ElInfo.cc 3.97 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
#include "ElInfo.h"
#include "BasisFunction.h"
#include "Element.h"
#include "Line.h"
#include "Triangle.h"
#include "Tetrahedron.h"
#include "FiniteElemSpace.h"
#include "Flag.h"
#include "MacroElement.h"
#include "Mesh.h"
#include "Global.h"
#include "FixVec.h"
#include "DOFVector.h"

namespace AMDiS {

  ElInfo::ElInfo(Mesh *aMesh) 
    : mesh_(aMesh),
      element_(NULL),
      parent_(NULL),
      macroElement_(NULL),
22
      level(0),
23
      iChild(0),
24
25
26
27
28
      coord_(mesh_->getDim(), NO_INIT),
      boundary_(mesh_->getDim(), DEFAULT_VALUE, INTERIOR),
      projection_(mesh_->getDim(), NO_INIT),
      oppCoord_(mesh_->getDim(), NO_INIT),
      neighbour_(mesh_->getDim(), NO_INIT),
29
      neighbourCoord_(mesh_->getDim(), NO_INIT),
30
      oppVertex_(mesh_->getDim(), NO_INIT),
Thomas Witkowski's avatar
Thomas Witkowski committed
31
      grdLambda(mesh_->getDim(), NO_INIT),
32
33
      subElemCoordsMat(NULL),
      subElemCoordsMat_mtl(2, 2)
34
35
  {
    projection_.set(NULL);
36

37
    for (int i = 0; i < neighbourCoord_.getSize(); i++)
38
      neighbourCoord_[i].init(mesh_->getDim());
Thomas Witkowski's avatar
Thomas Witkowski committed
39
40

    dimOfWorld = Global::getGeo(WORLD);
41
42
43
44
  }

  ElInfo::~ElInfo()
  {
45
    if (subElemCoordsMat)
46
      DELETE subElemCoordsMat;
47
48
49
  }


50
51
  void ElInfo::coordToWorld(const DimVec<double>& l, 
			    WorldVector<double>& w) const
52
53
54
55

  {
    int dim = l.getSize() - 1;

56
    double c = l[0];
57

58
    for (int j = 0; j < dimOfWorld; j++)
59
      w[j] = c * coord_[0][j];
60
  
Thomas Witkowski's avatar
Thomas Witkowski committed
61
    int vertices = Global::getGeo(VERTEX, dim);
62

63
    for (int i = 1; i < vertices; i++) {
64
      c = l[i];
65
      for (int j = 0; j < dimOfWorld; j++)
66
	w[j] += c * coord_[i][j];
67
68
69
70
71
72
73
74
75
76
77
78
79
    }
  }

  /****************************************************************************/
  /*  compute volume of an element                                            */
  /****************************************************************************/

  double ElInfo::calcDet() const
  {
    testFlag(Mesh::FILL_COORDS);
    return calcDet(coord_);
  }

Thomas Witkowski's avatar
Thomas Witkowski committed
80
  double ElInfo::calcDet(const FixVec<WorldVector<double>, VERTEX> &coords) const
81
  {
82
    FUNCNAME("ElInfo::calcDet()");
83
84
85
86

    int dim = coords.getSize() - 1;
    int dow = Global::getGeo(WORLD);

87
    TEST_EXIT_DBG(dim <= dow)("dim > dow\n");
88
89
90
91
92
93

    double det = 0.0;

    if (dim == 0)
      return 1.0;

Thomas Witkowski's avatar
Thomas Witkowski committed
94
    switch (dow) {
95
96
97
98
    case 1:
      det = coords[1][0] - coords[0][0];
      break;
    case 2:
99
      if (dim == 1) {
Thomas Witkowski's avatar
Thomas Witkowski committed
100
101
102
103
104

	WorldVector<double> e1;

	e1[0] = coords[1][0] - coords[0][0];
	e1[1] = coords[1][1] - coords[0][1];
105
	det = norm(&e1);
Thomas Witkowski's avatar
Thomas Witkowski committed
106

107
      } else {
Thomas Witkowski's avatar
Thomas Witkowski committed
108
109
110
111

	det = (coords[1][0] - coords[0][0]) * (coords[2][1] - coords[0][1]) - 
	  (coords[1][1] - coords[0][1]) * (coords[2][0] - coords[0][0]);

112
113
114
115
      }
      break;
    case 3: 
      {
Thomas Witkowski's avatar
Thomas Witkowski committed
116
	WorldVector<double> e1, e2, e3, n;
117
	
Thomas Witkowski's avatar
Thomas Witkowski committed
118
119
120
121
122
123
124
125
	for (int i = 0; i < dow; i++) {
	  e1[i] = coords[1][i] - coords[0][i];
	  if (dim > 1)
	    e2[i] = coords[2][i] - coords[0][i];
	  if (dim > 2)
	    e3[i] = coords[3][i] - coords[0][i];
	}
  
126
	if (dim > 1) {
Thomas Witkowski's avatar
Thomas Witkowski committed
127
128
129
	  n[0] = e1[1] * e2[2] - e1[2] * e2[1];
	  n[1] = e1[2] * e2[0] - e1[0] * e2[2];
	  n[2] = e1[0] * e2[1] - e1[1] * e2[0];
130
	}
131
	
132
	if (dim == 1) {
133
134
135
136
	  det = norm(&e1);
	} else if (dim == 2) {
	  det = norm(&n);
	} else if (dim == 3) {
137
	  det = n[0] * e3[0] + n[1] * e3[1] + n[2] * e3[2];
138
	} else
Thomas Witkowski's avatar
Thomas Witkowski committed
139
	  ERROR_EXIT("not yet for problem dimension = %d", dim);
140
141
	break;
      } 
142
    default:
Thomas Witkowski's avatar
Thomas Witkowski committed
143
      ERROR_EXIT("not yet for Global::getGeo(WORLD) = %d", dow);
144
    }
145
    
146
147
148
149
150
    return abs(det);
  }

  void ElInfo::testFlag(const Flag& flags) const
  {
151
    TEST_EXIT_DBG(fillFlag_.isSet(flags))("flag not set\n");
152
153
154
155
156
  }


  void ElInfo::fillDetGrdLambda() 
  { 
157
    if (fillFlag_.isSet(Mesh::FILL_GRD_LAMBDA)) {
Thomas Witkowski's avatar
Thomas Witkowski committed
158
      det_ = calcGrdLambda(grdLambda);
159
    } else {
160
      if (fillFlag_.isSet(Mesh::FILL_DET)) {
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
	det_ = calcDet();
      }
    }
  }

  BoundaryType ElInfo::getBoundary(GeoIndex pos, int i)
  {
    static int indexOffset[3][3] = {
      { 0, 0, 0},
      { 3, 0, 0},
      {10, 4, 0}
    };

    int dim = mesh_->getDim();
    int posIndex = DIM_OF_INDEX(pos, dim);
176
    int offset = indexOffset[dim - 1][posIndex];
177
    
178
179
180
181
    return boundary_[offset + i];
  }

}