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 | // *****************************************************************************
/*!
\file src/Physics/Box.cpp
\copyright 2012-2015 J. Bakosi,
2016-2018 Los Alamos National Security, LLC.,
2019-2021 Triad National Security, LLC.,
2022-2025 J. Bakosi
All rights reserved. See the LICENSE file for details.
\brief Initial conditions box related functionality
*/
// *****************************************************************************
#include "Box.hpp"
#include "EOS.hpp"
#include "InciterConfig.hpp"
namespace inciter {
extern ctr::Config g_cfg;
} // ::inciter
namespace problems {
using inciter::g_cfg;
std::vector< std::unordered_set< std::size_t > >
boxnodes( const std::array< std::vector< tk::real >, 3 >& coord )
// *****************************************************************************
// Determine nodes that lie inside user-defined IC box(es)
//! \param[in] coord Mesh node coordinates
//! \return inbox List of nodes at which box user ICs are set for each IC box
// *****************************************************************************
{
const auto& icbox = g_cfg.get< tag::ic, tag::boxes >();
if (icbox.empty()) return {};
std::vector< std::unordered_set< std::size_t > > inbox;
const auto& x = coord[0];
const auto& y = coord[1];
const auto& z = coord[2];
std::size_t bcnt = 0;
for (const auto& b : icbox) {
inbox.emplace_back();
const auto& bx = b.get< tag::box_x >();
const auto& by = b.get< tag::box_y >();
const auto& bz = b.get< tag::box_z >();
std::vector< tk::real > box{ bx[0], bx[1], by[0], by[1], bz[0], bz[1] };<--- Shadow variable
const auto eps = std::numeric_limits< tk::real >::epsilon();
// Determine which nodes lie in the IC box
if ( std::any_of( begin(box), end(box), [=](auto p)
{ return abs(p) > eps; } ) )
{
std::array< tk::real, 3 > b_min{{box[0], box[2], box[4]}};<--- Variable 'b_min' can be declared as const array
std::array< tk::real, 3 > b_max{{box[1], box[3], box[5]}};<--- Variable 'b_max' can be declared as const array
for (std::size_t i=0; i<x.size(); ++i) {
std::array< tk::real, 3 > node{{ x[i], y[i], z[i] }};<--- Variable 'node' can be declared as const array
if ( node[0]>b_min[0] && node[0]<b_max[0] &&
node[1]>b_min[1] && node[1]<b_max[1] &&
node[2]>b_min[2] && node[2]<b_max[2] )
{
inbox[bcnt].insert( i );
}
}
}
++bcnt;
}
return inbox;
}
void
box( std::size_t p,
std::vector< tk::real >& u,
const std::vector< std::unordered_set< std::size_t > >& boxnodes )
// *****************************************************************************
// Evaluate solution in user-defined IC box
//! \param[in] p Local mesh node id at which to evaluate
//! \param[in,out] u Solution to overwrite with box value
//! \param[in] boxnodes Nodes at which box user ICs are set (for each box IC)
// *****************************************************************************
{
const auto& icbox = g_cfg.get< tag::ic, tag::boxes >();
if (icbox.empty()) return;
auto large = std::numeric_limits< double >::max();
for (std::size_t j=0; j<icbox.size(); ++j) {
const auto& b = icbox[j];
if (boxnodes.size() > j && boxnodes[j].find(p) != boxnodes[j].end()) {
auto boxr = b.get< tag::box_density >();
const auto& boxv = b.get< tag::box_velocity >();
auto boxp = b.get< tag::box_pressure >();
auto boxe = b.get< tag::box_energy >();
auto boxt = b.get< tag::box_temperature >();
tk::real r = 0.0, ru = 0.0, rv = 0.0, rw = 0.0, re = 0.0;
if (std::abs(boxr - large) > 1.0e-12 && boxr > 0.0) {
r = boxr;
}
if (std::abs(boxv[0] - large) > 1.0e-12 &&
std::abs(boxv[1] - large) > 1.0e-12 &&
std::abs(boxv[2] - large) > 1.0e-12)
{
ru = r * boxv[0];
rv = r * boxv[1];
rw = r * boxv[2];
}
if (std::abs(boxp - large) > 1.0e-12 && boxp> 0.0) {
re = eos::totalenergy( r, ru/r, rv/r, rw/r, boxp);
}
if (std::abs(boxe - large) > 1.0e-12 && boxe > 0.0) {
auto ux = ru/r, uy = rv/r, uz = rw/r;
auto ke = 0.5*(ux*ux + uy*uy + uz*uz);
re = r * (boxe + ke);
}
if (std::abs(boxt - large) > 1.0e-12 && boxt > 0.0) {
auto cv = g_cfg.get< tag::mat_spec_heat_const_vol >();
if (std::abs(cv - large) > 1.0e-12 && cv > 0.0) {
re = r * boxt * cv;
}
}
u[0] = r;
u[1] = ru;
u[2] = rv;
u[3] = rw;
u[4] = re;
}
}
}
} // problems::
|