// Get mass matrix, find dimensionless particle locations,
// and find grid momenta
void MassAndMomentumTask::Execute(void)
{
CommonException *massErr = NULL;
double fn[maxShapeNodes],xDeriv[maxShapeNodes],yDeriv[maxShapeNodes],zDeriv[maxShapeNodes];
int nds[maxShapeNodes];
#pragma mark ... UPDATE RIGID CONTACT PARTICLES
// Set rigid BC contact material velocities first (so loop can be parallel)
// GetVectorSetting() uses globals and therefore can't be parallel
if(nmpmsRC>nmpmsNR)
{ Vector newvel;
bool hasDir[3];
for(int p=nmpmsNR;p<nmpmsRC;p++)
{ MPMBase *mpmptr = mpm[p];
const RigidMaterial *matID = (RigidMaterial *)theMaterials[mpm[p]->MatID()];
if(matID->GetVectorSetting(&newvel,hasDir,mtime,&mpmptr->pos))
{ // change velocity if functions being used, otherwise keep velocity constant
if(hasDir[0]) mpmptr->vel.x = newvel.x;
if(hasDir[1]) mpmptr->vel.y = newvel.y;
if(hasDir[2]) mpmptr->vel.z = newvel.z;
}
}
}
// loop over non-rigid and rigid contact particles - this parallel part changes only particle p
// mass, momenta, etc are stored on ghost nodes, which are sent to real nodes in next non-parallel loop
//for(int pn=0;pn<4;pn++)
#pragma omp parallel private(fn,xDeriv,yDeriv,zDeriv,nds)
{
// thread for patch pn
int pn = GetPatchNumber();
// in case 2D planar
for(int i=0;i<maxShapeNodes;i++) zDeriv[i] = 0.;
#pragma mark ... EXTRAPOLATE NONRIGID PARTICLES
try
{ for(int block=FIRST_NONRIGID;block<=FIRST_RIGID_CONTACT;block++)
{ MPMBase *mpmptr = patches[pn]->GetFirstBlockPointer(block);
while(mpmptr!=NULL)
{ const MaterialBase *matID = theMaterials[mpmptr->MatID()]; // material object for this particle
int matfld = matID->GetField(); // material velocity field
// get nodes and shape function for material point p
int i,numnds;
const ElementBase *elref = theElements[mpmptr->ElemID()]; // element containing this particle
if(fmobj->multiMaterialMode)
elref->GetShapeGradients(&numnds,fn,nds,xDeriv,yDeriv,zDeriv,mpmptr);
else
elref->GetShapeFunctions(&numnds,fn,nds,mpmptr);
// Add particle property to each node in the element
short vfld;
NodalPoint *ndptr;
for(i=1;i<=numnds;i++)
{ // get node pointer
ndptr = GetNodePointer(pn,nds[i]);
// momentum vector (and allocate velocity field if needed)
vfld = mpmptr->vfld[i];
ndptr->AddMassMomentum(mpmptr,vfld,matfld,fn[i],xDeriv[i],yDeriv[i],zDeriv[i],
1,block==FIRST_NONRIGID);
}
// next material point
mpmptr = (MPMBase *)mpmptr->GetNextObject();
}
}
}
catch(CommonException err)
{ if(massErr==NULL)
{
#pragma omp critical
massErr = new CommonException(err);
}
}
catch(...)
{ cout << "Unknown exception in MassAndMomentumTask()" << endl;
}
}
// throw now - only possible error if too many CPDI nodes in 3D
if(massErr!=NULL) throw *massErr;
// reduction of ghost node forces to real nodes
int totalPatches = fmobj->GetTotalNumberOfPatches();
if(totalPatches>1)
{ for(int pn=0;pn<totalPatches;pn++)
patches[pn]->MassAndMomentumReduction();
}
#pragma mark ... RIGID BOUNDARY CONDITIONS
// undo dynamic velocity, temp, and conc BCs from rigid materials
// and get pointer to first empty one in reuseRigid...BC
UnsetRigidBCs((BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,
(BoundaryCondition **)&firstRigidVelocityBC,(BoundaryCondition **)&reuseRigidVelocityBC);
UnsetRigidBCs((BoundaryCondition **)&firstTempBC,(BoundaryCondition **)&lastTempBC,
(BoundaryCondition **)&firstRigidTempBC,(BoundaryCondition **)&reuseRigidTempBC);
UnsetRigidBCs((BoundaryCondition **)&firstConcBC,(BoundaryCondition **)&lastConcBC,
(BoundaryCondition **)&firstRigidConcBC,(BoundaryCondition **)&reuseRigidConcBC);
// For Rigid BC materials create velocity BC on each node in the element
for(int p=nmpmsRC;p<nmpms;p++)
{ MPMBase *mpmptr = mpm[p]; // pointer
int matid0 = mpmptr->MatID();
const MaterialBase *matID = theMaterials[matid0]; // material object for this particle
RigidMaterial *rigid=(RigidMaterial *)matID;
const ElementBase *elref = theElements[mpmptr->ElemID()]; // element containing this particle
int numnds=elref->NumberNodes();
double rvalue;
for(int i=1;i<=numnds;i++)
{ int mi=elref->nodes[i-1]; // 1 based node
// look for setting function in one to three directions
// GetVectorSetting() returns true if function has set the velocity, otherwise it return FALSE
bool hasDir[3];
Vector rvel;
if(rigid->GetVectorSetting(&rvel,hasDir,mtime,&mpmptr->pos))
{ // velocity set by 1 to 3 functions as determined by hasDir[i]
if(hasDir[0])
{ mpmptr->vel.x = rvel.x;
SetRigidBCs(mi,matid0,X_DIRECTION,rvel.x,0.,rigid->mirrored,
(BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,
(BoundaryCondition **)&firstRigidVelocityBC,(BoundaryCondition **)&reuseRigidVelocityBC);
}
if(hasDir[1])
{ mpmptr->vel.y = rvel.y;
SetRigidBCs(mi,matid0,Y_DIRECTION,rvel.y,0.,rigid->mirrored,
(BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,
(BoundaryCondition **)&firstRigidVelocityBC,(BoundaryCondition **)&reuseRigidVelocityBC);
}
if(hasDir[2])
{ mpmptr->vel.z = rvel.z;
SetRigidBCs(mi,matid0,Z_DIRECTION,rvel.z,0.,rigid->mirrored,
(BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,
(BoundaryCondition **)&firstRigidVelocityBC,(BoundaryCondition **)&reuseRigidVelocityBC);
}
}
else
{ // velocity set by particle velocity in selected directions
if(rigid->RigidDirection(X_DIRECTION))
{ SetRigidBCs(mi,matid0,X_DIRECTION,mpmptr->vel.x,0.,rigid->mirrored,
(BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,
(BoundaryCondition **)&firstRigidVelocityBC,(BoundaryCondition **)&reuseRigidVelocityBC);
}
if(rigid->RigidDirection(Y_DIRECTION))
{ SetRigidBCs(mi,matid0,Y_DIRECTION,mpmptr->vel.y,0.,rigid->mirrored,
(BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,
(BoundaryCondition **)&firstRigidVelocityBC,(BoundaryCondition **)&reuseRigidVelocityBC);
}
if(rigid->RigidDirection(Z_DIRECTION))
{ SetRigidBCs(mi,matid0,Z_DIRECTION,mpmptr->vel.z,0.,rigid->mirrored,
(BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,
(BoundaryCondition **)&firstRigidVelocityBC,(BoundaryCondition **)&reuseRigidVelocityBC);
}
}
// temperature
if(rigid->RigidTemperature())
{ if(rigid->GetValueSetting(&rvalue,mtime,&mpmptr->pos)) mpmptr->pTemperature=rvalue;
SetRigidBCs(mi,matid0,TEMP_DIRECTION,mpmptr->pTemperature,0.,0,
(BoundaryCondition **)&firstTempBC,(BoundaryCondition **)&lastTempBC,
(BoundaryCondition **)&firstRigidTempBC,(BoundaryCondition **)&reuseRigidTempBC);
}
// concentration
if(rigid->RigidConcentration())
{ if(rigid->GetValueSetting(&rvalue,mtime,&mpmptr->pos)) mpmptr->pConcentration=rvalue;
SetRigidBCs(mi,matid0,CONC_DIRECTION,mpmptr->pConcentration,0.,0,
(BoundaryCondition **)&firstConcBC,(BoundaryCondition **)&lastConcBC,
(BoundaryCondition **)&firstRigidConcBC,(BoundaryCondition **)&reuseRigidConcBC);
}
}
}
// if any left over rigid BCs, delete them now
RemoveRigidBCs((BoundaryCondition **)&firstVelocityBC,(BoundaryCondition **)&lastVelocityBC,(BoundaryCondition **)&firstRigidVelocityBC);
RemoveRigidBCs((BoundaryCondition **)&firstTempBC,(BoundaryCondition **)&lastTempBC,(BoundaryCondition **)&firstRigidTempBC);
RemoveRigidBCs((BoundaryCondition **)&firstConcBC,(BoundaryCondition **)&lastConcBC,(BoundaryCondition **)&firstRigidConcBC);
#ifdef COMBINE_RIGID_MATERIALS
bool combineRigid = firstCrack!=NULL && fmobj->multiMaterialMode && fmobj->hasRigidContactParticles;
#endif
#pragma mark ... POST EXTRAPOLATION TASKS
// Post mass and momentum extrapolation calculations on nodes
#pragma omp parallel
{
// variables for each thread
CrackNode *firstCrackNode=NULL,*lastCrackNode=NULL;
MaterialInterfaceNode *firstInterfaceNode=NULL,*lastInterfaceNode=NULL;
// Each pass in this loop should be independent
#pragma omp for nowait
for(int i=1;i<=nnodes;i++)
{ // node reference
NodalPoint *ndptr = nd[i];
try
{
#ifdef COMBINE_RIGID_MATERIALS
// combine rigid fields if necessary
if(combineRigid)
ndptr->CopyRigidParticleField();
#endif
// Get total nodal masses and count materials if multimaterial mode
ndptr->CalcTotalMassAndCount();
// multimaterial contact
if(fmobj->multiMaterialMode)
ndptr->MaterialContactOnNode(timestep,MASS_MOMENTUM_CALL,&firstInterfaceNode,&lastInterfaceNode);
// crack contact
if(firstCrack!=NULL)
ndptr->CrackContact(FALSE,0.,&firstCrackNode,&lastCrackNode);
// get transport values on nodes
TransportTask *nextTransport=transportTasks;
while(nextTransport!=NULL)
nextTransport = nextTransport->GetNodalValue(ndptr);
}
catch(CommonException err)
{ if(massErr==NULL)
{
#pragma omp critical
massErr = new CommonException(err);
}
}
}
#pragma omp critical
{
// link up crack nodes
if(lastCrackNode != NULL)
{ if(CrackNode::currentCNode != NULL)
firstCrackNode->SetPrevBC(CrackNode::currentCNode);
CrackNode::currentCNode = lastCrackNode;
}
// link up interface nodes
if(lastInterfaceNode != NULL)
{ if(MaterialInterfaceNode::currentIntNode != NULL)
firstInterfaceNode->SetPrevBC(MaterialInterfaceNode::currentIntNode);
MaterialInterfaceNode::currentIntNode = lastInterfaceNode;
}
}
}
// throw any errors
if(massErr!=NULL) throw *massErr;
#pragma mark ... IMPOSE BOUNDARY CONDITIONS
// Impose transport BCs and extrapolate gradients to the particles
TransportTask *nextTransport=transportTasks;
while(nextTransport!=NULL)
{ nextTransport->ImposeValueBCs(mtime);
nextTransport = nextTransport->GetGradients(mtime);
}
// locate BCs with reflected nodes
if(firstRigidVelocityBC!=NULL)
{ NodalVelBC *nextBC=firstRigidVelocityBC;
double mstime=1000.*mtime;
//cout << "# Find Reflected Nodes" << endl;
while(nextBC!=NULL)
nextBC = nextBC->SetMirroredVelBC(mstime);
}
// used to call class methods for material contact and crack contact here
// Impose velocity BCs
NodalVelBC::GridMomentumConditions(TRUE);
}
// Get mass matrix, find dimensionless particle locations,
// and find grid momenta
// throws CommonException()
void PostExtrapolationTask::Execute(void)
{
CommonException *massErr = NULL;
bool combineRigid = firstCrack!=NULL && fmobj->multiMaterialMode && fmobj->hasRigidContactParticles;
// Post mass and momentum extrapolation calculations on nodes
#pragma omp parallel
{
// variables for each thread
CrackNode *firstCrackNode=NULL,*lastCrackNode=NULL;
MaterialInterfaceNode *firstInterfaceNode=NULL,*lastInterfaceNode=NULL;
// Each pass in this loop should be independent
#pragma omp for nowait
for(int i=1;i<=nnodes;i++)
{ // node reference
NodalPoint *ndptr = nd[i];
try
{ // combine rigid fields if necessary
if(combineRigid)
ndptr->CopyRigidParticleField();
// Get total nodal masses and count materials if multimaterial mode
ndptr->CalcTotalMassAndCount();
// multimaterial contact
if(fmobj->multiMaterialMode)
ndptr->MaterialContactOnNode(timestep,MASS_MOMENTUM_CALL,&firstInterfaceNode,&lastInterfaceNode);
// crack contact
if(firstCrack!=NULL)
ndptr->CrackContact(FALSE,0.,&firstCrackNode,&lastCrackNode);
// get transport values on nodes
TransportTask *nextTransport=transportTasks;
while(nextTransport!=NULL)
nextTransport = nextTransport->GetNodalValue(ndptr);
}
catch(std::bad_alloc&)
{ if(massErr==NULL)
{
#pragma omp critical (error)
massErr = new CommonException("Memory error","PostExtrapolationTask::Execute");
}
}
catch(...)
{ if(massErr==NULL)
{
#pragma omp critical (error)
massErr = new CommonException("Unexpected error","PostExtrapolationTask::Execute");
}
}
}
#pragma omp critical (linknodes)
{
// link up crack nodes
if(lastCrackNode != NULL)
{ if(CrackNode::currentCNode != NULL)
firstCrackNode->SetPrevBC(CrackNode::currentCNode);
CrackNode::currentCNode = lastCrackNode;
}
// link up interface nodes
if(lastInterfaceNode != NULL)
{ if(MaterialInterfaceNode::currentIntNode != NULL)
firstInterfaceNode->SetPrevBC(MaterialInterfaceNode::currentIntNode);
MaterialInterfaceNode::currentIntNode = lastInterfaceNode;
}
}
}
// throw any errors
if(massErr!=NULL) throw *massErr;
#pragma mark ... IMPOSE BOUNDARY CONDITIONS
// Impose transport BCs and extrapolate gradients to the particles
TransportTask *nextTransport=transportTasks;
while(nextTransport!=NULL)
{ nextTransport->ImposeValueBCs(mtime);
nextTransport = nextTransport->GetGradients(mtime);
}
// locate BCs with reflected nodes
if(firstRigidVelocityBC!=NULL)
{ NodalVelBC *nextBC=firstRigidVelocityBC;
//cout << "# Find Reflected Nodes" << endl;
while(nextBC!=NULL)
nextBC = nextBC->SetMirroredVelBC(mtime);
}
// used to call class methods for material contact and crack contact here
// Impose velocity BCs
NodalVelBC::GridMomentumConditions(TRUE);
}
