/[escript]/trunk/finley/src/Assemble_PDE_Single2_1D.c
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Contents of /trunk/finley/src/Assemble_PDE_Single2_1D.c

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Revision 798 - (show annotations)
Fri Aug 4 01:05:36 2006 UTC (13 years, 2 months ago) by gross
File MIME type: text/plain
File size: 11058 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 1.0 *
8 * http://www.opensource.org/licenses/osl-3.0.php *
9 * *
10 ************************************************************
11 */
12
13 /**************************************************************/
14
15 /* assembles the system of numEq PDEs into the stiffness matrix S right hand side F */
16 /* the shape functions for test and solution must be identical */
17
18
19 /* -(A_{i,j} u_,j)_i-(B_{i} u)_i+C_{j} u_,j-D u_m and -(X_,i)_i + Y */
20
21 /* in a 1D domain. The shape functions for test and solution must be identical */
22 /* and row_NS == row_NN */
23
24 /* Shape of the coefficients: */
25
26 /* A = 1 x 1 */
27 /* B = 1 */
28 /* C = 1 */
29 /* D = scalar */
30 /* X = 1 */
31 /* Y = scalar */
32
33
34 /**************************************************************/
35
36 /* Author: gross@access.edu.au */
37 /* Version: $Id:$ */
38
39 /**************************************************************/
40
41
42 #include "Assemble.h"
43 #include "Util.h"
44
45 /**************************************************************/
46
47 void Finley_Assemble_PDE_Single2_1D(Assemble_Parameters p, Finley_ElementFile* elements,
48 Paso_SystemMatrix* Mat, escriptDataC* F,
49 escriptDataC* A, escriptDataC* B, escriptDataC* C, escriptDataC* D, escriptDataC* X, escriptDataC* Y) {
50
51 #define DIM 1
52 index_t color;
53 dim_t e;
54 bool_t extendedA=isExpanded(A);
55 bool_t extendedB=isExpanded(B);
56 bool_t extendedC=isExpanded(C);
57 bool_t extendedD=isExpanded(D);
58 bool_t extendedX=isExpanded(X);
59 bool_t extendedY=isExpanded(Y);
60 double *F_p=getSampleData(F,0);
61 double *S=p.row_jac->ReferenceElement->S;
62 dim_t len_EM_S=p.row_NN*p.col_NN;
63 dim_t len_EM_F=p.row_NN;
64
65
66 #pragma omp parallel private(color)
67 {
68 double EM_S[len_EM_S], EM_F[len_EM_F];
69 index_t row_index[p.row_NN];
70 register dim_t q, s,r;
71 register double rtmp;
72 double *Vol, *DSDX, *A_p, *B_p, *C_p, *D_p, *X_p, *Y_p;
73 bool_t add_EM_F, add_EM_S;
74 #ifndef PASO_MPI
75 for (color=elements->minColor;color<=elements->maxColor;color++) {
76 /* open loop over all elements: */
77 #pragma omp for private(e) schedule(static)
78 for(e=0;e<elements->numElements;e++){
79 if (elements->Color[e]==color) {
80 #else
81 {
82 for(e=0;e<elements->numElements;e++) {
83 {
84 #endif
85 Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
86 DSDX=&(p.row_jac->DSDX[INDEX4(0,0,0,e,p.row_NN,DIM,p.numQuad)]);
87 for (q=0;q<len_EM_S;++q) EM_S[q]=0;
88 for (q=0;q<len_EM_F;++q) EM_F[q]=0;
89 add_EM_F=FALSE;
90 add_EM_S=FALSE;
91 /**************************************************************/
92 /* process A: */
93 /**************************************************************/
94 A_p=getSampleData(A,e);
95 if (NULL!=A_p) {
96 add_EM_S=TRUE;
97 if (extendedA) {
98 for (s=0;s<p.row_NS;s++) {
99 for (r=0;r<p.col_NS;r++) {
100 rtmp=0;
101 for (q=0;q<p.numQuad;q++) {
102 rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*A_p[INDEX3(0,0,q,DIM,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
103 }
104 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
105 }
106 }
107 } else {
108 for (s=0;s<p.row_NS;s++) {
109 for (r=0;r<p.col_NS;r++) {
110 rtmp=0;
111 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
112 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*A_p[INDEX2(0,0,DIM)];
113 }
114 }
115 }
116 }
117 /**************************************************************/
118 /* process B: */
119 /**************************************************************/
120 B_p=getSampleData(B,e);
121 if (NULL!=B_p) {
122 add_EM_S=TRUE;
123 if (extendedB) {
124 for (s=0;s<p.row_NS;s++) {
125 for (r=0;r<p.col_NS;r++) {
126 rtmp=0;
127 for (q=0;q<p.numQuad;q++) {
128 rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*B_p[INDEX2(0,q,DIM)]*S[INDEX2(r,q,p.row_NS)];
129 }
130 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
131 }
132 }
133 } else {
134 for (s=0;s<p.row_NS;s++) {
135 for (r=0;r<p.col_NS;r++) {
136 rtmp=0;
137 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*S[INDEX2(r,q,p.row_NS)];
138 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*B_p[0];
139 }
140 }
141 }
142 }
143 /**************************************************************/
144 /* process C: */
145 /**************************************************************/
146 C_p=getSampleData(C,e);
147 if (NULL!=C_p) {
148 add_EM_S=TRUE;
149 if (extendedC) {
150 for (s=0;s<p.row_NS;s++) {
151 for (r=0;r<p.col_NS;r++) {
152 rtmp=0;
153 for (q=0;q<p.numQuad;q++) {
154 rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*C_p[INDEX2(0,q,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
155 }
156 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
157 }
158 }
159 } else {
160 for (s=0;s<p.row_NS;s++) {
161 for (r=0;r<p.col_NS;r++) {
162 rtmp=0;
163 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
164 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*C_p[0];
165 }
166 }
167 }
168 }
169 /************************************************************* */
170 /* process D */
171 /**************************************************************/
172 D_p=getSampleData(D,e);
173 if (NULL!=D_p) {
174 add_EM_S=TRUE;
175 if (extendedD) {
176 for (s=0;s<p.row_NS;s++) {
177 for (r=0;r<p.col_NS;r++) {
178 rtmp=0;
179 for (q=0;q<p.numQuad;q++) {
180 rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[q]*S[INDEX2(r,q,p.row_NS)];
181 }
182 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
183 }
184 }
185 } else {
186 for (s=0;s<p.row_NS;s++) {
187 for (r=0;r<p.col_NS;r++) {
188 rtmp=0;
189 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
190 EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*D_p[0];
191 }
192 }
193 }
194 }
195 /**************************************************************/
196 /* process X: */
197 /**************************************************************/
198 X_p=getSampleData(X,e);
199 if (NULL!=X_p) {
200 add_EM_F=TRUE;
201 if (extendedX) {
202 for (s=0;s<p.row_NS;s++) {
203 rtmp=0;
204 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*X_p[INDEX2(0,q,DIM)];
205 EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
206 }
207 } else {
208 for (s=0;s<p.row_NS;s++) {
209 rtmp=0;
210 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
211 EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*X_p[0];
212 }
213 }
214 }
215 /**************************************************************/
216 /* process Y: */
217 /**************************************************************/
218 Y_p=getSampleData(Y,e);
219 if (NULL!=Y_p) {
220 add_EM_F=TRUE;
221 if (extendedY) {
222 for (s=0;s<p.row_NS;s++) {
223 rtmp=0;
224 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[q];
225 EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
226 }
227 } else {
228 for (s=0;s<p.row_NS;s++) {
229 rtmp=0;
230 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
231 EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*Y_p[0];
232 }
233 }
234 }
235 /***********************************************************************************************/
236 /* add the element matrices onto the matrix and right hand side */
237 /***********************************************************************************************/
238 for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.NN)]];
239 if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
240 if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
241
242 } /* end color check */
243 } /* end element loop */
244 } /* end color loop */
245 } /* end parallel region */
246 }
247 /*
248 * $Log$
249 */

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