int main(void) {
field f;
init_empty_field(&f);
f.model.cfl = 0.05;
f.model.m = 3; // only one conservative variable
f.model.NumFlux = TransNumFlux2dwav;
f.model.BoundaryFlux = TransBoundaryFlux2dwav;
f.model.InitData = TransInitData2dwav;
f.model.ImposedData = TransImposedData2dwav;
f.varindex = GenericVarindex;
f.interp.interp_param[0] = f.model.m; // _M
f.interp.interp_param[1] = 3; // x direction degree
f.interp.interp_param[2] = 3; // y direction degree
f.interp.interp_param[3] = 0; // z direction degree
f.interp.interp_param[4] = 4; // x direction refinement
f.interp.interp_param[5] = 4; // y direction refinement
f.interp.interp_param[6] = 1; // z direction refinement
// Read the gmsh file
ReadMacroMesh(&(f.macromesh), "disquetrou.msh");
//ReadMacroMesh(&(f.macromesh), "geo/cube.msh");
// Try to detect a 2d mesh
Detect2DMacroMesh(&(f.macromesh));
assert(f.macromesh.is2d);
//PrintMacroMesh(&(f.macromesh));
// Mesh preparation
BuildConnectivity(&(f.macromesh));
// AffineMapMacroMesh(&(f.macromesh));
// Prepare the initial fields
Initfield(&f);
// prudence...
CheckMacroMesh(&(f.macromesh), f.interp.interp_param + 1);
printf("cfl param =%f\n", f.hmin);
// Apply the DG scheme time integration by RK2 scheme up to final
// time tmax.
real tmax = 0.5;
real dt = 0.;
f.vmax = 0.1;
if(dt <= 0.0)
dt = set_dt(&f);
RK2(&f, tmax, dt);
// Save the results and the error
Plotfield(0, false, &f, NULL, "dgvisu.msh");
Plotfield(0, true, &f, "Error", "dgerror.msh");
real dd = L2error(&f);
printf("erreur L2=%f\n", dd);
return 0;
};
int TestfieldRK2_2D()
{
bool test = true;
field f;
init_empty_field(&f);
f.model.cfl = 0.05;
f.model.m = 1;
f.model.NumFlux = TransNumFlux2d;
f.model.BoundaryFlux = TransBoundaryFlux2d;
f.model.InitData = TransInitData2d;
f.model.ImposedData = TransImposedData2d;
f.varindex = GenericVarindex;
f.interp.interp_param[0] = 1; // _M
f.interp.interp_param[1] = 2; // x direction degree
f.interp.interp_param[2] = 2; // y direction degree
f.interp.interp_param[3] = 0; // z direction degree
f.interp.interp_param[4] = 1; // x direction refinement
f.interp.interp_param[5] = 1; // y direction refinement
f.interp.interp_param[6] = 1; // z direction refinement
ReadMacroMesh(&f.macromesh, "../test/testdisque2d.msh");
Detect2DMacroMesh(&f.macromesh);
assert(f.macromesh.is2d);
BuildConnectivity(&f.macromesh);
Initfield(&f);
CheckMacroMesh(&f.macromesh, f.interp.interp_param + 1);
printf("cfl param =%f\n",f.hmin);
real tmax = 0.1;
f.vmax=1;
real dt = 0;
RK2(&f, tmax, dt);
//Plotfield(0, false, &f, NULL, "dgvisu.msh");
//Plotfield(0, true, &f, "error", "dgerror.msh");
real dd = L2error(&f);
printf("erreur L2=%f\n", dd);
test = test && (dd < 0.01);
return test;
}
int TestMaxwell2D()
{
bool test = true;
field f;
init_empty_field(&f);
f.model.cfl = 0.05;
f.model.m = 7; // num of conservative variables
f.model.NumFlux = Maxwell2DNumFlux_uncentered;
//f.model.NumFlux = Maxwell2DNumFlux_centered;
f.model.BoundaryFlux = Maxwell2DBoundaryFlux_uncentered;
f.model.InitData = Maxwell2DInitData;
f.model.ImposedData = Maxwell2DImposedData;
f.varindex = GenericVarindex;
f.model.Source = Maxwell2DSource;
f.interp.interp_param[0] = f.model.m;
f.interp.interp_param[1] = 3; // x direction degree
f.interp.interp_param[2] = 3; // y direction degree
f.interp.interp_param[3] = 0; // z direction degree
f.interp.interp_param[4] = 4; // x direction refinement
f.interp.interp_param[5] = 4; // y direction refinement
f.interp.interp_param[6] = 1; // z direction refinement
ReadMacroMesh(&(f.macromesh), "../test/testcube.msh");
Detect2DMacroMesh(&(f.macromesh));
assert(f.macromesh.is2d);
BuildConnectivity(&(f.macromesh));
char buf[1000];
sprintf(buf, "-D _M=%d", f.model.m);
strcat(cl_buildoptions, buf);
set_source_CL(&f, "Maxwell2DSource");
sprintf(numflux_cl_name, "%s", "Maxwell2DNumFlux_uncentered");
sprintf(buf," -D NUMFLUX=");
strcat(buf, numflux_cl_name);
strcat(cl_buildoptions, buf);
sprintf(buf, " -D BOUNDARYFLUX=%s", "Maxwell2DBoundaryFlux_uncentered");
strcat(cl_buildoptions, buf);
Initfield(&f);
CheckMacroMesh(&(f.macromesh), f.interp.interp_param + 1);
real tmax = 0.1;
f.vmax = 1;
real dt = set_dt(&f);
#if 0
// C version
RK2(&f, tmax, dt);
#else
// OpenCL version
CopyfieldtoGPU(&f);
RK2_CL(&f, tmax, dt, 0, 0, 0);
CopyfieldtoCPU(&f);
printf("\nOpenCL Kernel time:\n");
show_cl_timing(&f);
printf("\n");
#endif
// Save the results and the error
/* Plotfield(0, false, &f, NULL, "dgvisu.msh"); */
/* Plotfield(0, true, &f, "error", "dgerror.msh"); */
real dd = L2error(&f);
real tolerance = 1.1e-2;
test = test && (dd < tolerance);
printf("L2 error: %f\n", dd);
return test;
}
int TestCoil2D(void)
{
bool test = true;
field f;
init_empty_field(&f);
init_empty_field(&f);
f.model.cfl = 0.2;
f.model.m = 7; // num of conservative variables
f.model.NumFlux = Maxwell2DCleanNumFlux_upwind;
f.model.BoundaryFlux = Coil2DBoundaryFlux;
f.model.InitData = Coil2DInitData;
f.model.ImposedData = Coil2DImposedData;
f.varindex = GenericVarindex;
f.interp.interp_param[0] = f.model.m;
f.interp.interp_param[1] = 2; // x direction degree
f.interp.interp_param[2] = 2; // y direction degree
f.interp.interp_param[3] = 0; // z direction degree
f.interp.interp_param[4] = 4; // x direction refinement
f.interp.interp_param[5] = 4; // y direction refinement
f.interp.interp_param[6] = 1; // z direction refinement
// Read the gmsh file
ReadMacroMesh(&f.macromesh, "../test/testmacromesh.msh");
// Try to detect a 2d mesh
Detect2DMacroMesh(&f.macromesh);
assert(f.macromesh.is2d);
// Mesh preparation
BuildConnectivity(&(f.macromesh));
//AffineMapMacroMesh(&(f.macromesh));
// Prepare the initial fields
Initfield(&f);
f.model.Source = Coil2DSource;
f.pre_dtfield = coil_pre_dtfield;
//f.dt = 1e-3;
// Prudence...
CheckMacroMesh(&(f.macromesh), f.interp.interp_param + 1);
printf("cfl param =%f\n", f.hmin);
// time derivative
//dtfield(&f);
//Displayfield(&f);
// init the particles on a circle
PIC pic;
InitPIC(&pic, 100);
CreateCoil2DParticles(&pic, &f.macromesh);
PlotParticles(&pic, &f.macromesh);
f.pic = &pic;
// time evolution
real tmax = 0.1;
f.vmax = 1;
real dt = set_dt(&f);
RK2(&f, tmax, dt);
// Save the results and the error
//Plotfield(2, false, &f, NULL, "dgvisu.msh");
//Plotfield(2, true, &f, "error", "dgerror.msh");
real dd = L2error(&f);
real tolerance = 0.3;
test = test && (dd < tolerance);
printf("L2 error: %f\n", dd);
return test;
}
int TestPeriodic(void) {
bool test=true;
field f;
init_empty_field(&f);
f.model.m=_INDEX_MAX; // num of conservative variables
f.vmax = _VMAX; // maximal wave speed
f.model.NumFlux=VlasovP_Lagrangian_NumFlux;
f.model.Source = NULL;
f.model.BoundaryFlux = TestPeriodic_BoundaryFlux;
f.model.InitData = TestPeriodic_InitData;
f.model.ImposedData = TestPeriodic_ImposedData;
f.varindex=GenericVarindex;
f.pre_dtfield=NULL;
f.post_dtfield=NULL;
f.update_after_rk=NULL;
f.model.cfl=0.05;
f.interp.interp_param[0]=f.model.m; // _M
f.interp.interp_param[1]=3; // x direction degree
f.interp.interp_param[2]=0; // y direction degree
f.interp.interp_param[3]=0; // z direction degree
f.interp.interp_param[4]=10; // x direction refinement
f.interp.interp_param[5]=1; // y direction refinement
f.interp.interp_param[6]=1; // z direction refinement
// read the gmsh file
ReadMacroMesh(&(f.macromesh), "test/testcube.msh");
// try to detect a 2d mesh
Detect1DMacroMesh(&(f.macromesh));
assert(f.macromesh.is1d);
// mesh preparation
f.macromesh.period[0]=1;
BuildConnectivity(&(f.macromesh));
PrintMacroMesh(&(f.macromesh));
//assert(1==2);
//AffineMapMacroMesh(&(f.macromesh));
// prepare the initial fields
Initfield(&f);
f.nb_diags = 0;
// prudence...
CheckMacroMesh(&(f.macromesh),f.interp.interp_param+1);
printf("cfl param =%f\n",f.hmin);
// time derivative
//dtField(&f);
//DisplayField(&f);
//assert(1==2);
// apply the DG scheme
// time integration by RK2 scheme
// up to final time = 1.
//RK2(&f,0.5,0.1);
f.vmax=_VMAX;
real dt = set_dt(&f);
RK2(&f,0.5, dt);
// save the results and the error
Plotfield(0,(1==0),&f,"sol","dgvisu.msh");
Plotfield(0,(1==1),&f,"error","dgerror.msh");
real dd=L2error(&f);
real dd_Kinetic=L2_Kinetic_error(&f);
printf("erreur kinetic L2=%lf\n",dd_Kinetic);
printf("erreur L2=%lf\n",dd);
test= test && (dd<3e-3);
//SolvePoisson(&f);
return test;
}
int TestmEq2(void) {
bool test = true;
field f;
init_empty_field(&f);
int vec = 2;
f.model.cfl = 0.05;
if(vec == 2) {
f.model.m = 2; // num of conservative variables
} else {
f.model.m = 1; // num of conservative variables
}
f.model.NumFlux = VecTransNumFlux2d;
f.model.BoundaryFlux = VecTransBoundaryFlux2d;
f.model.InitData = VecTransInitData2d;
f.model.ImposedData = VecTransImposedData2d;
f.varindex = GenericVarindex;
f.interp.interp_param[0] = f.model.m;
f.interp.interp_param[1] = 2; // x direction degree
f.interp.interp_param[2] = 2; // y direction degree
f.interp.interp_param[3] = 0; // z direction degree
f.interp.interp_param[4] = 4; // x direction refinement
f.interp.interp_param[5] = 4; // y direction refinement
f.interp.interp_param[6] = 1; // z direction refinement
// Read the gmsh file
ReadMacroMesh(&(f.macromesh), "test/testcube.msh");
// Try to detect a 2d mesh
Detect2DMacroMesh(&(f.macromesh));
assert(f.macromesh.is2d);
// Mesh preparation
BuildConnectivity(&(f.macromesh));
//AffineMapMacroMesh(&(f.macromesh));
// Prepare the initial fields
Initfield(&f);
//f.dt = 1e-3;
// Prudence...
CheckMacroMesh(&(f.macromesh), f.interp.interp_param + 1);
printf("cfl param =%f\n", f.hmin);
// time derivative
//dtfield(&f);
//Displayfield(&f);
real tmax = 0.1;
f.vmax=1;
real dt = set_dt(&f);
RK2(&f, tmax, dt);
// Save the results and the error
Plotfield(0, false, &f, NULL, "dgvisu.msh");
Plotfield(0, true, &f, "error", "dgerror.msh");
real dd = L2error(&f);
real tolerance = 1e-4;
test = test && (dd < tolerance);
printf("L2 error: %f\n", dd);
return test;
};
int TestPoisson2d(void)
{
bool test = true;
field f;
init_empty_field(&f);
int vec=1;
// num of conservative variables f(vi) for each vi, phi, E, rho, u,
// p, e (ou T)
f.model.m=_INDEX_MAX;
f.vmax = _VMAX; // maximal wave speed
f.model.NumFlux = VlasovP_Lagrangian_NumFlux;
f.model.Source = VlasovP_Lagrangian_Source;
//f.model.Source = NULL;
f.model.BoundaryFlux = TestPoisson_BoundaryFlux;
f.model.InitData = TestPoisson_InitData;
f.model.ImposedData = TestPoisson_ImposedData;
f.model.Source = NULL;
f.varindex = GenericVarindex;
f.pre_dtfield = NULL;
f.update_after_rk = NULL;
f.interp.interp_param[0] = f.model.m; // _M
f.interp.interp_param[1] = 3; // x direction degree
f.interp.interp_param[2] = 3; // y direction degree
f.interp.interp_param[3] = 0; // z direction degree
f.interp.interp_param[4] = 2; // x direction refinement
f.interp.interp_param[5] = 2; // y direction refinement
f.interp.interp_param[6] = 1; // z direction refinement
// read the gmsh file
ReadMacroMesh(&(f.macromesh),"test/testdisque2d.msh");
//ReadMacroMesh(&(f.macromesh),"geo/square.msh");
// try to detect a 2d mesh
//bool is1d=Detect1DMacroMesh(&(f.macromesh));
Detect2DMacroMesh(&(f.macromesh));
bool is2d=f.macromesh.is2d;
assert(is2d);
// mesh preparation
BuildConnectivity(&(f.macromesh));
PrintMacroMesh(&(f.macromesh));
//assert(1==2);
//AffineMapMacroMesh(&(f.macromesh));
// prepare the initial fields
Initfield(&f);
f.nb_diags=0;
// prudence...
CheckMacroMesh(&(f.macromesh),f.interp.interp_param+1);
printf("cfl param =%f\n",f.hmin);
PoissonSolver ps;
InitPoissonSolver(&ps,&f,_INDEX_PHI);
SolvePoisson2D(&ps,_Dirichlet_Poisson_BC);
real errl2 = L2error(&f);
printf("Erreur L2=%f\n",errl2);
test = test && (errl2 < 4e-4);
printf("Plot...\n");
Plotfield(_INDEX_PHI, false, &f, NULL, "dgvisu.msh");
Plotfield(_INDEX_EX, false, &f, NULL, "dgex.msh");
return test;
}