1 |
|
2 |
/******************************************************* |
3 |
* |
4 |
* Copyright (c) 2003-2010 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 |
/**************************************************************/ |
16 |
|
17 |
/* Finley: Reference elements */ |
18 |
|
19 |
/**************************************************************/ |
20 |
|
21 |
#ifndef INC_FINLEY_REFERENCEELEMENTS |
22 |
#define INC_FINLEY_REFERENCEELEMENTS |
23 |
|
24 |
|
25 |
/**************************************************************/ |
26 |
|
27 |
#include "Finley.h" |
28 |
#include "ShapeFunctions.h" |
29 |
#include "Quadrature.h" |
30 |
|
31 |
/**************************************************************/ |
32 |
|
33 |
/* The ids of the allowed reference ellements: */ |
34 |
|
35 |
#define MAX_numNodes 64 |
36 |
|
37 |
typedef enum { |
38 |
Point1, |
39 |
Line2, |
40 |
Line3, |
41 |
Line4, |
42 |
Tri3, |
43 |
Tri6, |
44 |
Tri9, |
45 |
Tri10, |
46 |
Rec4, |
47 |
Rec8, |
48 |
Rec9, |
49 |
Rec12, |
50 |
Rec16, |
51 |
Tet4, |
52 |
Tet10, |
53 |
Tet16, |
54 |
Hex8, |
55 |
Hex20, |
56 |
Hex27, |
57 |
Hex32, |
58 |
Line2Face, |
59 |
Line3Face, |
60 |
Line4Face, |
61 |
Tri3Face, |
62 |
Tri6Face, |
63 |
Tri9Face, |
64 |
Tri10Face, |
65 |
Rec4Face, |
66 |
Rec8Face, |
67 |
Rec9Face, |
68 |
Rec12Face, |
69 |
Rec16Face, |
70 |
Tet4Face, |
71 |
Tet10Face, |
72 |
Tet16Face, |
73 |
Hex8Face, |
74 |
Hex20Face, |
75 |
Hex27Face, |
76 |
Hex32Face, |
77 |
Point1_Contact, |
78 |
Line2_Contact, |
79 |
Line3_Contact, |
80 |
Line4_Contact, |
81 |
Tri3_Contact, |
82 |
Tri6_Contact, |
83 |
Tri9_Contact, |
84 |
Tri10_Contact, |
85 |
Rec4_Contact, |
86 |
Rec8_Contact, |
87 |
Rec9_Contact, |
88 |
Rec12_Contact, |
89 |
Rec16_Contact, |
90 |
Line2Face_Contact, |
91 |
Line3Face_Contact, |
92 |
Line4Face_Contact, |
93 |
Tri3Face_Contact, |
94 |
Tri6Face_Contact, |
95 |
Tri9Face_Contact, |
96 |
Tri10Face_Contact, |
97 |
Rec4Face_Contact, |
98 |
Rec8Face_Contact, |
99 |
Rec9Face_Contact, |
100 |
Rec12Face_Contact, |
101 |
Rec16Face_Contact, |
102 |
Tet4Face_Contact, |
103 |
Tet10Face_Contact, |
104 |
Tet16Face_Contact, |
105 |
Hex8Face_Contact, |
106 |
Hex20Face_Contact, |
107 |
Hex27Face_Contact, |
108 |
Hex32Face_Contact, |
109 |
Line3Macro, |
110 |
Tri6Macro, |
111 |
Rec9Macro, |
112 |
Tet10Macro, |
113 |
Hex27Macro, |
114 |
|
115 |
NoType /* marks end of list */ |
116 |
} ElementTypeId; |
117 |
|
118 |
/**************************************************************/ |
119 |
|
120 |
/* this struct holds the definition of the reference element: */ |
121 |
|
122 |
typedef struct Finley_ReferenceElementInfo { |
123 |
ElementTypeId TypeId; /* the id */ |
124 |
char* Name; /* the name in text form e.g. Line1,Rec12,... */ |
125 |
dim_t numLocalDim; /* local dimension of the element */ |
126 |
dim_t numDim; /* dimension of the element */ |
127 |
dim_t numNodes; /* number of nodes defining the element*/ |
128 |
dim_t numShapes; /* number of shape functions, typically = numNodes*/ |
129 |
dim_t numOrder; /* order of the shape functions */ |
130 |
dim_t numVertices; /* number of vertices of the element */ |
131 |
ElementTypeId LinearTypeId; /* id of the linear version of the element */ |
132 |
index_t linearNodes[MAX_numNodes]; /* gives the list of nodes defining the linear or macro element, typically it is linearNodes[i]=i */ |
133 |
Finley_Shape_Function* getValues; /* function to evaluate the shape functions at a set of points */ |
134 |
Finley_Quad_getNodes* getQuadNodes; /* function to set the quadrature points */ |
135 |
Finley_Quad_getNumNodes* getNumQuadNodes; /* function selects the number of quadrature nodes for a given accuracy order */ |
136 |
|
137 |
/*********************************************************************************************************************************** */ |
138 |
dim_t numRelevantGeoNodes; /* number of nodes used to describe the geometry of the geometrically relevant part of the element |
139 |
typically this is numNodes but for 'Face' elements where the quadrature points are defined on face of the element |
140 |
this is the number of nodes on the particular face. */ |
141 |
index_t relevantGeoNodes[MAX_numNodes]; /* list to gather the geometrically relevant nodes (length used is numRelevantGeoNodes) |
142 |
this list is used for VTK interface */ |
143 |
|
144 |
dim_t numNodesOnFace; /* if the element is allowed as a face element, numNodesOnFace defines the number of nodes defining the face */ |
145 |
/* the following lists are only used for face elements defined by numNodesOnFace>0 */ |
146 |
index_t faceNodes[MAX_numNodes]; /* list of the nodes defining the face */ |
147 |
index_t shiftNodes[MAX_numNodes]; /* defines a permutation of the nodes which rotates the nodes on the face */ |
148 |
index_t reverseNodes[MAX_numNodes]; /* reverses the order of the nodes on a face. the permutation has keep 0 fixed. */ |
149 |
/* shiftNodes={-1} or reverseNodes={-1} are ignored. */ |
150 |
} Finley_ReferenceElementInfo; |
151 |
|
152 |
/**************************************************************/ |
153 |
|
154 |
/* this struct holds the realization of a reference element */ |
155 |
|
156 |
typedef struct Finley_ReferenceElement { |
157 |
Finley_ReferenceElementInfo* Type; /* type of the reference element */ |
158 |
int numQuadNodes; /* number of quadrature points */ |
159 |
double *QuadNodes; /* coordinates of quadrature nodes */ |
160 |
double *QuadWeights; /* weights of the quadrature scheme */ |
161 |
double *S; /* shape functions at quadrature nodes */ |
162 |
double *dSdv; /* derivative of the shape functions at quadrature nodes */ |
163 |
} Finley_ReferenceElement; |
164 |
|
165 |
/**************************************************************/ |
166 |
|
167 |
/* interfaces: */ |
168 |
|
169 |
Finley_ReferenceElement* Finley_ReferenceElement_alloc(ElementTypeId,int); |
170 |
void Finley_ReferenceElement_dealloc(Finley_ReferenceElement*); |
171 |
ElementTypeId Finley_ReferenceElement_getTypeId(char*); |
172 |
|
173 |
#endif /* #ifndef INC_FINLEY_REFERENCEELEMENTS */ |