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
|
// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef BASICUNITCUBE_HH
#define BASICUNITCUBE_HH
// StructuredGridFactory cannot replace BasicUnitCube when creating a projected unit cube in test-alberta.cc
#include <dune/grid/common/gridfactory.hh>
// declaration of a basic unit cube that uses the GridFactory
template< int dim >
struct BasicUnitCube;
template<>
struct BasicUnitCube< 1 >
{
template< class Grid >
static void insertVertices ( Dune::GridFactory< Grid > &factory, const double left = 0.0, const double right = 1.0 )
{
Dune::FieldVector<double,1> pos;
pos[0] = left;
factory.insertVertex(pos);
pos[ 0 ] = right;
factory.insertVertex(pos);
}
template< class Grid >
static void insertSimplices ( Dune::GridFactory< Grid > &factory )
{
std::vector< unsigned int > cornerIDs( 2 );
cornerIDs[0] = 0; cornerIDs[1] = 1;
factory.insertElement( Dune::GeometryTypes::simplex( 1 ), cornerIDs );
}
template< class Grid >
static void insertCubes ( Dune::GridFactory< Grid > &factory )
{
std::vector< unsigned int > cornerIDs( 2 );
cornerIDs[0] = 0; cornerIDs[1] = 1;
factory.insertElement( Dune::GeometryTypes::cube( 1 ), cornerIDs );
}
};
// unit cube in two dimensions with 2 variants: triangle and rectangle elements
template<>
struct BasicUnitCube< 2 >
{
template< class Grid >
static void insertVertices ( Dune::GridFactory< Grid > &factory, const double left = 0.0, const double right = 1.0 )
{
Dune::FieldVector<double,2> pos;
pos[0] = right; pos[1] = left;
factory.insertVertex(pos); /*@\label{uc:iv}@*/
pos[0] = left; pos[1] = left;
factory.insertVertex(pos);
pos[0] = right; pos[1] = right;
factory.insertVertex(pos);
pos[0] = left; pos[1] = right;
factory.insertVertex(pos);
}
template< class Grid >
static void insertSimplices ( Dune::GridFactory< Grid > &factory )
{
std::vector< unsigned int > cornerIDs( 3 );
cornerIDs[0] = 0; cornerIDs[1] = 1; cornerIDs[2] = 2;
factory.insertElement( Dune::GeometryTypes::simplex( 2 ), cornerIDs ); /*@\label{uc:ie}@*/
cornerIDs[0] = 2; cornerIDs[1] = 1; cornerIDs[2] = 3;
factory.insertElement( Dune::GeometryTypes::simplex( 2 ), cornerIDs );
}
template< class Grid >
static void insertCubes ( Dune::GridFactory< Grid > &factory )
{
std::vector< unsigned int > cornerIDs( 4 );
for( int i = 0; i < 4; ++i )
cornerIDs[ i ] = i;
factory.insertElement( Dune::GeometryTypes::cube( 2 ), cornerIDs );
}
};
// unit cube in 3 dimensions with two variants: tetraheda and hexahedra
template<>
struct BasicUnitCube< 3 >
{
template< class Grid >
static void insertVertices ( Dune::GridFactory< Grid > &factory, const double left = 0.0, const double right = 1.0 )
{
Dune::FieldVector< double, 3 > pos;
pos[0] = right; pos[1] = left; pos[2] = left; factory.insertVertex(pos);
pos[0] = left; pos[1] = left; pos[2] = left; factory.insertVertex(pos);
pos[0] = right; pos[1] = right; pos[2] = left; factory.insertVertex(pos);
pos[0] = left; pos[1] = right; pos[2] = left; factory.insertVertex(pos);
pos[0] = right; pos[1] = left; pos[2] = right; factory.insertVertex(pos);
pos[0] = left; pos[1] = left; pos[2] = right; factory.insertVertex(pos);
pos[0] = right; pos[1] = right; pos[2] = right; factory.insertVertex(pos);
pos[0] = left; pos[1] = right; pos[2] = right; factory.insertVertex(pos);
}
template< class Grid >
static void insertSimplices ( Dune::GridFactory< Grid > &factory )
{
std::vector< unsigned int > cornerIDs( 4 );
cornerIDs[0] = 0; cornerIDs[1] = 1; cornerIDs[2] = 2; cornerIDs[3] = 4;
factory.insertElement( Dune::GeometryTypes::simplex( 3 ), cornerIDs );
cornerIDs[0] = 1; cornerIDs[1] = 3; cornerIDs[2] = 2; cornerIDs[3] = 7;
factory.insertElement( Dune::GeometryTypes::simplex( 3 ), cornerIDs );
cornerIDs[0] = 1; cornerIDs[1] = 7; cornerIDs[2] = 2; cornerIDs[3] = 4;
factory.insertElement( Dune::GeometryTypes::simplex( 3 ), cornerIDs );
cornerIDs[0] = 1; cornerIDs[1] = 7; cornerIDs[2] = 4; cornerIDs[3] = 5;
factory.insertElement( Dune::GeometryTypes::simplex( 3 ), cornerIDs );
cornerIDs[0] = 4; cornerIDs[1] = 7; cornerIDs[2] = 2; cornerIDs[3] = 6;
factory.insertElement( Dune::GeometryTypes::simplex( 3 ), cornerIDs );
}
template< class Grid >
static void insertCubes ( Dune::GridFactory< Grid > &factory )
{
std::vector< unsigned int > cornerIDs( 8 );
for( int i = 0; i < 8; ++i )
cornerIDs[ i ] = i;
factory.insertElement( Dune::GeometryTypes::cube( 3 ), cornerIDs );
}
};
#endif /*BASICUNITCUBE_HH*/
|
