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 BCPhaseSaturation(
Vector * saturation,
int phase,
GrGeomSolid *gr_domain)
{
PFModule *this_module = ThisPFModule;
PublicXtra *public_xtra = (PublicXtra*)PFModulePublicXtra(this_module);
Type0 *dummy0;
Type1 *dummy1;
Type2 *dummy2;
int num_patches = (public_xtra->num_patches);
int *patch_indexes = (public_xtra->patch_indexes);
int *input_types = (public_xtra->input_types);
int *bc_types = (public_xtra->bc_types);
Grid *grid = VectorGrid(saturation);
SubgridArray *subgrids = GridSubgrids(grid);
Subgrid *subgrid;
Subvector *sat_sub;
double *satp;
BCStruct *bc_struct;
int patch_index;
int nx_v, ny_v, nz_v;
int sx_v, sy_v, sz_v;
int *fdir;
int indx, ipatch, is, i, j, k, ival, iv, sv;
/*-----------------------------------------------------------------------
* Get an offset into the PublicXtra data
*-----------------------------------------------------------------------*/
indx = (phase * num_patches);
/*-----------------------------------------------------------------------
* Set up bc_struct with NULL values component
*-----------------------------------------------------------------------*/
bc_struct = NewBCStruct(subgrids, gr_domain,
num_patches, patch_indexes, bc_types, NULL);
/*-----------------------------------------------------------------------
* Implement BC's
*-----------------------------------------------------------------------*/
for (ipatch = 0; ipatch < num_patches; ipatch++)
{
patch_index = patch_indexes[ipatch];
ForSubgridI(is, subgrids)
{
subgrid = SubgridArraySubgrid(subgrids, is);
sat_sub = VectorSubvector(saturation, is);
nx_v = SubvectorNX(sat_sub);
ny_v = SubvectorNY(sat_sub);
nz_v = SubvectorNZ(sat_sub);
sx_v = 1;
sy_v = nx_v;
sz_v = ny_v * nx_v;
satp = SubvectorData(sat_sub);
switch (input_types[indx + ipatch])
{
case 0:
{
double constant;
dummy0 = (Type0*)(public_xtra->data[indx + ipatch]);
constant = (dummy0->constant);
BCStructPatchLoop(i, j, k, fdir, ival, bc_struct, ipatch, is,
{
sv = 0;
if (fdir[0])
sv = fdir[0] * sx_v;
else if (fdir[1])
sv = fdir[1] * sy_v;
else if (fdir[2])
sv = fdir[2] * sz_v;
iv = SubvectorEltIndex(sat_sub, i, j, k);
satp[iv ] = constant;
satp[iv + sv] = constant;
satp[iv + 2 * sv] = constant;
});
break;
}
case 1:
{
double height;
double lower;
double upper;
double z, dz2;
dummy1 = (Type1*)(public_xtra->data[indx + ipatch]);
height = (dummy1->height);
lower = (dummy1->lower);
upper = (dummy1->upper);
dz2 = SubgridDZ(subgrid) / 2.0;
BCStructPatchLoop(i, j, k, fdir, ival, bc_struct, ipatch, is,
{
sv = 0;
if (fdir[0])
sv = fdir[0] * sx_v;
else if (fdir[1])
sv = fdir[1] * sy_v;
else if (fdir[2])
sv = fdir[2] * sz_v;
iv = SubvectorEltIndex(sat_sub, i, j, k);
z = RealSpaceZ(k, SubgridRZ(subgrid)) + fdir[2] * dz2;
if (z <= height)
{
satp[iv ] = lower;
satp[iv + sv] = lower;
satp[iv + 2 * sv] = lower;
}
else
{
satp[iv ] = upper;
satp[iv + sv] = upper;
satp[iv + 2 * sv] = upper;
}
});
break;
}
case 2:
{
int ip, num_points;
double *point;
double *height;
double lower;
double upper;
double x, y, z, dx2, dy2, dz2;
double unitx, unity, line_min, line_length, xy, slope;
double interp_height;
dummy2 = (Type2*)(public_xtra->data[indx + ipatch]);
num_points = (dummy2->num_points);
point = (dummy2->point);
height = (dummy2->height);
lower = (dummy2->lower);
upper = (dummy2->upper);
dx2 = SubgridDX(subgrid) / 2.0;
dy2 = SubgridDY(subgrid) / 2.0;
dz2 = SubgridDZ(subgrid) / 2.0;
/* compute unit direction vector for piecewise linear line */
unitx = (dummy2->xupper) - (dummy2->xlower);
unity = (dummy2->yupper) - (dummy2->ylower);
line_length = sqrt(unitx * unitx + unity * unity);
unitx /= line_length;
unity /= line_length;
line_min = (dummy2->xlower) * unitx + (dummy2->ylower) * unity;
BCStructPatchLoop(i, j, k, fdir, ival, bc_struct, ipatch, is,
{
sv = 0;
if (fdir[0])
sv = fdir[0] * sx_v;
else if (fdir[1])
sv = fdir[1] * sy_v;
else if (fdir[2])
sv = fdir[2] * sz_v;
iv = SubvectorEltIndex(sat_sub, i, j, k);
x = RealSpaceX(i, SubgridRX(subgrid)) + fdir[0] * dx2;
y = RealSpaceY(j, SubgridRY(subgrid)) + fdir[1] * dy2;
z = RealSpaceZ(k, SubgridRZ(subgrid)) + fdir[2] * dz2;
/* project center of BC face onto piecewise linear line */
xy = x * unitx + y * unity;
xy = (xy - line_min) / line_length;
/* find two neighboring points */
ip = 1;
for (; ip < (num_points - 1); ip++)
{
if (xy < point[ip])
break;
}
/* compute the slope */
slope = ((height[ip] - height[ip - 1]) /
(point[ip] - point[ip - 1]));
interp_height = height[ip - 1] + slope * (xy - point[ip - 1]);
if (z <= interp_height)
{
satp[iv ] = lower;
satp[iv + sv] = lower;
satp[iv + 2 * sv] = lower;
}
else
{
satp[iv ] = upper;
satp[iv + sv] = upper;
satp[iv + 2 * sv] = upper;
}
});
break;
}