand side
//
EModelDefaultEquationNumbering dn;
for ( i = 1; i <= nelem; i++ ) {
element = domain->giveElement(i);
element->giveLocationArray(loc, EID_MomentumBalance, dn);
element->giveCharacteristicMatrix(charMtrx, StiffnessMatrix, tStep);
n = loc.giveSize();
for ( j = 1; j <= n; j++ ) {
jj = loc.at(j);
if ( jj ) {
for ( k = 1; k <= n; k++ ) {
kk = loc.at(k);
if ( kk ) {
loadVector.at(jj) -= charMtrx.at(j, k) * displacementVector.at(kk);
}
}
//
// if init step - find minimum period of vibration in order to
// determine maximal admissible time step
//
//maxOmi = charMtrx.at(j,j)/massMatrix.at(jj) ;
//if (init) maxOm = (maxOm > maxOmi) ? (maxOm) : (maxOmi) ;
}
}
}
for ( j = 1; j <= neq; j++ ) {
coeff = massMatrix.at(j);
loadVector.at(j) += coeff * c3 * displacementVector.at(j) -
coeff * ( c1 - dumpingCoef * c2 ) *
previousDisplacementVector.at(j);
}
//
// set-up numerical model
//
/* it is not necessary to call numerical method
* approach used here is not good, but effective enough
* inverse of diagonal mass matrix is done here
*/
//
// call numerical model to solve arose problem - done locally here
//
#ifdef VERBOSE
OOFEM_LOG_RELEVANT( "Solving [step number %8d, time %15e]\n", tStep->giveNumber(), tStep->giveTargetTime() );
#endif
double prevD;
for ( i = 1; i <= neq; i++ ) {
prevD = previousDisplacementVector.at(i);
nextDisplacementVector.at(i) = loadVector.at(i) /
( massMatrix.at(i) * ( c1 + dumpingCoef * c2 ) );
velocityVector.at(i) = nextDisplacementVector.at(i) - prevD;
accelerationVector.at(i) =
nextDisplacementVector.at(i) -
2. * displacementVector.at(i) + prevD;
}
accelerationVector.times(c1);
velocityVector.times(c2);
}
void SloanGraph :: initialize()
{
int i, j, k, ielemnodes, ielemintdmans, ndofmans;
int nnodes = domain->giveNumberOfDofManagers();
int nelems = domain->giveNumberOfElements();
int nbcs = domain->giveNumberOfBoundaryConditions();
Element *ielem;
GeneralBoundaryCondition *ibc;
///@todo Use std::list for this first part instead (suboptimization?)
this->nodes.growTo(nnodes);
// Add dof managers.
for ( i = 1; i <= nnodes; i++ ) {
SloanGraphNode *node = new SloanGraphNode(this, i);
nodes.put(i, node);
dmans.put(i, domain->giveDofManager(i) );
}
k = nnodes;
// Add element internal dof managers
for ( i = 1; i <= nelems; i++ ) {
ielem = domain->giveElement(i);
this->nodes.growTo(k+ielem->giveNumberOfInternalDofManagers());
for ( j = 1; j <= ielem->giveNumberOfInternalDofManagers(); ++j ) {
SloanGraphNode *node = new SloanGraphNode(this, i);
nodes.put(++k, node);
dmans.put(++k, ielem->giveInternalDofManager(i) );
}
}
// Add boundary condition internal dof managers
for ( i = 1; i <= nbcs; i++ ) {
ibc = domain->giveBc(i);
if (ibc) {
this->nodes.growTo(k+ibc->giveNumberOfInternalDofManagers());
for ( j = 1; j <= ibc->giveNumberOfInternalDofManagers(); ++j ) {
SloanGraphNode *node = new SloanGraphNode(this, i);
nodes.put(++k, node);
dmans.put(++k, ibc->giveInternalDofManager(i) );
}
}
}
IntArray connections;
for ( i = 1; i <= nelems; i++ ) {
ielem = domain->giveElement(i);
ielemnodes = ielem->giveNumberOfDofManagers();
ielemintdmans = ielem->giveNumberOfInternalDofManagers();
ndofmans = ielemnodes + ielemintdmans;
connections.resize(ndofmans);
for ( j = 1; j <= ielemnodes; j++ ) {
connections.at(j) = ielem->giveDofManager(j)->giveNumber();
}
for ( j = 1; j <= ielemintdmans; j++ ) {
connections.at(ielemnodes+j) = ielem->giveInternalDofManager(j)->giveNumber();
}
for ( j = 1; j <= ndofmans; j++ ) {
for ( k = j + 1; k <= ndofmans; k++ ) {
// Connect both ways
this->giveNode( connections.at(j) )->addNeighbor( connections.at(k) );
this->giveNode( connections.at(k) )->addNeighbor( connections.at(j) );
}
}
}
///@todo Add connections from dof managers to boundary condition internal dof managers.
// loop over dof managers and test if there are some "slave" or rigidArm connection
// if yes, such dependency is reflected in the graph by introducing additional
// graph edges between slaves and corresponding masters
/*
* DofManager* iDofMan;
* for (i=1; i <= nnodes; i++){
* if (domain->giveDofManager (i)->hasAnySlaveDofs()) {
* iDofMan = domain->giveDofManager (i);
* if (iDofMan->giveClassID() == RigidArmNodeClass) {
* // rigid arm node -> has only one master
* int master = ((RigidArmNode*)iDofMan)->giveMasterDofMngr()->giveNumber();
* // add edge
* this->giveNode(i)->addNeighbor (master);
* this->giveNode(master)->addNeighbor(i);
*
* } else {
* // slave dofs are present in dofManager
* // first - ask for masters, these may be different for each dof
* int j;
* for (j=1; j<=iDofMan->giveNumberOfDofs(); j++)
* if (iDofMan->giveDof (j)->giveClassID() == SimpleSlaveDofClass) {
* int master = ((SimpleSlaveDof*) iDofMan->giveDof (j))->giveMasterDofManagerNum();
* // add edge
* this->giveNode(i)->addNeighbor (master);
* this->giveNode(master)->addNeighbor(i);
*
* }
* }
* }
* } // end dof man loop */
std :: set< int, std :: less< int > >masters;
std :: set< int, std :: less< int > > :: iterator it;
IntArray dofMasters;
DofManager *iDofMan;
for ( i = 1; i <= nnodes; i++ ) {
if ( domain->giveDofManager(i)->hasAnySlaveDofs() ) {
// slave dofs are present in dofManager
// first - ask for masters, these may be different for each dof
masters.clear();
iDofMan = domain->giveDofManager(i);
int j, k;
for ( j = 1; j <= iDofMan->giveNumberOfDofs(); j++ ) {
if ( !iDofMan->giveDof(j)->isPrimaryDof() ) {
iDofMan->giveDof(j)->giveMasterDofManArray(dofMasters);
for ( k = 1; k <= dofMasters.giveSize(); k++ ) {
masters.insert( dofMasters.at(k) );
}
}
}
for ( it = masters.begin(); it != masters.end(); ++it ) {
this->giveNode(i)->addNeighbor( * ( it ) );
this->giveNode( * ( it ) )->addNeighbor(i);
}
}
} // end dof man loop
}
void
NonStationaryTransportProblem :: applyIC(TimeStep *stepWhenIcApply)
{
Domain *domain = this->giveDomain(1);
int neq = this->giveNumberOfEquations(EID_ConservationEquation);
FloatArray *solutionVector;
double val;
#ifdef VERBOSE
OOFEM_LOG_INFO("Applying initial conditions\n");
#endif
int nDofs, j, k, jj;
int nman = domain->giveNumberOfDofManagers();
DofManager *node;
Dof *iDof;
UnknownsField->advanceSolution(stepWhenIcApply);
solutionVector = UnknownsField->giveSolutionVector(stepWhenIcApply);
solutionVector->resize(neq);
solutionVector->zero();
for ( j = 1; j <= nman; j++ ) {
node = domain->giveDofManager(j);
nDofs = node->giveNumberOfDofs();
for ( k = 1; k <= nDofs; k++ ) {
// ask for initial values obtained from
// bc (boundary conditions) and ic (initial conditions)
iDof = node->giveDof(k);
if ( !iDof->isPrimaryDof() ) {
continue;
}
jj = iDof->__giveEquationNumber();
if ( jj ) {
val = iDof->giveUnknown(EID_ConservationEquation, VM_Total, stepWhenIcApply);
solutionVector->at(jj) = val;
//update in dictionary, if the problem is growing/decreasing
if ( this->changingProblemSize ) {
iDof->updateUnknownsDictionary(stepWhenIcApply, EID_MomentumBalance, VM_Total, val);
}
}
}
}
int nelem = domain->giveNumberOfElements();
//project initial temperature to integration points
// for ( j = 1; j <= nelem; j++ ) {
// domain->giveElement(j)->updateInternalState(stepWhenIcApply);
// }
#ifdef __CEMHYD_MODULE
// Not relevant in linear case, but needed for CemhydMat for temperature averaging before solving balance equations
// Update element state according to given ic
TransportElement *element;
CemhydMat *cem;
for ( j = 1; j <= nelem; j++ ) {
element = ( TransportElement * ) domain->giveElement(j);
//assign status to each integration point on each element
if ( element->giveMaterial()->giveClassID() == CemhydMatClass ) {
element->giveMaterial()->initMaterial(element); //create microstructures and statuses on specific GPs
element->updateInternalState(stepWhenIcApply); //store temporary unequilibrated temperature
element->updateYourself(stepWhenIcApply); //store equilibrated temperature
cem = ( CemhydMat * ) element->giveMaterial();
cem->clearWeightTemperatureProductVolume(element);
cem->storeWeightTemperatureProductVolume(element, stepWhenIcApply);
}
}
//perform averaging on each material instance of CemhydMatClass
int nmat = domain->giveNumberOfMaterialModels();
for ( j = 1; j <= nmat; j++ ) {
if ( domain->giveMaterial(j)->giveClassID() == CemhydMatClass ) {
cem = ( CemhydMat * ) domain->giveMaterial(j);
cem->averageTemperature();
}
}
#endif //__CEMHYD_MODULE
}
int DSSMatrix :: buildInternalStructure(EngngModel *eModel, int di, EquationID ut, const UnknownNumberingScheme &s)
{
IntArray loc;
Domain *domain = eModel->giveDomain(di);
int neq = eModel->giveNumberOfDomainEquations(di, s);
int nelem = domain->giveNumberOfElements();
int i, ii, j, jj, n;
unsigned long indx;
Element *elem;
// allocation map
std :: vector< std :: set< int > >columns(neq);
unsigned long nz_ = 0;
for ( n = 1; n <= nelem; n++ ) {
elem = domain->giveElement(n);
elem->giveLocationArray(loc, ut, s);
for ( i = 1; i <= loc.giveSize(); i++ ) {
if ( ( ii = loc.at(i) ) ) {
for ( j = 1; j <= loc.giveSize(); j++ ) {
if ( ( jj = loc.at(j) ) ) {
columns [ jj - 1 ].insert(ii - 1);
}
}
}
}
}
// loop over active boundary conditions
int nbc = domain->giveNumberOfBoundaryConditions();
std::vector<IntArray> r_locs;
std::vector<IntArray> c_locs;
for ( i = 1; i <= nbc; ++i ) {
ActiveBoundaryCondition *bc = dynamic_cast< ActiveBoundaryCondition * >( domain->giveBc(i) );
if ( bc != NULL ) {
bc->giveLocationArrays(r_locs, c_locs, ut, UnknownCharType, s, s);
for (std::size_t k = 0; k < r_locs.size(); k++) {
IntArray &krloc = r_locs[k];
IntArray &kcloc = c_locs[k];
for ( int ri = 1; ri <= krloc.giveSize(); ri++ ) {
if ( ( ii = krloc.at(ri) ) ) {
for ( j = 1; j <= kcloc.giveSize(); j++ ) {
if ( (jj = kcloc.at(j) ) ) {
columns [ jj - 1 ].insert(ii - 1);
}
}
}
}
}
}
}
for ( i = 0; i < neq; i++ ) {
nz_ += columns [ i ].size();
}
unsigned long *rowind_ = new unsigned long [ nz_ ];
unsigned long *colptr_ = new unsigned long [ neq + 1 ];
if ( ( rowind_ == NULL ) || ( colptr_ == NULL ) ) {
OOFEM_ERROR("DSSMatrix::buildInternalStructure: free store exhausted, exiting");
}
indx = 0;
std :: set< int > :: iterator pos;
for ( j = 0; j < neq; j++ ) { // column loop
colptr_ [ j ] = indx;
for ( pos = columns [ j ].begin(); pos != columns [ j ].end(); ++pos ) { // row loop
rowind_ [ indx++ ] = * pos;
}
}
colptr_ [ neq ] = indx;
if ( _sm ) {
delete _sm;
}
if ( ( _sm = new SparseMatrixF(neq, NULL, rowind_, colptr_, 0, 0, true) ) == NULL ) {
OOFEM_ERROR("DSSMatrix::buildInternalStructure: free store exhausted, exiting");
}
int bsize = eModel->giveDomain(1)->giveDefaultNodeDofIDArry().giveSize();
/*
* Assemble block to equation mapping information
*/
bool _succ = true;
int _ndofs, _neq, ndofmans = domain->giveNumberOfDofManagers();
int ndofmansbc = 0;
// count number of internal dofmans on active bc
for (n=1; n<=nbc; n++) {
ndofmansbc+=domain->giveBc(n)->giveNumberOfInternalDofManagers();
}
long *mcn = new long [ (ndofmans+ndofmansbc) * bsize ];
long _c = 0;
DofManager *dman;
if ( mcn == NULL ) {
OOFEM_ERROR("DSSMatrix::buildInternalStructure: free store exhausted, exiting");
}
for ( n = 1; n <= ndofmans; n++ ) {
dman = domain->giveDofManager(n);
_ndofs = dman->giveNumberOfDofs();
if ( _ndofs > bsize ) {
_succ = false;
break;
}
for ( i = 1; i <= _ndofs; i++ ) {
if ( dman->giveDof(i)->isPrimaryDof() ) {
_neq = dman->giveDof(i)->giveEquationNumber(s);
if ( _neq > 0 ) {
mcn [ _c++ ] = _neq - 1;
} else {
mcn [ _c++ ] = -1; // no corresponding row in sparse mtrx structure
}
}
}
for ( i = _ndofs + 1; i <= bsize; i++ ) {
mcn [ _c++ ] = -1; // no corresponding row in sparse mtrx structure
}
}
// loop over internal dofmans of active bc
for (int ibc=1; ibc<=nbc; ibc++) {
int ndman = domain->giveBc(ibc)->giveNumberOfInternalDofManagers();
for (int idman = 1; idman <= ndman; idman ++) {
dman = domain->giveBc(ibc)->giveInternalDofManager(idman);
_ndofs = dman->giveNumberOfDofs();
if ( _ndofs > bsize ) {
_succ = false;
break;
}
for ( i = 1; i <= _ndofs; i++ ) {
if ( dman->giveDof(i)->isPrimaryDof() ) {
_neq = dman->giveDof(i)->giveEquationNumber(s);
if ( _neq > 0 ) {
mcn [ _c++ ] = _neq - 1;
} else {
mcn [ _c++ ] = -1; // no corresponding row in sparse mtrx structure
}
}
}
for ( i = _ndofs + 1; i <= bsize; i++ ) {
mcn [ _c++ ] = -1; // no corresponding row in sparse mtrx structure
}
}
}
if ( _succ ) {
_dss->SetMatrixPattern(_sm, bsize);
_dss->LoadMCN(ndofmans+ndofmansbc, bsize, mcn);
} else {
OOFEM_LOG_INFO("DSSMatrix: using assumed block structure");
_dss->SetMatrixPattern(_sm, bsize);
}
_dss->PreFactorize();
// zero matrix, put unity on diagonal with supported dofs
_dss->LoadZeros();
delete[] mcn;
OOFEM_LOG_DEBUG("DSSMatrix info: neq is %d, bsize is %d\n", neq, nz_);
// increment version
this->version++;
return true;
}