LBPM/analysis/morphology.cpp
2023-10-23 04:18:20 -04:00

977 lines
37 KiB
C++

/*
Copyright 2013--2018 James E. McClure, Virginia Polytechnic & State University
Copyright Equnior ASA
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <analysis/morphology.h>
// Implementation of morphological opening routine
inline void PackID(const int *list, int count, signed char *sendbuf,
signed char *ID) {
// Fill in the phase ID values from neighboring processors
// This packs up the values that need to be sent from one processor to another
int idx, n;
for (idx = 0; idx < count; idx++) {
n = list[idx];
sendbuf[idx] = ID[n];
}
}
//***************************************************************************************
inline void UnpackID(const int *list, int count, signed char *recvbuf,
signed char *ID) {
// Fill in the phase ID values from neighboring processors
// This unpacks the values once they have been recieved from neighbors
int idx, n;
for (idx = 0; idx < count; idx++) {
n = list[idx];
ID[n] = recvbuf[idx];
}
}
Morphology::Morphology() {
/* MPI tags*/
sendtag = recvtag = 1381;
}
Morphology::~Morphology() {}
void Morphology::Initialize(std::shared_ptr<Domain> Dm, DoubleArray &Distance) {
/* Loop over all faces and determine overlaps */
size_t Nx = Dm->Nx;
size_t Ny = Dm->Ny;
size_t Nz = Dm->Nz;
size_t N = Nx * Ny * Nz;
int *tmpShift_x, *tmpShift_y, *tmpShift_z;
double *tmpDistance;
tmpShift_x = new int[N];
tmpShift_y = new int[N];
tmpShift_z = new int[N];
tmpDistance = new double[N];
double distance, boundary_distance;
/* Loop over the local sub-domain and create overlap lists for each neighboring sub-domain */
int sendLoc = 0; // counter for the local sub-domain send values
int recvLoc = 0; // counter for the local recv
//...................................................
/* x face */
sendCount = recvCount = 0;
for (size_t k = 1; k < Nz - 1; k++) {
for (size_t j = 1; j < Ny - 1; j++) {
for (size_t i = 1; i < Nx - 1; i++) {
distance = Distance(i, j, k);
// Distance to x boundary
boundary_distance = double(i - 1);
if (distance > boundary_distance) {
tmpShift_x[sendCount] = Nx + i - 2;
tmpShift_y[sendCount] = j;
tmpShift_z[sendCount] = k;
tmpDistance[sendCount++] = distance;
int n = k * Nx * Ny + j * Nx + i;
sendID.push_back(n);
}
}
}
}
Dm->Comm.Irecv(&recvCount, 1, Dm->rank_X(), recvtag + 0);
Dm->Comm.send(&sendCount, 1, Dm->rank_x(), sendtag + 0);
Dm->Comm.barrier();
sendOffset_x = sendLoc;
recvOffset_X = recvLoc;
sendLoc += sendCount;
recvLoc += recvCount;
sendCount_x = sendCount;
recvCount_X = recvCount;
/* grow the arrays */
xShift.resize(recvLoc);
yShift.resize(recvLoc);
zShift.resize(recvLoc);
morphRadius.resize(recvLoc);
//..............................
/* send the morphological radius */
Dm->Comm.Irecv(&morphRadius[recvOffset_X], recvCount, Dm->rank_X(),
recvtag + 0);
Dm->Comm.send(&tmpDistance[0], sendCount, Dm->rank_x(), sendtag + 0);
/* send the shift values */
Dm->Comm.Irecv(&xShift[recvOffset_X], recvCount, Dm->rank_X(), recvtag + 1);
Dm->Comm.send(&tmpShift_x[0], sendCount, Dm->rank_x(), sendtag + 1);
Dm->Comm.Irecv(&yShift[recvOffset_X], recvCount, Dm->rank_X(), recvtag + 2);
Dm->Comm.send(&tmpShift_y[0], sendCount, Dm->rank_x(), sendtag + 2);
Dm->Comm.Irecv(&zShift[recvOffset_X], recvCount, Dm->rank_X(), recvtag + 3);
Dm->Comm.send(&tmpShift_z[0], sendCount, Dm->rank_x(), sendtag + 3);
Dm->Comm.barrier();
//...................................................
//...................................................
/* X face */
sendCount = recvCount = 0;
for (size_t k = 1; k < Nz - 1; k++) {
for (size_t j = 1; j < Ny - 1; j++) {
for (size_t i = 1; i < Nx - 1; i++) {
distance = Distance(i, j, k);
// Distance to x boundary
boundary_distance = double(Nx - i - 1);
if (distance > boundary_distance) {
tmpShift_x[sendCount] = (i) - (Nx - 2);
tmpShift_y[sendCount] = j;
tmpShift_z[sendCount] = k;
tmpDistance[sendCount++] = distance;
int n = k * Nx * Ny + j * Nx + i;
sendID.push_back(n);
}
}
}
}
Dm->Comm.Irecv(&recvCount, 1, Dm->rank_x(), recvtag + 0);
Dm->Comm.send(&sendCount, 1, Dm->rank_X(), sendtag + 0);
Dm->Comm.barrier();
sendOffset_X = sendLoc;
recvOffset_x = recvLoc;
sendLoc += sendCount;
recvLoc += recvCount;
sendCount_X = sendCount;
recvCount_x = recvCount;
/* grow the arrays */
xShift.resize(recvLoc);
yShift.resize(recvLoc);
zShift.resize(recvLoc);
morphRadius.resize(recvLoc);
//..............................
/* send the morphological radius */
Dm->Comm.Irecv(&morphRadius[recvOffset_x], recvCount, Dm->rank_x(),
recvtag + 0);
Dm->Comm.send(&tmpDistance[0], sendCount, Dm->rank_X(), sendtag + 0);
/* send the shift values */
Dm->Comm.Irecv(&xShift[recvOffset_x], recvCount, Dm->rank_x(), recvtag + 1);
Dm->Comm.send(&tmpShift_x[0], sendCount, Dm->rank_X(), sendtag + 1);
Dm->Comm.Irecv(&yShift[recvOffset_x], recvCount, Dm->rank_x(), recvtag + 2);
Dm->Comm.send(&tmpShift_y[0], sendCount, Dm->rank_X(), sendtag + 2);
Dm->Comm.Irecv(&zShift[recvOffset_x], recvCount, Dm->rank_x(), recvtag + 3);
Dm->Comm.send(&tmpShift_z[0], sendCount, Dm->rank_X(), sendtag + 3);
Dm->Comm.barrier();
//...................................................
//...................................................
/* y face */
sendCount = recvCount = 0;
for (size_t k = 1; k < Nz - 1; k++) {
for (size_t j = 1; j < Ny - 1; j++) {
for (size_t i = 1; i < Nx - 1; i++) {
distance = Distance(i, j, k);
// Distance to y boundary
boundary_distance = double(j - 1);
if (distance > boundary_distance) {
tmpShift_x[sendCount] = i;
tmpShift_y[sendCount] = Ny + j - 2;
tmpShift_z[sendCount] = k;
tmpDistance[sendCount++] = distance;
int n = k * Nx * Ny + j * Nx + i;
sendID.push_back(n);
}
}
}
}
Dm->Comm.Irecv(&recvCount, 1, Dm->rank_Y(), recvtag + 0);
Dm->Comm.send(&sendCount, 1, Dm->rank_y(), sendtag + 0);
Dm->Comm.barrier();
sendOffset_y = sendLoc;
recvOffset_Y = recvLoc;
sendLoc += sendCount;
recvLoc += recvCount;
sendCount_y = sendCount;
recvCount_Y = recvCount;
/* grow the arrays */
xShift.resize(recvLoc);
yShift.resize(recvLoc);
zShift.resize(recvLoc);
morphRadius.resize(recvLoc);
//..............................
/* send the morphological radius */
Dm->Comm.Irecv(&morphRadius[recvOffset_Y], recvCount, Dm->rank_Y(),
recvtag + 0);
Dm->Comm.send(&tmpDistance[0], sendCount, Dm->rank_y(), sendtag + 0);
/* send the shift values */
Dm->Comm.Irecv(&xShift[recvOffset_Y], recvCount, Dm->rank_Y(), recvtag + 1);
Dm->Comm.send(&tmpShift_x[0], sendCount, Dm->rank_y(), sendtag + 1);
Dm->Comm.Irecv(&yShift[recvOffset_Y], recvCount, Dm->rank_Y(), recvtag + 2);
Dm->Comm.send(&tmpShift_y[0], sendCount, Dm->rank_y(), sendtag + 2);
Dm->Comm.Irecv(&zShift[recvOffset_Y], recvCount, Dm->rank_Y(), recvtag + 3);
Dm->Comm.send(&tmpShift_z[0], sendCount, Dm->rank_y(), sendtag + 3);
Dm->Comm.barrier();
//...................................................
//...................................................
/* X face */
sendCount = recvCount = 0;
for (size_t k = 1; k < Nz - 1; k++) {
for (size_t j = 1; j < Ny - 1; j++) {
for (size_t i = 1; i < Nx - 1; i++) {
distance = Distance(i, j, k);
// Distance to x boundary
boundary_distance = double(Ny - j - 1);
if (distance > boundary_distance) {
tmpShift_x[sendCount] = i;
tmpShift_y[sendCount] = j - (Ny - 2);
tmpShift_z[sendCount] = k;
tmpDistance[sendCount++] = distance;
int n = k * Nx * Ny + j * Nx + i;
sendID.push_back(n);
}
}
}
}
Dm->Comm.Irecv(&recvCount, 1, Dm->rank_y(), recvtag + 0);
Dm->Comm.send(&sendCount, 1, Dm->rank_Y(), sendtag + 0);
Dm->Comm.barrier();
sendOffset_Y = sendLoc;
recvOffset_y = recvLoc;
sendLoc += sendCount;
recvLoc += recvCount;
sendCount_Y = sendCount;
recvCount_y = recvCount;
/* grow the arrays */
xShift.resize(recvLoc);
yShift.resize(recvLoc);
zShift.resize(recvLoc);
morphRadius.resize(recvLoc);
//..............................
/* send the morphological radius */
Dm->Comm.Irecv(&morphRadius[recvOffset_y], recvCount, Dm->rank_y(),
recvtag + 0);
Dm->Comm.send(&tmpDistance[0], sendCount, Dm->rank_Y(), sendtag + 0);
/* send the shift values */
Dm->Comm.Irecv(&xShift[recvOffset_y], recvCount, Dm->rank_y(), recvtag + 1);
Dm->Comm.send(&tmpShift_x[0], sendCount, Dm->rank_Y(), sendtag + 1);
Dm->Comm.Irecv(&yShift[recvOffset_y], recvCount, Dm->rank_y(), recvtag + 2);
Dm->Comm.send(&tmpShift_y[0], sendCount, Dm->rank_Y(), sendtag + 2);
Dm->Comm.Irecv(&zShift[recvOffset_y], recvCount, Dm->rank_y(), recvtag + 3);
Dm->Comm.send(&tmpShift_z[0], sendCount, Dm->rank_Y(), sendtag + 3);
Dm->Comm.barrier();
//...................................................
//...................................................
/* z face */
sendCount = recvCount = 0;
for (size_t k = 1; k < Nz - 1; k++) {
for (size_t j = 1; j < Ny - 1; j++) {
for (size_t i = 1; i < Nx - 1; i++) {
distance = Distance(i, j, k);
// Distance to z boundary
boundary_distance = double(k - 1);
if (distance > boundary_distance) {
tmpShift_x[sendCount] = i;
tmpShift_y[sendCount] = j;
tmpShift_z[sendCount] = (Nz - 2) + k;
tmpDistance[sendCount++] = distance;
int n = k * Nx * Ny + j * Nx + i;
sendID.push_back(n);
}
}
}
}
Dm->Comm.Irecv(&recvCount, 1, Dm->rank_Z(), recvtag + 0);
Dm->Comm.send(&sendCount, 1, Dm->rank_z(), sendtag + 0);
Dm->Comm.barrier();
sendOffset_z = sendLoc;
recvOffset_Z = recvLoc;
sendLoc += sendCount;
recvLoc += recvCount;
sendCount_z = sendCount;
recvCount_Z = recvCount;
/* grow the arrays */
xShift.resize(recvLoc);
yShift.resize(recvLoc);
zShift.resize(recvLoc);
morphRadius.resize(recvLoc);
//..............................
/* send the morphological radius */
Dm->Comm.Irecv(&morphRadius[recvOffset_Z], recvCount, Dm->rank_Z(),
recvtag + 0);
Dm->Comm.send(&tmpDistance[0], sendCount, Dm->rank_z(), sendtag + 0);
/* send the shift values */
Dm->Comm.Irecv(&xShift[recvOffset_Z], recvCount, Dm->rank_Z(), recvtag + 1);
Dm->Comm.send(&tmpShift_x[0], sendCount, Dm->rank_z(), sendtag + 1);
Dm->Comm.Irecv(&yShift[recvOffset_Z], recvCount, Dm->rank_Z(), recvtag + 2);
Dm->Comm.send(&tmpShift_y[0], sendCount, Dm->rank_z(), sendtag + 2);
Dm->Comm.Irecv(&zShift[recvOffset_Z], recvCount, Dm->rank_Z(), recvtag + 3);
Dm->Comm.send(&tmpShift_z[0], sendCount, Dm->rank_z(), sendtag + 3);
Dm->Comm.barrier();
//...................................................
/* Z face */
sendCount = recvCount = 0;
for (size_t k = 1; k < Nz - 1; k++) {
for (size_t j = 1; j < Ny - 1; j++) {
for (size_t i = 1; i < Nx - 1; i++) {
distance = Distance(i, j, k);
// Distance to x boundary
boundary_distance = double(Nz - k - 1);
if (distance > boundary_distance) {
tmpShift_x[sendCount] = i;
tmpShift_y[sendCount] = j;
tmpShift_z[sendCount] = k - (Nz - 2);
tmpDistance[sendCount++] = distance;
int n = k * Nx * Ny + j * Nx + i;
sendID.push_back(n);
}
}
}
}
Dm->Comm.Irecv(&recvCount, 1, Dm->rank_z(), recvtag + 0);
Dm->Comm.send(&sendCount, 1, Dm->rank_Z(), sendtag + 0);
Dm->Comm.barrier();
sendOffset_Z = sendLoc;
recvOffset_z = recvLoc;
sendLoc += sendCount;
recvLoc += recvCount;
sendCount_Z = sendCount;
recvCount_z = recvCount;
/* grow the arrays */
xShift.resize(recvLoc);
yShift.resize(recvLoc);
zShift.resize(recvLoc);
morphRadius.resize(recvLoc);
//..............................
/* send the morphological radius */
Dm->Comm.Irecv(&morphRadius[recvOffset_z], recvCount, Dm->rank_z(),
recvtag + 0);
Dm->Comm.send(&tmpDistance[0], sendCount, Dm->rank_Z(), sendtag + 0);
/* send the shift values */
Dm->Comm.Irecv(&xShift[recvOffset_z], recvCount, Dm->rank_z(), recvtag + 1);
Dm->Comm.send(&tmpShift_x[0], sendCount, Dm->rank_Z(), sendtag + 1);
Dm->Comm.Irecv(&yShift[recvOffset_z], recvCount, Dm->rank_z(), recvtag + 2);
Dm->Comm.send(&tmpShift_y[0], sendCount, Dm->rank_Z(), sendtag + 2);
Dm->Comm.Irecv(&zShift[recvOffset_z], recvCount, Dm->rank_z(), recvtag + 3);
Dm->Comm.send(&tmpShift_z[0], sendCount, Dm->rank_Z(), sendtag + 3);
Dm->Comm.barrier();
//...................................................
/* resize the send / recv lists */
sendCount = sendLoc;
recvCount = recvLoc;
sendList.resize(sendLoc);
recvList.resize(recvLoc);
localID.resize(sendCount);
nonlocalID.resize(recvCount);
/*printf(" offset %i for send (x) %i \n", sendOffset_x, sendCount_x);
printf(" offset %i for send (X) %i \n", sendOffset_X, sendCount_X);
printf(" offset %i for send (y) %i \n", sendOffset_y, sendCount_y);
printf(" offset %i for send (Y) %i \n", sendOffset_Y, sendCount_Y);
printf(" offset %i for send (z) %i \n", sendOffset_z, sendCount_z);
printf(" offset %i for send (Z) %i \n", sendOffset_Z, sendCount_Z);
*/
}
int Morphology::GetOverlaps(std::shared_ptr<Domain> Dm, signed char *id,
const signed char ErodeLabel,
const signed char NewLabel) {
int Nx = Dm->Nx;
int Ny = Dm->Ny;
int Nz = Dm->Nz;
int LocalNumber = 0;
int i, j, k, ii, jj, kk;
int imin, jmin, kmin, imax, jmax, kmax;
for (int idx = 0; idx < sendCount; idx++) {
int n = sendID[idx];
localID[idx] = id[n];
}
//printf("send x -- offset: %i, count: %i \n",sendOffset_x,sendCount_x);
Dm->Comm.Irecv(&nonlocalID[recvOffset_X], recvCount_X, Dm->rank_x(),
recvtag + 2);
Dm->Comm.send(&localID[sendOffset_x], sendCount_x, Dm->rank_X(),
sendtag + 2);
//printf("send X \n");
Dm->Comm.Irecv(&nonlocalID[recvOffset_x], recvCount_x, Dm->rank_X(),
recvtag + 3);
Dm->Comm.send(&localID[sendOffset_X], sendCount_X, Dm->rank_x(),
sendtag + 3);
//printf("send y \n");
Dm->Comm.Irecv(&nonlocalID[recvOffset_Y], recvCount_Y, Dm->rank_y(),
recvtag + 4);
Dm->Comm.send(&localID[sendOffset_y], sendCount_y, Dm->rank_Y(),
sendtag + 4);
//printf("send Y \n");
Dm->Comm.Irecv(&nonlocalID[recvOffset_y], recvCount_y, Dm->rank_Y(),
recvtag + 5);
Dm->Comm.send(&localID[sendOffset_Y], sendCount_Y, Dm->rank_y(),
sendtag + 5);
//printf("send z \n");
Dm->Comm.Irecv(&nonlocalID[recvOffset_Z], recvCount_Z, Dm->rank_z(),
recvtag + 6);
Dm->Comm.send(&localID[sendOffset_z], sendCount_z, Dm->rank_Z(),
sendtag + 6);
//printf("send Z \n");
Dm->Comm.Irecv(&nonlocalID[recvOffset_z], recvCount_z, Dm->rank_Z(),
recvtag + 7);
Dm->Comm.send(&localID[sendOffset_Z], sendCount_Z, Dm->rank_z(),
sendtag + 7);
for (int idx = 0; idx < recvCount; idx++) {
double radius = morphRadius[idx];
signed char label = nonlocalID[idx];
/* get the neighboring site index */
i = xShift[idx];
j = yShift[idx];
k = zShift[idx];
int Window = int(radius);
// loop over the window and update
if (label == NewLabel) {
imin = max(1, i - Window);
jmin = max(1, j - Window);
kmin = max(1, k - Window);
imax = min(Nx - 1, i + Window);
jmax = min(Ny - 1, j + Window);
kmax = min(Nz - 1, k + Window);
for (kk = kmin; kk < kmax; kk++) {
for (jj = jmin; jj < jmax; jj++) {
for (ii = imin; ii < imax; ii++) {
int nn = kk * Nx * Ny + jj * Nx + ii;
double dsq =
double((ii - i) * (ii - i) + (jj - j) * (jj - j) +
(kk - k) * (kk - k));
if (id[nn] == ErodeLabel && dsq <= radius * radius) {
LocalNumber += 1.0;
id[nn] = NewLabel;
}
}
}
}
}
}
Dm->Comm.barrier();
return LocalNumber;
}
//***************************************************************************************
double MorphOpen(DoubleArray &SignDist, signed char *id,
std::shared_ptr<Domain> Dm, double VoidFraction,
signed char ErodeLabel, signed char NewLabel) {
// SignDist is the distance to the object that you want to constaing the morphological opening
// VoidFraction is the the empty space where the object inst
// id is a labeled map
// Dm contains information about the domain structure
int nx = Dm->Nx;
int ny = Dm->Ny;
int nz = Dm->Nz;
int nprocx = Dm->nprocx();
int nprocy = Dm->nprocy();
int nprocz = Dm->nprocz();
int rank = Dm->rank();
int n;
double final_void_fraction;
double count, countGlobal, totalGlobal;
count = 0.f;
double maxdist = -200.f;
double maxdistGlobal;
for (int k = 1; k < nz - 1; k++) {
for (int j = 1; j < ny - 1; j++) {
for (int i = 1; i < nx - 1; i++) {
n = k * nx * ny + j * nx + i;
// extract maximum distance for critical radius
if (SignDist(i, j, k) > maxdist)
maxdist = SignDist(i, j, k);
if (id[n] == ErodeLabel) {
count += 1.0;
//id[n] = 2;
}
}
}
}
Dm->Comm.barrier();
Morphology Structure;
Structure.Initialize(Dm, SignDist);
// total Global is the number of nodes in the pore-space
totalGlobal = Dm->Comm.sumReduce(count);
maxdistGlobal = Dm->Comm.sumReduce(maxdist);
double volume = double(nprocx * nprocy * nprocz) * double(nx - 2) *
double(ny - 2) * double(nz - 2);
double volume_fraction = totalGlobal / volume;
if (rank == 0)
printf("Volume fraction for morphological opening: %f \n",
volume_fraction);
if (rank == 0)
printf("Maximum pore size: %f \n", maxdistGlobal);
final_void_fraction = volume_fraction; //initialize
int ii, jj, kk;
int imin, jmin, kmin, imax, jmax, kmax;
int Nx = nx;
int Ny = ny;
int Nz = nz;
double void_fraction_old = 1.0;
double void_fraction_new = 1.0;
double void_fraction_diff_old = 1.0;
double void_fraction_diff_new = 1.0;
if (ErodeLabel == 1) {
VoidFraction = 1.0 - VoidFraction;
}
// Increase the critical radius until the target saturation is met
double deltaR = 0.05; // amount to change the radius in voxel units
double Rcrit_old = maxdistGlobal;
double Rcrit_new = maxdistGlobal;
int numTry = 0;
int maxTry = 100;
while (!(void_fraction_new < VoidFraction) && numTry < maxTry) {
numTry++;
void_fraction_diff_old = void_fraction_diff_new;
void_fraction_old = void_fraction_new;
Rcrit_old = Rcrit_new;
Rcrit_new -= deltaR * Rcrit_old;
if (rank == 0)
printf("Try %i with radius %f \n", numTry, Rcrit_new);
if (Rcrit_new < 0.5) {
numTry = maxTry;
}
int Window = round(Rcrit_new);
if (Window == 0)
Window =
1; // If Window = 0 at the begining, after the following process will have sw=1.0
// and sw<Sw will be immediately broken
double LocalNumber = 0.f;
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
n = k * nx * ny + j * nx + i;
if (SignDist(i, j, k) > Rcrit_new) {
// loop over the window and update
//printf("Distance(%i %i %i) = %f \n",i,j,k, SignDist(i,j,k));
imin = max(1, i - Window);
jmin = max(1, j - Window);
kmin = max(1, k - Window);
imax = min(Nx - 1, i + Window);
jmax = min(Ny - 1, j + Window);
kmax = min(Nz - 1, k + Window);
for (kk = kmin; kk < kmax; kk++) {
for (jj = jmin; jj < jmax; jj++) {
for (ii = imin; ii < imax; ii++) {
int nn = kk * nx * ny + jj * nx + ii;
double dsq = double((ii - i) * (ii - i) +
(jj - j) * (jj - j) +
(kk - k) * (kk - k));
if (id[nn] == ErodeLabel &&
dsq <= Rcrit_new * Rcrit_new) {
LocalNumber += 1.0;
id[nn] = NewLabel;
}
}
}
}
}
// move on
}
}
}
//LocalNumber += Structure.GetOverlaps(Dm, id, ErodeLabel, NewLabel);
count = 0.f;
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
n = k * Nx * Ny + j * Nx + i;
if (id[n] == ErodeLabel) {
count += 1.0;
}
}
}
}
countGlobal = Dm->Comm.sumReduce(count);
void_fraction_new = countGlobal / totalGlobal;
void_fraction_diff_new = abs(void_fraction_new - VoidFraction);
if (rank == 0) {
printf(" %f ", void_fraction_new);
printf(" %f\n", Rcrit_new);
}
}
if (void_fraction_diff_new < void_fraction_diff_old) {
final_void_fraction = void_fraction_new;
if (rank == 0) {
printf("Final void fraction =%f\n", void_fraction_new);
printf("Final critical radius=%f\n", Rcrit_new);
}
} else {
final_void_fraction = void_fraction_old;
if (rank == 0) {
printf("Final void fraction=%f\n", void_fraction_old);
printf("Final critical radius=%f\n", Rcrit_old);
}
}
return final_void_fraction;
}
//***************************************************************************************
double MorphDrain(DoubleArray &SignDist, signed char *id,
std::shared_ptr<Domain> Dm, double VoidFraction,
double InitialRadius) {
// SignDist is the distance to the object that you want to constaing the morphological opening
// VoidFraction is the the empty space where the object inst
// id is a labeled map
// Dm contains information about the domain structure
signed char ErodeLabel = 2;
signed char NewLabel = 1;
int nx = Dm->Nx;
int ny = Dm->Ny;
int nz = Dm->Nz;
int nprocx = Dm->nprocx();
int nprocy = Dm->nprocy();
int nprocz = Dm->nprocz();
int rank = Dm->rank();
DoubleArray phase(nx, ny, nz);
IntArray phase_label(nx, ny, nz);
Array<char> ID(nx, ny, nz);
fillHalo<char> fillChar(Dm->Comm, Dm->rank_info, {nx - 2, ny - 2, nz - 2},
{1, 1, 1}, 0, 1);
Morphology Structure;
Structure.Initialize(Dm, SignDist);
int n;
double final_void_fraction;
double count, countGlobal, totalGlobal;
count = 0.f;
double maxdist = -200.f;
double maxdistGlobal;
for (int k = 1; k < nz - 1; k++) {
for (int j = 1; j < ny - 1; j++) {
for (int i = 1; i < nx - 1; i++) {
n = k * nx * ny + j * nx + i;
// extract maximum distance for critical radius
if (SignDist(i, j, k) > maxdist)
maxdist = SignDist(i, j, k);
if (SignDist(i, j, k) > 0.0) {
count += 1.0;
id[n] = ErodeLabel;
}
ID(i, j, k) = id[n];
}
}
}
fillChar.fill(ID);
Dm->Comm.barrier();
// total Global is the number of nodes in the pore-space
totalGlobal = Dm->Comm.sumReduce(count);
maxdistGlobal = Dm->Comm.sumReduce(maxdist);
double volume = double(nprocx * nprocy * nprocz) * double(nx - 2) *
double(ny - 2) * double(nz - 2);
double volume_fraction = totalGlobal / volume;
if (rank == 0)
printf("Volume fraction for morphological opening: %f \n",
volume_fraction);
if (rank == 0)
printf("Maximum pore size: %f \n", maxdistGlobal);
int ii, jj, kk;
int imin, jmin, kmin, imax, jmax, kmax;
int Nx = nx;
int Ny = ny;
int Nz = nz;
double void_fraction_old = 1.0;
double void_fraction_new = 1.0;
double void_fraction_diff_old = 1.0;
double void_fraction_diff_new = 1.0;
// Increase the critical radius until the target saturation is met
double deltaR = 0.05; // amount to change the radius in voxel units
double Rcrit_old = maxdistGlobal;
double Rcrit_new = maxdistGlobal;
if (InitialRadius < maxdistGlobal) {
Rcrit_old = InitialRadius;
Rcrit_new = InitialRadius;
}
//if (argc>2){
// Rcrit_new = strtod(argv[2],NULL);
// if (rank==0) printf("Max. distance =%f, Initial critical radius = %f \n",maxdistGlobal,Rcrit_new);
//}
Dm->Comm.barrier();
FILE *DRAIN = fopen("morphdrain.csv", "w");
fprintf(DRAIN, "sw radius\n");
while (void_fraction_new > VoidFraction && Rcrit_new > 0.5) {
void_fraction_diff_old = void_fraction_diff_new;
void_fraction_old = void_fraction_new;
Rcrit_old = Rcrit_new;
Rcrit_new -= deltaR * Rcrit_old;
int Window = round(Rcrit_new);
if (Window == 0)
Window =
1; // If Window = 0 at the begining, after the following process will have sw=1.0
// and sw<Sw will be immediately broken
double LocalNumber = 0.f;
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
n = k * nx * ny + j * nx + i;
if (SignDist(i, j, k) > Rcrit_new) {
// loop over the window and update
imin = max(1, i - Window);
jmin = max(1, j - Window);
kmin = max(1, k - Window);
imax = min(Nx - 1, i + Window);
jmax = min(Ny - 1, j + Window);
kmax = min(Nz - 1, k + Window);
for (kk = kmin; kk < kmax; kk++) {
for (jj = jmin; jj < jmax; jj++) {
for (ii = imin; ii < imax; ii++) {
double dsq = double((ii - i) * (ii - i) +
(jj - j) * (jj - j) +
(kk - k) * (kk - k));
if (ID(ii, jj, kk) == ErodeLabel &&
dsq <=
(Rcrit_new + 1) * (Rcrit_new + 1)) {
LocalNumber += 1.0;
//id[nn]=1;
ID(ii, jj, kk) = NewLabel;
id[kk * Nx * Ny + jj * Nx + ii] =
NewLabel;
}
}
}
}
}
// move on
}
}
}
LocalNumber += Structure.GetOverlaps(Dm, id, ErodeLabel, NewLabel);
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
ID(i, j, k) = id[k * Nx * Ny + j * Nx + i];
}
}
}
fillChar.fill(ID);
Dm->Comm.barrier();
for (int k = 0; k < nz; k++) {
for (int j = 0; j < ny; j++) {
for (int i = 0; i < nx; i++) {
if (ID(i, j, k) == NewLabel) {
phase(i, j, k) = 1.0;
} else
phase(i, j, k) = -1.0;
}
}
}
// Extract only the connected part of NWP
double vF = 0.0;
double vS = 0.0;
ComputeGlobalBlobIDs(nx - 2, ny - 2, nz - 2, Dm->rank_info, phase,
SignDist, vF, vS, phase_label, Dm->Comm);
Dm->Comm.barrier();
for (int k = 0; k < nz; k++) {
for (int j = 0; j < ny; j++) {
for (int i = 0; i < nx; i++) {
n = k * nx * ny + j * nx + i;
if (ID(i, j, k) == 1 && phase_label(i, j, k) > 1) {
ID(i, j, k) = ErodeLabel;
}
id[n] = ID(i, j, k);
}
}
}
count = 0.f;
for (int k = 1; k < nz - 1; k++) {
for (int j = 1; j < ny - 1; j++) {
for (int i = 1; i < nx - 1; i++) {
n = k * nx * ny + j * nx + i;
if (id[n] > 1) {
count += 1.0;
}
}
}
}
countGlobal = Dm->Comm.sumReduce(count);
void_fraction_new = countGlobal / totalGlobal;
void_fraction_diff_new = abs(void_fraction_new - VoidFraction);
if (rank == 0) {
fprintf(DRAIN, "%f ", void_fraction_new);
fprintf(DRAIN, "%f\n", Rcrit_new);
printf(" %f ", void_fraction_new);
printf(" %f\n", Rcrit_new);
}
}
if (void_fraction_diff_new < void_fraction_diff_old) {
final_void_fraction = void_fraction_new;
if (rank == 0) {
printf("Final void fraction =%f\n", void_fraction_new);
printf("Final critical radius=%f\n", Rcrit_new);
}
} else {
final_void_fraction = void_fraction_old;
if (rank == 0) {
printf("Final void fraction=%f\n", void_fraction_old);
printf("Final critical radius=%f\n", Rcrit_old);
}
}
// label all WP components as 2
for (int k = 1; k < nz - 1; k++) {
for (int j = 1; j < ny - 1; j++) {
for (int i = 1; i < nx - 1; i++) {
n = k * nx * ny + j * nx + i;
if (id[n] > 1) {
id[n] = 2;
}
}
}
}
return final_void_fraction;
}
//double MorphGrow(DoubleArray &BoundaryDist, DoubleArray &Dist, Array<char> &id, std::shared_ptr<Domain> Dm, double TargetGrowth)
double MorphGrow(DoubleArray &BoundaryDist, DoubleArray &Dist, Array<char> &id,
std::shared_ptr<Domain> Dm, double TargetGrowth,
double WallFactor) {
int Nx = Dm->Nx;
int Ny = Dm->Ny;
int Nz = Dm->Nz;
int rank = Dm->rank();
double count = 0.0;
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
if (Dist(i, j, k) < 0.0) {
count += 1.0;
}
}
}
}
double count_original = Dm->Comm.sumReduce(count);
// Estimate morph_delta
double morph_delta = 0.0;
if (TargetGrowth > 0.0)
morph_delta = 0.1;
else
morph_delta = -0.1;
double morph_delta_previous = 0.0;
double GrowthEstimate = 0.0;
double GrowthPrevious = 0.0;
int COUNT_FOR_LOOP = 0;
double ERROR = 100.0;
if (rank == 0)
printf("Estimate delta for growth=%f \n", TargetGrowth);
while (ERROR > 0.01 && COUNT_FOR_LOOP < 10) {
COUNT_FOR_LOOP++;
count = 0.0;
double MAX_DISPLACEMENT = 0.0;
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
double walldist = BoundaryDist(i, j, k);
//double wallweight = 1.0 / (1+exp(-5.f*(walldist-1.f)));
double wallweight =
WallFactor / (1 + exp(-5.f * (walldist - 1.f)));
//wallweight = 1.0;
if (fabs(wallweight * morph_delta) > MAX_DISPLACEMENT)
MAX_DISPLACEMENT = fabs(wallweight * morph_delta);
if (Dist(i, j, k) - wallweight * morph_delta < 0.0) {
count += 1.0;
}
}
}
}
count = Dm->Comm.sumReduce(count);
MAX_DISPLACEMENT = Dm->Comm.maxReduce(MAX_DISPLACEMENT);
GrowthEstimate = count - count_original;
ERROR = fabs((GrowthEstimate - TargetGrowth) / TargetGrowth);
if (rank == 0)
printf(" delta=%f, growth=%f, max. displacement = %f \n",
morph_delta, GrowthEstimate, MAX_DISPLACEMENT);
// Now adjust morph_delta
if (fabs(GrowthEstimate - GrowthPrevious) > 0.0) {
double step_size = (TargetGrowth - GrowthEstimate) *
(morph_delta - morph_delta_previous) /
(GrowthEstimate - GrowthPrevious);
GrowthPrevious = GrowthEstimate;
morph_delta_previous = morph_delta;
morph_delta += step_size;
}
if (morph_delta / morph_delta_previous > 2.0)
morph_delta = morph_delta_previous * 2.0;
//MAX_DISPLACEMENT *= max(TargetGrowth/GrowthEstimate,1.25);
if (morph_delta > 0.0) {
// object is growing
if (MAX_DISPLACEMENT > 3.0) {
morph_delta = 3.0;
COUNT_FOR_LOOP = 100; // exit loop if displacement is too large
}
} else {
// object is shrinking
if (MAX_DISPLACEMENT > 1.0) {
morph_delta = -1.0;
COUNT_FOR_LOOP = 100; // exit loop if displacement is too large
}
}
}
if (rank == 0)
printf("Final delta=%f \n", morph_delta);
count = 0.0;
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
double walldist = BoundaryDist(i, j, k);
//double wallweight = 1.0 / (1+exp(-5.f*(walldist-1.f)));
//wallweight = 1.0;
double wallweight =
WallFactor / (1 + exp(-5.f * (walldist - 1.f)));
Dist(i, j, k) -= wallweight * morph_delta;
if (Dist(i, j, k) < 0.0)
count += 1.0;
}
}
}
count = Dm->Comm.sumReduce(count);
return count;
}