/[escript]/branches/domexper/dudley/src/ShapeTable.h
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Contents of /branches/domexper/dudley/src/ShapeTable.h

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Revision 3251 - (show annotations)
Thu Oct 7 04:02:30 2010 UTC (8 years, 7 months ago) by jfenwick
File MIME type: text/plain
File size: 2715 byte(s)
Merged sconcript changes - weipa doesn't build unit test binary
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 /* Shape Function info
15 These tables are a much simplified version of content from finley's ShapeFunctions files
16
17 This file is not to be included in .h files - only .c files should have any use for it
18 */
19
20 #ifndef SHAPETABLE_DUDLEY
21 #define SHAPETABLE_DUDLEY
22
23 #include "esysUtils/types.h"
24
25 #include "ElementType.h"
26
27 /* These are constructed from dsdv in ShapeFunction.c in finley
28 The first two are just there for functions that want a pointer
29 */
30 static const double DTDV_0D[1][1] = { {0} };
31 static const double DTDV_1D[2][2] = { {-1., 1}, {-1., 1.} };
32
33 /* The repetition here is a hack to prevent out of bounds access */
34 static const double DTDV_2D[3 * 3][2] = { {-1, 1}, {0, -1.}, {0, 1},
35 {-1, 1}, {0, -1.}, {0, 1},
36 {-1, 1}, {0, -1.}, {0, 1}
37 };
38 static const double DTDV_3D[4][3] = { {-1, -1, -1}, {1, 0, 0}, {0, 1, 0}, {0, 0, 1} };
39
40 // Index by the following by Dudley_ElementTypeID
41 // The number of local dimensions (as opposed to dimension of the embedding space)
42 static const dim_t localDims[8] = { 0, 1, 2, 3, 0, 1, 2, 0 };
43 static const dim_t Dims[8] = { 0, 1, 2, 3, 1, 2, 3, 0 };
44
45 /* the following lists are only used for face elements defined by numNodesOnFace>0 */
46 static const dim_t numNodesOnFaceMap[8] = { 1, 2, 3, 4, 1, 2, 4, -1 }; /* if the element is allowed as a face element, numNodesOnFace defines the number of nodes defining the face */
47 static const dim_t shiftNodesMap[8][4] = { {0}, {1, 0}, {1, 2, 0}, {-1}, {0, 1, 2}, {1, 0, 2}, {1, 2, 0, 3}, {0} }; /* defines a permutation of the nodes which rotates the nodes on the face */
48 static const dim_t reverseNodesMap[8][4] = { {-1}, {-1}, {0, 2, 1}, {-1}, {-1}, {-1}, {0, 2, 1, 3}, {0} }; /* reverses the order of the nodes on a face. the permutation has keep 0 fixed. */
49 /* shiftNodes={-1} or reverseNodes={-1} are ignored. */
50
51 /* [0] is reduced quadrature, [1] is full quadrature */
52 /* in order the positions are POINT, LINE, TRI, TET */
53 static const double QuadWeight[4][2] = { {0, 0}, {1., 0.5}, {0.5, 1. / 6}, {1. / 6, 1. / 24} };
54
55 /* number of quadrature points per element */
56 static const dim_t QuadNums[4][2] = { {0, 0}, {1, 2}, {1, 3}, {1, 4} };
57
58 /*shape functions at quadrature nodes */
59 bool_t getQuadShape(dim_t sim, bool_t reduced, const double **shapearr);
60
61 const char *getElementName(Dudley_ElementTypeId id);
62
63 #endif

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