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further clean up CPU code;Update GPU code;GPU version to be built and verified

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This commit is contained in:
Rex Zhe Li 2021-03-31 20:42:16 -04:00
parent e87db53a01
commit c22596ac14
2 changed files with 1284 additions and 41 deletions
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28
cpu/FreeLee.cpp
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@ -83,7 +83,6 @@ extern "C" void ScaLBL_FreeLeeModel_PhaseField_Init(int *Map, double *Phi, doubl
double theta;//anti-diffusion term
double cs2_inv = 4.5;//inverse of speed of sound for D3Q7
double M = 1.0/cs2_inv*(tauM-0.5);//diffusivity (or mobility)
double factor = 1.0;
for (idx=start; idx<finish; idx++){
@ -104,9 +103,7 @@ extern "C" void ScaLBL_FreeLeeModel_PhaseField_Init(int *Map, double *Phi, doubl
ny = ny/ColorMag_temp;
nz = nz/ColorMag_temp;
//theta = M*cs2_inv*(1-factor*phi*phi)/W;
theta = 4.5*M*2.0*(1-phi*phi)/W;
//theta = 0; // try more diffusive initial condition
theta = M*cs2_inv*2.0*(1-phi*phi)/W;
hq[0*Np+idx]=0.3333333333333333*(phi);
hq[1*Np+idx]=0.1111111111111111*(phi+theta*nx);
@ -225,7 +222,6 @@ extern "C" void ScaLBL_D3Q7_AAodd_FreeLee_PhaseField(int *neighborList, int *Map
double ux,uy,uz;
double phi;
double M = 2.0/9.0*(tauM-0.5);//diffusivity (or mobility) for the phase field D3Q7
double factor = 1.0;
double theta;
for (int n=start; n<finish; n++){
@ -278,12 +274,6 @@ extern "C" void ScaLBL_D3Q7_AAodd_FreeLee_PhaseField(int *neighborList, int *Map
//-------------------------------- BGK collison for phase field ---------------------------------//
h0 -= (h0 - 0.3333333333333333*phi)/tauM;
// h1 -= (h1 - phi*(0.1111111111111111 + 0.5*ux) - (0.5*M*nx*(1 - factor*phi*phi))/W)/tauM;
// h2 -= (h2 - phi*(0.1111111111111111 - 0.5*ux) + (0.5*M*nx*(1 - factor*phi*phi))/W)/tauM;
// h3 -= (h3 - phi*(0.1111111111111111 + 0.5*uy) - (0.5*M*ny*(1 - factor*phi*phi))/W)/tauM;
// h4 -= (h4 - phi*(0.1111111111111111 - 0.5*uy) + (0.5*M*ny*(1 - factor*phi*phi))/W)/tauM;
// h5 -= (h5 - phi*(0.1111111111111111 + 0.5*uz) - (0.5*M*nz*(1 - factor*phi*phi))/W)/tauM;
// h6 -= (h6 - phi*(0.1111111111111111 - 0.5*uz) + (0.5*M*nz*(1 - factor*phi*phi))/W)/tauM;
h1 -= (h1 - 0.1111111111111111*nx*theta - phi*(0.1111111111111111 + 0.5*ux))/tauM;
h2 -= (h2 + 0.1111111111111111*nx*theta - phi*(0.1111111111111111 - 0.5*ux))/tauM;
h3 -= (h3 - 0.1111111111111111*ny*theta - phi*(0.1111111111111111 + 0.5*uy))/tauM;
@ -317,7 +307,6 @@ extern "C" void ScaLBL_D3Q7_AAeven_FreeLee_PhaseField( int *Map, double *hq, dou
double ux,uy,uz;
double phi;
double M = 2.0/9.0*(tauM-0.5);//diffusivity (or mobility) for the phase field D3Q7
double factor = 1.0;
double theta;
for (int n=start; n<finish; n++){
@ -354,12 +343,6 @@ extern "C" void ScaLBL_D3Q7_AAeven_FreeLee_PhaseField( int *Map, double *hq, dou
//-------------------------------- BGK collison for phase field ---------------------------------//
h0 -= (h0 - 0.3333333333333333*phi)/tauM;
// h1 -= (h1 - phi*(0.1111111111111111 + 0.5*ux) - (0.5*M*nx*(1 - factor*phi*phi))/W)/tauM;
// h2 -= (h2 - phi*(0.1111111111111111 - 0.5*ux) + (0.5*M*nx*(1 - factor*phi*phi))/W)/tauM;
// h3 -= (h3 - phi*(0.1111111111111111 + 0.5*uy) - (0.5*M*ny*(1 - factor*phi*phi))/W)/tauM;
// h4 -= (h4 - phi*(0.1111111111111111 - 0.5*uy) + (0.5*M*ny*(1 - factor*phi*phi))/W)/tauM;
// h5 -= (h5 - phi*(0.1111111111111111 + 0.5*uz) - (0.5*M*nz*(1 - factor*phi*phi))/W)/tauM;
// h6 -= (h6 - phi*(0.1111111111111111 - 0.5*uz) + (0.5*M*nz*(1 - factor*phi*phi))/W)/tauM;
h1 -= (h1 - 0.1111111111111111*nx*theta - phi*(0.1111111111111111 + 0.5*ux))/tauM;
h2 -= (h2 + 0.1111111111111111*nx*theta - phi*(0.1111111111111111 - 0.5*ux))/tauM;
h3 -= (h3 - 0.1111111111111111*ny*theta - phi*(0.1111111111111111 + 0.5*uy))/tauM;
@ -1518,7 +1501,6 @@ extern "C" void ScaLBL_D3Q19_AAodd_FreeLeeModel_Combined(int *neighborList, int
double nx,ny,nz;//normal color gradient
double mgx,mgy,mgz;//mixed gradient reaching secondary neighbor
//double f0,f1,f2,f3,f4,f5,f6,f7,f8,f9,f10,f11,f12,f13,f14,f15,f16,f17,f18;
double h0,h1,h2,h3,h4,h5,h6;//distributions for LB phase field
double tau;//position dependent LB relaxation time for fluid
double C,theta;
@ -1687,11 +1669,11 @@ extern "C" void ScaLBL_D3Q19_AAodd_FreeLeeModel_Combined(int *neighborList, int
mgz = -3.0*1.0/18.0*(mm5-mm6+0.5*(mm11-mm12-mm13+mm14+mm15-mm16-mm17+mm18));
//de-noise color gradient and mixed gradient
C = sqrt(nx*nx+ny*ny+nz*nz);
if (C<1.0e-12) nx=ny=nz=0.0;
c = sqrt(nx*nx+ny*ny+nz*nz);
if (c<1.0e-12) nx=ny=nz=0.0;
double mg_mag = sqrt(mgx*mgx+mgy*mgy+mgz*mgz);
if (mg_mag<1.0e-12) mgx=mgy=mgz=0.0;
//maybe you can also de-noise chemical potential ? within the bulk phase chem should be ZERO
//maybe you can also de-noise chemical potential ? within the bulk phase chem should be zero
if (fabs(chem)<1.0e-12) chem=0.0;
// q=0
@ -2126,7 +2108,6 @@ extern "C" void ScaLBL_D3Q19_AAeven_FreeLeeModel_Combined(int *Map, double *dist
int strideY, int strideZ, int start, int finish, int Np){
int n,nn,nn2x,ijk;
//int nr1,nr2,nr3,nr4,nr5,nr6,nr7,nr8,nr9,nr10,nr11,nr12,nr13,nr14,nr15,nr16,nr17,nr18;
double ux,uy,uz;//fluid velocity
double p;//pressure
double chem;//chemical potential
@ -2141,7 +2122,6 @@ extern "C" void ScaLBL_D3Q19_AAeven_FreeLeeModel_Combined(int *Map, double *dist
double nx,ny,nz;//normal color gradient
double mgx,mgy,mgz;//mixed gradient reaching secondary neighbor
//double f0,f1,f2,f3,f4,f5,f6,f7,f8,f9,f10,f11,f12,f13,f14,f15,f16,f17,f18;
double h0,h1,h2,h3,h4,h5,h6;//distributions for LB phase field
double tau;//position dependent LB relaxation time for fluid
double C,theta;

1297
cuda/FreeLee.cu
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