void PrintBCPressureData(
BCPressureData *bc_pressure_data)
{
amps_Printf("Pressure BC Information\n");
if ( BCPressureDataNumPatches(bc_pressure_data) == -1 )
{
amps_Printf("Pressure BCs have not been setup.\n");
}
else if ( BCPressureDataNumPatches(bc_pressure_data) == 0 )
{
amps_Printf("No Pressure BCs.\n");
}
else
{
amps_Printf("Pressure BCs exist.\n");
}
}
BCPressureData *NewBCPressureData()
{
BCPressureData *bc_pressure_data;
bc_pressure_data = ctalloc(BCPressureData, 1);
BCPressureDataNumPhases(bc_pressure_data) = 0;
BCPressureDataNumPatches(bc_pressure_data) = -1;
BCPressureDataTypes(bc_pressure_data) = NULL;
BCPressureDataCycleNumbers(bc_pressure_data) = NULL;
BCPressureDataPatchIndexes(bc_pressure_data) = NULL;
BCPressureDataBCTypes(bc_pressure_data) = NULL;
BCPressureDataValues(bc_pressure_data) = NULL;
return bc_pressure_data;
}
void FreeBCPressureData(
BCPressureData *bc_pressure_data)
{
int i, cycle_number, interval_division, interval_number;
TimeCycleData *time_cycle_data;
if ( bc_pressure_data )
{
time_cycle_data = BCPressureDataTimeCycleData(bc_pressure_data);
if (BCPressureDataNumPatches(bc_pressure_data) > 0)
{
if (BCPressureDataValues(bc_pressure_data))
{
for(i = 0; i < BCPressureDataNumPatches(bc_pressure_data); i++)
{
if (BCPressureDataIntervalValues(bc_pressure_data,i))
{
cycle_number = BCPressureDataCycleNumber(bc_pressure_data,i);
interval_division = TimeCycleDataIntervalDivision(
time_cycle_data, cycle_number);
for(interval_number = 0;
interval_number < interval_division;
interval_number++)
{
switch(BCPressureDataType(bc_pressure_data,i))
{
case 0:
{
BCPressureType0 *bc_pressure_type0;
bc_pressure_type0 = (BCPressureType0 *)BCPressureDataIntervalValue(
bc_pressure_data,i,interval_number);
if (BCPressureType0ValueAtInterfaces(
bc_pressure_type0))
{
tfree(BCPressureType0ValueAtInterfaces(
bc_pressure_type0));
}
break;
}
case 1:
{
BCPressureType1 *bc_pressure_type1;
bc_pressure_type1 = (BCPressureType1 *)BCPressureDataIntervalValue(
bc_pressure_data,i,interval_number);
if (BCPressureType1Points(bc_pressure_type1))
{
tfree(BCPressureType1Points(bc_pressure_type1));
}
if (BCPressureType1Values(bc_pressure_type1))
{
tfree(BCPressureType1Values(bc_pressure_type1));
}
if (BCPressureType1ValueAtInterfaces(
bc_pressure_type1))
{
tfree(BCPressureType1ValueAtInterfaces(
bc_pressure_type1));
}
break;
}
case 2:
{
BCPressureType2 *bc_pressure_type2;
bc_pressure_type2 = (BCPressureType2 *)BCPressureDataIntervalValue(
bc_pressure_data,i,interval_number);
break;
}
case 3:
{
BCPressureType3 *bc_pressure_type3;
bc_pressure_type3 = (BCPressureType3 *)BCPressureDataIntervalValue(
bc_pressure_data,i,interval_number);
break;
}
case 4:
{
BCPressureType4 *bc_pressure_type4;
bc_pressure_type4 = (BCPressureType4 *)BCPressureDataIntervalValue(
bc_pressure_data,i,interval_number);
if (BCPressureType4FileName(bc_pressure_type4))
{
tfree(BCPressureType4FileName(bc_pressure_type4));
}
break;
}
case 5:
{
BCPressureType5 *bc_pressure_type5;
bc_pressure_type5 = (BCPressureType5 *)BCPressureDataIntervalValue(
bc_pressure_data,i,interval_number);
if (BCPressureType5FileName(bc_pressure_type5))
{
tfree(BCPressureType5FileName(bc_pressure_type5));
}
break;
}
}
if (BCPressureDataIntervalValue(bc_pressure_data,i,
interval_number))
{
tfree(BCPressureDataIntervalValue(bc_pressure_data,i,
interval_number));
}
}
tfree(BCPressureDataIntervalValues(bc_pressure_data,i));
}
}
tfree(BCPressureDataValues(bc_pressure_data));
}
if (BCPressureDataBCTypes(bc_pressure_data))
{
tfree(BCPressureDataBCTypes(bc_pressure_data));
}
if (BCPressureDataPatchIndexes(bc_pressure_data))
{
tfree(BCPressureDataPatchIndexes(bc_pressure_data));
}
if (BCPressureDataCycleNumbers(bc_pressure_data))
{
tfree(BCPressureDataCycleNumbers(bc_pressure_data));
}
if (BCPressureDataTypes(bc_pressure_data))
{
tfree(BCPressureDataTypes(bc_pressure_data));
}
}
FreeTimeCycleData(time_cycle_data);
tfree(bc_pressure_data);
}
}
void OverlandSum(ProblemData *problem_data,
Vector *pressure, /* Current pressure values */
double dt,
Vector *overland_sum)
{
GrGeomSolid *gr_domain = ProblemDataGrDomain(problem_data);
double dx, dy, dz;
int i, j, r, is;
int ix, iy, iz;
int nx, ny;
Subgrid *subgrid;
Grid *grid = VectorGrid(pressure);
Vector *slope_x = ProblemDataTSlopeX(problem_data);
Vector *slope_y = ProblemDataTSlopeY(problem_data);
Vector *mannings = ProblemDataMannings(problem_data);
Vector *top = ProblemDataIndexOfDomainTop(problem_data);
Subvector *overland_sum_subvector;
Subvector *slope_x_subvector;
Subvector *slope_y_subvector;
Subvector *mannings_subvector;
Subvector *pressure_subvector;
Subvector *top_subvector;
int index_overland_sum;
int index_slope_x;
int index_slope_y;
int index_mannings;
int index_pressure;
int index_top;
double *overland_sum_ptr;
double *slope_x_ptr;
double *slope_y_ptr;
double *mannings_ptr;
double *pressure_ptr;
double *top_ptr;
int ipatch;
BCStruct *bc_struct;
BCPressureData *bc_pressure_data = ProblemDataBCPressureData(problem_data);
int num_patches = BCPressureDataNumPatches(bc_pressure_data);
bc_struct = NewBCStruct(GridSubgrids(grid),
gr_domain,
num_patches,
BCPressureDataPatchIndexes(bc_pressure_data),
BCPressureDataBCTypes(bc_pressure_data),
NULL);
if (num_patches > 0)
{
for (ipatch = 0; ipatch < num_patches; ipatch++)
{
switch(BCPressureDataType(bc_pressure_data,ipatch))
{
case 7:
{
ForSubgridI(is, GridSubgrids(grid))
{
subgrid = GridSubgrid(grid, is);
overland_sum_subvector = VectorSubvector(overland_sum, is);
slope_x_subvector = VectorSubvector(slope_x, is);
slope_y_subvector = VectorSubvector(slope_y, is);
mannings_subvector = VectorSubvector(mannings, is);
pressure_subvector = VectorSubvector(pressure, is);
top_subvector = VectorSubvector(top, is);
r = SubgridRX(subgrid);
ix = SubgridIX(subgrid);
iy = SubgridIY(subgrid);
iz = SubgridIZ(subgrid);
nx = SubgridNX(subgrid);
ny = SubgridNY(subgrid);
dx = SubgridDX(subgrid);
dy = SubgridDY(subgrid);
dz = SubgridDZ(subgrid);
overland_sum_ptr = SubvectorData(overland_sum_subvector);
slope_x_ptr = SubvectorData(slope_x_subvector);
slope_y_ptr = SubvectorData(slope_y_subvector);
mannings_ptr = SubvectorData(mannings_subvector);
pressure_ptr = SubvectorData(pressure_subvector);
top_ptr = SubvectorData(top_subvector);
int state;
const int inactive = -1;
const int active = 1;
for(i = ix; i < ix + nx; i++)
{
j = iy - 1;
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
int k = (int)top_ptr[index_top];
if( k < 0 ) {
state = inactive;
} else {
state = active;
}
while( j < iy + ny) {
if( state == inactive) {
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
while( k < 0 && j <= iy + ny) {
j++;
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
}
// If still in interior
if( j < iy + ny) {
if ( k >=0 ) {
// inactive to active
index_slope_y = SubvectorEltIndex(slope_y_subvector, i, j, 0);
// sloping to inactive active from active
if( slope_y_ptr[index_slope_y] > 0) {
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if(pressure_ptr[index_pressure] > 0)
{
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_y_ptr[index_slope_y]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dx * dt;
}
}
}
state = active;
}
} else {
index_top = SubvectorEltIndex(top_subvector, i, j+1, 0);
k = (int)top_ptr[index_top];
while( k >= 0 && j <= iy + ny) {
j++;
index_top = SubvectorEltIndex(top_subvector, i, j+1, 0);
k = (int)top_ptr[index_top];
}
// If still in interior
if( j < iy + ny) {
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
// active to inactive
index_slope_y = SubvectorEltIndex(slope_y_subvector, i, j, 0);
// sloping from active to inactive
if( slope_y_ptr[index_slope_y] < 0) {
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if(pressure_ptr[index_pressure] > 0)
{
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_y_ptr[index_slope_y]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dx * dt;
}
}
}
state = inactive;
}
j++;
}
}
#if 0
for(i = ix; i < ix + nx; i++)
{
for(j = iy; j < iy + ny; j++)
{
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
int k = (int)top_ptr[index_top];
if ( !(k < 0))
{
/*
Compute runnoff if slope is running off of active region
*/
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_slope_x = SubvectorEltIndex(slope_x_subvector, i, j, 0);
index_slope_y = SubvectorEltIndex(slope_y_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if( slope_y_ptr[index_slope_y] > 0 )
{
if(pressure_ptr[index_pressure] > 0)
{
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_y_ptr[index_slope_y]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dx * dt;
}
}
/*
Loop until going back outside of active area
*/
while( (j + 1 < iy + ny) && !(top_ptr[SubvectorEltIndex(top_subvector, i, j+1, 0)] < 0) )
{
j++;
}
/*
Found either domain boundary or outside of active area.
Compute runnoff if slope is running off of active region.
*/
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_slope_x = SubvectorEltIndex(slope_x_subvector, i, j, 0);
index_slope_y = SubvectorEltIndex(slope_y_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if( slope_y_ptr[index_slope_y] < 0 )
{
if(pressure_ptr[index_pressure] > 0)
{
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_y_ptr[index_slope_y]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dx * dt;
}
}
}
}
}
#endif
for(j = iy; j < iy + ny; j++)
{
i = ix - 1;
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
int k = (int)top_ptr[index_top];
if( k < 0 ) {
state = inactive;
} else {
state = active;
}
while( i < ix + nx) {
if( state == inactive) {
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
while( k < 0 && i <= ix + nx) {
i++;
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
}
// If still in interior
if( i < ix + nx) {
if ( k >=0 ) {
// inactive to active
index_slope_x = SubvectorEltIndex(slope_x_subvector, i, j, 0);
// sloping to inactive active from active
if( slope_x_ptr[index_slope_x] > 0) {
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if(pressure_ptr[index_pressure] > 0)
{
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_x_ptr[index_slope_x]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dy * dt;
}
}
}
state = active;
}
} else {
index_top = SubvectorEltIndex(top_subvector, i+1, j, 0);
k = (int)top_ptr[index_top];
while( k >= 0 && i <= ix + nx) {
i++;
index_top = SubvectorEltIndex(top_subvector, i+1, j, 0);
k = (int)top_ptr[index_top];
}
// If still in interior
if( i < ix + nx) {
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
// active to inactive
index_slope_x = SubvectorEltIndex(slope_x_subvector, i, j, 0);
// sloping from active to inactive
if( slope_x_ptr[index_slope_x] < 0) {
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if(pressure_ptr[index_pressure] > 0)
{
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_x_ptr[index_slope_x]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dy * dt;
}
}
}
state = inactive;
}
i++;
}
}
#if 0
for(j = iy; j < iy + ny; j++)
{
for(i = ix; i < ix + nx; i++)
{
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
int k = (int)top_ptr[index_top];
if ( !(k < 0))
{
/*
Compute runnoff if slope is running off of active region
*/
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_slope_x = SubvectorEltIndex(slope_x_subvector, i, j, 0);
index_slope_y = SubvectorEltIndex(slope_y_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if( slope_x_ptr[index_slope_x] > 0 )
{
if(pressure_ptr[index_pressure] > 0)
{
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_x_ptr[index_slope_y]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dy * dt;
}
}
/*
Loop until going back outside of active area
*/
while( (i + 1 < ix + nx) && !(top_ptr[SubvectorEltIndex(top_subvector, i+1, j, 0)] < 0) )
{
i++;
}
/*
Found either domain boundary or outside of active area.
Compute runnoff if slope is running off of active region.
*/
index_top = SubvectorEltIndex(top_subvector, i, j, 0);
k = (int)top_ptr[index_top];
index_overland_sum = SubvectorEltIndex(overland_sum_subvector, i, j, 0);
index_slope_x = SubvectorEltIndex(slope_x_subvector, i, j, 0);
index_slope_y = SubvectorEltIndex(slope_y_subvector, i, j, 0);
index_mannings = SubvectorEltIndex(mannings_subvector, i, j, 0);
index_pressure = SubvectorEltIndex(pressure_subvector, i, j, k);
if( slope_x_ptr[index_slope_x] < 0 )
{
if(pressure_ptr[index_pressure] > 0)
{
overland_sum_ptr[index_overland_sum] +=
(sqrt( fabs(slope_x_ptr[index_slope_x]) ) / mannings_ptr[index_mannings] ) *
pow(pressure_ptr[index_pressure], 5.0 / 3.0) * dy * dt;
}
}
}
}
}
#endif
}
}
}
}
}
void LBInitializeBC(
Lattice * lattice,
Problem * problem,
ProblemData *problem_data)
{
/*------------------------------------------------------------*
* Local variables
*------------------------------------------------------------*/
/* Lattice variables */
Grid *grid = (lattice->grid);
Vector *pressure = (lattice->pressure);
Vector *perm = (lattice->perm);
CharVector *cellType = (lattice->cellType);
double time = (lattice->t);
/* Structures */
BCPressureData *bc_pressure_data = ProblemDataBCPressureData(problem_data);
TimeCycleData *time_cycle_data;
SubgridArray *subgrids = GridSubgrids(grid);
GrGeomSolid *gr_domain;
/* Patch variables */
double ***values;
double *patch_values = NULL;
int *fdir;
/* Grid parameters */
Subgrid *subgrid;
int nx, ny, nz;
int ix, iy, iz;
int nx_v, ny_v, nz_v;
/* Indices and counters */
int num_patches;
int num_phases;
int ipatch, is, i, j, k, ival;
int cycle_number, interval_number;
int r;
/* Physical variables and coefficients */
Subvector *sub_p;
double *pp;
Subvector *sub_perm;
double *permp;
Subcharvector *sub_cellType;
char *cellTypep;
double rho_g;
/* Communications */
VectorUpdateCommHandle *handle;
/*--------------------------
* Initializations
*--------------------------*/
rho_g = ProblemGravity(problem) * RHO;
num_patches = BCPressureDataNumPatches(bc_pressure_data);
gr_domain = ProblemDataGrDomain(problem_data);
num_phases = BCPressureDataNumPhases(bc_pressure_data);
if (num_patches > 0)
{
time_cycle_data = BCPressureDataTimeCycleData(bc_pressure_data);
values = ctalloc(double **, num_patches);
for (ipatch = 0; ipatch < num_patches; ipatch++)
{
values[ipatch] = ctalloc(double *, SubgridArraySize(subgrids));
cycle_number = BCPressureDataCycleNumber(bc_pressure_data, ipatch);
interval_number = TimeCycleDataComputeIntervalNumber(problem, time,
time_cycle_data, cycle_number);
switch (BCPressureDataType(bc_pressure_data, ipatch))
{
case 0:
{
BCPressureType0 *bc_pressure_type0;
GeomSolid *ref_solid;
double z, dz2;
double **elevations;
int ref_patch, iel;
bc_pressure_type0 = (BCPressureType0*)BCPressureDataIntervalValue(
bc_pressure_data, ipatch, interval_number);
ref_solid = ProblemDataSolid(problem_data,
BCPressureType0RefSolid(bc_pressure_type0));
ref_patch = BCPressureType0RefPatch(bc_pressure_type0);
/* Calculate elevations at (x,y) points on reference patch. */
elevations = CalcElevations(ref_solid, ref_patch, subgrids, problem_data);
ForSubgridI(is, subgrids)
{
/* subgrid = GridSubgrid(grid, is); */
subgrid = SubgridArraySubgrid(subgrids, is);
sub_p = VectorSubvector(pressure, is);
sub_perm = VectorSubvector(perm, is);
sub_cellType = CharVectorSubcharvector(cellType, is);
nx = SubgridNX(subgrid);
ny = SubgridNY(subgrid);
nz = SubgridNZ(subgrid);
ix = SubgridIX(subgrid);
iy = SubgridIY(subgrid);
iz = SubgridIZ(subgrid);
/* RDF: assume resolution is the same in all 3 directions */
r = SubgridRX(subgrid);
pp = SubvectorData(sub_p);
permp = SubvectorData(sub_perm);
cellTypep = SubcharvectorData(sub_cellType);
nx_v = SubvectorNX(sub_p);
ny_v = SubvectorNY(sub_p);
nz_v = SubvectorNZ(sub_p);
values[ipatch][is] = patch_values;
dz2 = RealSpaceDZ(0) / 2.0;
GrGeomPatchLoop(i, j, k, fdir, gr_domain, ipatch,
r, ix, iy, iz, nx, ny, nz,
{
ival = SubvectorEltIndex(sub_p, i, j, k);
iel = (i - ix) + (j - iy) * nx;
z = RealSpaceZ(k, 0) + fdir[2] * dz2;
pp[ival] = BCPressureType0Value(bc_pressure_type0)
- rho_g * (z - elevations[is][iel]);
cellTypep[ival] = 0;
});
tfree(elevations[is]);
} /* End subgrid loop */
tfree(elevations);
break;
}
case 1:
{
BCPressureType1 *bc_pressure_type1;
int num_points;
double x, y, z, dx2, dy2, dz2;
double unitx, unity, line_min, line_length, xy, slope;
int ip;
bc_pressure_type1 = (BCPressureType1*)BCPressureDataIntervalValue(bc_pressure_data, ipatch, interval_number);
ForSubgridI(is, subgrids)
{
/* subgrid = GridSubgrid(grid, is); */
subgrid = SubgridArraySubgrid(subgrids, is);
sub_p = VectorSubvector(pressure, is);
sub_perm = VectorSubvector(perm, is);
sub_cellType = CharVectorSubcharvector(cellType, is);
nx = SubgridNX(subgrid);
ny = SubgridNY(subgrid);
nz = SubgridNZ(subgrid);
ix = SubgridIX(subgrid);
iy = SubgridIY(subgrid);
iz = SubgridIZ(subgrid);
/* RDF: assume resolution is the same in all 3 directions */
r = SubgridRX(subgrid);
pp = SubvectorData(sub_p);
permp = SubvectorData(sub_perm);
cellTypep = SubcharvectorData(sub_cellType);
nx_v = SubvectorNX(sub_p);
ny_v = SubvectorNY(sub_p);
nz_v = SubvectorNZ(sub_p);
values[ipatch][is] = patch_values;
dx2 = RealSpaceDX(0) / 2.0;
dy2 = RealSpaceDY(0) / 2.0;
dz2 = RealSpaceDZ(0) / 2.0;
/* compute unit direction vector for piecewise linear line */
unitx = BCPressureType1XUpper(bc_pressure_type1) - BCPressureType1XLower(bc_pressure_type1);
unity = BCPressureType1YUpper(bc_pressure_type1) - BCPressureType1YLower(bc_pressure_type1);
line_length = sqrt(unitx * unitx + unity * unity);
unitx /= line_length;
unity /= line_length;
line_min = BCPressureType1XLower(bc_pressure_type1) * unitx
+ BCPressureType1YLower(bc_pressure_type1) * unity;
GrGeomPatchLoop(i, j, k, fdir, gr_domain, ipatch,
r, ix, iy, iz, nx, ny, nz,
{
ival = SubvectorEltIndex(sub_p, i, j, k);
x = RealSpaceX(i, 0) + fdir[0] * dx2;
y = RealSpaceY(j, 0) + fdir[1] * dy2;
z = RealSpaceZ(k, 0) + fdir[2] * dz2;
/* project center of BC face onto piecewise line */
xy = (x * unitx + y * unity - line_min) / line_length;
/* find two neighboring points */
ip = 1;
/* Kludge; this needs to be fixed. */
num_points = 2;
for (; ip < (num_points - 1); ip++)
{
if (xy < BCPressureType1Point(bc_pressure_type1, ip))
break;
}
/* compute the slope */
slope = ((BCPressureType1Value(bc_pressure_type1, ip) - BCPressureType1Value(bc_pressure_type1, (ip - 1)))
/ (BCPressureType1Point(bc_pressure_type1, ip) - BCPressureType1Point(bc_pressure_type1, (ip - 1))));
pp[ival] = BCPressureType1Value(bc_pressure_type1, ip - 1)
+ slope * (xy - BCPressureType1Point(
bc_pressure_type1, ip - 1))
- rho_g * z;
cellTypep[ival] = 0;
});
} /* End subgrid loop */