/[escript]/trunk/finley/src/Assemble_getSize.c
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Annotation of /trunk/finley/src/Assemble_getSize.c

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Revision 1062 - (hide annotations)
Mon Mar 26 06:17:53 2007 UTC (12 years, 7 months ago) by gross
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File size: 5325 byte(s)
reduced integration schemes are implemented now for grad, integrate, etc. Tests still to be added.
1 jgs 150 /*
2 elspeth 616 ************************************************************
3     * Copyright 2006 by ACcESS MNRF *
4     * *
5     * http://www.access.edu.au *
6     * Primary Business: Queensland, Australia *
7     * Licensed under the Open Software License version 3.0 *
8     * http://www.opensource.org/licenses/osl-3.0.php *
9     * *
10     ************************************************************
11 jgs 150 */
12 jgs 82
13     /**************************************************************/
14    
15     /* assemblage routines: */
16    
17     /* calculates the minimum distance between two vertices of elements and assigns the value to each */
18     /* quadrature point in element_size */
19    
20    
21     /**************************************************************/
22    
23 jgs 150 /* Copyrights by ACcESS Australia, 2003,2004,2005 */
24 jgs 82 /* author: gross@access.edu.au */
25 jgs 150 /* version: $Id$ */
26 jgs 82
27     /**************************************************************/
28    
29     #include "Assemble.h"
30     #include "Util.h"
31     #ifdef _OPENMP
32     #include <omp.h>
33     #endif
34    
35     /**************************************************************/
36     void Finley_Assemble_getSize(Finley_NodeFile* nodes, Finley_ElementFile* elements, escriptDataC* element_size) {
37    
38     double *local_X=NULL,*element_size_array;
39 gross 1028 dim_t e,n0,n1,q,i, NVertices, NN, NS, numQuad, numDim;
40 jgs 123 index_t node_offset;
41 jgs 82 double d,diff,min_diff;
42 jgs 150 Finley_resetError();
43 jgs 82
44     if (nodes==NULL || elements==NULL) return;
45 gross 1028 NVertices=elements->ReferenceElement->Type->numVertices;
46     NN=elements->ReferenceElement->Type->numNodes;
47     NS=elements->ReferenceElement->Type->numShapes;
48     numDim=nodes->numDim;
49 gross 1062
50     if (Finley_Assemble_reducedIntegrationOrder(element_size)) {
51     numQuad=elements->ReferenceElement->numQuadNodes;
52     } else {
53     numQuad=elements->ReferenceElementReducedOrder->numQuadNodes;
54     }
55 jgs 82
56     /* set a few more parameters */
57    
58     if (getFunctionSpaceType(element_size)==FINLEY_CONTACT_ELEMENTS_2) {
59     node_offset=NN-NS;
60     } else {
61     node_offset=0;
62     }
63    
64     /* check the dimensions of element_size */
65    
66     if (numDim!=elements->ReferenceElement->Type->numDim) {
67 gross 853 Finley_setError(TYPE_ERROR,"Finley_Assemble_getSize: Gradient: Spatial and element dimension must match.");
68 jgs 82 } else if (! numSamplesEqual(element_size,numQuad,elements->numElements)) {
69 gross 853 Finley_setError(TYPE_ERROR,"Finley_Assemble_getSize: illegal number of samples of element size Data object");
70 jgs 82 } else if (! isDataPointShapeEqual(element_size,0,&(numDim))) {
71 gross 853 Finley_setError(TYPE_ERROR,"Finley_Assemble_getSize: illegal data point shape of element size Data object");
72 jgs 82 } else if (!isExpanded(element_size)) {
73 gross 853 Finley_setError(TYPE_ERROR,"Finley_Assemble_getSize: expanded Data object is expected for element size.");
74 jgs 82 }
75     /* now we can start: */
76    
77 jgs 150 if (Finley_noError()) {
78 jgs 82 #pragma omp parallel private(local_X)
79     {
80     /* allocation of work arrays */
81 jgs 102 local_X=THREAD_MEMALLOC(NN*numDim,double);
82 jgs 82 if (! Finley_checkPtr(local_X) ) {
83     /* open the element loop */
84 jgs 115 #pragma omp for private(e,min_diff,diff,n0,n1,d,q,i,element_size_array) schedule(static)
85 jgs 82 for(e=0;e<elements->numElements;e++) {
86     /* gather local coordinates of nodes into local_X(numDim,NN): */
87     Finley_Util_Gather_double(NS,&(elements->Nodes[INDEX2(node_offset,e,NN)]),numDim,nodes->Coordinates,local_X);
88     /* calculate minimal differences */
89     min_diff=-1;
90     for (n0=0;n0<NVertices;n0++) {
91     for (n1=n0+1;n1<NVertices;n1++) {
92     diff=0;
93     for (i=0;i<numDim;i++) {
94     d=local_X[INDEX2(i,n0,numDim)]-local_X[INDEX2(i,n1,numDim)];
95     diff+=d*d;
96     }
97     if (min_diff<0) {
98     min_diff=diff;
99     } else {
100     min_diff=MIN(min_diff,diff);
101     }
102     }
103     }
104     min_diff=sqrt(MAX(min_diff,0));
105     /* set all values to min_diff */
106     element_size_array=getSampleData(element_size,e);
107     for (q=0;q<numQuad;q++) element_size_array[q]=min_diff;
108     }
109     }
110     THREAD_MEMFREE(local_X);
111     }
112     }
113     return;
114     }
115 jgs 123 /*
116     * $Log$
117 jgs 150 * Revision 1.7 2005/09/15 03:44:21 jgs
118     * Merge of development branch dev-02 back to main trunk on 2005-09-15
119     *
120     * Revision 1.6.2.1 2005/09/07 06:26:17 gross
121     * the solver from finley are put into the standalone package paso now
122     *
123 jgs 123 * Revision 1.6 2005/07/08 04:07:47 jgs
124     * Merge of development branch back to main trunk on 2005-07-08
125     *
126     * Revision 1.1.1.1.2.3 2005/06/29 02:34:48 gross
127     * some changes towards 64 integers in finley
128     *
129     * Revision 1.1.1.1.2.2 2005/03/02 23:35:05 gross
130     * reimplementation of the ILU in Finley. block size>1 still needs some testing
131     *
132     * Revision 1.1.1.1.2.1 2004/11/24 01:37:12 gross
133     * some changes dealing with the integer overflow in memory allocation. Finley solves 4M unknowns now
134     *
135     * Revision 1.1.1.1 2004/10/26 06:53:57 jgs
136     * initial import of project esys2
137     *
138     * Revision 1.3 2004/07/30 04:37:06 gross
139     * escript and finley are linking now and RecMeshTest.py has been passed
140     *
141     * Revision 1.2 2004/07/21 05:00:54 gross
142     * name changes in DataC
143     *
144     * Revision 1.1 2004/07/02 04:21:13 gross
145     * Finley C code has been included
146     *
147     *
148     */

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