void
EBCoarseAverage::average(LevelData<EBFluxFAB>& a_coarData,
const LevelData<EBFluxFAB>& a_fineData,
const Interval& a_variables)
{
CH_TIME("EBCoarseAverage::average(LD<EBFluxFAB>)");
LevelData<EBFluxFAB> coarFiData;
LevelData<EBFluxFAB> fineBuffer;
CH_assert(isDefined());
{
CH_TIME("buffer allocation");
EBFluxFactory factCoFi(m_eblgCoFi.getEBISL());
coarFiData.define( m_eblgCoFi.getDBL(), m_nComp, IntVect::Zero, factCoFi);
if (m_useFineBuffer)
{
EBFluxFactory factFine(m_eblgFine.getEBISL());
fineBuffer.define(m_eblgFine.getDBL(), m_nComp, IntVect::Zero, factFine);
}
}
if (m_useFineBuffer)
{
CH_TIME("fine_copy");
a_fineData.copyTo(a_variables, fineBuffer, a_variables);
}
{
CH_TIME("averaging");
for (DataIterator dit = m_eblgFine.getDBL().dataIterator(); dit.ok(); ++dit)
{
const EBFluxFAB* fineFABPtr = NULL;
if (m_useFineBuffer)
{
fineFABPtr = &fineBuffer[dit()];
}
else
{
fineFABPtr = &a_fineData[dit()];
}
EBFluxFAB& cofiFAB = coarFiData[dit()];
const EBFluxFAB& fineFAB = *fineFABPtr;
for (int idir = 0; idir < SpaceDim; idir++)
{
averageFAB(cofiFAB[idir],
fineFAB[idir],
dit(),
a_variables,
idir);
}
}
}
{
CH_TIME("copy_coar");
coarFiData.copyTo(a_variables, a_coarData, a_variables);
}
}
void
EBCoarseAverage::average(LevelData<BaseIVFAB<Real> >& a_coarData,
const LevelData<BaseIVFAB<Real> >& a_fineData,
const Interval& a_variables)
{
CH_TIME("EBCoarseAverage::average(LD<BaseIVFAB>)");
LevelData<BaseIVFAB<Real> > coarFiData;
LevelData<BaseIVFAB<Real> > fineBuffer;
CH_assert(isDefined());
{
CH_TIME("buffer allocation");
BaseIVFactory<Real> factCoFi(m_eblgCoFi.getEBISL(), m_irregSetsCoFi);
coarFiData.define(m_eblgCoFi.getDBL(), m_nComp, IntVect::Zero, factCoFi);
if (m_useFineBuffer)
{
BaseIVFactory<Real> factFine(m_eblgFine.getEBISL(), m_irregSetsFine);
coarFiData.define(m_eblgFine.getDBL(), m_nComp, IntVect::Zero, factFine);
}
}
if (m_useFineBuffer)
{
CH_TIME("fine_copy");
a_fineData.copyTo(a_variables, fineBuffer, a_variables);
}
{
CH_TIME("averaging");
int ifnerg = 0;
for (DataIterator dit = m_eblgFine.getDBL().dataIterator(); dit.ok(); ++dit)
{
const BaseIVFAB<Real>* fineFABPtr = NULL;
if (m_useFineBuffer)
{
fineFABPtr = &fineBuffer[dit()];
}
else
{
fineFABPtr = &a_fineData[dit()];
}
BaseIVFAB<Real>& cofiFAB = coarFiData[dit()];
const BaseIVFAB<Real>& fineFAB = *fineFABPtr;
averageFAB(cofiFAB,
fineFAB,
dit(),
a_variables);
ifnerg++;
}
}
{
CH_TIME("copy_coar");
coarFiData.copyTo(a_variables, a_coarData, a_variables);
}
}
void
EBCoarseAverage::average(LevelData<EBCellFAB>& a_coarData,
const LevelData<EBCellFAB>& a_fineData,
const Interval& a_variables)
{
CH_TIME("EBCoarseAverage::average(LD<EBCellFAB>)");
LevelData<EBCellFAB> coarFiData;
LevelData<EBCellFAB> fineBuffer;
CH_assert(isDefined());
{
CH_TIME("buffer allocation");
EBCellFactory factCoFi(m_eblgCoFi.getEBISL());
coarFiData.define( m_eblgCoFi.getDBL(), m_nComp, IntVect::Zero, factCoFi);
if (m_useFineBuffer)
{
EBCellFactory factFine(m_eblgFine.getEBISL());
fineBuffer.define(m_eblgFine.getDBL(), m_nComp, IntVect::Zero, factFine);
}
}
if (m_useFineBuffer)
{
CH_TIME("copy_fine");
a_fineData.copyTo(a_variables, fineBuffer, a_variables);
}
{
CH_TIME("averaging");
for (DataIterator dit = m_eblgFine.getDBL().dataIterator(); dit.ok(); ++dit)
{
const EBCellFAB* fineFAB = NULL;
if (m_useFineBuffer)
{
fineFAB = &fineBuffer[dit()];
}
else
{
fineFAB = &a_fineData[dit()];
}
averageFAB(coarFiData[dit()],
*fineFAB,
dit(),
a_variables);
}
}
{
CH_TIME("copy_coar");
coarFiData.copyTo(a_variables, a_coarData, a_variables);
}
}
void
EBCoarToFineRedist::
resetWeights(const LevelData<EBCellFAB>& a_modifierCoar,
const int& a_ivar)
{
CH_TIME("EBCoarToFineRedist::resetWeights");
Interval srcInterv(a_ivar, a_ivar);
Interval dstInterv(0,0);
a_modifierCoar.copyTo(srcInterv, m_densityCedFine, dstInterv);
//set the weights to mass weighting if the modifier
//is the fine density.
for (DataIterator dit = m_gridsFine.dataIterator(); dit.ok(); ++dit)
{
const IntVectSet& coarSet = m_setsCedFine[dit()];
BaseIVFAB<VoFStencil>& massStenFAB = m_stenCedFine[dit()];
const BaseIVFAB<VoFStencil>& volStenFAB = m_volumeStenc[dit()];
const BaseIVFAB<VoFStencil>& stanStenFAB = m_standardStenc[dit()];
const EBISBox& ebisBoxCoar = m_ebislCedFine[dit()];
const EBCellFAB& modFAB = m_densityCedFine[dit()];
for (VoFIterator vofit(coarSet, ebisBoxCoar.getEBGraph()); vofit.ok(); ++vofit)
{
const VolIndex& vofCoar = vofit();
const VoFStencil& stanSten = stanStenFAB(vofCoar, 0);
const VoFStencil& volSten = volStenFAB(vofCoar, 0);
VoFStencil newSten;
for (int isten = 0; isten < volSten.size(); isten++)
{
const VolIndex& thatVoFCoar = volSten.vof(isten);
Real weight = modFAB(thatVoFCoar, 0);
//average fine weights onto coarse weight
newSten.add(thatVoFCoar, weight);
}
//need normalize by the whole standard stencil
Real sum = 0.0;
for (int isten = 0; isten < stanSten.size(); isten++)
{
const VolIndex& thatVoFCoar = stanSten.vof(isten);
Real weight = modFAB(thatVoFCoar, 0);
Real volfrac = ebisBoxCoar.volFrac(thatVoFCoar);
//it is weight*volfrac that is normalized
sum += weight*volfrac;
}
if (Abs(sum) > 0.0)
{
Real scaling = 1.0/sum;
newSten *= scaling;
}
massStenFAB(vofCoar, 0) = newSten;
}
}
}
void
EBMGInterp::pwlInterp(LevelData<EBCellFAB>& a_fineData,
const LevelData<EBCellFAB>& a_coarData,
const Interval& a_variables)
{
CH_TIME("EBMGInterp::pwlInterp");
CH_assert(a_fineData.ghostVect() == m_ghost);
CH_assert(a_coarData.ghostVect() == m_ghost);
CH_assert(m_doLinear); //otherwise stencils have not been defined
if (m_layoutChanged)
{
if (m_coarsenable)
{
CH_TIME("EBMGInterp::pwlInterp::coarsenable");
EBCellFactory ebcellfact(m_buffEBISL);
LevelData<EBCellFAB> coarsenedFineData(m_buffGrids, m_nComp, m_ghost, ebcellfact);
a_coarData.copyTo(a_variables, coarsenedFineData, a_variables);
fillGhostCellsPWC(coarsenedFineData, m_buffEBISL, m_coarDomain);
for (DataIterator dit = m_fineGrids.dataIterator(); dit.ok(); ++dit)
{
//does incrementonly = true
pwlInterpFAB(a_fineData[dit()],
m_buffGrids[dit()],
coarsenedFineData[dit()],
dit(),
a_variables);
}
}
else
{
CH_TIME("EBMGInterp::pwlInterp::uncoarsenable");
EBCellFactory ebcellfact(m_buffEBISL);
fillGhostCellsPWC((LevelData<EBCellFAB>&)a_coarData, m_coarEBISL, m_coarDomain);
LevelData<EBCellFAB> refinedCoarseData(m_buffGrids, m_nComp, m_ghost, ebcellfact);
for (DataIterator dit = m_coarGrids.dataIterator(); dit.ok(); ++dit)
{
refinedCoarseData[dit()].setVal(0.);
pwlInterpFAB(refinedCoarseData[dit()],
m_coarGrids[dit()],
a_coarData[dit()],
dit(),
a_variables);
}
EBAddOp op;
refinedCoarseData.copyTo(a_variables, a_fineData, a_variables, m_copierRCtoF, op);
}
}
else
{
pwcInterpMG(a_fineData, a_coarData, a_variables);
}
}
void TimeInterpolatorRK4::saveRHS(const LevelData<FArrayBox>& a_rhs)
{
CH_assert(m_defined);
CH_assert(m_gotDt);
CH_assert(m_gotInitialSoln);
CH_assert(!m_gotFullTaylorPoly);
CH_assert(m_countRHS >= 0);
CH_assert(m_countRHS < 4);
CH_assert(a_rhs.nComp() == m_numStates);
// a_rhs is on the coarse layout;
// m_rhsCopy is on the coarsened fine layout.
a_rhs.copyTo(m_rhsCopy, m_copier);
DataIterator dit = m_rhsCopy.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
const FArrayBox& rhsCopyFab = m_rhsCopy[dit];
FArrayBox& taylorFab = m_taylorCoeffs[dit];
for (int ind = 0; ind < m_numCoeffs; ind++)
{
Real multFactor = m_coeffs[ind][m_countRHS];
if (multFactor != 0.)
{
taylorFab.plus(rhsCopyFab,
multFactor, // multiply rhsCopyFab by this
0, // start rhsCopyFab component
ind * m_numStates, // start taylorFab component
m_numStates); // number of components
}
}
// These are for getting to RK4 intermediates:
// diff12 = m_dt * (rhs[2] - rhs[1])
if (m_countRHS == 1)
{
FArrayBox& diff12Fab = m_diff12[dit];
diff12Fab.copy(rhsCopyFab);
}
if (m_countRHS == 2)
{
FArrayBox& diff12Fab = m_diff12[dit];
diff12Fab -= rhsCopyFab;
diff12Fab *= -m_dt;
}
}
m_countRHS++;
if (m_countRHS == 4)
{
m_taylorCoeffs.exchange();
m_gotFullTaylorPoly = true;
}
}
//-----------------------------------------------------------------------
void
EBConsBackwardEulerIntegrator::
computeDiffusion(LevelData<EBCellFAB>& a_diffusionTerm,
const LevelData<EBCellFAB>& a_oldTemperature,
Real a_specificHeat,
const LevelData<EBCellFAB>& a_oldDensity,
const LevelData<EBCellFAB>& a_newDensity,
const LevelData<EBCellFAB>& a_source,
Real a_time,
Real a_timeStep,
bool a_zeroTemp)
{
// Allocate storage for the new temperature.
LevelData<EBCellFAB> newTemp;
EBCellFactory fact(m_eblg.getEBISL());
newTemp.define(m_eblg.getDBL(), 1, 4*IntVect::Unit, fact);
EBLevelDataOps::setVal(newTemp, 0.0);
// n+1
// Compute T.
updateSolution(newTemp, a_oldTemperature, a_specificHeat, a_oldDensity,
a_newDensity, a_source, a_time, a_timeStep, a_zeroTemp);
// n+1 n
// ([rho Cv T] - [rho Cv T] )
// ----------------------------- - a_source -> a_diffusionTerm.
// dt
a_oldTemperature.copyTo(a_diffusionTerm);
for (DataIterator dit = m_eblg.getDBL().dataIterator(); dit.ok(); ++dit)
{
EBCellFAB& diff = a_diffusionTerm[dit()];
// n
// [rho Cv T] -> diff
diff *= a_oldDensity[dit()];
diff *= a_specificHeat;
// n+1
// [rho Cv T] -> newRhoCvT
EBCellFAB& newRhoCvT = newTemp[dit()];
newRhoCvT *= a_newDensity[dit()];
newRhoCvT *= a_specificHeat;
// Subtract newRhoCvT from diff, and divide by -dt.
diff -= newRhoCvT;
diff /= -a_timeStep;
// Subtract off the source.
diff -= a_source[dit()];
}
}
// ---------------------------------------------------------
// interpolate from coarse level to fine level
void
NodeMGInterp::interpToFine(LevelData<NodeFArrayBox>& a_fine,
const LevelData<NodeFArrayBox>& a_coarse,
bool a_sameGrids) // a_sameGrids default false
{
CH_assert(is_defined);
const int nComp = a_fine.nComp();
CH_assert(a_coarse.nComp() == nComp);
// Copy a_coarse to m_coarsenedFine on grids of m_coarsenedFine.
// petermc, 15 Nov 2002:
// You don't need a Copier for this copyTo, because
// the grid layout of the destination, m_coarsenedFine,
// will be contained in that of the source, a_coarse.
if (! a_sameGrids)
{
a_coarse.copyTo(a_coarse.interval(),
m_coarsenedFine,
m_coarsenedFine.interval() );
}
for (DataIterator dit = m_grids.dataIterator(); dit.ok(); ++dit)
{
Box fineBox = m_grids.get(dit());
Box crseBox = coarsen(fineBox, m_refRatio);
const FArrayBox& crseFab = (a_sameGrids) ?
a_coarse[dit()].getFab() : m_coarsenedFine[dit()].getFab();
FArrayBox& fineFab = a_fine[dit()].getFab();
FORT_NODEINTERPMG(CHF_FRA(fineFab),
CHF_CONST_FRA(crseFab),
CHF_BOX(crseBox),
CHF_CONST_INT(m_refRatio),
CHF_BOX(m_boxRef),
CHF_FRA(m_weights));
// dummy statement in order to get around gdb bug
int dummy_unused = 0; dummy_unused = 0;
}
}
void TimeInterpolatorRK4::saveInitialSoln(const LevelData<FArrayBox>& a_soln)
{
CH_assert(m_defined);
CH_assert(m_gotDt);
CH_assert(!m_gotInitialSoln);
CH_assert(a_soln.nComp() == m_numStates);
// First zero out taylorFab.
DataIterator dit = m_taylorCoeffs.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
FArrayBox& taylorFab = m_taylorCoeffs[dit];
taylorFab.setVal(0.);
}
// a_soln is on the coarse layout;
// m_taylorCoeffs is on the coarsened fine layout.
// Copy from a_soln to first m_numStates components of m_taylorCoeffs.
const Interval& srcInt = a_soln.interval();
a_soln.copyTo(srcInt, m_taylorCoeffs, srcInt, m_copier);
m_gotInitialSoln = true;
}
void
EBLevelAdvect::
advectToFacesBCG(LevelData< EBFluxFAB >& a_extrapState,
const LevelData< EBCellFAB >& a_consState,
const LevelData< EBCellFAB >& a_normalVel,
const LevelData< EBFluxFAB >& a_advectionVel,
const LevelData< EBCellFAB >* a_consStateCoarseOld,
const LevelData< EBCellFAB >* a_consStateCoarseNew,
const LevelData< EBCellFAB >* a_normalVelCoarseOld,
const LevelData< EBCellFAB >* a_normalVelCoarseNew,
const Real& a_timeCoarseOld,
const Real& a_timeCoarseNew,
const Real& a_timeFine,
const Real& a_dt,
const LevelData<EBCellFAB>* const a_source,
const LevelData<EBCellFAB>* const a_sourceCoarOld,
const LevelData<EBCellFAB>* const a_sourceCoarNew)
{
CH_TIME("EBLevelAdvect::advectToFacesBCG (level)");
CH_assert(isDefined());
//create temp data with the correct number of ghost cells
IntVect ivGhost = m_nGhost*IntVect::Unit;
Interval consInterv(0, m_nVar-1);
Interval intervSD(0, SpaceDim-1);
// LevelData<EBCellFAB>& consTemp = (LevelData<EBCellFAB>&) a_consState;
// LevelData<EBCellFAB>& veloTemp = (LevelData<EBCellFAB>&) a_normalVel;
EBCellFactory factory(m_thisEBISL);
LevelData<EBCellFAB> consTemp(m_thisGrids, m_nVar, ivGhost, factory);
LevelData<EBCellFAB> veloTemp(m_thisGrids, SpaceDim, ivGhost, factory);
for (DataIterator dit = m_thisGrids.dataIterator(); dit.ok(); ++dit)
{
consTemp[dit()].setVal(0.);
}
a_consState.copyTo(consInterv, consTemp, consInterv);
a_normalVel.copyTo(intervSD, veloTemp, intervSD);
// Fill ghost cells using fillInterp, and copyTo.
if (m_hasCoarser)
{
CH_TIME("fillPatch");
m_fillPatch.interpolate(consTemp,
*a_consStateCoarseOld,
*a_consStateCoarseNew,
a_timeCoarseOld,
a_timeCoarseNew,
a_timeFine,
consInterv);
m_fillPatchVel.interpolate(veloTemp,
*a_normalVelCoarseOld,
*a_normalVelCoarseNew,
a_timeCoarseOld,
a_timeCoarseNew,
a_timeFine,
intervSD);
}
// Exchange all the data between grids
{
CH_TIME("initial_exchange");
consTemp.exchange(consInterv);
veloTemp.exchange(intervSD);
}
LevelData<EBCellFAB>* srcTmpPtr = NULL;
if (a_source != NULL)
{
// srcTmpPtr = (LevelData<EBCellFAB>*) a_source;
srcTmpPtr = new LevelData<EBCellFAB>(m_thisGrids, m_nVar, ivGhost, factory);
for (DataIterator dit = m_thisGrids.dataIterator(); dit.ok(); ++dit)
{
(*srcTmpPtr)[dit()].setVal(0.);
}
a_source->copyTo(consInterv, *srcTmpPtr, consInterv);
if ( (a_sourceCoarOld != NULL) &&
(a_sourceCoarNew != NULL) &&
(m_hasCoarser) )
{
CH_TIME("fillPatch");
m_fillPatch.interpolate(*srcTmpPtr,
*a_sourceCoarOld,
*a_sourceCoarNew,
a_timeCoarseOld,
a_timeCoarseNew,
a_timeFine,
consInterv);
{
CH_TIME("initial_exchange");
srcTmpPtr->exchange(consInterv);
}
}
}
{
CH_TIME("advectToFaces");
int ibox = 0;
for (DataIterator dit = m_thisGrids.dataIterator(); dit.ok(); ++dit)
{
const Box& cellBox = m_thisGrids.get(dit());
const EBISBox& ebisBox = m_thisEBISL[dit()];
if (!ebisBox.isAllCovered())
{
//the viscous term goes into here
EBCellFAB dummy;
EBCellFAB* srcPtr = &dummy;
if (srcTmpPtr != NULL)
{
srcPtr = (EBCellFAB*)(&((*srcTmpPtr)[dit()]));
}
const EBCellFAB& source = *srcPtr;
//unused in this case
BaseIVFAB<Real> boundaryPrim;
bool doBoundaryPrim = false;
EBFluxFAB& extrapFAB = a_extrapState[dit()];
advectToFacesBCG(extrapFAB,
boundaryPrim,
consTemp[dit()],
veloTemp[dit()],
a_advectionVel[dit()],
cellBox,
ebisBox,
a_dt,
a_timeFine,
source,
dit(),
doBoundaryPrim);
ibox++;
}
}
}
if (srcTmpPtr != NULL)
{
delete srcTmpPtr;
}
}
// Advance the solution by "a_dt" by using an unsplit method.
// "a_finerFluxRegister" is the flux register with the next finer level.
// "a_coarseFluxRegister" is flux register with the next coarser level.
// If source terms do not exist, "a_S" should be null constructed and not
// defined (i.e. its define() should not be called).
Real OldLevelGodunov::step(LevelData<FArrayBox>& a_U,
LevelData<FArrayBox> a_flux[CH_SPACEDIM],
LevelFluxRegister& a_finerFluxRegister,
LevelFluxRegister& a_coarserFluxRegister,
const LevelData<FArrayBox>& a_S,
const LevelData<FArrayBox>& a_UCoarseOld,
const Real& a_TCoarseOld,
const LevelData<FArrayBox>& a_UCoarseNew,
const Real& a_TCoarseNew,
const Real& a_time,
const Real& a_dt)
{
// Make sure everything is defined
CH_assert(m_defined);
// Clear flux registers with next finer level
if (m_hasFiner)
{
a_finerFluxRegister.setToZero();
}
// Setup an interval corresponding to the conserved variables
Interval UInterval(0,m_numCons-1);
// Create temporary storage with a layer of "m_numGhost" ghost cells
IntVect ivGhost = m_numGhost*IntVect::Unit;
LevelData<FArrayBox> U(m_grids,m_numCons,ivGhost);
for (DataIterator dit = U.dataIterator(); dit.ok(); ++dit)
{
U[dit()].setVal(0.);
}
// Copy the current conserved variables into the temporary storage
a_U.copyTo(UInterval,U,UInterval);
// Fill U's ghost cells using fillInterp
if (m_hasCoarser)
{
// Truncate the fraction to the range [0,1] to remove floating-point
// subtraction roundoff effects
Real eps = 0.04 * a_dt / m_refineCoarse;
// check for current time too far outside the coarse time range
if ( a_time+eps < a_TCoarseOld || a_time-eps > a_TCoarseNew )
{
pout() << "error: OldLevelGodunov::step: a_time [" << a_time
<< "] is outside the old,new range of coarse level times ["
<< a_TCoarseOld << "," << a_TCoarseNew << "]" << endl ;
MayDay::Error( "OldLevelGodunov::step: new time is outside acceptable range" );
}
// if just a little outside the range (e.g. roundoff errors), just fix it
Real curtime = a_time ;
if ( a_time < a_TCoarseOld ) curtime = a_TCoarseOld ;
if ( a_time > a_TCoarseNew ) curtime = a_TCoarseNew ;
// "time" falls in the range of the old and the new coarse times
Real alpha = (curtime - a_TCoarseOld) / (a_TCoarseNew - a_TCoarseOld);
// Interpolate ghost cells from next coarser level using both space
// and time interpolation
m_patcher.fillInterp(U,
a_UCoarseOld,
a_UCoarseNew,
alpha,
0,0,m_numCons);
}
// Exchange all the data between grids at this level
// I don't think this is necessary
//U.exchange(UInterval);
// Potentially used in boundary conditions
m_patchGodunov->setCurrentTime(a_time);
// Dummy source used if source term passed in is empty
FArrayBox zeroSource;
// Use to restrict maximum wave speed away from zero
Real maxWaveSpeed = 1.0e-12;
// Beginning of loop through patches/grids.
for (DataIterator dit = m_grids.dataIterator(); dit.ok(); ++dit)
{
// The current box
Box curBox = m_grids.get(dit());
// The current grid of conserved variables
FArrayBox& curU = U[dit()];
// The current source terms if they exist
const FArrayBox* source = &zeroSource;
if (a_S.isDefined())
{
source = &a_S[dit()];
}
// The fluxes computed for this grid - used for refluxing and returning
// other face centered quantities
FArrayBox flux[SpaceDim];
// Set the current box for the patch integrator
m_patchGodunov->setCurrentBox(curBox);
Real maxWaveSpeedGrid;
// Update the current grid's conserved variables, return the final
// fluxes used for this, and the maximum wave speed for this grid
m_patchGodunov->updateState(curU,
flux,
maxWaveSpeedGrid,
*source,
a_dt,
curBox);
// Clamp away from zero
maxWaveSpeed = Max(maxWaveSpeed,maxWaveSpeedGrid);
// Do flux register updates
for (int idir = 0; idir < SpaceDim; idir++)
{
// Increment coarse flux register between this level and the next
// finer level - this level is the next coarser level with respect
// to the next finer level
if (m_hasFiner)
{
a_finerFluxRegister.incrementCoarse(flux[idir],a_dt,dit(),
UInterval,
UInterval,idir);
}
// Increment fine flux registers between this level and the next
// coarser level - this level is the next finer level with respect
// to the next coarser level
if (m_hasCoarser)
{
a_coarserFluxRegister.incrementFine(flux[idir],a_dt,dit(),
UInterval,
UInterval,idir,Side::Lo);
a_coarserFluxRegister.incrementFine(flux[idir],a_dt,dit(),
UInterval,
UInterval,idir,Side::Hi);
}
}
}
// Now that we have completed the updates of all the patches, we copy the
// contents of temporary storage, U, into the permanent storage, a_U.
// U.copyTo(UInterval,a_U,UInterval);
for (DataIterator dit = U.dataIterator(); dit.ok(); ++dit)
{
a_U[dit()].copy(U[dit()]);
}
// Find the minimum of dt's over this level
Real local_dtNew = m_dx / maxWaveSpeed;
Real dtNew;
#ifdef CH_MPI
int result = MPI_Allreduce(&local_dtNew, &dtNew, 1, MPI_CH_REAL,
MPI_MIN, Chombo_MPI::comm);
if (result != MPI_SUCCESS)
{
MayDay::Error("sorry, but I had a communcation error on new dt");
}
#else
dtNew = local_dtNew;
#endif
// Return the maximum stable time step
return dtNew;
}
void
EBMGAverage::average(LevelData<EBCellFAB>& a_coarData,
const LevelData<EBCellFAB>& a_fineData,
const Interval& a_variables)
{
CH_TIMERS("EBMGAverage::average");
CH_TIMER("layout_changed_coarsenable", t1);
CH_TIMER("layout_changed_not_coarsenable", t2);
CH_TIMER("not_layout_changed", t3);
CH_assert(a_fineData.ghostVect() == m_ghost);
//CH_assert(a_coarData.ghostVect() == m_ghost);
CH_assert(isDefined());
if (m_layoutChanged)
{
if (m_coarsenable)
{
CH_START(t1);
EBCellFactory ebcellfact(m_buffEBISL);
LevelData<EBCellFAB> coarsenedFineData(m_buffGrids, m_nComp, m_ghost, ebcellfact);
EBLevelDataOps::setVal(coarsenedFineData, 0.0);
for (DataIterator dit = m_fineGrids.dataIterator(); dit.ok(); ++dit)
{
averageFAB(coarsenedFineData[dit()],
m_buffGrids[dit()],
a_fineData[dit()],
dit(),
a_variables);
}
coarsenedFineData.copyTo(a_variables, a_coarData, a_variables, m_copier);
CH_STOP(t1);
}
else
{
CH_START(t2);
EBCellFactory ebcellfact(m_buffEBISL);
LevelData<EBCellFAB> refinedCoarseData(m_buffGrids, m_nComp, m_ghost, ebcellfact);
EBLevelDataOps::setVal(refinedCoarseData, 0.0);
a_fineData.copyTo(a_variables, refinedCoarseData, a_variables, m_copier);
for (DataIterator dit = m_coarGrids.dataIterator(); dit.ok(); ++dit)
{
averageFAB(a_coarData[dit()],
m_coarGrids[dit()],
refinedCoarseData[dit()],
dit(),
a_variables);
}
CH_STOP(t2);
}
}
else
{
CH_START(t3);
averageMG(a_coarData, a_fineData, a_variables);
CH_STOP(t3);
}
}
void
EBFineToCoarRedist::
resetWeights(const LevelData<EBCellFAB>& a_modifierCoar,
const int& a_ivar)
{
CH_TIME("EBFineToCoarRedist::resetWeights");
//set the weights to mass weighting if the modifier
//is the coarse density.
Interval srcInterv(a_ivar, a_ivar);
Interval dstInterv(0,0);
a_modifierCoar.copyTo(srcInterv, m_densityCoar, dstInterv);
for (DataIterator dit = m_gridsCoar.dataIterator(); dit.ok(); ++dit)
{
const IntVectSet& fineSet = m_setsRefCoar[dit()];
BaseIVFAB<VoFStencil>& massStenFAB = m_stenRefCoar[dit()];
const BaseIVFAB<VoFStencil>& volStenFAB = m_volumeStenc[dit()];
const BaseIVFAB<VoFStencil>& stanStenFAB = m_standardStenc[dit()];
const EBISBox& ebisBoxFine = m_ebislRefCoar[dit()];
const EBCellFAB& modFAB = m_densityCoar[dit()];
for (VoFIterator vofit(fineSet, ebisBoxFine.getEBGraph()); vofit.ok(); ++vofit)
{
const VolIndex& vofFine = vofit();
const VoFStencil& oldSten = volStenFAB(vofFine, 0);
const VoFStencil& stanSten = stanStenFAB(vofFine, 0);
VoFStencil newSten;
for (int isten = 0; isten < oldSten.size(); isten++)
{
const VolIndex& thatVoFFine = oldSten.vof(isten);
VolIndex refCoarVoF =
m_ebislRefCoar.coarsen(thatVoFFine, m_refRat, dit());
Real weight = modFAB(refCoarVoF, a_ivar);
//it is weight*volfrac that is normalized
newSten.add(thatVoFFine, weight);
}
//have to normalize using the whole stencil
Real sum = 0.0;
for (int isten = 0; isten < stanSten.size(); isten++)
{
const VolIndex& thatVoFFine = stanSten.vof(isten);
VolIndex refCoarVoF =
m_ebislRefCoar.coarsen(thatVoFFine, m_refRat, dit());
Real weight = modFAB(refCoarVoF, a_ivar);
Real volfrac = ebisBoxFine.volFrac(thatVoFFine);
//it is weight*volfrac that is normalized
sum += weight*volfrac;
}
if (Abs(sum) > 0.0)
{
Real scaling = 1.0/sum;
newSten *= scaling;
}
massStenFAB(vofFine, 0) = newSten;
}
}
}
