// ---------------------------------------------------------
void
AMRNavierStokes::computeLapScal(LevelData<FArrayBox>& a_lapScal,
LevelData<FArrayBox>& a_scal,
const BCHolder& a_physBC,
const LevelData<FArrayBox>* a_crseScalPtr)
{
m_scalarsAMRPoissonOp.setBC(a_physBC);
bool isHomogeneous = false;
if (a_crseScalPtr != NULL)
{
m_scalarsAMRPoissonOp.AMROperatorNF(a_lapScal, a_scal, *a_crseScalPtr,
isHomogeneous);
}
else
{
m_scalarsAMRPoissonOp.applyOpI(a_lapScal, a_scal,
isHomogeneous);
}
BCHolder viscBC = m_physBCPtr->viscousFuncBC();
DataIterator dit = a_lapScal.dataIterator();
const DisjointBoxLayout& grids = a_lapScal.getBoxes();
for (dit.reset(); dit.ok(); ++dit)
{
viscBC(a_lapScal[dit],
grids[dit],
m_problem_domain, m_dx,
false); // not homogeneous
}
// finally, do exchange
a_lapScal.exchange(a_lapScal.interval());
}
// this preconditioner first initializes phihat to (IA)phihat = rhshat
// (diagonization of L -- A is the matrix version of L)
// then smooths with a couple of passes of levelGSRB
void VCAMRPoissonOp2::preCond(LevelData<FArrayBox>& a_phi,
const LevelData<FArrayBox>& a_rhs)
{
CH_TIME("VCAMRPoissonOp2::preCond");
// diagonal term of this operator in:
//
// alpha * a(i)
// + beta * sum_over_dir (b(i-1/2*e_dir) + b(i+1/2*e_dir)) / (dx*dx)
//
// The inverse of this is our initial multiplier.
int ncomp = a_phi.nComp();
CH_assert(m_lambda.isDefined());
CH_assert(a_rhs.nComp() == ncomp);
CH_assert(m_bCoef->nComp() == ncomp);
// Recompute the relaxation coefficient if needed.
resetLambda();
// don't need to use a Copier -- plain copy will do
DataIterator dit = a_phi.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
// also need to average and sum face-centered bCoefs to cell-centers
Box gridBox = a_rhs[dit].box();
// approximate inverse
a_phi[dit].copy(a_rhs[dit]);
a_phi[dit].mult(m_lambda[dit], gridBox, 0, 0, ncomp);
}
relax(a_phi, a_rhs, 2);
}
void
initData(LevelData<FArrayBox>& a_data, const Real a_dx)
{
DataIterator dit = a_data.dataIterator();
const DisjointBoxLayout& interiorBoxes = a_data.getBoxes();
for (dit.begin(); dit.ok(); ++dit)
{
// first set to a bogus value which will persist in ghost cells
// after initialization
a_data[dit()].setVal(1.0e9);
// this will be slow, but who cares?
FArrayBox& localData = a_data[dit()];
BoxIterator boxIt(interiorBoxes[dit()]);
Real localVal;
for (boxIt.begin(); boxIt.ok(); ++boxIt)
{
const IntVect& loc = boxIt();
for (int comp=0; comp<localData.nComp(); comp++)
{
localVal = dataVal(loc, comp);
localData(loc, comp) = localVal;
}
}
}
}
// ---------------------------------------------------------
void levelDivergenceMAC(LevelData<FArrayBox>& a_div,
const LevelData<FluxBox>& a_uEdge,
const Real a_dx)
{
// silly way to do this until i figure out a better
// way to make this dimensionally-independent
CH_assert (a_uEdge.nComp() >= a_div.nComp());
DataIterator dit = a_div.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
a_div[dit()].setVal(0.0);
const FluxBox& thisFluxBox = a_uEdge[dit()];
Box cellBox(thisFluxBox.box());
// just to be sure we don't accidentally trash memory...
cellBox &= a_div[dit()].box();
// now loop over coordinate directions and add to divergence
for (int dir=0; dir<SpaceDim; dir++)
{
const FArrayBox& uEdgeDir = thisFluxBox[dir];
FORT_DIVERGENCE(CHF_CONST_FRA(uEdgeDir),
CHF_FRA(a_div[dit()]),
CHF_BOX(cellBox),
CHF_CONST_REAL(a_dx),
CHF_INT(dir));
}
}
}
/// Set up initial conditions
void SWIBC::initializeBdry(LevelData<FArrayBox>& a_B)
{
const Real tmpVal = 0.0;
const Real tmpVal2 = 100;
for (DataIterator dit = a_B.dataIterator(); dit.ok(); ++dit)
{
// Storage for current grid
FArrayBox& B = a_B[dit()];
// Box of current grid
Box bBox = B.box();
bBox &= m_domain;
// Set up initial condition in this grid
FORT_LINELASTSETFAB(CHF_FRA1(B,4),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,5),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,6),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal2));
}
}
// -----------------------------------------------------------------------------
// Interpolate ghosts at CF interface using zeros on coarser grids.
// -----------------------------------------------------------------------------
void homogeneousCFInterp (LevelData<FArrayBox>& a_phif,
const RealVect& a_fineDx,
const RealVect& a_crseDx,
const CFRegion& a_cfRegion,
const IntVect& a_applyDirs)
{
CH_TIME("homogeneousCFInterp (full level)");
// Loop over grids, directions, and sides and call the worker function.
DataIterator dit = a_phif.dataIterator();
for (dit.begin(); dit.ok(); ++dit) {
if (a_phif[dit].box().isEmpty()) continue;
for (int dir = 0; dir < SpaceDim; ++dir) {
if (a_applyDirs[dir] == 0) continue;
SideIterator sit;
for (sit.begin(); sit.ok(); sit.next()) {
homogeneousCFInterp(a_phif,
dit(),
dir,
sit(),
a_fineDx[dir],
a_crseDx[dir],
a_cfRegion);
}
}
}
}
// ---------------------------------------------------------
void
AMRNavierStokes::computeLapVel(LevelData<FArrayBox>& a_lapVel,
LevelData<FArrayBox>& a_vel,
const LevelData<FArrayBox>* a_crseVelPtr)
{
// set BC's
VelBCHolder velBC(m_physBCPtr->viscousVelFuncBC());
bool isHomogeneous = false;
m_velocityAMRPoissonOp.applyOp(a_lapVel, a_vel, a_crseVelPtr,
isHomogeneous, velBC);
// may need to extend lapVel to cover ghost cells as well
{
BCHolder viscBC = m_physBCPtr->viscousFuncBC();
const DisjointBoxLayout& grids = a_lapVel.getBoxes();
DataIterator dit = a_lapVel.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
viscBC(a_lapVel[dit], grids[dit],
m_problem_domain, m_dx,
false); // not homogeneous
}
}
// finally, do exchange
a_lapVel.exchange(a_lapVel.interval());
}
// ----------------------------------------------------------------
void EdgeToCell(const LevelData<FluxBox>& a_edgeData,
LevelData<FArrayBox>& a_cellData)
{
// this is just a wrapper around the single-grid version
DataIterator dit = a_edgeData.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
EdgeToCell(a_edgeData[dit()], a_cellData[dit()]);
}
}
void EBPoissonOp::
GSColorAllRegular(LevelData<EBCellFAB>& a_phi,
const LevelData<EBCellFAB>& a_rhs,
const IntVect& a_color,
const Real& a_weight,
const bool& a_homogeneousPhysBC)
{
CH_TIME("EBPoissonOp::GSColorAllRegular");
CH_assert(a_rhs.ghostVect() == m_ghostCellsRHS);
CH_assert(a_phi.ghostVect() == m_ghostCellsPhi);
int nComps = a_phi.nComp();
for (DataIterator dit = a_phi.dataIterator(); dit.ok(); ++dit)
{
Box dblBox(m_eblg.getDBL().get(dit()));
BaseFab<Real>& phiFAB = (a_phi[dit()] ).getSingleValuedFAB();
const BaseFab<Real>& rhsFAB = (a_rhs[dit()] ).getSingleValuedFAB();
Box loBox[SpaceDim],hiBox[SpaceDim];
int hasLo[SpaceDim],hasHi[SpaceDim];
applyDomainFlux(loBox, hiBox, hasLo, hasHi,
dblBox, nComps, phiFAB,
a_homogeneousPhysBC, dit(),m_beta);
IntVect loIV = dblBox.smallEnd();
IntVect hiIV = dblBox.bigEnd();
for (int idir = 0; idir < SpaceDim; idir++)
{
if (loIV[idir] % 2 != a_color[idir])
{
loIV[idir]++;
}
}
if (loIV <= hiIV)
{
Box coloredBox(loIV, hiIV);
for (int comp=0; comp<a_phi.nComp(); comp++)
{
FORT_DOALLREGULARMULTICOLOR(CHF_FRA1(phiFAB,comp),
CHF_CONST_FRA1(rhsFAB,comp),
CHF_CONST_REAL(a_weight),
CHF_CONST_REAL(m_alpha),
CHF_CONST_REAL(m_beta),
CHF_CONST_REALVECT(m_dx),
CHF_BOX(coloredBox));
}
}
}
}
void EBPoissonOp::
GSColorAllIrregular(LevelData<EBCellFAB>& a_phi,
const LevelData<EBCellFAB>& a_rhs,
const IntVect& a_color,
const bool& a_homogeneousPhysBC,
int icolor)
{
CH_TIME("EBPoissonOp::GSColorAllIrregular");
for (DataIterator dit = a_phi.dataIterator(); dit.ok(); ++dit)
{
EBCellFAB& phifab = a_phi[dit()];
const EBCellFAB& rhsfab = a_rhs[dit()];
//phi = (I-lambda*L)phiOld
m_colorEBStencil[icolor][dit()]->apply(phifab, phifab, false);
//apply EB bcs to (I-lambda*L)phi (already done in colorStencil += fluxStencil, and hom only here))
int comp = 0;
const BaseIVFAB<Real>& curAlphaWeight = m_alphaDiagWeight[dit()];
const BaseIVFAB<Real>& curBetaWeight = m_betaDiagWeight[dit()];
//apply domain bcs to (I-lambda*L)phi
for (int idir = 0; idir < SpaceDim; idir++)
{
for (m_vofItIrregColorDomLo[icolor][idir][dit()].reset(); m_vofItIrregColorDomLo[icolor][idir][dit()].ok(); ++m_vofItIrregColorDomLo[icolor][idir][dit()])
{
Real flux;
const VolIndex& vof = m_vofItIrregColorDomLo[icolor][idir][dit()]();
Real weightIrreg = m_alpha*curAlphaWeight(vof,0) + m_beta*curBetaWeight(vof,0);
m_domainBC->getFaceFlux(flux,vof,comp,a_phi[dit()],
m_origin,m_dx,idir,Side::Lo, dit(), m_time,
a_homogeneousPhysBC);
phifab(vof,comp) -= -(1./weightIrreg) * flux * m_beta*m_invDx[idir];
}
for (m_vofItIrregColorDomHi[icolor][idir][dit()].reset(); m_vofItIrregColorDomHi[icolor][idir][dit()].ok(); ++m_vofItIrregColorDomHi[icolor][idir][dit()])
{
Real flux;
const VolIndex& vof = m_vofItIrregColorDomHi[icolor][idir][dit()]();
Real weightIrreg = m_alpha*curAlphaWeight(vof,0) + m_beta*curBetaWeight(vof,0);
m_domainBC->getFaceFlux(flux,vof,comp,a_phi[dit()],
m_origin,m_dx,idir,Side::Hi,dit(), m_time,
a_homogeneousPhysBC);
phifab(vof,comp) += -(1./weightIrreg) * flux * m_beta*m_invDx[idir];
}
}
//phi += lambda*rhsfab
m_rhsColorEBStencil[icolor][dit()]->apply(phifab, rhsfab, true);
}
}
void EBPoissonOp::
colorGS(LevelData<EBCellFAB>& a_phi,
const LevelData<EBCellFAB>& a_rhs,
const IntVect& a_color,
int icolor)
{
CH_TIME("EBPoissonOp::colorGS");
//this is a multigrid operator so only homogeneous CF BC and null coar level
CH_assert(a_rhs.ghostVect() == m_ghostCellsRHS);
CH_assert(a_phi.ghostVect() == m_ghostCellsPhi);
a_phi.exchange();
Real weight = m_alpha;
for (int idir = 0; idir < SpaceDim; idir++)
{
weight += -2.0 * m_beta * m_invDx2[idir];
}
weight = 1.0 / weight;
for (DataIterator dit = a_phi.dataIterator(); dit.ok(); ++dit)
{
EBCellFAB& phifab = a_phi[dit()];
m_colorEBStencil[icolor][dit()]->cache(phifab);
}
GSColorAllRegular( a_phi, a_rhs, a_color, weight, true);
for (DataIterator dit = a_phi.dataIterator(); dit.ok(); ++dit)
{
EBCellFAB& phifab = a_phi[dit()];
m_colorEBStencil[icolor][dit()]->uncache(phifab);
}
GSColorAllIrregular(a_phi, a_rhs, a_color, true, icolor);
}
void
initData(LevelData<FArrayBox>& a_data,
Real a_dx)
{
// for now, set phi to 1 everywhere
Real phiVal = 1.0;
DataIterator dit = a_data.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
a_data[dit].setVal(phiVal);
}
}
void
EBPlanarShockIBC::
initialize(LevelData<EBCellFAB>& a_conState,
const EBISLayout& a_ebisl) const
{
CH_assert(m_isDefined);
CH_assert(m_isFortranCommonSet);
// Iterator of all grids in this level
for(DataIterator dit = a_conState.dataIterator(); dit.ok(); ++dit)
{
const EBISBox& ebisBox = a_ebisl[dit()];
// Storage for current grid
EBCellFAB& conFAB = a_conState[dit()];
BaseFab<Real>& regConFAB = conFAB.getSingleValuedFAB();
// Box of current grid
Box uBox = regConFAB.box();
uBox &= m_domain;
// Set up initial condition in this grid
/**/
FORT_PLANARSHOCKINIT(CHF_CONST_FRA(regConFAB),
CHF_CONST_REAL(m_dx),
CHF_BOX(uBox));
/**/
//now for the multivalued cells. Since it is pointwise,
//the regular calc is correct for all single-valued cells.
IntVectSet ivs = ebisBox.getMultiCells(uBox);
for(VoFIterator vofit(ivs, ebisBox.getEBGraph()); vofit.ok(); ++vofit)
{
const VolIndex& vof = vofit();
const IntVect& iv = vof.gridIndex();
RealVect momentum;
Real energy, density;
/**/
FORT_POINTPLANARSHOCKINIT(CHF_REAL(density),
CHF_REALVECT(momentum),
CHF_REAL(energy),
CHF_CONST_INTVECT(iv),
CHF_CONST_REAL(m_dx));
/**/
conFAB(vof, CRHO) = density;
conFAB(vof, CENG) = energy;
for(int idir = 0; idir < SpaceDim; idir++)
{
conFAB(vof, CMOMX+idir) = momentum[idir];
}
}//end loop over multivalued cells
} //end loop over boxes
}
/// Set up initial conditions
void RSIBC::initializeBdry(LevelData<FArrayBox>& a_B)
{
const Real tmpVal = 0.0;
const Real tmpVal2 = 1e10;
for (DataIterator dit = a_B.dataIterator(); dit.ok(); ++dit)
{
// Storage for current grid
FArrayBox& B = a_B[dit()];
// Box of current grid
Box bBox = B.box();
bBox &= m_domain;
// Set up initial condition in this grid
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_VX),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_VZ),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_SXY),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_SYZ),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_V),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_DX),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_DZ),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_DT),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_RT),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal2));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_SYY),
CHF_BOX(bBox),
CHF_CONST_REAL(tmpVal));
FORT_LINELASTSETFAB(CHF_FRA1(B,RX_PSI),
CHF_BOX(bBox),
CHF_CONST_REAL(m_psi));
}
}
// ---------------------------------------------------------
void
AMRNavierStokes::computeKineticEnergy(LevelData<FArrayBox>& a_energy) const
{
// this is simple since no BC's need to be set.
const LevelData<FArrayBox>& levelVel = *m_vel_new_ptr;
const DisjointBoxLayout& levelGrids = levelVel.getBoxes();
DataIterator dit = a_energy.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
FORT_KINETICENERGY(CHF_FRA1(a_energy[dit],0),
CHF_CONST_FRA(levelVel[dit]),
CHF_BOX(levelGrids[dit]));
}
}
// -------------------------------------------------------------
void
Mask::buildMasks(LevelData<BaseFab<int> >& a_masks,
const ProblemDomain& a_dProblem,
const BoxLayout& a_grids, const BoxLayout* a_fineGridsPtr,
int a_nRefFine)
{
// simply iterate over boxes and call single-basefab function
DataIterator dit = a_masks.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
buildMask(a_masks[dit()], a_dProblem, a_grids, a_fineGridsPtr,
a_nRefFine);
}
}
void EBPoissonOp::
residual(LevelData<EBCellFAB>& a_residual,
const LevelData<EBCellFAB>& a_phi,
const LevelData<EBCellFAB>& a_rhs,
bool a_homogeneousPhysBC)
{
CH_TIME("EBPoissonOp::residual");
//this is a multigrid operator so only homogeneous CF BC
//and null coar level
CH_assert(a_residual.ghostVect() == m_ghostCellsRHS);
CH_assert(a_phi.ghostVect() == m_ghostCellsPhi);
DataIterator dit = a_residual.dataIterator();
applyOp(a_residual,a_phi, a_homogeneousPhysBC, dit );
axby(a_residual,a_residual,a_rhs,-1.0, 1.0);
}
// ----------------------------------------------------------
// this function is shamelessly based on the ANAG CoarseAverage
// (cell-centered) version
void
CoarseAverageEdge::averageToCoarse(LevelData<FluxBox>& a_coarseData,
const LevelData<FluxBox>& a_fineData)
{
CH_assert(isDefined());
DataIterator dit = a_fineData.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
FluxBox& coarsenedFine = m_coarsenedFineData[dit()];
const FluxBox& fine = a_fineData[dit()];
// coarsen from the entire fine grid onto the entire coarse grid
averageGridData(coarsenedFine, fine);
}
m_coarsenedFineData.copyTo(m_coarsenedFineData.interval(),
a_coarseData, a_coarseData.interval());
}
void setValue(LevelData<EBCellFAB>& phase, const BaseBCValue& value,
const Box& domain,
const RealVect& dx, const RealVect& origin,
bool useKappa)
{
RealVect loc;
IntVect originIV = domain.smallEnd();
DataIterator dit = phase.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
EBCellFAB& efab = phase[dit];
FArrayBox& fab = efab.getFArrayBox();
ForAllX(Real, fab)
{
D_EXPR(loc[0]=iR+nR-nR+originIV[0], loc[1]=jR+originIV[1], loc[2]=kR+originIV[2]);
loc+=0.5;
loc*=dx;
loc+=origin;
fabR = value.value(loc, RealVect::Zero, 1.e99,0);
}
EndFor ;
if (useKappa)
{
const EBISBox& ebox = efab.getEBISBox();
IntVectSet ivs = ebox.getIrregIVS(efab.getRegion());
IVSIterator it(ivs);
for (; it.ok(); ++it)
{
const IntVect iv = it();
VolIndex vi(iv,0);
if (ebox.bndryArea(vi) != 0)
{
loc = iv;
loc+=0.5;
loc+= ebox.centroid(vi);
loc*=dx;
loc+=origin;
efab(vi, 0) = value.value(loc, RealVect::Zero, 1.e99,0)*ebox.volFrac(vi);
}
}
}
}
void TimeInterpolatorRK4::interpolate(/// interpolated solution on this level coarsened
LevelData<FArrayBox>& a_U,
/// time interpolation coefficient in range [0:1]
const Real& a_timeInterpCoeff,
/// interval of a_U to fill in
const Interval& a_intvl)
{
CH_assert(m_defined);
CH_assert(m_gotFullTaylorPoly);
CH_assert(a_U.nComp() == m_numStates);
LevelData<FArrayBox> UComp;
aliasLevelData(UComp, &a_U, a_intvl);
// For i in 0:m_numCoeffs-1,
// coeffFirst[i] is index of first component of m_taylorCoeffs
// that corresponds to a coefficient of t^i.
Vector<int> coeffFirst(m_numCoeffs);
int intervalLength = a_intvl.size();
for (int i = 0; i < m_numCoeffs; i++)
{
coeffFirst[i] = a_intvl.begin() + i * m_numStates;
}
DataIterator dit = UComp.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
FArrayBox& UFab = UComp[dit];
const FArrayBox& taylorFab = m_taylorCoeffs[dit];
// Evaluate a0 + a1*t + a2*t^2 + a3*t^3
// as a0 + t * (a1 + t * (a2 + t * a3)).
UFab.copy(taylorFab, coeffFirst[m_numCoeffs-1], 0, intervalLength);
for (int ind = m_numCoeffs - 2; ind >=0; ind--)
{
UFab *= a_timeInterpCoeff;
UFab.plus(taylorFab, coeffFirst[ind], 0, intervalLength);
}
}
// dummy statement in order to get around gdb bug
int dummy_unused = 0; dummy_unused = 0;
}
// Set up initial conditions
void RampIBC::initialize(LevelData<FArrayBox>& a_U)
{
CH_assert(m_isFortranCommonSet == true);
CH_assert(m_isDefined == true);
// Iterator of all grids in this level
for (DataIterator dit = a_U.dataIterator(); dit.ok(); ++dit)
{
// Storage for current grid
FArrayBox& U = a_U[dit];
// Box of current grid
Box uBox = U.box();
uBox &= m_domain;
// Set up initial condition in this grid
FORT_RAMPINITF(CHF_FRA(U),
CHF_CONST_REAL(m_dx),
CHF_BOX(uBox));
}
}
void
initData(LevelData<FArrayBox>& a_data, const Real a_dx)
{
DataIterator dit = a_data.dataIterator();
const DisjointBoxLayout& interiorBoxes = a_data.getBoxes();
for (dit.begin(); dit.ok(); ++dit)
{
// first set to a bogus value which will persist in ghost cells
// after initialization
a_data[dit()].setVal(1.0e9);
// this will be slow, but who cares?
FArrayBox& localData = a_data[dit()];
BoxIterator boxIt(interiorBoxes[dit()]);
Real localVal;
for (boxIt.begin(); boxIt.ok(); ++boxIt)
{
const IntVect& loc = boxIt();
// linear profile
//localVal = a_dx*(D_TERM(loc[0]+0.5,
// + loc[1]+0.5,
// + loc[2]+0.5));
// quadratic profile
localVal = a_dx*a_dx*(D_TERM6((loc[0]+0.5)*(loc[0]+0.5),
+ (loc[1]+0.5)*(loc[1]+0.5),
+ (loc[2]+0.5)*(loc[2]+0.5),
+ (loc[3]+0.5)*(loc[3]+0.5),
+ (loc[4]+0.5)*(loc[4]+0.5),
+ (loc[5]+0.5)*(loc[5]+0.5)));
localData(loc) = localVal;
}
}
}
void TimeInterpolatorRK4::intermediate(/// intermediate RK4 solution on this level coarsened
LevelData<FArrayBox>& a_U,
/// time interpolation coefficient in range [0:1]
const Real& a_timeInterpCoeff,
/// which RK4 stage: 0, 1, 2, 3
const int& a_stage,
/// interval of a_U to fill in
const Interval& a_intvl) const
{
CH_assert(m_defined);
CH_assert(m_gotFullTaylorPoly);
CH_assert(a_U.nComp() == m_numStates);
CH_assert(a_stage >= 0);
CH_assert(a_stage < 4);
Real rinv = 1. / Real(m_refineCoarse);
Vector<Real> intermCoeffs(4);
// 0 is coefficient of m_taylorCoeffs[0] = Ucoarse(0)
// 1 is coefficient of m_taylorCoeffs[1] = K1
// 2 is coefficient of m_taylorCoeffs[2] = 1/2 * (-3*K1 + 2*K2 + 2*K3 - K4)
// 3 is coefficient of m_taylorCoeffs[3] = 2/3 * ( K1 - K2 - K3 + K4)
Real diff12Coeffs;
// coefficient of m_diff12 = - K2 + K3
switch (a_stage)
{
case 0:
intermCoeffs[0] = 1.;
intermCoeffs[1] = a_timeInterpCoeff;
intermCoeffs[2] = a_timeInterpCoeff * a_timeInterpCoeff;
intermCoeffs[3] = a_timeInterpCoeff * a_timeInterpCoeff * a_timeInterpCoeff;
diff12Coeffs = 0.;
break;
case 1:
intermCoeffs[0] = 1.;
intermCoeffs[1] = 0.5*rinv + a_timeInterpCoeff;
intermCoeffs[2] = a_timeInterpCoeff * (rinv + a_timeInterpCoeff);
intermCoeffs[3] = a_timeInterpCoeff * a_timeInterpCoeff * (1.5*rinv + a_timeInterpCoeff);
diff12Coeffs = 0.;
break;
case 2:
intermCoeffs[0] = 1.;
intermCoeffs[1] = 0.5*rinv + a_timeInterpCoeff;
intermCoeffs[2] = 0.5*rinv*rinv + a_timeInterpCoeff * (rinv + a_timeInterpCoeff);
intermCoeffs[3] = 0.375*rinv*rinv*rinv + a_timeInterpCoeff * (1.5*rinv*rinv + a_timeInterpCoeff * (1.5*rinv + a_timeInterpCoeff));
diff12Coeffs = -0.25 * rinv * rinv;
break;
case 3:
intermCoeffs[0] = 1.;
intermCoeffs[1] = rinv + a_timeInterpCoeff;
intermCoeffs[2] = rinv*rinv + a_timeInterpCoeff * (2.*rinv + a_timeInterpCoeff);
intermCoeffs[3] = 0.75*rinv*rinv*rinv + a_timeInterpCoeff * (3.*rinv*rinv + a_timeInterpCoeff * (3.*rinv + a_timeInterpCoeff));
diff12Coeffs = 0.5 * rinv * rinv;
break;
default:
MayDay::Error("TimeInterpolatorRK4::intermediate must have a_stage in range 0:3");
}
LevelData<FArrayBox> UComp;
aliasLevelData(UComp, &a_U, a_intvl);
// For i in 0:m_numCoeffs-1,
// coeffFirst[i] is index of first component of m_taylorCoeffs
// that corresponds to a coefficient of t^i.
Vector<int> coeffFirst(m_numCoeffs);
int intervalLength = a_intvl.size();
for (int i = 0; i < m_numCoeffs; i++)
{
coeffFirst[i] = a_intvl.begin() + i * m_numStates;
}
DataIterator dit = UComp.dataIterator();
for (dit.begin(); dit.ok(); ++dit)
{
FArrayBox& UFab = UComp[dit];
const FArrayBox& taylorFab = m_taylorCoeffs[dit];
// WAS: Evaluate a0 + a1*t + a2*t^2 + a3*t^3
// as a0 + t * (a1 + t * (a2 + t * a3)):
// that is, set UFab to
// a3, t*a3 + a2, t*(t*a3 + a2) + a1, t*(t*(t*a3 + a2) + a1) * a0.
// NEW: Evaluate a0*c0 + a1*c1 + a2*c2 + a3*c3,
// where c0, c1, c2, c3 are scalars,
// and c0 = intermCoeffs[0] = 1.
UFab.copy(taylorFab, coeffFirst[0], 0, intervalLength);
for (int ind = 1; ind < 4; ind++)
{
UFab.plus(taylorFab, intermCoeffs[ind],
coeffFirst[ind], 0, intervalLength);
}
const FArrayBox& diff12Fab = m_diff12[dit];
UFab.plus(diff12Fab, diff12Coeffs, 0, 0, intervalLength);
}
// dummy statement in order to get around gdb bug
int dummy_unused = 0; dummy_unused = 0;
}
void VCAMRPoissonOp2::restrictResidual(LevelData<FArrayBox>& a_resCoarse,
LevelData<FArrayBox>& a_phiFine,
const LevelData<FArrayBox>& a_rhsFine)
{
CH_TIME("VCAMRPoissonOp2::restrictResidual");
homogeneousCFInterp(a_phiFine);
const DisjointBoxLayout& dblFine = a_phiFine.disjointBoxLayout();
for (DataIterator dit = a_phiFine.dataIterator(); dit.ok(); ++dit)
{
FArrayBox& phi = a_phiFine[dit];
m_bc(phi, dblFine[dit()], m_domain, m_dx, true);
}
a_phiFine.exchange(a_phiFine.interval(), m_exchangeCopier);
for (DataIterator dit = a_phiFine.dataIterator(); dit.ok(); ++dit)
{
FArrayBox& phi = a_phiFine[dit];
const FArrayBox& rhs = a_rhsFine[dit];
FArrayBox& res = a_resCoarse[dit];
const FArrayBox& thisACoef = (*m_aCoef)[dit];
const FluxBox& thisBCoef = (*m_bCoef)[dit];
Box region = dblFine.get(dit());
const IntVect& iv = region.smallEnd();
IntVect civ = coarsen(iv, 2);
res.setVal(0.0);
#if CH_SPACEDIM == 1
FORT_RESTRICTRESVC1D
#elif CH_SPACEDIM == 2
FORT_RESTRICTRESVC2D
#elif CH_SPACEDIM == 3
FORT_RESTRICTRESVC3D
#else
This_will_not_compile!
#endif
(CHF_FRA_SHIFT(res, civ),
CHF_CONST_FRA_SHIFT(phi, iv),
CHF_CONST_FRA_SHIFT(rhs, iv),
CHF_CONST_REAL(m_alpha),
CHF_CONST_FRA_SHIFT(thisACoef, iv),
CHF_CONST_REAL(m_beta),
#if CH_SPACEDIM >= 1
CHF_CONST_FRA_SHIFT(thisBCoef[0], iv),
#endif
#if CH_SPACEDIM >= 2
CHF_CONST_FRA_SHIFT(thisBCoef[1], iv),
#endif
#if CH_SPACEDIM >= 3
CHF_CONST_FRA_SHIFT(thisBCoef[2], iv),
#endif
#if CH_SPACEDIM >= 4
This_will_not_compile!
#endif
CHF_BOX_SHIFT(region, iv),
CHF_CONST_REAL(m_dx));
}
}
//
// VCAMRPoissonOp2::reflux()
// There are currently the new version (first) and the old version (second)
// in this file. Brian asked to preserve the old version in this way for
// now. - TJL (12/10/2007)
//
void VCAMRPoissonOp2::reflux(const LevelData<FArrayBox>& a_phiFine,
const LevelData<FArrayBox>& a_phi,
LevelData<FArrayBox>& a_residual,
AMRLevelOp<LevelData<FArrayBox> >* a_finerOp)
{
CH_TIMERS("VCAMRPoissonOp2::reflux");
m_levfluxreg.setToZero();
Interval interv(0,a_phi.nComp()-1);
CH_TIMER("VCAMRPoissonOp2::reflux::incrementCoarse", t2);
CH_START(t2);
DataIterator dit = a_phi.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
const FArrayBox& coarfab = a_phi[dit];
const FluxBox& coarBCoef = (*m_bCoef)[dit];
const Box& gridBox = a_phi.getBoxes()[dit];
if (m_levfluxreg.hasCF(dit()))
{
for (int idir = 0; idir < SpaceDim; idir++)
{
FArrayBox coarflux;
Box faceBox = surroundingNodes(gridBox, idir);
getFlux(coarflux, coarfab, coarBCoef, faceBox, idir);
Real scale = 1.0;
m_levfluxreg.incrementCoarse(coarflux, scale,dit(),
interv, interv, idir);
}
}
}
CH_STOP(t2);
// const cast: OK because we're changing ghost cells only
LevelData<FArrayBox>& phiFineRef = ( LevelData<FArrayBox>&)a_phiFine;
VCAMRPoissonOp2* finerAMRPOp = (VCAMRPoissonOp2*) a_finerOp;
QuadCFInterp& quadCFI = finerAMRPOp->m_interpWithCoarser;
quadCFI.coarseFineInterp(phiFineRef, a_phi);
// I'm pretty sure this is not necessary. bvs -- flux calculations use
// outer ghost cells, but not inner ones
// phiFineRef.exchange(a_phiFine.interval());
IntVect phiGhost = phiFineRef.ghostVect();
int ncomps = a_phiFine.nComp();
CH_TIMER("VCAMRPoissonOp2::reflux::incrementFine", t3);
CH_START(t3);
DataIterator ditf = a_phiFine.dataIterator();
const DisjointBoxLayout& dblFine = a_phiFine.disjointBoxLayout();
for (ditf.reset(); ditf.ok(); ++ditf)
{
const FArrayBox& phifFab = a_phiFine[ditf];
const FluxBox& fineBCoef = (*(finerAMRPOp->m_bCoef))[ditf];
const Box& gridbox = dblFine.get(ditf());
for (int idir = 0; idir < SpaceDim; idir++)
{
//int normalGhost = phiGhost[idir];
SideIterator sit;
for (sit.begin(); sit.ok(); sit.next())
{
if (m_levfluxreg.hasCF(ditf(), sit()))
{
Side::LoHiSide hiorlo = sit();
Box fluxBox = bdryBox(gridbox,idir,hiorlo,1);
FArrayBox fineflux(fluxBox,ncomps);
getFlux(fineflux, phifFab, fineBCoef, fluxBox, idir,
m_refToFiner);
Real scale = 1.0;
m_levfluxreg.incrementFine(fineflux, scale, ditf(),
interv, interv, idir, hiorlo);
}
}
}
}
CH_STOP(t3);
Real scale = 1.0/m_dx;
m_levfluxreg.reflux(a_residual, scale);
}
void VCAMRPoissonOp2::reflux(const LevelData<FArrayBox>& a_phiFine,
const LevelData<FArrayBox>& a_phi,
LevelData<FArrayBox>& a_residual,
AMRLevelOp<LevelData<FArrayBox> >* a_finerOp)
{
CH_TIME("VCAMRPoissonOp2::reflux");
int ncomp = 1;
ProblemDomain fineDomain = refine(m_domain, m_refToFiner);
LevelFluxRegister levfluxreg(a_phiFine.disjointBoxLayout(),
a_phi.disjointBoxLayout(),
fineDomain,
m_refToFiner,
ncomp);
levfluxreg.setToZero();
Interval interv(0,a_phi.nComp()-1);
DataIterator dit = a_phi.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
const FArrayBox& coarfab = a_phi[dit];
const FluxBox& coarBCoef = (*m_bCoef)[dit];
const Box& gridBox = a_phi.getBoxes()[dit];
for (int idir = 0; idir < SpaceDim; idir++)
{
FArrayBox coarflux;
Box faceBox = surroundingNodes(gridBox, idir);
getFlux(coarflux, coarfab, coarBCoef , faceBox, idir);
Real scale = 1.0;
levfluxreg.incrementCoarse(coarflux, scale,dit(),
interv,interv,idir);
}
}
LevelData<FArrayBox>& p = ( LevelData<FArrayBox>&)a_phiFine;
// has to be its own object because the finer operator
// owns an interpolator and we have no way of getting to it
VCAMRPoissonOp2* finerAMRPOp = (VCAMRPoissonOp2*) a_finerOp;
QuadCFInterp& quadCFI = finerAMRPOp->m_interpWithCoarser;
quadCFI.coarseFineInterp(p, a_phi);
// p.exchange(a_phiFine.interval()); // BVS is pretty sure this is not necesary.
IntVect phiGhost = p.ghostVect();
DataIterator ditf = a_phiFine.dataIterator();
const DisjointBoxLayout& dblFine = a_phiFine.disjointBoxLayout();
for (ditf.reset(); ditf.ok(); ++ditf)
{
const FArrayBox& phifFab = a_phiFine[ditf];
const FluxBox& fineBCoef = (*(finerAMRPOp->m_bCoef))[ditf];
const Box& gridbox = dblFine.get(ditf());
for (int idir = 0; idir < SpaceDim; idir++)
{
int normalGhost = phiGhost[idir];
SideIterator sit;
for (sit.begin(); sit.ok(); sit.next())
{
Side::LoHiSide hiorlo = sit();
Box fabbox;
Box facebox;
// assumption here that the stencil required
// to compute the flux in the normal direction
// is 2* the number of ghost cells for phi
// (which is a reasonable assumption, and probably
// better than just assuming you need one cell on
// either side of the interface
// (dfm 8-4-06)
if (sit() == Side::Lo)
{
fabbox = adjCellLo(gridbox,idir, 2*normalGhost);
fabbox.shift(idir, 1);
facebox = bdryLo(gridbox, idir,1);
}
else
{
fabbox = adjCellHi(gridbox,idir, 2*normalGhost);
fabbox.shift(idir, -1);
facebox = bdryHi(gridbox, idir, 1);
}
// just in case we need ghost cells in the transverse direction
// (dfm 8-4-06)
for (int otherDir=0; otherDir<SpaceDim; ++otherDir)
{
if (otherDir != idir)
{
fabbox.grow(otherDir, phiGhost[otherDir]);
}
}
CH_assert(!fabbox.isEmpty());
FArrayBox phifab(fabbox, a_phi.nComp());
phifab.copy(phifFab);
FArrayBox fineflux;
getFlux(fineflux, phifab, fineBCoef, facebox, idir,
m_refToFiner);
Real scale = 1.0;
levfluxreg.incrementFine(fineflux, scale, ditf(),
interv, interv, idir, hiorlo);
}
}
}
Real scale = 1.0/m_dx;
levfluxreg.reflux(a_residual, scale);
}
void VCAMRPoissonOp2::looseGSRB(LevelData<FArrayBox>& a_phi,
const LevelData<FArrayBox>& a_rhs)
{
CH_TIME("VCAMRPoissonOp2::looseGSRB");
#if 1
MayDay::Abort("VCAMRPoissonOp2::looseGSRB - Not implemented");
#else
// This implementation converges at half the rate of "levelGSRB" in
// multigrid solves
CH_assert(a_phi.isDefined());
CH_assert(a_rhs.isDefined());
CH_assert(a_phi.ghostVect() >= IntVect::Unit);
CH_assert(a_phi.nComp() == a_rhs.nComp());
// Recompute the relaxation coefficient if needed.
resetLambda();
const DisjointBoxLayout& dbl = a_phi.disjointBoxLayout();
DataIterator dit = a_phi.dataIterator();
// fill in intersection of ghostcells and a_phi's boxes
{
CH_TIME("VCAMRPoissonOp2::looseGSRB::homogeneousCFInterp");
homogeneousCFInterp(a_phi);
}
{
CH_TIME("VCAMRPoissonOp2::looseGSRB::exchange");
a_phi.exchange(a_phi.interval(), m_exchangeCopier);
}
// now step through grids...
for (dit.begin(); dit.ok(); ++dit)
{
// invoke physical BC's where necessary
{
CH_TIME("VCAMRPoissonOp2::looseGSRB::BCs");
m_bc(a_phi[dit], dbl[dit()], m_domain, m_dx, true);
}
const Box& region = dbl.get(dit());
const FluxBox& thisBCoef = (*m_bCoef)[dit];
int whichPass = 0;
#if CH_SPACEDIM == 1
FORT_GSRBHELMHOLTZVC1D
#elif CH_SPACEDIM == 2
FORT_GSRBHELMHOLTZVC2D
#elif CH_SPACEDIM == 3
FORT_GSRBHELMHOLTZVC3D
#else
This_will_not_compile!
#endif
(CHF_FRA(a_phi[dit]),
CHF_CONST_FRA(a_rhs[dit]),
CHF_BOX(region),
CHF_CONST_REAL(m_dx),
CHF_CONST_REAL(m_alpha),
CHF_CONST_FRA((*m_aCoef)[dit]),
CHF_CONST_REAL(m_beta),
#if CH_SPACEDIM >= 1
CHF_CONST_FRA(thisBCoef[0]),
#endif
#if CH_SPACEDIM >= 2
CHF_CONST_FRA(thisBCoef[1]),
#endif
#if CH_SPACEDIM >= 3
CHF_CONST_FRA(thisBCoef[2]),
#endif
#if CH_SPACEDIM >= 4
This_will_not_compile!
#endif
CHF_CONST_FRA(m_lambda[dit]),
CHF_CONST_INT(whichPass));
whichPass = 1;
#if CH_SPACEDIM == 1
FORT_GSRBHELMHOLTZVC1D
#elif CH_SPACEDIM == 2
FORT_GSRBHELMHOLTZVC2D
#elif CH_SPACEDIM == 3
FORT_GSRBHELMHOLTZVC3D
#else
This_will_not_compile!
#endif
(CHF_FRA(a_phi[dit]),
CHF_CONST_FRA(a_rhs[dit]),
CHF_BOX(region),
CHF_CONST_REAL(m_dx),
CHF_CONST_REAL(m_alpha),
CHF_CONST_FRA((*m_aCoef)[dit]),
CHF_CONST_REAL(m_beta),
#if CH_SPACEDIM >= 1
CHF_CONST_FRA(thisBCoef[0]),
#endif
#if CH_SPACEDIM >= 2
CHF_CONST_FRA(thisBCoef[1]),
#endif
#if CH_SPACEDIM >= 3
CHF_CONST_FRA(thisBCoef[2]),
#endif
#if CH_SPACEDIM >= 4
This_will_not_compile!
#endif
CHF_CONST_FRA(m_lambda[dit]),
CHF_CONST_INT(whichPass));
} // end loop through grids
#endif
}
// ---------------------------------------------------------------
// tag cells for regridding
void
AMRNavierStokes::tagCells(IntVectSet & a_tags)
{
if (s_verbosity >= 3)
{
pout () << "AMRNavierStokes::tagCells " << m_level << endl;
}
IntVectSet local_tags;
// create tags based on something or other
// for now, don't do anything
const DisjointBoxLayout& level_domain = newVel().getBoxes();
if (s_tag_vorticity)
{
LevelData<FArrayBox> vorticity;
LevelData<FArrayBox> mag_vorticity;
if (SpaceDim == 2)
{
vorticity.define(level_domain,1);
}
else if (SpaceDim == 3)
{
vorticity.define(level_domain,SpaceDim);
mag_vorticity.define(level_domain,1);
}
computeVorticity(vorticity);
Interval vortInterval(0,0);
if (SpaceDim == 3)
{
vortInterval = Interval(0,SpaceDim-1);
}
Real tagLevel = norm(vorticity, vortInterval, 0);
// Real tagLevel = 1.0;
//tagLevel *= s_vort_factor/m_dx;
// actually tag where vort*dx > s_vort_factor*max(vort)
tagLevel = s_vort_factor/m_dx;
if (tagLevel > 0)
{
// now tag where vorticity magnitude is greater than or equal
// to tagLevel
DataIterator dit = vorticity.dataIterator();
for (dit.reset(); dit.ok(); ++dit)
{
FArrayBox& vortFab = vorticity[dit];
// this only needs to be done in 3d...
if (SpaceDim==3)
{
FArrayBox& magVortFab = mag_vorticity[dit];
FORT_MAGVECT(CHF_FRA1(magVortFab,0),
CHF_CONST_FRA(vortFab),
CHF_BOX(level_domain[dit]));
}
BoxIterator bit(vortFab.box());
for (bit.begin(); bit.ok(); ++bit)
{
const IntVect& iv = bit();
if (SpaceDim == 2)
{
if (abs(vortFab(iv)) >= tagLevel)
{
local_tags |= iv;
}
}
else if (SpaceDim == 3)
{
FArrayBox& magVortFab = mag_vorticity[dit];
if (abs(magVortFab(iv)) >= tagLevel)
{
local_tags |= iv;
}
} // end if DIM=3
} // end loop over interior of box
} // loop over grids
} // if taglevel > 0
} // if tagging on vorticity
a_tags = local_tags;
}
void
LevelFluxRegisterEdge::refluxCurl(LevelData<FluxBox>& a_uCoarse,
Real a_scale)
{
CH_assert(isDefined());
CH_assert(a_uCoarse.nComp() == m_nComp);
SideIterator side;
// idir is the normal direction to the coarse-fine interface
for (int idir=0 ; idir<SpaceDim; ++idir)
{
for (side.begin(); side.ok(); ++side)
{
LevelData<FluxBox>& fineReg = m_fabFine[index(idir, side())];
// first, create temp LevelData<FluxBox> to hold "coarse flux"
const DisjointBoxLayout coarseBoxes = m_regCoarse.getBoxes();
// this fills the place of what used to be m_fabCoarse in the old
// implementation
LevelData<FluxBox> coarReg(coarseBoxes, m_nComp, IntVect::Unit);
// now fill the coarReg with the curl of the stored coarse-level
// edge-centered flux
DataIterator crseDit = coarseBoxes.dataIterator();
for (crseDit.begin(); crseDit.ok(); ++crseDit)
{
FluxBox& thisCoarReg = coarReg[crseDit];
thisCoarReg.setVal(0.0);
EdgeDataBox& thisEdgeData = m_regCoarse[crseDit];
for (int edgeDir=0; edgeDir<SpaceDim; edgeDir++)
{
if (idir != edgeDir)
{
FArrayBox& crseEdgeDataDir = thisEdgeData[edgeDir];
for (int faceDir = 0; faceDir<SpaceDim; faceDir++)
{
if (faceDir != edgeDir)
{
FArrayBox& faceData = thisCoarReg[faceDir];
int shiftDir = -1;
for (int i=0; i<SpaceDim; i++)
{
if ((i != faceDir) && (i != edgeDir) )
{
shiftDir = i;
}
}
CH_assert(shiftDir >= 0);
crseEdgeDataDir.shiftHalf(shiftDir, sign(side()));
// scaling already taken care of in incrementCrse
Real scale = 1.0;
faceData.plus(crseEdgeDataDir, scale, 0, 0, faceData.nComp());
crseEdgeDataDir.shiftHalf(shiftDir, -sign(side()));
} // end if not normal direction
} // end loop over face directions
} // end if edgeDir != idir
} // end loop over edge directions
} // end loop over crse boxes
// first, we need to create a temp LevelData<FluxBox>
// to make a local copy in the coarse layout space of
// the fine register increments
LevelData<FluxBox> fineRegLocal(coarReg.getBoxes(), m_nComp, IntVect::Unit);
fineReg.copyTo(fineReg.interval(), fineRegLocal,
fineRegLocal.interval(),
m_crseCopiers[index(idir,side())]);
for (DataIterator it = a_uCoarse.dataIterator(); it.ok(); ++it)
{
// loop over flux components here
for (int fluxComp=0; fluxComp < SpaceDim; fluxComp++)
{
// we don't do anything in the normal direction
if (fluxComp != idir)
{
// fluxDir is the direction of the face-centered flux
FArrayBox& U = a_uCoarse[it()][fluxComp];
// set up IntVectSet to avoid double counting of updates
Box coarseGridBox = U.box();
// transfer to Cell-centered, then create IVS
coarseGridBox.shiftHalf(fluxComp,1);
IntVectSet nonUpdatedEdges(coarseGridBox);
// remember, we want to take the curl here
// also recall that fluxComp is the component
// of the face-centered curl (not the edge-centered
// vector field that we're refluxing, which is why
// the sign may seem like it's the opposite of what
// you might expect!
Real local_scale = -sign(side())*a_scale;
//int testDir = (fluxComp+1)%(SpaceDim);
if (((fluxComp+1)%(SpaceDim)) == idir) local_scale *= -1;
Vector<IntVectSet>& ivsV =
m_refluxLocations[index(idir, side())][it()][fluxComp];
Vector<DataIndex>& indexV =
m_coarToCoarMap[index(idir, side())][it()];
IVSIterator iv;
for (int i=0; i<ivsV.size(); ++i)
{
iv.define(ivsV[i]);
const FArrayBox& coar = coarReg[indexV[i]][fluxComp];
const FArrayBox& fine = fineRegLocal[indexV[i]][fluxComp];
for (iv.begin(); iv.ok(); ++iv)
{
IntVect thisIV = iv();
if (nonUpdatedEdges.contains(thisIV))
{
for (int comp=0; comp <m_nComp; ++comp)
{
//Real coarVal = coar(thisIV, comp);
//Real fineVal = fine(thisIV, comp);
U(thisIV, comp) -=
local_scale*(coar(thisIV, comp)
+fine(thisIV, comp));
}
nonUpdatedEdges -= thisIV;
}
}
}
} // end if not normal face
} // end loop over fluxbox directions
} // end loop over coarse boxes
} // end loop over sides
} // end loop over directions
}