/[escript]/temp/finley/src/Assemble_PDE_Single2_C.c
ViewVC logotype

Contents of /temp/finley/src/Assemble_PDE_Single2_C.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1387 - (show annotations)
Fri Jan 11 07:45:26 2008 UTC (11 years, 8 months ago) by trankine
File MIME type: text/plain
File size: 6826 byte(s)
Restore the trunk that existed before the windows changes were committed to the (now moved to branches) old trunk.
1
2 /* $Id$ */
3
4 /*******************************************************
5 *
6 * Copyright 2003-2007 by ACceSS MNRF
7 * Copyright 2007 by University of Queensland
8 *
9 * http://esscc.uq.edu.au
10 * Primary Business: Queensland, Australia
11 * Licensed under the Open Software License version 3.0
12 * http://www.opensource.org/licenses/osl-3.0.php
13 *
14 *******************************************************/
15
16 /**************************************************************/
17
18 /* assembles a single PDEs into the stiffness matrix S right hand side F */
19
20 /* D u_m and Y */
21
22 /* in a 3D domain. The shape functions for test and solution must be identical */
23 /* and 2* row_NS == row_NN (contact elements) */
24
25 /* Shape of the coefficients: */
26
27 /* D = scalar */
28 /* Y = scalar */
29
30
31 /**************************************************************/
32
33
34 #include "Assemble.h"
35 #include "Util.h"
36 #ifdef _OPENMP
37 #include <omp.h>
38 #endif
39
40
41 /**************************************************************/
42
43 void Finley_Assemble_PDE_Single2_C(Assemble_Parameters p, Finley_ElementFile* elements,
44 Paso_SystemMatrix* Mat, escriptDataC* F, escriptDataC* D, escriptDataC* Y) {
45
46 index_t color;
47 dim_t e;
48 double *EM_S, *EM_F, *Vol, *D_p, *Y_p;
49 index_t *row_index;
50 register dim_t q, s,r;
51 register double rtmp, rtmp_D;
52 bool_t add_EM_F, add_EM_S;
53
54 bool_t extendedD=isExpanded(D);
55 bool_t extendedY=isExpanded(Y);
56 double *F_p=getSampleData(F,0);
57 double *S=p.row_jac->ReferenceElement->S;
58
59
60 #pragma omp parallel private(color,EM_S, EM_F, Vol, D_p, Y_p,row_index,q, s,r,rtmp, rtmp_D,add_EM_F, add_EM_S)
61 {
62 EM_S=THREAD_MEMALLOC(p.row_NN*p.col_NN,double);
63 EM_F=THREAD_MEMALLOC(p.row_NN,double);
64 row_index=THREAD_MEMALLOC(p.row_NN,index_t);
65
66 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
67
68 for (color=elements->minColor;color<=elements->maxColor;color++) {
69 /* open loop over all elements: */
70 #pragma omp for private(e) schedule(static)
71 for(e=0;e<elements->numElements;e++){
72 if (elements->Color[e]==color) {
73 Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
74 add_EM_F=FALSE;
75 add_EM_S=FALSE;
76 /************************************************************* */
77 /* process D */
78 /**************************************************************/
79 D_p=getSampleData(D,e);
80 if (NULL!=D_p) {
81 add_EM_S=TRUE;
82 if (extendedD) {
83 for (s=0;s<p.row_NS;s++) {
84 for (r=0;r<p.col_NS;r++) {
85 rtmp=0;
86 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[q]*S[INDEX2(r,q,p.row_NS)];
87 EM_S[INDEX4(0,0,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp;
88 EM_S[INDEX4(0,0,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
89 EM_S[INDEX4(0,0,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
90 EM_S[INDEX4(0,0,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp;
91 }
92 }
93 } else {
94 for (s=0;s<p.row_NS;s++) {
95 for (r=0;r<p.col_NS;r++) {
96 rtmp=0;
97 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
98 rtmp_D=rtmp*D_p[0];
99 EM_S[INDEX4(0,0,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
100 EM_S[INDEX4(0,0,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
101 EM_S[INDEX4(0,0,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
102 EM_S[INDEX4(0,0,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
103 }
104 }
105 }
106 }
107 /**************************************************************/
108 /* process Y: */
109 /**************************************************************/
110 Y_p=getSampleData(Y,e);
111 if (NULL!=Y_p) {
112 add_EM_F=TRUE;
113 if (extendedY) {
114 for (s=0;s<p.row_NS;s++) {
115 rtmp=0;
116 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[q];
117 EM_F[INDEX2(0,s ,p.numEqu)]=-rtmp;
118 EM_F[INDEX2(0,s+p.row_NS,p.numEqu)]= rtmp;
119 }
120 } else {
121 for (s=0;s<p.row_NS;s++) {
122 rtmp=0;
123 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
124 rtmp_D=rtmp*Y_p[0];
125 EM_F[INDEX2(0,s ,p.numEqu)]=-rtmp_D;
126 EM_F[INDEX2(0,s+p.row_NS,p.numEqu)]= rtmp_D;
127 }
128 }
129 }
130 /***********************************************************************************************/
131 /* add the element matrices onto the matrix and right hand side */
132 /***********************************************************************************************/
133 for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.row_NN)]];
134
135 if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
136 if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
137
138 } /* end color check */
139 } /* end element loop */
140 } /* end color loop */
141
142 THREAD_MEMFREE(EM_S);
143 THREAD_MEMFREE(EM_F);
144 THREAD_MEMFREE(row_index);
145
146 } /* end of pointer check */
147 } /* end parallel region */
148 }
149 /*
150 * $Log$
151 */

  ViewVC Help
Powered by ViewVC 1.1.26