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add sigmoid to ion equilibrium dist

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This commit is contained in:
James McClure
2022-03-24 07:38:06 -04:00
parent 7172364660
commit 8a0937e111
4 changed files with 158 additions and 70 deletions
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84
hip/Ion.cu
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@@ -280,6 +280,7 @@ __global__ void dvc_ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, doub
double Ex,Ey,Ez;//electrical field
double flux_diffusive_x,flux_diffusive_y,flux_diffusive_z;
double f0,f1,f2,f3,f4,f5,f6;
double X,Y,Z,factor_x,factor_y,factor_z;
int nr1,nr2,nr3,nr4,nr5,nr6;
int S = Np/NBLOCKS/NTHREADS + 1;
@@ -334,34 +335,47 @@ __global__ void dvc_ScaLBL_D3Q7_AAodd_Ion(int *neighborList, double *dist, doub
FluxElectrical[n+0*Np] = uEPx*Ci;
FluxElectrical[n+1*Np] = uEPy*Ci;
FluxElectrical[n+2*Np] = uEPz*Ci;
/* use logistic function to prevent negative distributions*/
X = 4.0 * (ux + uEPx);
Y = 4.0 * (uy + uEPy);
Z = 4.0 * (uz + uEPz);
factor_x = X / sqrt(1 + X*X);
factor_y = Y / sqrt(1 + Y*Y);
factor_z = Z / sqrt(1 + Z*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)));
dist[n] = f0 * (1.0 - rlx) + rlx * 0.25 * Ci;
// q = 1
dist[nr2] = f1*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(ux+uEPx));
//dist[nr2] = f1*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(ux+uEPx)+8.0*(ux+uEPx)*(ux+uEPx)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[nr2] =
f1 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + factor_x);
//f1 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + 4.0 * (ux + uEPx));
// q=2
dist[nr1] = f2*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(ux+uEPx));
//dist[nr1] = f2*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(ux+uEPx)+8.0*(ux+uEPx)*(ux+uEPx)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[nr1] =
f2 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - factor_x);
//f2 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - 4.0 * (ux + uEPx));
// q = 3
dist[nr4] = f3*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uy+uEPy));
//dist[nr4] = f3*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uy+uEPy)+8.0*(uy+uEPy)*(uy+uEPy)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[nr4] =
f3 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + factor_y );
//f3 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + 4.0 * (uy + uEPy));
// q = 4
dist[nr3] = f4*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uy+uEPy));
//dist[nr3] = f4*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uy+uEPy)+8.0*(uy+uEPy)*(uy+uEPy)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[nr3] =
f4 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - factor_y);
//f4 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - 4.0 * (uy + uEPy));
// q = 5
dist[nr6] = f5*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uz+uEPz));
//dist[nr6] = f5*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uz+uEPz)+8.0*(uz+uEPz)*(uz+uEPz)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[nr6] =
f5 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + factor_z);
//f5 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + 4.0 * (uz + uEPz));
// q = 6
dist[nr5] = f6*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uz+uEPz));
//dist[nr5] = f6*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uz+uEPz)+8.0*(uz+uEPz)*(uz+uEPz)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[nr5] =
f6 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - factor_z);
}
}
}
@@ -375,6 +389,7 @@ __global__ void dvc_ScaLBL_D3Q7_AAeven_Ion(double *dist, double *Den, double *F
double Ex,Ey,Ez;//electrical field
double flux_diffusive_x,flux_diffusive_y,flux_diffusive_z;
double f0,f1,f2,f3,f4,f5,f6;
double X,Y,Z,factor_x,factor_y,factor_z;
int S = Np/NBLOCKS/NTHREADS + 1;
for (int s=0; s<S; s++){
@@ -416,33 +431,46 @@ __global__ void dvc_ScaLBL_D3Q7_AAeven_Ion(double *dist, double *Den, double *F
FluxElectrical[n+1*Np] = uEPy*Ci;
FluxElectrical[n+2*Np] = uEPz*Ci;
/* use logistic function to prevent negative distributions*/
X = 4.0 * (ux + uEPx);
Y = 4.0 * (uy + uEPy);
Z = 4.0 * (uz + uEPz);
factor_x = X / sqrt(1 + X*X);
factor_y = Y / sqrt(1 + Y*Y);
factor_z = Z / sqrt(1 + Z*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)));
dist[n] = f0 * (1.0 - rlx) + rlx * 0.25 * Ci;
// q = 1
dist[1*Np+n] = f1*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(ux+uEPx));
//dist[1*Np+n] = f1*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(ux+uEPx)+8.0*(ux+uEPx)*(ux+uEPx)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[1 * Np + n] =
f1 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + factor_x);
//f1 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + 4.0 * (ux + uEPx));
// q=2
dist[2*Np+n] = f2*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(ux+uEPx));
//dist[2*Np+n] = f2*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(ux+uEPx)+8.0*(ux+uEPx)*(ux+uEPx)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[2 * Np + n] =
f2 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - factor_x);
//f2 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - 4.0 * (ux + uEPx));
// q = 3
dist[3*Np+n] = f3*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uy+uEPy));
//dist[3*Np+n] = f3*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uy+uEPy)+8.0*(uy+uEPy)*(uy+uEPy)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[3 * Np + n] =
f3 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + factor_y);
//f3 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + 4.0 * (uy + uEPy));
// q = 4
dist[4*Np+n] = f4*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uy+uEPy));
//dist[4*Np+n] = f4*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uy+uEPy)+8.0*(uy+uEPy)*(uy+uEPy)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[4 * Np + n] =
f4 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - factor_y);
//f4 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - 4.0 * (uy + uEPy));
// q = 5
dist[5*Np+n] = f5*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uz+uEPz));
//dist[5*Np+n] = f5*(1.0-rlx) + rlx*0.125*Ci*(1.0+4.0*(uz+uEPz)+8.0*(uz+uEPz)*(uz+uEPz)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[5 * Np + n] =
f5 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + factor_z);
//f5 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 + 4.0 * (uz + uEPz));
// q = 6
dist[6*Np+n] = f6*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uz+uEPz));
//dist[6*Np+n] = f6*(1.0-rlx) + rlx*0.125*Ci*(1.0-4.0*(uz+uEPz)+8.0*(uz+uEPz)*(uz+uEPz)- 2.0*((ux+uEPx)*(ux+uEPx) + (uy+uEPy)*(uy+uEPy) + (uz+uEPz)*(uz+uEPz)));
dist[6 * Np + n] =
f6 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - factor_z);
//f6 * (1.0 - rlx) + rlx * 0.125 * Ci * (1.0 - 4.0 * (uz + uEPz));
}
}
}