/[escript]/branches/arrayview_from_1695_trunk/finley/src/Assemble_PDE_System2_C.c
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Revision 1312 - (show annotations)
Mon Sep 24 06:18:44 2007 UTC (11 years, 11 months ago) by ksteube
Original Path: trunk/finley/src/Assemble_PDE_System2_C.c
File MIME type: text/plain
File size: 7818 byte(s)
The MPI branch is hereby closed. All future work should be in trunk.

Previously in revision 1295 I merged the latest changes to trunk into trunk-mpi-branch.
In this revision I copied all files from trunk-mpi-branch over the corresponding
trunk files. I did not use 'svn merge', it was a copy.

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 the system of numEq PDEs into the stiffness matrix S right hand side F */
19
20 /* D_{k,m} u_m and Y_k */
21
22 /* u has p.numComp components 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 = p.numEqu x p.numComp */
28 /* Y = p.numEqu */
29
30
31 /**************************************************************/
32
33 /* Author: gross@access.edu.au */
34 /* Version: $Id:$ */
35
36 /**************************************************************/
37
38
39 #include "Assemble.h"
40 #include "Util.h"
41 #ifdef _OPENMP
42 #include <omp.h>
43 #endif
44
45
46 /**************************************************************/
47
48 void Finley_Assemble_PDE_System2_C(Assemble_Parameters p, Finley_ElementFile* elements,
49 Paso_SystemMatrix* Mat, escriptDataC* F, escriptDataC* D, escriptDataC* Y) {
50
51 index_t color;
52 dim_t e;
53 double *EM_S, *EM_F, *Vol, *D_p, *Y_p;
54 index_t *row_index;
55 register dim_t q, s,r,k,m;
56 register double rtmp, rtmp_D;
57 bool_t add_EM_F, add_EM_S;
58
59 bool_t extendedD=isExpanded(D);
60 bool_t extendedY=isExpanded(Y);
61 double *F_p=getSampleData(F,0);
62 double *S=p.row_jac->ReferenceElement->S;
63
64
65 #pragma omp parallel private(color,EM_S, EM_F, Vol, D_p, Y_p,row_index,q, s,r,k,m,rtmp, rtmp_D,add_EM_F, add_EM_S)
66 {
67 EM_S=THREAD_MEMALLOC(p.row_NN*p.col_NN*p.numEqu*p.numComp,double);
68 EM_F=THREAD_MEMALLOC(p.row_NN*p.numEqu,double);
69 row_index=THREAD_MEMALLOC(p.row_NN,index_t);
70
71 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
72
73 for (color=elements->minColor;color<=elements->maxColor;color++) {
74 /* open loop over all elements: */
75 #pragma omp for private(e) schedule(static)
76 for(e=0;e<elements->numElements;e++){
77 if (elements->Color[e]==color) {
78 Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
79 add_EM_F=FALSE;
80 add_EM_S=FALSE;
81 /************************************************************* */
82 /* process D */
83 /**************************************************************/
84 D_p=getSampleData(D,e);
85 if (NULL!=D_p) {
86 add_EM_S=TRUE;
87 if (extendedD) {
88 for (s=0;s<p.row_NS;s++) {
89 for (r=0;r<p.col_NS;r++) {
90 for (k=0;k<p.numEqu;k++) {
91 for (m=0;m<p.numComp;m++) {
92 rtmp=0;
93 for (q=0;q<p.numQuad;q++) {
94 rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[INDEX3(k,m,q,p.numEqu,p.numComp)]*S[INDEX2(r,q,p.row_NS)];
95 }
96 EM_S[INDEX4(k,m,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp;
97 EM_S[INDEX4(k,m,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
98 EM_S[INDEX4(k,m,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
99 EM_S[INDEX4(k,m,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp;
100 }
101 }
102 }
103 }
104 } else {
105 for (s=0;s<p.row_NS;s++) {
106 for (r=0;r<p.col_NS;r++) {
107 rtmp=0;
108 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
109 for (k=0;k<p.numEqu;k++) {
110 for (m=0;m<p.numComp;m++) {
111 rtmp_D=rtmp*D_p[INDEX2(k,m,p.numEqu)];
112 EM_S[INDEX4(k,m,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
113 EM_S[INDEX4(k,m,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
114 EM_S[INDEX4(k,m,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
115 EM_S[INDEX4(k,m,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
116 }
117 }
118 }
119 }
120 }
121 }
122 /**************************************************************/
123 /* process Y: */
124 /**************************************************************/
125 Y_p=getSampleData(Y,e);
126 if (NULL!=Y_p) {
127 add_EM_F=TRUE;
128 if (extendedY) {
129 for (s=0;s<p.row_NS;s++) {
130 for (k=0;k<p.numEqu;k++) {
131 rtmp=0;
132 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[INDEX2(k,q,p.numEqu)];
133 EM_F[INDEX2(k,s ,p.numEqu)]=-rtmp;
134 EM_F[INDEX2(k,s+p.row_NS,p.numEqu)]= rtmp;
135 }
136 }
137 } else {
138 for (s=0;s<p.row_NS;s++) {
139 rtmp=0;
140 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
141 for (k=0;k<p.numEqu;k++) {
142 rtmp_D=rtmp*Y_p[k];
143 EM_F[INDEX2(k,s ,p.numEqu)]=-rtmp_D;
144 EM_F[INDEX2(k,s+p.row_NS,p.numEqu)]= rtmp_D;
145 }
146 }
147 }
148 }
149 /***********************************************************************************************/
150 /* add the element matrices onto the matrix and right hand side */
151 /***********************************************************************************************/
152 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)]];
153 if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
154 if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
155
156 } /* end color check */
157 } /* end element loop */
158 } /* end color loop */
159
160 THREAD_MEMFREE(EM_S);
161 THREAD_MEMFREE(EM_F);
162 THREAD_MEMFREE(row_index);
163
164 } /* end of pointer check */
165 } /* end parallel region */
166 }
167 /*
168 * $Log$
169 */

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