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flatten mass for fractional flow protocol

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This commit is contained in:
James McClure 2021-05-27 16:29:44 -04:00
parent fd10e3d35e
commit 44c45d277f
3 changed files with 73 additions and 0 deletions
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70
models/ColorModel.cpp
View File

@ -2086,6 +2086,76 @@ double FlowAdaptor::UpdateFractionalFlow(ScaLBL_ColorModel &M){
return(TOTAL_MASS_CHANGE); return(TOTAL_MASS_CHANGE);
} }
void FlowAdaptor::Flatten(ScaLBL_ColorModel &M){
int Np = M.Np;
double dA, dB, phi;
double mass_a, mass_b, mass_a_global, mass_b_global;
double *Aq_tmp, *Bq_tmp;
double *Vel_x, *Vel_y, *Vel_z, *Phase;
Aq_tmp = new double [7*Np];
Bq_tmp = new double [7*Np];
ScaLBL_CopyToHost(Aq_tmp, M.Aq, 7*Np*sizeof(double));
ScaLBL_CopyToHost(Bq_tmp, M.Bq, 7*Np*sizeof(double));
for (int n=0; n < M.ScaLBL_Comm->LastExterior(); n++){
dA = Aq_tmp[n] + Aq_tmp[n+Np] + Aq_tmp[n+2*Np] + Aq_tmp[n+3*Np] + Aq_tmp[n+4*Np] + Aq_tmp[n+5*Np] + Aq_tmp[n+6*Np];
dB = Bq_tmp[n] + Bq_tmp[n+Np] + Bq_tmp[n+2*Np] + Bq_tmp[n+3*Np] + Bq_tmp[n+4*Np] + Bq_tmp[n+5*Np] + Bq_tmp[n+6*Np];
if (dA > 1.0){
double mass_change = dA - 1.0;
Aq_tmp[n] -= 0.333333333333333*mass_change;
Aq_tmp[n+Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+2*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+3*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+4*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+5*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+6*Np] -= 0.111111111111111*mass_change;
}
if (dB > 1.0){
double mass_change = dB - 1.0;
Bq_tmp[n] -= 0.333333333333333*mass_change;
Bq_tmp[n+Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+2*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+3*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+4*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+5*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+6*Np] -= 0.111111111111111*mass_change;
}
}
for (int n=M.ScaLBL_Comm->FirstInterior(); n < M.ScaLBL_Comm->LastInterior(); n++){
dA = Aq_tmp[n] + Aq_tmp[n+Np] + Aq_tmp[n+2*Np] + Aq_tmp[n+3*Np] + Aq_tmp[n+4*Np] + Aq_tmp[n+5*Np] + Aq_tmp[n+6*Np];
dB = Bq_tmp[n] + Bq_tmp[n+Np] + Bq_tmp[n+2*Np] + Bq_tmp[n+3*Np] + Bq_tmp[n+4*Np] + Bq_tmp[n+5*Np] + Bq_tmp[n+6*Np];
if (dA > 1.0){
double mass_change = dA - 1.0;
Aq_tmp[n] -= 0.333333333333333*mass_change;
Aq_tmp[n+Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+2*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+3*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+4*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+5*Np] -= 0.111111111111111*mass_change;
Aq_tmp[n+6*Np] -= 0.111111111111111*mass_change;
}
if (dB > 1.0){
double mass_change = dB - 1.0;
Bq_tmp[n] -= 0.333333333333333*mass_change;
Bq_tmp[n+Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+2*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+3*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+4*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+5*Np] -= 0.111111111111111*mass_change;
Bq_tmp[n+6*Np] -= 0.111111111111111*mass_change;
}
}
ScaLBL_CopyToDevice(M.Aq, Aq_tmp, 7*Np*sizeof(double));
ScaLBL_CopyToDevice(M.Bq, Bq_tmp, 7*Np*sizeof(double));
}
double FlowAdaptor::MoveInterface(ScaLBL_ColorModel &M){ double FlowAdaptor::MoveInterface(ScaLBL_ColorModel &M){
double INTERFACE_CUTOFF = M.color_db->getWithDefault<double>( "move_interface_cutoff", 0.975 ); double INTERFACE_CUTOFF = M.color_db->getWithDefault<double>( "move_interface_cutoff", 0.975 );

1
models/ColorModel.h
View File

@ -98,6 +98,7 @@ public:
~FlowAdaptor(); ~FlowAdaptor();
double MoveInterface(ScaLBL_ColorModel &M); double MoveInterface(ScaLBL_ColorModel &M);
double UpdateFractionalFlow(ScaLBL_ColorModel &M); double UpdateFractionalFlow(ScaLBL_ColorModel &M);
void Flatten(ScaLBL_ColorModel &M);
DoubleArray phi; DoubleArray phi;
DoubleArray phi_t; DoubleArray phi_t;
private: private:

2
tests/lbpm_color_simulator.cpp
View File

@ -100,6 +100,8 @@ int main( int argc, char **argv )
Adapt.MoveInterface(ColorModel); Adapt.MoveInterface(ColorModel);
skip_time += ANALYSIS_INTERVAL; skip_time += ANALYSIS_INTERVAL;
} }
Adapt.Flatten(ColorModel);
} }
ColorModel.WriteDebug(); ColorModel.WriteDebug();
} }