/[escript]/trunk/finley/src/Assemble_PDE_System2_C.c
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Contents of /trunk/finley/src/Assemble_PDE_System2_C.c

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Revision 2271 - (show annotations)
Mon Feb 16 05:08:29 2009 UTC (10 years, 8 months ago) by jfenwick
File MIME type: text/plain
File size: 8040 byte(s)
Merging version 2269 to trunk

1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2008 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
15 /**************************************************************/
16
17 /* assembles the system of numEq PDEs into the stiffness matrix S right hand side F */
18
19 /* D_{k,m} u_m and Y_k */
20
21 /* u has p.numComp components in a 3D domain. The shape functions for test and solution must be identical */
22 /* and 2* row_NS == row_NN (contact elements) */
23
24 /* Shape of the coefficients: */
25
26 /* D = p.numEqu x p.numComp */
27 /* Y = p.numEqu */
28
29
30 /**************************************************************/
31
32 /* Author: gross@access.edu.au */
33 /* Version: $Id:$ */
34
35 /**************************************************************/
36
37
38 #include "Assemble.h"
39 #include "Util.h"
40 #ifdef _OPENMP
41 #include <omp.h>
42 #endif
43
44
45 /**************************************************************/
46
47 void Finley_Assemble_PDE_System2_C(Assemble_Parameters p, Finley_ElementFile* elements,
48 Paso_SystemMatrix* Mat, escriptDataC* F, escriptDataC* D, escriptDataC* Y) {
49
50 index_t color;
51 dim_t e;
52 __const double *D_p, *Y_p;
53 double *EM_S, *EM_F, *Vol;
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=(requireWrite(F), getSampleDataRW(F,0)); /* use comma, to get around the mixed code and declarations thing */
62 double *S=p.row_jac->ReferenceElement->S;
63
64 void* DBuff=allocSampleBuffer(D);
65 void* YBuff=allocSampleBuffer(Y);
66 #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)
67 {
68 EM_S=THREAD_MEMALLOC(p.row_NN*p.col_NN*p.numEqu*p.numComp,double);
69 EM_F=THREAD_MEMALLOC(p.row_NN*p.numEqu,double);
70 row_index=THREAD_MEMALLOC(p.row_NN,index_t);
71
72 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
73
74 for (color=elements->minColor;color<=elements->maxColor;color++) {
75 /* open loop over all elements: */
76 #pragma omp for private(e) schedule(static)
77 for(e=0;e<elements->numElements;e++){
78 if (elements->Color[e]==color) {
79 Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
80 add_EM_F=FALSE;
81 add_EM_S=FALSE;
82 /************************************************************* */
83 /* process D */
84 /**************************************************************/
85 D_p=getSampleDataRO(D,e,DBuff);
86 if (NULL!=D_p) {
87 add_EM_S=TRUE;
88 if (extendedD) {
89 for (s=0;s<p.row_NS;s++) {
90 for (r=0;r<p.col_NS;r++) {
91 for (k=0;k<p.numEqu;k++) {
92 for (m=0;m<p.numComp;m++) {
93 rtmp=0;
94 for (q=0;q<p.numQuad;q++) {
95 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)];
96 }
97 EM_S[INDEX4(k,m,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp;
98 EM_S[INDEX4(k,m,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
99 EM_S[INDEX4(k,m,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
100 EM_S[INDEX4(k,m,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp;
101 }
102 }
103 }
104 }
105 } else {
106 for (s=0;s<p.row_NS;s++) {
107 for (r=0;r<p.col_NS;r++) {
108 rtmp=0;
109 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
110 for (k=0;k<p.numEqu;k++) {
111 for (m=0;m<p.numComp;m++) {
112 rtmp_D=rtmp*D_p[INDEX2(k,m,p.numEqu)];
113 EM_S[INDEX4(k,m,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
114 EM_S[INDEX4(k,m,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
115 EM_S[INDEX4(k,m,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
116 EM_S[INDEX4(k,m,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
117 }
118 }
119 }
120 }
121 }
122 }
123 /**************************************************************/
124 /* process Y: */
125 /**************************************************************/
126 Y_p=getSampleDataRO(Y,e,YBuff);
127 if (NULL!=Y_p) {
128 add_EM_F=TRUE;
129 if (extendedY) {
130 for (s=0;s<p.row_NS;s++) {
131 for (k=0;k<p.numEqu;k++) {
132 rtmp=0;
133 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[INDEX2(k,q,p.numEqu)];
134 EM_F[INDEX2(k,s ,p.numEqu)]=-rtmp;
135 EM_F[INDEX2(k,s+p.row_NS,p.numEqu)]= rtmp;
136 }
137 }
138 } else {
139 for (s=0;s<p.row_NS;s++) {
140 rtmp=0;
141 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
142 for (k=0;k<p.numEqu;k++) {
143 rtmp_D=rtmp*Y_p[k];
144 EM_F[INDEX2(k,s ,p.numEqu)]=-rtmp_D;
145 EM_F[INDEX2(k,s+p.row_NS,p.numEqu)]= rtmp_D;
146 }
147 }
148 }
149 }
150 /***********************************************************************************************/
151 /* add the element matrices onto the matrix and right hand side */
152 /***********************************************************************************************/
153 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)]];
154 if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
155 if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
156
157 } /* end color check */
158 } /* end element loop */
159 } /* end color loop */
160
161 THREAD_MEMFREE(EM_S);
162 THREAD_MEMFREE(EM_F);
163 THREAD_MEMFREE(row_index);
164
165 } /* end of pointer check */
166 } /* end parallel region */
167 freeSampleBuffer(DBuff);
168 freeSampleBuffer(YBuff);
169 }
170 /*
171 * $Log$
172 */

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