/[escript]/trunk/finley/src/Mesh.h
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Contents of /trunk/finley/src/Mesh.h

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Revision 2548 - (show annotations)
Mon Jul 20 06:20:06 2009 UTC (9 years, 10 months ago) by jfenwick
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1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2009 by University of Queensland
5 * Earth Systems Science Computational Center (ESSCC)
6 * http://www.uq.edu.au/esscc
7 *
8 * Primary Business: Queensland, Australia
9 * Licensed under the Open Software License version 3.0
10 * http://www.opensource.org/licenses/osl-3.0.php
11 *
12 *******************************************************/
13
14
15 #ifndef INC_FINLEY_MESH
16 #define INC_FINLEY_MESH
17
18 /**************************************************************/
19
20 /* Finley: Mesh */
21
22 /* A mesh is built from nodes and elements which are describing the
23 domain, the surface and point sources. (the latter are needed to
24 establish links with other codes, in particular to particle
25 codes). The nodes are stored a Finley_NodeFile and elements in a
26 Finley_ElementFile. A Finley_NodeFile and three Finley_ElementFile
27 containing the elements describing the domain, surface and point
28 sources respectively. Notice that the surface elements do not
29 necessaryly cover the entire surface of the domain. */
30
31 /* The element type is fixed by the reference element, see
32 ReferenceElement.h. The numbering of the nodes starts with 0. */
33
34 /* Important: it is assumed that every node is appearing in at least
35 one element or surface element and that any node used in an
36 element, surface element or as a point is specified in the
37 Finley_Node, see also Finley_resolveNodeIds. */
38
39 /* In some cases it is useful to refer to a mesh entirly built from
40 order 1 (=linear) elements. The linear version of the mesh can be
41 accessed by referning to the first few nodes of each element
42 (thanks to the way the nodes are ordered). As the numbering of
43 these nodes is not continuous a relabeling vectors are introduced
44 in the Finley_NodeFile. This feature is not fully implemented
45 yet. */
46
47 /* allnodes and elements are tagged. the tag allows to group nodes and
48 elements. A typical application is to mark surface elements on a
49 certain portion of the domain with the same tag. All these surface
50 elements can then assigned the same value eg. for the pressure. */
51
52 /* Thespacial dimension is determined by the type of elements
53 used. The spacial dimension should be accessed by the function
54 Finley_Mesh_getDim. Notice that the element type also determines
55 the type of surface elements to be used. */
56
57 /**************************************************************/
58
59 #include "Finley.h"
60 #include "NodeFile.h"
61 #include "ElementFile.h"
62 #include "TagMap.h"
63 #include "Util.h"
64 #include "paso/SystemMatrixPattern.h"
65 #include "escript/DataC.h"
66
67 #ifdef PASO_MPI
68 #include "paso/Paso_MPI.h"
69 #endif
70
71 /**************************************************************/
72
73 /* this struct holds a mesh: */
74
75 struct Finley_Mesh {
76 char* Name; /* the name of the mesh */
77 index_t order; /* integration order */
78 index_t reduced_order; /* reduced integration order */
79 dim_t reference_counter; /* counts the number of references to the mesh; */
80 Finley_NodeFile* Nodes; /* the table of the nodes */
81 Finley_ElementFile* Elements; /* the table of the elements */
82 Finley_ElementFile* FaceElements; /* the table of the face elements */
83 Finley_ElementFile* ContactElements; /* the table of the contact elements */
84 Finley_ElementFile* Points; /* the table of points (treated as elements of dimension 0) */
85 Finley_TagMap* TagMap; /* the tag map mapping names to tag keys */
86
87 /* pointer to the sparse matrix pattern */
88
89 Paso_SystemMatrixPattern *FullFullPattern;
90 Paso_SystemMatrixPattern *FullReducedPattern;
91 Paso_SystemMatrixPattern *ReducedFullPattern;
92 Paso_SystemMatrixPattern *ReducedReducedPattern;
93 Paso_MPIInfo *MPIInfo;
94 };
95
96 typedef struct Finley_Mesh Finley_Mesh;
97
98 /* these structures are used for matching surfaces elements: */
99
100 struct Finley_Mesh_findMatchingFaces_center{
101 index_t refId;
102 double x[MAX_numDim];
103 };
104 typedef struct Finley_Mesh_findMatchingFaces_center Finley_Mesh_findMatchingFaces_center;
105
106 /**************************************************************/
107
108 /* interfaces: */
109 Finley_Mesh* Finley_Mesh_alloc(char* name,dim_t numDim, index_t order, index_t reduced_order, Paso_MPIInfo *mpi_info);
110 Finley_Mesh* Finley_Mesh_reference(Finley_Mesh*);
111 dim_t Finley_Mesh_getDim(Finley_Mesh*);
112 void Finley_Mesh_free(Finley_Mesh*);
113
114 void Finley_Mesh_addTagMap(Finley_Mesh *mesh_p,const char* name, index_t tag_key);
115 index_t Finley_Mesh_getTag(Finley_Mesh *mesh_p,const char* name);
116 bool_t Finley_Mesh_isValidTagName(Finley_Mesh *mesh_p,const char* name);
117 void Finley_Mesh_distributeByRankOfDOF(Finley_Mesh* in, dim_t *distribution);
118 Paso_SystemMatrixPattern* Finley_getPattern(Finley_Mesh *mesh,bool_t reduce_row_order, bool_t reduce_col_order);
119 Paso_SystemMatrixPattern* Finley_makePattern(Finley_Mesh *mesh,bool_t reduce_row_order, bool_t reduce_col_order);
120 void Finley_Mesh_write(Finley_Mesh*,char*);
121 void Finley_Mesh_dump(Finley_Mesh *in,char* fname);
122 void Finley_PrintMesh_Info(Finley_Mesh *, bool_t);
123 Finley_Mesh* Finley_Mesh_load(char* fname);
124 Finley_Mesh* Finley_Mesh_read(char*,index_t, index_t, bool_t);
125 Finley_Mesh* Finley_Mesh_read_MPI(char*,index_t, index_t, bool_t);
126 Finley_Mesh* Finley_Mesh_readGmsh(char*,index_t, index_t, index_t, bool_t);
127 void Finley_Mesh_setCoordinates(Finley_Mesh*,escriptDataC*);
128 void Finley_Mesh_setElements(Finley_Mesh* self,Finley_ElementFile *elements);
129 void Finley_Mesh_setFaceElements(Finley_Mesh* self,Finley_ElementFile *elements);
130 void Finley_Mesh_setContactElements(Finley_Mesh* self,Finley_ElementFile *elements);
131 void Finley_Mesh_setPoints(Finley_Mesh* self,Finley_ElementFile *elements);
132 void Finley_Mesh_optimizeDOFDistribution(Finley_Mesh* in,dim_t *distribution);
133 void Finley_Mesh_prepare(Finley_Mesh* in, bool_t optimize);
134 void Finley_Mesh_createColoring(Finley_Mesh* in, index_t *node_localDOF_map);
135 void Finley_Mesh_optimizeElementOrdering(Finley_Mesh* in);
136 void Finley_Mesh_resolveNodeIds(Finley_Mesh*);
137 void Finley_Mesh_createMappings(Finley_Mesh* in, index_t *dof_distribution, index_t *node_distribution);
138 void Finley_Mesh_createNodeFileMappings(Finley_Mesh* in, dim_t numReducedNodes, index_t* indexReducedNodes, index_t* dof_first_component, index_t* nodes_first_component);
139 void Finley_Mesh_markDOFsConnectedToRange(index_t* mask, index_t offset, index_t marker,index_t firstDOF,index_t lastDOF,Finley_Mesh* in, bool_t useLinear);
140
141 void Finley_Mesh_optimizeDOFLabeling(Finley_Mesh*,dim_t *);
142
143
144 Finley_Mesh* Finley_Mesh_merge(dim_t, Finley_Mesh**);
145
146 void Finley_Mesh_relableElementNodes(int*,int,Finley_Mesh*);
147 void Finley_Mesh_markNodes(int*,int,Finley_Mesh*,int);
148
149 void Finley_Mesh_glueFaces(Finley_Mesh* self,double safety_factor,double tolerance, bool_t);
150 void Finley_Mesh_joinFaces(Finley_Mesh* self,double safety_factor,double tolerance, bool_t);
151
152 int Finley_Mesh_findMatchingFaces_compar(const void*,const void*);
153 void Finley_Mesh_findMatchingFaces(Finley_NodeFile*,Finley_ElementFile *,double,double, int*, int*,int*,int*);
154 void Finley_Mesh_print(Finley_Mesh *in);
155 void Finley_Mesh_saveDX(const char * filename_p, Finley_Mesh *mesh_p, const dim_t num_data,char* *names_p,escriptDataC* *data_pp);
156 void Finley_Mesh_optimizeNodeLabeling(Finley_Mesh* mesh_p);
157 dim_t Finley_Mesh_FindMinDegreeNode(Paso_SystemMatrixPattern* pattern_p,index_t* available,index_t indicator);
158 index_t Finley_Mesh_getDegree(Paso_SystemMatrixPattern* pattern_p, index_t *label);
159
160
161 void Finley_Mesh_saveVTK(const char * filename_p, Finley_Mesh *mesh_p, const dim_t num_data,char* *names_p,escriptDataC* *data_pp, const char* metadata, const char*metadata_schema);
162 void Finley_Mesh_setTagsInUse(Finley_Mesh* in);
163
164 int Finley_Mesh_getStatus(Finley_Mesh* in);
165
166 #endif /* #ifndef INC_FINLEY_MESH */
167

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