fix force adaptation

This commit is contained in:
James E McClure 2020-05-22 13:12:54 -04:00
parent 14826cba1f
commit 48fe85f4ef

View File

@ -657,7 +657,7 @@ void ScaLBL_ColorModel::Run(){
//************ MAIN ITERATION LOOP ***************************************/ //************ MAIN ITERATION LOOP ***************************************/
PROFILE_START("Loop"); PROFILE_START("Loop");
//std::shared_ptr<Database> analysis_db; //std::shared_ptr<Database> analysis_db;
bool Regular = false; bool Regular = false;
auto current_db = db->cloneDatabase(); auto current_db = db->cloneDatabase();
runAnalysis analysis( current_db, rank_info, ScaLBL_Comm, Dm, Np, Regular, Map ); runAnalysis analysis( current_db, rank_info, ScaLBL_Comm, Dm, Np, Regular, Map );
@ -797,33 +797,122 @@ void ScaLBL_ColorModel::Run(){
if (CURRENT_STEADY_TIMESTEPS > MAX_STEADY_TIMESTEPS) if (CURRENT_STEADY_TIMESTEPS > MAX_STEADY_TIMESTEPS)
isSteady = true; isSteady = true;
if (RESCALE_FORCE == true && SET_CAPILLARY_NUMBER == true && CURRENT_STEADY_TIMESTEPS > RESCALE_FORCE_AFTER_TIMESTEP){ if (RESCALE_FORCE == true && SET_CAPILLARY_NUMBER == true && CURRENT_STEADY_TIMESTEPS > RESCALE_FORCE_AFTER_TIMESTEP){
RESCALE_FORCE = false; RESCALE_FORCE = false;
double RESCALE_FORCE_FACTOR = capillary_number / Ca; double RESCALE_FORCE_FACTOR = capillary_number / Ca;
if (RESCALE_FORCE_FACTOR > 2.0) RESCALE_FORCE_FACTOR = 2.0; if (RESCALE_FORCE_FACTOR > 2.0) RESCALE_FORCE_FACTOR = 2.0;
if (RESCALE_FORCE_FACTOR < 0.5) RESCALE_FORCE_FACTOR = 0.5; if (RESCALE_FORCE_FACTOR < 0.5) RESCALE_FORCE_FACTOR = 0.5;
Fx *= RESCALE_FORCE_FACTOR; Fx *= RESCALE_FORCE_FACTOR;
Fy *= RESCALE_FORCE_FACTOR; Fy *= RESCALE_FORCE_FACTOR;
Fz *= RESCALE_FORCE_FACTOR; Fz *= RESCALE_FORCE_FACTOR;
force_mag = sqrt(Fx*Fx+Fy*Fy+Fz*Fz); force_mag = sqrt(Fx*Fx+Fy*Fy+Fz*Fz);
if (force_mag > 1e-3){ if (force_mag > 1e-3){
Fx *= 1e-3/force_mag; // impose ceiling for stability Fx *= 1e-3/force_mag; // impose ceiling for stability
Fy *= 1e-3/force_mag; Fy *= 1e-3/force_mag;
Fz *= 1e-3/force_mag; Fz *= 1e-3/force_mag;
} }
if (rank == 0) printf(" -- adjust force by factor %f \n ",capillary_number / Ca); if (rank == 0) printf(" -- adjust force by factor %f \n ",capillary_number / Ca);
Averages->SetParams(rhoA,rhoB,tauA,tauB,Fx,Fy,Fz,alpha,beta); Averages->SetParams(rhoA,rhoB,tauA,tauB,Fx,Fy,Fz,alpha,beta);
color_db->putVector<double>("F",{Fx,Fy,Fz}); color_db->putVector<double>("F",{Fx,Fy,Fz});
} }
if ( isSteady ){ if ( isSteady ){
/*if (SET_CAPILLARY_NUMBER && fabs(capillary_number - Ca) / capillary_number > 2.0){ MORPH_ADAPT = true;
// reject steady points if they don't match the Ca well enough CURRENT_MORPH_TIMESTEPS=0;
double RESCALE_FORCE_FACTOR = capillary_number / Ca; delta_volume_target = Dm->Volume*volA *morph_delta; // set target volume change
if (RESCALE_FORCE_FACTOR > 2.0) RESCALE_FORCE_FACTOR = 2.0; //****** ENDPOINT ADAPTATION ********/
if (RESCALE_FORCE_FACTOR < 0.5) RESCALE_FORCE_FACTOR = 0.5; double krA_TMP= fabs(muA*flow_rate_A / force_mag);
Fx *= RESCALE_FORCE_FACTOR; double krB_TMP= fabs(muB*flow_rate_B / force_mag);
Fy *= RESCALE_FORCE_FACTOR; log_krA = log(krA_TMP);
Fz *= RESCALE_FORCE_FACTOR; if (krA_TMP < 0.0){
force_mag = sqrt(Fx*Fx+Fy*Fy+Fz*Fz); // cannot do endpoint adaptation if kr is negative
log_krA = log_krA_prev;
}
else if (krA_TMP < krB_TMP && morph_delta > 0.0){
/** morphological target based on relative permeability for A **/
log_krA_target = log(KRA_MORPH_FACTOR*(krA_TMP));
slope_krA_volume = (log_krA - log_krA_prev)/(Dm->Volume*(volA - volA_prev));
delta_volume_target=min(delta_volume_target,Dm->Volume*(volA+(log_krA_target - log_krA)/slope_krA_volume));
if (rank==0){
printf(" Enabling endpoint adaptation: krA = %f, krB = %f \n",krA_TMP,krB_TMP);
printf(" log(kr)=%f, volume=%f, TARGET log(kr)=%f, volume change=%f \n",log_krA, volA, log_krA_target, delta_volume_target/(volA*Dm->Volume));
}
}
log_krA_prev = log_krA;
volA_prev = volA;
//******************************** **/
/** compute averages & write data **/
Averages->Full();
Averages->Write(timestep);
analysis.WriteVisData(timestep, current_db, *Averages, Phi, Pressure, Velocity, fq, Den );
analysis.finish();
if (rank==0){
printf("** WRITE STEADY POINT *** ");
printf("Ca = %f, (previous = %f) \n",Ca,Ca_previous);
double h = Dm->voxel_length;
// pressures
double pA = Averages->gnb.p;
double pB = Averages->gwb.p;
double pAc = Averages->gnc.p;
double pBc = Averages->gwc.p;
double pAB = (pA-pB)/(h*5.796*alpha);
double pAB_connected = (pAc-pBc)/(h*5.796*alpha);
// connected contribution
double Vol_nc = Averages->gnc.V/Dm->Volume;
double Vol_wc = Averages->gwc.V/Dm->Volume;
double Vol_nd = Averages->gnd.V/Dm->Volume;
double Vol_wd = Averages->gwd.V/Dm->Volume;
double Mass_n = Averages->gnc.M + Averages->gnd.M;
double Mass_w = Averages->gwc.M + Averages->gwd.M;
double vAc_x = Averages->gnc.Px/Mass_n;
double vAc_y = Averages->gnc.Py/Mass_n;
double vAc_z = Averages->gnc.Pz/Mass_n;
double vBc_x = Averages->gwc.Px/Mass_w;
double vBc_y = Averages->gwc.Py/Mass_w;
double vBc_z = Averages->gwc.Pz/Mass_w;
// disconnected contribution
double vAd_x = Averages->gnd.Px/Mass_n;
double vAd_y = Averages->gnd.Py/Mass_n;
double vAd_z = Averages->gnd.Pz/Mass_n;
double vBd_x = Averages->gwd.Px/Mass_w;
double vBd_y = Averages->gwd.Py/Mass_w;
double vBd_z = Averages->gwd.Pz/Mass_w;
double flow_rate_A_connected = Vol_nc*(vAc_x*dir_x + vAc_y*dir_y + vAc_z*dir_z);
double flow_rate_B_connected = Vol_wc*(vBc_x*dir_x + vBc_y*dir_y + vBc_z*dir_z);
double flow_rate_A_disconnected = (Vol_nd)*(vAd_x*dir_x + vAd_y*dir_y + vAd_z*dir_z);
double flow_rate_B_disconnected = (Vol_wd)*(vBd_x*dir_x + vBd_y*dir_y + vBd_z*dir_z);
double kAeff_connected = h*h*muA*flow_rate_A_connected/(force_mag);
double kBeff_connected = h*h*muB*flow_rate_B_connected/(force_mag);
double kAeff_disconnected = h*h*muA*flow_rate_A_disconnected/(force_mag);
double kBeff_disconnected = h*h*muB*flow_rate_B_disconnected/(force_mag);
double kAeff = h*h*muA*(flow_rate_A)/(force_mag);
double kBeff = h*h*muB*(flow_rate_B)/(force_mag);
double viscous_pressure_drop = (rhoA*volA + rhoB*volB)*force_mag;
double Mobility = muA/muB;
bool WriteHeader=false;
FILE * kr_log_file = fopen("relperm.csv","r");
if (kr_log_file != NULL)
fclose(kr_log_file);
else
WriteHeader=true;
kr_log_file = fopen("relperm.csv","a");
if (WriteHeader)
fprintf(kr_log_file,"timesteps sat.water eff.perm.oil eff.perm.water eff.perm.oil.connected eff.perm.water.connected eff.perm.oil.disconnected eff.perm.water.disconnected cap.pressure cap.pressure.connected pressure.drop Ca M\n");
fprintf(kr_log_file,"%i %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g\n",CURRENT_STEADY_TIMESTEPS,current_saturation,kAeff,kBeff,kAeff_connected,kBeff_connected,kAeff_disconnected,kBeff_disconnected,pAB,pAB_connected,viscous_pressure_drop,Ca,Mobility);
fclose(kr_log_file);
printf(" Measured capillary number %f \n ",Ca);
}
if (SET_CAPILLARY_NUMBER ){
Fx *= capillary_number / Ca;
Fy *= capillary_number / Ca;
Fz *= capillary_number / Ca;
if (force_mag > 1e-3){ if (force_mag > 1e-3){
Fx *= 1e-3/force_mag; // impose ceiling for stability Fx *= 1e-3/force_mag; // impose ceiling for stability
Fy *= 1e-3/force_mag; Fy *= 1e-3/force_mag;
@ -832,192 +921,75 @@ void ScaLBL_ColorModel::Run(){
if (rank == 0) printf(" -- adjust force by factor %f \n ",capillary_number / Ca); if (rank == 0) printf(" -- adjust force by factor %f \n ",capillary_number / Ca);
Averages->SetParams(rhoA,rhoB,tauA,tauB,Fx,Fy,Fz,alpha,beta); Averages->SetParams(rhoA,rhoB,tauA,tauB,Fx,Fy,Fz,alpha,beta);
color_db->putVector<double>("F",{Fx,Fy,Fz}); color_db->putVector<double>("F",{Fx,Fy,Fz});
// simulate the point again with new force
CURRENT_STEADY_TIMESTEPS=0;
} }
else {
*/
MORPH_ADAPT = true;
CURRENT_MORPH_TIMESTEPS=0;
delta_volume_target = Dm->Volume*volA *morph_delta; // set target volume change
//****** ENDPOINT ADAPTATION ********/
double krA_TMP= fabs(muA*flow_rate_A / force_mag);
double krB_TMP= fabs(muB*flow_rate_B / force_mag);
log_krA = log(krA_TMP);
if (krA_TMP < 0.0){
// cannot do endpoint adaptation if kr is negative
log_krA = log_krA_prev;
}
else if (krA_TMP < krB_TMP && morph_delta > 0.0){
/** morphological target based on relative permeability for A **/
log_krA_target = log(KRA_MORPH_FACTOR*(krA_TMP));
slope_krA_volume = (log_krA - log_krA_prev)/(Dm->Volume*(volA - volA_prev));
delta_volume_target=min(delta_volume_target,Dm->Volume*(volA+(log_krA_target - log_krA)/slope_krA_volume));
if (rank==0){
printf(" Enabling endpoint adaptation: krA = %f, krB = %f \n",krA_TMP,krB_TMP);
printf(" log(kr)=%f, volume=%f, TARGET log(kr)=%f, volume change=%f \n",log_krA, volA, log_krA_target, delta_volume_target/(volA*Dm->Volume));
}
}
log_krA_prev = log_krA;
volA_prev = volA;
//******************************** **/
/** compute averages & write data **/
Averages->Full();
Averages->Write(timestep);
analysis.WriteVisData(timestep, current_db, *Averages, Phi, Pressure, Velocity, fq, Den );
analysis.finish();
if (rank==0){ CURRENT_STEADY_TIMESTEPS = 0;
printf("** WRITE STEADY POINT *** ");
printf("Ca = %f, (previous = %f) \n",Ca,Ca_previous);
double h = Dm->voxel_length;
// pressures
double pA = Averages->gnb.p;
double pB = Averages->gwb.p;
double pAc = Averages->gnc.p;
double pBc = Averages->gwc.p;
double pAB = (pA-pB)/(h*5.796*alpha);
double pAB_connected = (pAc-pBc)/(h*5.796*alpha);
// connected contribution
double Vol_nc = Averages->gnc.V/Dm->Volume;
double Vol_wc = Averages->gwc.V/Dm->Volume;
double Vol_nd = Averages->gnd.V/Dm->Volume;
double Vol_wd = Averages->gwd.V/Dm->Volume;
double Mass_n = Averages->gnc.M + Averages->gnd.M;
double Mass_w = Averages->gwc.M + Averages->gwd.M;
double vAc_x = Averages->gnc.Px/Mass_n;
double vAc_y = Averages->gnc.Py/Mass_n;
double vAc_z = Averages->gnc.Pz/Mass_n;
double vBc_x = Averages->gwc.Px/Mass_w;
double vBc_y = Averages->gwc.Py/Mass_w;
double vBc_z = Averages->gwc.Pz/Mass_w;
// disconnected contribution
double vAd_x = Averages->gnd.Px/Mass_n;
double vAd_y = Averages->gnd.Py/Mass_n;
double vAd_z = Averages->gnd.Pz/Mass_n;
double vBd_x = Averages->gwd.Px/Mass_w;
double vBd_y = Averages->gwd.Py/Mass_w;
double vBd_z = Averages->gwd.Pz/Mass_w;
double flow_rate_A_connected = Vol_nc*(vAc_x*dir_x + vAc_y*dir_y + vAc_z*dir_z);
double flow_rate_B_connected = Vol_wc*(vBc_x*dir_x + vBc_y*dir_y + vBc_z*dir_z);
double flow_rate_A_disconnected = (Vol_nd)*(vAd_x*dir_x + vAd_y*dir_y + vAd_z*dir_z);
double flow_rate_B_disconnected = (Vol_wd)*(vBd_x*dir_x + vBd_y*dir_y + vBd_z*dir_z);
double kAeff_connected = h*h*muA*flow_rate_A_connected/(force_mag);
double kBeff_connected = h*h*muB*flow_rate_B_connected/(force_mag);
double kAeff_disconnected = h*h*muA*flow_rate_A_disconnected/(force_mag);
double kBeff_disconnected = h*h*muB*flow_rate_B_disconnected/(force_mag);
double kAeff = h*h*muA*(flow_rate_A)/(force_mag);
double kBeff = h*h*muB*(flow_rate_B)/(force_mag);
double viscous_pressure_drop = (rhoA*volA + rhoB*volB)*force_mag;
double Mobility = muA/muB;
bool WriteHeader=false;
FILE * kr_log_file = fopen("relperm.csv","r");
if (kr_log_file != NULL)
fclose(kr_log_file);
else
WriteHeader=true;
kr_log_file = fopen("relperm.csv","a");
if (WriteHeader)
fprintf(kr_log_file,"timesteps sat.water eff.perm.oil eff.perm.water eff.perm.oil.connected eff.perm.water.connected eff.perm.oil.disconnected eff.perm.water.disconnected cap.pressure cap.pressure.connected pressure.drop Ca M\n");
fprintf(kr_log_file,"%i %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g %.5g\n",CURRENT_STEADY_TIMESTEPS,current_saturation,kAeff,kBeff,kAeff_connected,kBeff_connected,kAeff_disconnected,kBeff_disconnected,pAB,pAB_connected,viscous_pressure_drop,Ca,Mobility);
fclose(kr_log_file);
printf(" Measured capillary number %f \n ",Ca);
}
if (SET_CAPILLARY_NUMBER ){
double RESCALE_FORCE_FACTOR = capillary_number / Ca;
if (RESCALE_FORCE_FACTOR > 2.0) RESCALE_FORCE_FACTOR = 2.0;
if (RESCALE_FORCE_FACTOR < 0.5) RESCALE_FORCE_FACTOR = 0.5;
Fx *= RESCALE_FORCE_FACTOR;
Fy *= RESCALE_FORCE_FACTOR;
Fz *= RESCALE_FORCE_FACTOR;
force_mag = sqrt(Fx*Fx+Fy*Fy+Fz*Fz);
if (force_mag > 1e-3){
Fx *= 1e-3/force_mag; // impose ceiling for stability
Fy *= 1e-3/force_mag;
Fz *= 1e-3/force_mag;
}
if (rank == 0) printf(" -- adjust force by factor %f \n ",capillary_number / Ca);
Averages->SetParams(rhoA,rhoB,tauA,tauB,Fx,Fy,Fz,alpha,beta);
color_db->putVector<double>("F",{Fx,Fy,Fz});
}
else{
if (rank==0){
printf("** Continue to simulate steady *** \n ");
printf("Ca = %f, (previous = %f) \n",Ca,Ca_previous);
}
}
morph_timesteps=0;
Ca_previous = Ca;
/*}
THIS IS WHERE YOU DISABLE STEADY POINT REJECTION
*/
} }
else{
if (MORPH_ADAPT ){ if (rank==0){
CURRENT_MORPH_TIMESTEPS += analysis_interval; printf("** Continue to simulate steady *** \n ");
if (USE_DIRECT){ printf("Ca = %f, (previous = %f) \n",Ca,Ca_previous);
// Use image sequence
IMAGE_INDEX++;
MORPH_ADAPT = false;
if (IMAGE_INDEX < IMAGE_COUNT){
std::string next_image = ImageList[IMAGE_INDEX];
if (rank==0) printf("***Loading next image in sequence (%i) ***\n",IMAGE_INDEX);
color_db->putScalar<int>("image_index",IMAGE_INDEX);
ImageInit(next_image);
}
else{
if (rank==0) printf("Finished simulating image sequence \n");
timestep = timestepMax;
}
}
else if (USE_SEED){
delta_volume = volA*Dm->Volume - initial_volume;
CURRENT_MORPH_TIMESTEPS += analysis_interval;
double massChange = SeedPhaseField(seed_water);
if (rank==0) printf("***Seed water in oil %f, volume change %f / %f ***\n", massChange, delta_volume, delta_volume_target);
}
else if (USE_MORPHOPEN_OIL){
delta_volume = volA*Dm->Volume - initial_volume;
if (rank==0) printf("***Morphological opening of connected oil, target volume change %f ***\n", delta_volume_target);
MorphOpenConnected(delta_volume_target);
}
else {
if (rank==0) printf("***Shell aggregation, target volume change %f ***\n", delta_volume_target);
//double delta_volume_target = volB - (volA + volB)*TARGET_SATURATION; // change in volume to A
delta_volume += MorphInit(beta,delta_volume_target-delta_volume);
}
if ( (delta_volume - delta_volume_target)/delta_volume_target > 0.0 ){
MORPH_ADAPT = false;
CURRENT_STEADY_TIMESTEPS=0;
initial_volume = volA*Dm->Volume;
delta_volume = 0.0;
if (RESCALE_FORCE_AFTER_TIMESTEP > 0)
RESCALE_FORCE = true;
}
else if (!(USE_DIRECT) && CURRENT_MORPH_TIMESTEPS > MAX_MORPH_TIMESTEPS) {
MORPH_ADAPT = false;
CURRENT_STEADY_TIMESTEPS=0;
initial_volume = volA*Dm->Volume;
delta_volume = 0.0;
RESCALE_FORCE = true;
if (RESCALE_FORCE_AFTER_TIMESTEP > 0)
RESCALE_FORCE = true;
} }
} }
morph_timesteps += analysis_interval; morph_timesteps=0;
Ca_previous = Ca;
} }
MPI_Barrier(ScaLBL_Comm->MPI_COMM_SCALBL);
if (MORPH_ADAPT ){
CURRENT_MORPH_TIMESTEPS += analysis_interval;
if (USE_DIRECT){
// Use image sequence
IMAGE_INDEX++;
MORPH_ADAPT = false;
if (IMAGE_INDEX < IMAGE_COUNT){
std::string next_image = ImageList[IMAGE_INDEX];
if (rank==0) printf("***Loading next image in sequence (%i) ***\n",IMAGE_INDEX);
color_db->putScalar<int>("image_index",IMAGE_INDEX);
ImageInit(next_image);
}
else{
if (rank==0) printf("Finished simulating image sequence \n");
timestep = timestepMax;
}
}
else if (USE_SEED){
delta_volume = volA*Dm->Volume - initial_volume;
CURRENT_MORPH_TIMESTEPS += analysis_interval;
double massChange = SeedPhaseField(seed_water);
if (rank==0) printf("***Seed water in oil %f, volume change %f / %f ***\n", massChange, delta_volume, delta_volume_target);
}
else if (USE_MORPHOPEN_OIL){
delta_volume = volA*Dm->Volume - initial_volume;
if (rank==0) printf("***Morphological opening of connected oil, target volume change %f ***\n", delta_volume_target);
MorphOpenConnected(delta_volume_target);
}
else {
if (rank==0) printf("***Shell aggregation, target volume change %f ***\n", delta_volume_target);
//double delta_volume_target = volB - (volA + volB)*TARGET_SATURATION; // change in volume to A
delta_volume += MorphInit(beta,delta_volume_target-delta_volume);
}
if ( (delta_volume - delta_volume_target)/delta_volume_target > 0.0 ){
MORPH_ADAPT = false;
CURRENT_STEADY_TIMESTEPS=0;
initial_volume = volA*Dm->Volume;
delta_volume = 0.0;
if (RESCALE_FORCE_AFTER_TIMESTEP > 0)
RESCALE_FORCE = true;
}
else if (!(USE_DIRECT) && CURRENT_MORPH_TIMESTEPS > MAX_MORPH_TIMESTEPS) {
MORPH_ADAPT = false;
CURRENT_STEADY_TIMESTEPS=0;
initial_volume = volA*Dm->Volume;
delta_volume = 0.0;
RESCALE_FORCE = true;
if (RESCALE_FORCE_AFTER_TIMESTEP > 0)
RESCALE_FORCE = true;
}
}
morph_timesteps += analysis_interval;
} }
MPI_Barrier(ScaLBL_Comm->MPI_COMM_SCALBL);
} }
analysis.finish(); analysis.finish();
PROFILE_STOP("Loop"); PROFILE_STOP("Loop");