/[escript]/trunk/finley/src/finley/Assemble_setNormal.c
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Contents of /trunk/finley/src/finley/Assemble_setNormal.c

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Revision 123 - (show annotations)
Fri Jul 8 04:08:13 2005 UTC (15 years ago) by jgs
Original Path: trunk/esys2/finley/src/finleyC/Assemble_setNormal.c
File MIME type: text/plain
File size: 4175 byte(s)
Merge of development branch back to main trunk on 2005-07-08

1 /* $Id$ */
2
3 /**************************************************************/
4
5 /* assemblage routines: calculates the normal vector at quadrature points on face elements */
6
7 /**************************************************************/
8
9 /* Copyrights by ACcESS Australia, 2003,2004 */
10 /* author: gross@access.edu.au */
11 /* Version: $Id$ */
12
13 /**************************************************************/
14
15 #include "escript/Data/DataC.h"
16 #include "Finley.h"
17 #include "Assemble.h"
18 #include "NodeFile.h"
19 #include "ElementFile.h"
20 #include "Util.h"
21 #ifdef _OPENMP
22 #include <omp.h>
23 #endif
24
25 /**************************************************************/
26
27
28 void Finley_Assemble_setNormal(Finley_NodeFile* nodes, Finley_ElementFile* elements, escriptDataC* normal) {
29 double *local_X=NULL, *dVdv=NULL,*normal_array;
30 index_t sign,node_offset;
31 dim_t e,q;
32 if (nodes==NULL || elements==NULL) return;
33 dim_t NN=elements->ReferenceElement->Type->numNodes;
34 dim_t NS=elements->ReferenceElement->Type->numShapes;
35 dim_t numDim=nodes->numDim;
36 dim_t numQuad=elements->ReferenceElement->numQuadNodes;
37 dim_t numDim_local=elements->ReferenceElement->Type->numDim;
38
39 /* set some parameter */
40
41 if (getFunctionSpaceType(normal)==FINLEY_CONTACT_ELEMENTS_2) {
42 node_offset=NN-NS;
43 sign=-1;
44 } else {
45 node_offset=0;
46 sign=1;
47 }
48 /* check the dimensions of normal */
49 if (! (numDim==numDim_local || numDim-1==numDim_local)) {
50 Finley_ErrorCode=TYPE_ERROR;
51 sprintf(Finley_ErrorMsg,"Cannot calculate normal vector");
52 } else if (! isDataPointShapeEqual(normal,1,&(numDim))) {
53 Finley_ErrorCode=TYPE_ERROR;
54 sprintf(Finley_ErrorMsg,"illegal number of samples of normal Data object");
55 } else if (! numSamplesEqual(normal,numQuad,elements->numElements)) {
56 Finley_ErrorCode=TYPE_ERROR;
57 sprintf(Finley_ErrorMsg,"illegal number of samples of normal Data object");
58 } else if (! isDataPointShapeEqual(normal,1,&(numDim))) {
59 Finley_ErrorCode=TYPE_ERROR;
60 sprintf(Finley_ErrorMsg,"illegal point data shape of normal Data object");
61 } else if (!isExpanded(normal)) {
62 Finley_ErrorCode=TYPE_ERROR;
63 sprintf(Finley_ErrorMsg,"expanded Data object is expected for normal.");
64 }
65
66 /* now we can start */
67 if (Finley_ErrorCode==NO_ERROR) {
68 #pragma omp parallel private(local_X,dVdv)
69 {
70 local_X=dVdv=NULL;
71 /* allocation of work arrays */
72 local_X=THREAD_MEMALLOC(NS*numDim,double);
73 dVdv=THREAD_MEMALLOC(numQuad*numDim*numDim_local,double);
74 if (!(Finley_checkPtr(local_X) || Finley_checkPtr(dVdv) ) ) {
75 /* open the element loop */
76 #pragma omp for private(e,q,normal_array) schedule(static)
77 for(e=0;e<elements->numElements;e++) {
78 /* gather local coordinates of nodes into local_X: */
79 Finley_Util_Gather_double(NS,&(elements->Nodes[INDEX2(node_offset,e,NN)]),numDim,nodes->Coordinates,local_X);
80 /* calculate dVdv(i,j,q)=local_X(i,n)*DSDv(n,j,q) */
81 Finley_Util_SmallMatMult(numDim,numDim_local*numQuad,dVdv,NS,local_X,elements->ReferenceElement->dSdv);
82 /* get normalized vector: */
83 normal_array=getSampleData(normal,e);
84 Finley_NormalVector(numQuad,numDim,numDim_local,dVdv,normal_array);
85 for (q=0;q<numQuad*numDim;q++) normal_array[q]*=sign;
86 }
87 }
88 THREAD_MEMFREE(local_X);
89 THREAD_MEMFREE(dVdv);
90 }
91 }
92 }
93 /*
94 * $Log$
95 * Revision 1.5 2005/07/08 04:07:48 jgs
96 * Merge of development branch back to main trunk on 2005-07-08
97 *
98 * Revision 1.4 2004/12/15 07:08:32 jgs
99 * *** empty log message ***
100 * Revision 1.1.1.1.2.3 2005/06/29 02:34:48 gross
101 * some changes towards 64 integers in finley
102 *
103 * Revision 1.1.1.1.2.2 2004/11/24 01:37:13 gross
104 * some changes dealing with the integer overflow in memory allocation. Finley solves 4M unknowns now
105 *
106 *
107 *
108 */

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