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Copy pathsetup.cpp
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294 lines (240 loc) · 9.02 KB
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#include "idefix.hpp"
#include "setup.hpp"
real epsilonGlob;
real betaGlob;
real HidealGlob;
real AmMidGlob;
real gammaGlob;
real densityFloorGlob;
void MySourceTerm(Hydro *hydro, const real t, const real dtin) {
auto *data = hydro->data;
IdefixArray4D<real> Vc = hydro->Vc;
IdefixArray4D<real> Uc = hydro->Uc;
IdefixArray1D<real> x1=data->x[IDIR];
IdefixArray1D<real> x2=data->x[JDIR];
real epsilon = epsilonGlob;
real tauGlob=0.1;
real gamma_m1=gammaGlob-1.0;
real dt=dtin;
idefix_for("MySourceTerm",
0, data->np_tot[KDIR],
0, data->np_tot[JDIR],
0, data->np_tot[IDIR],
KOKKOS_LAMBDA (int k, int j, int i) {
real r=x1(i);
real th=x2(j);
real z=r*cos(th);
real R=r*sin(th);
real cs2, tau;
if(R>1.0) {
real csdisk = epsilon/sqrt(R);
cs2=(csdisk*csdisk);
tau= tauGlob*sqrt(R);
}
else {
real csdisk = epsilon;
cs2=(csdisk*csdisk);
tau=tauGlob;
}
// Cooling /heatig function
real Ptarget = cs2*Vc(RHO,k,j,i);
Uc(ENG,k,j,i) += -dt*(Vc(PRS,k,j,i)-Ptarget)/(tau*gamma_m1);
// Velocity relaxation
});
}
void FargoVelocity(DataBlock &data, IdefixArray2D<real> &Vphi) {
IdefixArray1D<real> x1 = data.x[IDIR];
IdefixArray1D<real> x2 = data.x[JDIR];
idefix_for("FargoVphi",0,data.np_tot[JDIR], 0, data.np_tot[IDIR],
KOKKOS_LAMBDA (int j, int i) {
Vphi(j,i) = 1.0/sqrt(x1(i)*sin(x2(j)));
});
}
void InternalBoundary(Hydro *hydro, const real t) {
auto *data = hydro->data;
IdefixArray4D<real> Vc = hydro->Vc;
IdefixArray4D<real> Vs = hydro->Vs;
IdefixArray1D<real> x1=data->x[IDIR];
IdefixArray1D<real> x2=data->x[JDIR];
real vAmax=10.0;
real densityFloor = densityFloorGlob;
idefix_for("InternalBoundary",
0, data->np_tot[KDIR],
0, data->np_tot[JDIR],
0, data->np_tot[IDIR],
KOKKOS_LAMBDA (int k, int j, int i) {
real b2=EXPAND(Vc(BX1,k,j,i)*Vc(BX1,k,j,i) , +Vc(BX2,k,j,i)*Vc(BX2,k,j,i), +Vc(BX3,k,j,i)*Vc(BX3,k,j,i) ) ;
real va2=b2/Vc(RHO,k,j,i);
real myMax=vAmax;
//if(x1(i)<1.1) myMax=myMax/50.0;
if(va2>myMax*myMax) {
real T = Vc(PRS,k,j,i)/Vc(RHO,k,j,i);
Vc(RHO,k,j,i) = b2/(myMax*myMax);
Vc(PRS,k,j,i) = T*Vc(RHO,k,j,i);
}
if(Vc(RHO,k,j,i) < densityFloor) {
real T= Vc(PRS,k,j,i)/Vc(RHO,k,j,i);
Vc(RHO,k,j,i)=densityFloor;
Vc(PRS,k,j,i)=T*Vc(RHO,k,j,i);
}
/*
real R = x1(i)*sin(x2(j));
if(R<1.0) {
Vc(VX1,k,j,i) = ZERO_F;
Vc(VX2,k,j,i) = ZERO_F;
Vc(VX3,k,j,i) = R;
}*/
});
}
// User-defined boundaries
void UserdefBoundary(Hydro *hydro, int dir, BoundarySide side, real t) {
auto *data = hydro->data;
if( (dir==IDIR) && (side == left)) {
IdefixArray4D<real> Vc = hydro->Vc;
IdefixArray4D<real> Vs = hydro->Vs;
IdefixArray1D<real> x1 = data->x[IDIR];
IdefixArray1D<real> x2 = data->x[JDIR];
int ighost = data->nghost[IDIR];
real Omega=1.0;
idefix_for("UserDefBoundary",
0, data->np_tot[KDIR],
0, data->np_tot[JDIR],
0, ighost,
KOKKOS_LAMBDA (int k, int j, int i) {
real R=x1(i)*sin(x2(j));
real z=x1(i)*cos(x2(j));
Vc(RHO,k,j,i) = Vc(RHO,k,j,ighost);
Vc(PRS,k,j,i) = Vc(PRS,k,j,ighost);
if(Vc(VX1,k,j,ighost)>=ZERO_F) Vc(VX1,k,j,i) = - Vc(VX1,k,j,2*ighost-i);
else Vc(VX1,k,j,i) = Vc(VX1,k,j,ighost);
Vc(VX2,k,j,i) = Vc(VX2,k,j,ighost);
Vc(VX3,k,j,i) = R*Omega;
});
idefix_for("UserDefBoundaryX1S",
0, data->np_tot[KDIR],
0, data->np_tot[JDIR]+1,
0, ighost,
KOKKOS_LAMBDA (int k, int j, int i) {
Vs(BX2s,k,j,i) = ZERO_F;
});
idefix_for("UserDefBoundaryX3S",
0, data->np_tot[KDIR]+1,
0, data->np_tot[JDIR],
0, ighost,
KOKKOS_LAMBDA (int k, int j, int i) {
Vs(BX3s,k,j,i) = ZERO_F;
});
}
if( dir==JDIR) {
IdefixArray4D<real> Vc = hydro->Vc;
IdefixArray4D<real> Vs = hydro->Vs;
int jghost;
int jbeg,jend;
if(side == left) {
jghost = data->beg[JDIR];
jbeg = 0;
jend = data->beg[JDIR];
//return;
}
else if(side==right) {
jghost = data->end[JDIR]-1;
jbeg=data->end[JDIR];
jend=data->np_tot[JDIR];
}
idefix_for("UserDefBoundary",
0, data->np_tot[KDIR],
jbeg, jend,
0, data->np_tot[IDIR],
KOKKOS_LAMBDA (int k, int j, int i) {
Vc(RHO,k,j,i) = Vc(RHO,k,jghost,i);
Vc(PRS,k,j,i) = Vc(PRS,k,jghost,i);
Vc(VX1,k,j,i) = ZERO_F;
Vc(VX2,k,j,i) = ZERO_F;
Vc(VX3,k,j,i) = ZERO_F;
});
idefix_for("UserDefBoundary_X1s",
0, data->np_tot[KDIR],
jbeg, jend,
0, data->np_tot[IDIR]+1,
KOKKOS_LAMBDA (int k, int j, int i) {
Vs(BX1s,k,j,i) = ZERO_F;
});
idefix_for("UserDefBoundary_X3s",
0, data->np_tot[KDIR]+1,
jbeg, jend,
0, data->np_tot[IDIR],
KOKKOS_LAMBDA (int k, int j, int i) {
Vs(BX3s,k,j,i) = ZERO_F;
});
}
}
// Default constructor
void ComputeUserVars(DataBlock & data, UserDefVariablesContainer &variables) {
// Make references to the user-defined arrays (variables is a container of IdefixHostArray3D)
// Note that the labels should match the variable names in the input file
IdefixHostArray3D<real> Er = variables["Er"];
IdefixHostArray3D<real> Eth = variables["Eth"];
Kokkos::deep_copy(Er,data.hydro->emf->Ex1);
Kokkos::deep_copy(Eth,data.hydro->emf->Ex2);
}
// Initialisation routine. Can be used to allocate
// Arrays or variables which are used later on
Setup::Setup(Input &input, Grid &grid, DataBlock &data, Output &output) {
// Set the function for userdefboundary
data.hydro->EnrollUserDefBoundary(&UserdefBoundary);
data.hydro->EnrollUserSourceTerm(&MySourceTerm);
data.hydro->EnrollInternalBoundary(&InternalBoundary);
if(data.haveFargo)
data.fargo->EnrollVelocity(&FargoVelocity);
output.EnrollUserDefVariables(&ComputeUserVars);
gammaGlob=data.hydro->eos->GetGamma();
epsilonGlob = input.Get<real>("Setup","epsilon",0);
densityFloorGlob = input.Get<real>("Setup","densityFloor",0);
}
// This routine initialize the flow
// Note that data is on the device.
// One can therefore define locally
// a datahost and sync it, if needed
void Setup::InitFlow(DataBlock &data) {
// Create a host copy
DataBlockHost d(data);
// Make vector potential
IdefixHostArray4D<real> A = IdefixHostArray4D<real>("Setup_VectorPotential", 3, data.np_tot[KDIR], data.np_tot[JDIR], data.np_tot[IDIR]);
real epsilon=0.1;
real beta=1000;
for(int k = 0; k < d.np_tot[KDIR] ; k++) {
for(int j = 0; j < d.np_tot[JDIR] ; j++) {
for(int i = 0; i < d.np_tot[IDIR] ; i++) {
real r=d.x[IDIR](i);
real th=d.x[JDIR](j);
real R=r*sin(th);
real z=r*cos(th);
real Vk=1.0/pow(R,0.5);
real cs2=(epsilon*Vk)*(epsilon*Vk);
d.Vc(RHO,k,j,i) = 1.0/(R*sqrt(R))*exp(1.0/(cs2)*(1/r-1/R));
d.Vc(PRS,k,j,i) = cs2*d.Vc(RHO,k,j,i);
d.Vc(VX1,k,j,i) = 0.0;
d.Vc(VX2,k,j,i) = 1e-1*(0.5-idfx::randm());
d.Vc(VX3,k,j,i) = Vk*sqrt(R/r-2.5*cs2);
d.Vs(BX1s,k,j,i) = 0.0;
d.Vs(BX2s,k,j,i) = 0.0;
d.Vs(BX3s,k,j,i) = 0.0;
real B0 = sqrt(2*cs2/(R*sqrt(R))/sqrt(beta));
r=d.xl[IDIR](i);
th=d.xl[JDIR](j);
R=r*sin(th);
z=r*cos(th);
A(IDIR,k,j,i) = 0.0;
A(JDIR,k,j,i) = 0.0;
A(KDIR,k,j,i) = B0*epsilon*cos(R/epsilon)*fmax(1-(z*z)/(4*R*R*epsilon*epsilon),ZERO_F);
}
}
}
// Make the field from the vector potential
d.MakeVsFromAmag(A);
// Send it all, if needed
d.SyncToDevice();
}
// Analyse data to produce an output
void MakeAnalysis(DataBlock & data) {
}
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