/[escript]/trunk/finley/src/Assemble_PDE_Single2_C.c
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Contents of /trunk/finley/src/Assemble_PDE_Single2_C.c

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Revision 798 - (show annotations)
Fri Aug 4 01:05:36 2006 UTC (12 years, 8 months ago) by gross
File MIME type: text/plain
File size: 6336 byte(s)
Reimplementation of the assemblage with persistent jacobeans.
There are also a few changes to the tests which has now
dramatically reduced the memory demand.


1 /*
2 ************************************************************
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 */
12
13 /**************************************************************/
14
15 /* assembles a single PDEs into the stiffness matrix S right hand side F */
16
17 /* D u_m and Y */
18
19 /* in a 3D domain. The shape functions for test and solution must be identical */
20 /* and 2* row_NS == row_NN (contact elements) */
21
22 /* Shape of the coefficients: */
23
24 /* D = scalar */
25 /* Y = scalar */
26
27
28 /**************************************************************/
29
30 /* Author: gross@access.edu.au */
31 /* Version: $Id:$ */
32
33 /**************************************************************/
34
35
36 #include "Assemble.h"
37 #include "Util.h"
38
39 /**************************************************************/
40
41 void Finley_Assemble_PDE_Single2_C(Assemble_Parameters p, Finley_ElementFile* elements,
42 Paso_SystemMatrix* Mat, escriptDataC* F, escriptDataC* D, escriptDataC* Y) {
43
44 index_t color;
45 dim_t e;
46 bool_t extendedD=isExpanded(D);
47 bool_t extendedY=isExpanded(Y);
48 double *F_p=getSampleData(F,0);
49 double *S=p.row_jac->ReferenceElement->S;
50
51
52 #pragma omp parallel private(color)
53 {
54 double EM_S[p.row_NN*p.col_NN], EM_F[p.row_NN];
55 index_t row_index[p.row_NN];
56 register dim_t q, s,r;
57 register double rtmp, rtmp_D;
58 double *Vol, *D_p, *Y_p;
59 bool_t add_EM_F, add_EM_S;
60 #ifndef PASO_MPI
61 for (color=elements->minColor;color<=elements->maxColor;color++) {
62 /* open loop over all elements: */
63 #pragma omp for private(e) schedule(static)
64 for(e=0;e<elements->numElements;e++){
65 if (elements->Color[e]==color) {
66 #else
67 {
68 for(e=0;e<elements->numElements;e++) {
69 {
70 #endif
71 Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
72 add_EM_F=FALSE;
73 add_EM_S=FALSE;
74 /************************************************************* */
75 /* process D */
76 /**************************************************************/
77 D_p=getSampleData(D,e);
78 if (NULL!=D_p) {
79 add_EM_S=TRUE;
80 if (extendedD) {
81 for (s=0;s<p.row_NS;s++) {
82 for (r=0;r<p.col_NS;r++) {
83 rtmp=0;
84 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)];
85 EM_S[INDEX4(0,0,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp;
86 EM_S[INDEX4(0,0,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
87 EM_S[INDEX4(0,0,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp;
88 EM_S[INDEX4(0,0,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp;
89 }
90 }
91 } else {
92 for (s=0;s<p.row_NS;s++) {
93 for (r=0;r<p.col_NS;r++) {
94 rtmp=0;
95 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
96 rtmp_D=rtmp*D_p[0];
97 EM_S[INDEX4(0,0,s ,r ,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
98 EM_S[INDEX4(0,0,s ,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
99 EM_S[INDEX4(0,0,s+p.row_NS,r ,p.numEqu,p.numComp,p.row_NN)]=-rtmp_D;
100 EM_S[INDEX4(0,0,s+p.row_NS,r+p.col_NS,p.numEqu,p.numComp,p.row_NN)]= rtmp_D;
101 }
102 }
103 }
104 }
105 /**************************************************************/
106 /* process Y: */
107 /**************************************************************/
108 Y_p=getSampleData(Y,e);
109 if (NULL!=Y_p) {
110 add_EM_F=TRUE;
111 if (extendedY) {
112 for (s=0;s<p.row_NS;s++) {
113 rtmp=0;
114 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[q];
115 EM_F[INDEX2(0,s ,p.numEqu)]=-rtmp;
116 EM_F[INDEX2(0,s+p.row_NS,p.numEqu)]= rtmp;
117 }
118 } else {
119 for (s=0;s<p.row_NS;s++) {
120 rtmp=0;
121 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
122 rtmp_D=rtmp*Y_p[0];
123 EM_F[INDEX2(0,s ,p.numEqu)]=-rtmp_D;
124 EM_F[INDEX2(0,s+p.row_NS,p.numEqu)]= rtmp_D;
125 }
126 }
127 }
128 /***********************************************************************************************/
129 /* add the element matrices onto the matrix and right hand side */
130 /***********************************************************************************************/
131 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)]];
132
133 if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
134 if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
135
136 } /* end color check */
137 } /* end element loop */
138 } /* end color loop */
139 } /* end parallel region */
140 }
141 /*
142 * $Log$
143 */

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