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update saving diffusive flux in GPU version

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This commit is contained in:
Rex Zhe Li
2021-09-30 01:16:53 -04:00
parent 487478550e
commit 551bcb172f
2 changed files with 48 additions and 12 deletions
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30
cuda/Ion.cu
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@@ -97,13 +97,14 @@ __global__ void dvc_ScaLBL_D3Q7_AAeven_IonConcentration(double *dist, double *D
}
}
__global__ void dvc_ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, double *Den, double *Velocity, double *ElectricField,
__global__ void dvc_ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, double *Den, double *FluxDiffusive, double *Velocity, double *ElectricField,
double Di, int zi, double rlx, double Vt, int start, int finish, int Np){
int n;
double Ci;
double ux,uy,uz;
double uEPx,uEPy,uEPz;//electrochemical induced velocity
double Ex,Ey,Ez;//electrical field
double flux_diffusive_x,flux_diffusive_y,flux_diffusive_z;
double f0,f1,f2,f3,f4,f5,f6;
int nr1,nr2,nr3,nr4,nr5,nr6;
@@ -146,6 +147,14 @@ __global__ void dvc_ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, doub
nr6 = neighborList[n+5*Np];
f6 = dist[nr6];
// compute diffusive flux
flux_diffusive_x = (1.0-0.5*rlx)*((f1-f2)-ux*Ci);
flux_diffusive_y = (1.0-0.5*rlx)*((f3-f4)-uy*Ci);
flux_diffusive_z = (1.0-0.5*rlx)*((f5-f6)-uz*Ci);
FluxDiffusive[n+0*Np] = flux_diffusive_x;
FluxDiffusive[n+1*Np] = flux_diffusive_y;
FluxDiffusive[n+2*Np] = flux_diffusive_z;
// q=0
dist[n] = f0*(1.0-rlx)+rlx*0.25*Ci;
//dist[n] = f0*(1.0-rlx)+rlx*0.25*Ci*(1.0 - 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
@@ -177,13 +186,14 @@ __global__ void dvc_ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, doub
}
}
__global__ void dvc_ScaLBL_D3Q7_AAeven_Ion(double *dist, double *Den, double *Velocity, double *ElectricField,
__global__ void dvc_ScaLBL_D3Q7_AAeven_Ion(double *dist, double *Den, double *FluxDiffusive, double *Velocity, double *ElectricField,
double Di, int zi, double rlx, double Vt, int start, int finish, int Np){
int n;
double Ci;
double ux,uy,uz;
double uEPx,uEPy,uEPz;//electrochemical induced velocity
double Ex,Ey,Ez;//electrical field
double flux_diffusive_x,flux_diffusive_y,flux_diffusive_z;
double f0,f1,f2,f3,f4,f5,f6;
int S = Np/NBLOCKS/NTHREADS + 1;
@@ -212,6 +222,14 @@ __global__ void dvc_ScaLBL_D3Q7_AAeven_Ion(double *dist, double *Den, double *V
f5 = dist[6*Np+n];
f6 = dist[5*Np+n];
// compute diffusive flux
flux_diffusive_x = (1.0-0.5*rlx)*((f1-f2)-ux*Ci);
flux_diffusive_y = (1.0-0.5*rlx)*((f3-f4)-uy*Ci);
flux_diffusive_z = (1.0-0.5*rlx)*((f5-f6)-uz*Ci);
FluxDiffusive[n+0*Np] = flux_diffusive_x;
FluxDiffusive[n+1*Np] = flux_diffusive_y;
FluxDiffusive[n+2*Np] = flux_diffusive_z;
// q=0
dist[n] = f0*(1.0-rlx)+rlx*0.25*Ci;
//dist[n] = f0*(1.0-rlx)+rlx*0.25*Ci*(1.0 - 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
@@ -330,10 +348,10 @@ extern "C" void ScaLBL_D3Q7_AAeven_IonConcentration(double *dist, double *Den, i
//cudaProfilerStop();
}
extern "C" void ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, double *Den, double *Velocity, double *ElectricField,
extern "C" void ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, double *Den, double *FluxDiffusive, double *Velocity, double *ElectricField,
double Di, int zi, double rlx, double Vt, int start, int finish, int Np){
//cudaProfilerStart();
dvc_ScaLBL_D3Q7_AAodd_Ion<<<NBLOCKS,NTHREADS >>>(neighborList,dist,Den,Velocity,ElectricField,Di,zi,rlx,Vt,start,finish,Np);
dvc_ScaLBL_D3Q7_AAodd_Ion<<<NBLOCKS,NTHREADS >>>(neighborList,dist,Den,FluxDiffusive,Velocity,ElectricField,Di,zi,rlx,Vt,start,finish,Np);
cudaError_t err = cudaGetLastError();
if (cudaSuccess != err){
@@ -342,10 +360,10 @@ extern "C" void ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, double *D
//cudaProfilerStop();
}
extern "C" void ScaLBL_D3Q7_AAeven_Ion(double *dist, double *Den, double *Velocity, double *ElectricField,
extern "C" void ScaLBL_D3Q7_AAeven_Ion(double *dist, double *Den, double *FluxDiffusive, double *Velocity, double *ElectricField,
double Di, int zi, double rlx, double Vt, int start, int finish, int Np){
//cudaProfilerStart();
dvc_ScaLBL_D3Q7_AAeven_Ion<<<NBLOCKS,NTHREADS >>>(dist,Den,Velocity,ElectricField,Di,zi,rlx,Vt,start,finish,Np);
dvc_ScaLBL_D3Q7_AAeven_Ion<<<NBLOCKS,NTHREADS >>>(dist,Den,FluxDiffusive,Velocity,ElectricField,Di,zi,rlx,Vt,start,finish,Np);
cudaError_t err = cudaGetLastError();
if (cudaSuccess != err){