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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
#include "MacroscopicProperties.H"
#include "Utils/WarpXUtil.H"
#include "WarpX.H"
#include <AMReX_Array4.H>
#include <AMReX_BoxArray.H>
#include <AMReX_Config.H>
#include <AMReX_DistributionMapping.H>
#include <AMReX_Geometry.H>
#include <AMReX_GpuLaunch.H>
#include <AMReX_IndexType.H>
#include <AMReX_IntVect.H>
#include <AMReX_MFIter.H>
#include <AMReX_ParmParse.H>
#include <AMReX_Print.H>
#include <AMReX_RealBox.H>
#include <AMReX_Parser.H>
#include <AMReX_BaseFwd.H>
#include <memory>
#include <sstream>
using namespace amrex;
MacroscopicProperties::MacroscopicProperties ()
{
ReadParameters();
}
void
MacroscopicProperties::ReadParameters ()
{
ParmParse pp_macroscopic("macroscopic");
// Since macroscopic maxwell solve is turned on,
// user-defined sigma, mu, and epsilon are queried.
// The vacuum values are used as default for the macroscopic parameters
// with a warning message to the user to indicate that no value was specified.
// Query input for material conductivity, sigma.
bool sigma_specified = false;
if (queryWithParser(pp_macroscopic, "sigma", m_sigma)) {
m_sigma_s = "constant";
sigma_specified = true;
}
if (pp_macroscopic.query("sigma_function(x,y,z)", m_str_sigma_function) ) {
m_sigma_s = "parse_sigma_function";
sigma_specified = true;
}
if (!sigma_specified) {
std::stringstream warnMsg;
warnMsg << "Material conductivity is not specified. Using default vacuum value of " <<
m_sigma << " in the simulation.";
WarpX::GetInstance().RecordWarning("Macroscopic properties",
warnMsg.str());
}
// initialization of sigma (conductivity) with parser
if (m_sigma_s == "parse_sigma_function") {
Store_parserString(pp_macroscopic, "sigma_function(x,y,z)", m_str_sigma_function);
m_sigma_parser = std::make_unique<amrex::Parser>(
makeParser(m_str_sigma_function,{"x","y","z"}));
}
bool epsilon_specified = false;
if (queryWithParser(pp_macroscopic, "epsilon", m_epsilon)) {
m_epsilon_s = "constant";
epsilon_specified = true;
}
if (pp_macroscopic.query("epsilon_function(x,y,z)", m_str_epsilon_function) ) {
m_epsilon_s = "parse_epsilon_function";
epsilon_specified = true;
}
if (!epsilon_specified) {
std::stringstream warnMsg;
warnMsg << "Material permittivity is not specified. Using default vacuum value of " <<
m_epsilon << " in the simulation.";
WarpX::GetInstance().RecordWarning("Macroscopic properties",
warnMsg.str());
}
// initialization of epsilon (permittivity) with parser
if (m_epsilon_s == "parse_epsilon_function") {
Store_parserString(pp_macroscopic, "epsilon_function(x,y,z)", m_str_epsilon_function);
m_epsilon_parser = std::make_unique<amrex::Parser>(
makeParser(m_str_epsilon_function,{"x","y","z"}));
}
// Query input for material permittivity, epsilon.
bool mu_specified = false;
if (queryWithParser(pp_macroscopic, "mu", m_mu)) {
m_mu_s = "constant";
mu_specified = true;
}
if (pp_macroscopic.query("mu_function(x,y,z)", m_str_mu_function) ) {
m_mu_s = "parse_mu_function";
mu_specified = true;
}
if (!mu_specified) {
std::stringstream warnMsg;
warnMsg << "Material permittivity is not specified. Using default vacuum value of " <<
m_mu << " in the simulation.";
WarpX::GetInstance().RecordWarning("Macroscopic properties",
warnMsg.str());
}
// initialization of mu (permeability) with parser
if (m_mu_s == "parse_mu_function") {
Store_parserString(pp_macroscopic, "mu_function(x,y,z)", m_str_mu_function);
m_mu_parser = std::make_unique<amrex::Parser>(
makeParser(m_str_mu_function,{"x","y","z"}));
}
}
void
MacroscopicProperties::InitData ()
{
amrex::Print() << "we are in init data of macro \n";
auto & warpx = WarpX::GetInstance();
// Get BoxArray and DistributionMap of warpx instance.
int lev = 0;
amrex::BoxArray ba = warpx.boxArray(lev);
amrex::DistributionMapping dmap = warpx.DistributionMap(lev);
const amrex::IntVect ng_EB_alloc = warpx.getngE();
// Define material property multifabs using ba and dmap from WarpX instance
// sigma is cell-centered MultiFab
m_sigma_mf = std::make_unique<amrex::MultiFab>(ba, dmap, 1, ng_EB_alloc);
// epsilon is cell-centered MultiFab
m_eps_mf = std::make_unique<amrex::MultiFab>(ba, dmap, 1, ng_EB_alloc);
// mu is cell-centered MultiFab
m_mu_mf = std::make_unique<amrex::MultiFab>(ba, dmap, 1, ng_EB_alloc);
// Initialize sigma
if (m_sigma_s == "constant") {
m_sigma_mf->setVal(m_sigma);
} else if (m_sigma_s == "parse_sigma_function") {
InitializeMacroMultiFabUsingParser(m_sigma_mf.get(), m_sigma_parser->compile<3>(), lev);
}
// Initialize epsilon
if (m_epsilon_s == "constant") {
m_eps_mf->setVal(m_epsilon);
} else if (m_epsilon_s == "parse_epsilon_function") {
InitializeMacroMultiFabUsingParser(m_eps_mf.get(), m_epsilon_parser->compile<3>(), lev);
}
// Initialize mu
if (m_mu_s == "constant") {
m_mu_mf->setVal(m_mu);
} else if (m_mu_s == "parse_mu_function") {
InitializeMacroMultiFabUsingParser(m_mu_mf.get(), m_mu_parser->compile<3>(), lev);
}
amrex::IntVect sigma_stag = m_sigma_mf->ixType().toIntVect();
amrex::IntVect epsilon_stag = m_eps_mf->ixType().toIntVect();
amrex::IntVect mu_stag = m_mu_mf->ixType().toIntVect();
amrex::IntVect Ex_stag = warpx.getEfield_fp(0,0).ixType().toIntVect();
amrex::IntVect Ey_stag = warpx.getEfield_fp(0,1).ixType().toIntVect();
amrex::IntVect Ez_stag = warpx.getEfield_fp(0,2).ixType().toIntVect();
for ( int idim = 0; idim < AMREX_SPACEDIM; ++idim) {
sigma_IndexType[idim] = sigma_stag[idim];
epsilon_IndexType[idim] = epsilon_stag[idim];
mu_IndexType[idim] = mu_stag[idim];
Ex_IndexType[idim] = Ex_stag[idim];
Ey_IndexType[idim] = Ey_stag[idim];
Ez_IndexType[idim] = Ez_stag[idim];
macro_cr_ratio[idim] = 1;
}
#if (AMREX_SPACEDIM==2)
sigma_IndexType[2] = 0;
epsilon_IndexType[2] = 0;
mu_IndexType[2] = 0;
Ex_IndexType[2] = 0;
Ey_IndexType[2] = 0;
Ez_IndexType[2] = 0;
macro_cr_ratio[2] = 1;
#endif
}
void
MacroscopicProperties::InitializeMacroMultiFabUsingParser (
amrex::MultiFab *macro_mf,
amrex::ParserExecutor<3> const& macro_parser,
const int lev)
{
WarpX& warpx = WarpX::GetInstance();
const amrex::GpuArray<amrex::Real, AMREX_SPACEDIM> dx_lev = warpx.Geom(lev).CellSizeArray();
const amrex::RealBox& real_box = warpx.Geom(lev).ProbDomain();
amrex::IntVect iv = macro_mf->ixType().toIntVect();
for ( amrex::MFIter mfi(*macro_mf, TilingIfNotGPU()); mfi.isValid(); ++mfi ) {
// Initialize ghost cells in addition to valid cells
const amrex::Box& tb = mfi.tilebox( iv, macro_mf->nGrowVect());
amrex::Array4<amrex::Real> const& macro_fab = macro_mf->array(mfi);
amrex::ParallelFor (tb,
[=] AMREX_GPU_DEVICE (int i, int j, int k) {
// Shift x, y, z position based on index type
amrex::Real fac_x = (1._rt - iv[0]) * dx_lev[0] * 0.5_rt;
amrex::Real x = i * dx_lev[0] + real_box.lo(0) + fac_x;
#if (AMREX_SPACEDIM==2)
amrex::Real y = 0._rt;
amrex::Real fac_z = (1._rt - iv[1]) * dx_lev[1] * 0.5_rt;
amrex::Real z = j * dx_lev[1] + real_box.lo(1) + fac_z;
#else
amrex::Real fac_y = (1._rt - iv[1]) * dx_lev[1] * 0.5_rt;
amrex::Real y = j * dx_lev[1] + real_box.lo(1) + fac_y;
amrex::Real fac_z = (1._rt - iv[2]) * dx_lev[2] * 0.5_rt;
amrex::Real z = k * dx_lev[2] + real_box.lo(2) + fac_z;
#endif
// initialize the macroparameter
macro_fab(i,j,k) = macro_parser(x,y,z);
});
}
}
|
