1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
#include <numeric>
#include <AMReX_ParallelDescriptor.H>
#include <WarpX.H>
#include <WarpX_f.H>
using namespace amrex;
void
WarpX::InitData ()
{
BL_PROFILE("WarpX::InitData()");
if (restart_chkfile.empty())
{
InitFromScratch();
ComputeDt();
}
else
{
InitFromCheckpoint();
PostRestart();
if (is_synchronized) {
ComputeDt();
}
}
if (ParallelDescriptor::IOProcessor()) {
std::cout << "\nGrids Summary:\n";
printGridSummary(std::cout, 0, finestLevel());
}
if (restart_chkfile.empty())
{
if (plot_int > 0) {
WritePlotFile();
}
if (check_int > 0) {
WriteCheckPointFile();
}
}
}
void
WarpX::InitFromScratch ()
{
const Real time = 0.0;
AmrCore::InitFromScratch(time); // This will call MakeNewLevelFromScratch
mypc->AllocData();
mypc->InitData();
#ifdef USE_OPENBC_POISSON
InitOpenbc();
#endif
if (do_pml) {
pml[0].reset(new PML(boxArray(0), DistributionMap(0), &Geom(0), nullptr, pml_ncell, 0));
for (int lev = 1; lev <= finest_level; ++lev)
{
pml[lev].reset(new PML(boxArray(lev), DistributionMap(lev),
&Geom(lev), &Geom(lev-1), pml_ncell, refRatio(lev-1)[0]));
}
}
}
void
WarpX::PostRestart ()
{
mypc->PostRestart();
}
#ifdef USE_OPENBC_POISSON
void
WarpX::InitOpenbc ()
{
#ifndef BL_USE_MPI
static_assert(false, "must use MPI");
#endif
static_assert(BL_SPACEDIM == 3, "Openbc is 3D only");
BL_ASSERT(finestLevel() == 0);
const int lev = 0;
const Geometry& gm = Geom(lev);
const Box& gbox = gm.Domain();
int lohi[6];
warpx_openbc_decompose(gbox.loVect(), gbox.hiVect(), lohi, lohi+3);
int nprocs = ParallelDescriptor::NProcs();
int myproc = ParallelDescriptor::MyProc();
Array<int> alllohi(6*nprocs,100000);
MPI_Allgather(lohi, 6, MPI_INT, alllohi.data(), 6, MPI_INT, ParallelDescriptor::Communicator());
BoxList bl{IndexType::TheNodeType()};
for (int i = 0; i < nprocs; ++i)
{
bl.push_back(Box(IntVect(alllohi[6*i ],alllohi[6*i+1],alllohi[6*i+2]),
IntVect(alllohi[6*i+3],alllohi[6*i+4],alllohi[6*i+5]),
IndexType::TheNodeType()));
}
BoxArray ba{bl};
Array<int> iprocmap(nprocs+1);
std::iota(iprocmap.begin(), iprocmap.end(), 0);
iprocmap.back() = myproc;
DistributionMapping dm{iprocmap};
MultiFab rho_openbc(ba, dm, 1, 0);
MultiFab phi_openbc(ba, dm, 1, 0);
bool local = true;
const std::unique_ptr<MultiFab>& rho = mypc->GetChargeDensity(lev, local);
rho_openbc.setVal(0.0);
rho_openbc.copy(*rho, 0, 0, 1, rho->nGrow(), 0, gm.periodicity(), FabArrayBase::ADD);
const Real* dx = gm.CellSize();
warpx_openbc_potential(rho_openbc[myproc].dataPtr(), phi_openbc[myproc].dataPtr(), dx);
BoxArray nba = boxArray(lev);
nba.surroundingNodes();
MultiFab phi(nba, DistributionMap(lev), 1, 0);
phi.copy(phi_openbc, gm.periodicity());
for (MFIter mfi(phi); mfi.isValid(); ++mfi)
{
const Box& bx = mfi.validbox();
warpx_compute_E(bx.loVect(), bx.hiVect(),
BL_TO_FORTRAN_3D(phi[mfi]),
BL_TO_FORTRAN_3D((*Efield[lev][0])[mfi]),
BL_TO_FORTRAN_3D((*Efield[lev][1])[mfi]),
BL_TO_FORTRAN_3D((*Efield[lev][2])[mfi]),
dx);
}
}
#endif
|
