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

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Revision 798 - (hide annotations)
Fri Aug 4 01:05:36 2006 UTC (13 years, 2 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 gross 798 /*
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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