/[escript]/trunk/finley/src/Assemble_PDE_System2_1D.c
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Contents of /trunk/finley/src/Assemble_PDE_System2_1D.c

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Revision 2548 - (show annotations)
Mon Jul 20 06:20:06 2009 UTC (9 years, 10 months ago) by jfenwick
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Updating copyright notices
1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2009 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 /* the shape functions for test and solution must be identical */
19
20
21 /* -(A_{k,i,m,j} u_m,j)_i-(B_{k,i,m} u_m)_i+C_{k,m,j} u_m,j-D_{k,m} u_m and -(X_{k,i})_i + Y_k */
22
23 /* u has p.numComp components in a 1D domain. The shape functions for test and solution must be identical */
24 /* and row_NS == row_NN */
25
26 /* Shape of the coefficients: */
27
28 /* A = p.numEqu x 1 x p.numComp x 1 */
29 /* B = 1 x numEqu x p.numComp */
30 /* C = p.numEqu x 1 x p.numComp */
31 /* D = p.numEqu x p.numComp */
32 /* X = p.numEqu x 1 */
33 /* Y = p.numEqu */
34
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_1D(Assemble_Parameters p, Finley_ElementFile* elements,
49 Paso_SystemMatrix* Mat, escriptDataC* F,
50 escriptDataC* A, escriptDataC* B, escriptDataC* C, escriptDataC* D, escriptDataC* X, escriptDataC* Y) {
51
52 #define DIM 1
53 index_t color;
54 dim_t e;
55 __const double *A_p, *B_p, *C_p, *D_p, *X_p, *Y_p;
56 double *EM_S, *EM_F, *Vol, *DSDX;
57 index_t *row_index;
58 register dim_t q, s,r,k,m;
59 register double rtmp;
60 bool_t add_EM_F, add_EM_S;
61
62 bool_t extendedA=isExpanded(A);
63 bool_t extendedB=isExpanded(B);
64 bool_t extendedC=isExpanded(C);
65 bool_t extendedD=isExpanded(D);
66 bool_t extendedX=isExpanded(X);
67 bool_t extendedY=isExpanded(Y);
68 double *F_p=(requireWrite(F), getSampleDataRW(F,0)); /* use comma, to get around the mixed code and declarations thing */
69 double *S=p.row_jac->ReferenceElement->S;
70 dim_t len_EM_S=p.row_NN*p.col_NN*p.numEqu*p.numComp;
71 dim_t len_EM_F=p.row_NN*p.numEqu;
72
73 void* ABuff=allocSampleBuffer(A);
74 void* BBuff=allocSampleBuffer(B);
75 void* CBuff=allocSampleBuffer(C);
76 void* DBuff=allocSampleBuffer(D);
77 void* XBuff=allocSampleBuffer(X);
78 void* YBuff=allocSampleBuffer(Y);
79 #pragma omp parallel private(color, EM_S, EM_F, Vol, DSDX, A_p, B_p, C_p, D_p, X_p, Y_p,row_index, q, s,r,k,m,rtmp,add_EM_F, add_EM_S)
80 {
81 EM_S=THREAD_MEMALLOC(len_EM_S,double);
82 EM_F=THREAD_MEMALLOC(len_EM_F,double);
83 row_index=THREAD_MEMALLOC(p.row_NN,index_t);
84
85 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
86
87 for (color=elements->minColor;color<=elements->maxColor;color++) {
88 /* open loop over all elements: */
89 #pragma omp for private(e) schedule(static)
90 for(e=0;e<elements->numElements;e++){
91 if (elements->Color[e]==color) {
92 Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
93 DSDX=&(p.row_jac->DSDX[INDEX4(0,0,0,e,p.row_NN,DIM,p.numQuad)]);
94 for (q=0;q<len_EM_S;++q) EM_S[q]=0;
95 for (q=0;q<len_EM_F;++q) EM_F[q]=0;
96 add_EM_F=FALSE;
97 add_EM_S=FALSE;
98 /**************************************************************/
99 /* process A: */
100 /**************************************************************/
101 A_p=getSampleDataRO(A,e,ABuff);
102 if (NULL!=A_p) {
103 add_EM_S=TRUE;
104 if (extendedA) {
105 for (s=0;s<p.row_NS;s++) {
106 for (r=0;r<p.col_NS;r++) {
107 for (k=0;k<p.numEqu;k++) {
108 for (m=0;m<p.numComp;m++) {
109 rtmp=0.;
110 for (q=0;q<p.numQuad;q++) {
111 rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*
112 A_p[INDEX5(k,0,m,0,q,p.numEqu,DIM,p.numComp,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
113 }
114 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
115 }
116 }
117 }
118 }
119 } else {
120 for (s=0;s<p.row_NS;s++) {
121 for (r=0;r<p.col_NS;r++) {
122 rtmp=0;
123 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)];
124 for (k=0;k<p.numEqu;k++) {
125 for (m=0;m<p.numComp;m++) {
126 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*A_p[INDEX4(k,0,m,0,p.numEqu,DIM,p.numComp)];
127 }
128 }
129 }
130 }
131 }
132 }
133 /**************************************************************/
134 /* process B: */
135 /**************************************************************/
136 B_p=getSampleDataRO(B,e,BBuff);
137 if (NULL!=B_p) {
138 add_EM_S=TRUE;
139 if (extendedB) {
140 for (s=0;s<p.row_NS;s++) {
141 for (r=0;r<p.col_NS;r++) {
142 for (k=0;k<p.numEqu;k++) {
143 for (m=0;m<p.numComp;m++) {
144 rtmp=0.;
145 for (q=0;q<p.numQuad;q++) {
146 rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*
147 B_p[INDEX4(k,0,m,q,p.numEqu,DIM,p.numComp)]*S[INDEX2(r,q,p.row_NS)];
148 }
149 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
150 }
151 }
152 }
153 }
154 } else {
155 for (s=0;s<p.row_NS;s++) {
156 for (r=0;r<p.col_NS;r++) {
157 rtmp=0;
158 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)];
159 for (k=0;k<p.numEqu;k++) {
160 for (m=0;m<p.numComp;m++) {
161 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*B_p[INDEX3(k,0,m,p.numEqu,DIM)];
162 }
163 }
164 }
165 }
166 }
167 }
168 /**************************************************************/
169 /* process C: */
170 /**************************************************************/
171 C_p=getSampleDataRO(C,e,CBuff);
172 if (NULL!=C_p) {
173 add_EM_S=TRUE;
174 if (extendedC) {
175 for (s=0;s<p.row_NS;s++) {
176 for (r=0;r<p.col_NS;r++) {
177 for (k=0;k<p.numEqu;k++) {
178 for (m=0;m<p.numComp;m++) {
179 rtmp=0;
180 for (q=0;q<p.numQuad;q++) {
181 rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*C_p[INDEX4(k,m,0,q,p.numEqu,p.numComp,DIM)]*DSDX[INDEX3(r,0,q,p.row_NN,DIM)];
182 }
183 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
184 }
185 }
186 }
187 }
188 } else {
189 for (s=0;s<p.row_NS;s++) {
190 for (r=0;r<p.col_NS;r++) {
191 rtmp=0;
192 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)];
193 for (k=0;k<p.numEqu;k++) {
194 for (m=0;m<p.numComp;m++) {
195 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*C_p[INDEX3(k,m,0,p.numEqu,p.numComp)];
196 }
197 }
198 }
199 }
200 }
201 }
202 /************************************************************* */
203 /* process D */
204 /**************************************************************/
205 D_p=getSampleDataRO(D,e,DBuff);
206 if (NULL!=D_p) {
207 add_EM_S=TRUE;
208 if (extendedD) {
209 for (s=0;s<p.row_NS;s++) {
210 for (r=0;r<p.col_NS;r++) {
211 for (k=0;k<p.numEqu;k++) {
212 for (m=0;m<p.numComp;m++) {
213 rtmp=0;
214 for (q=0;q<p.numQuad;q++) {
215 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)];
216 }
217 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
218
219 }
220 }
221 }
222 }
223 } else {
224 for (s=0;s<p.row_NS;s++) {
225 for (r=0;r<p.col_NS;r++) {
226 rtmp=0;
227 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
228 for (k=0;k<p.numEqu;k++) {
229 for (m=0;m<p.numComp;m++) {
230 EM_S[INDEX4(k,m,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*D_p[INDEX2(k,m,p.numEqu)];
231 }
232 }
233 }
234 }
235 }
236 }
237 /**************************************************************/
238 /* process X: */
239 /**************************************************************/
240 X_p=getSampleDataRO(X,e,XBuff);
241 if (NULL!=X_p) {
242 add_EM_F=TRUE;
243 if (extendedX) {
244 for (s=0;s<p.row_NS;s++) {
245 for (k=0;k<p.numEqu;k++) {
246 rtmp=0;
247 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)]*X_p[INDEX3(k,0,q,p.numEqu,DIM)];
248 EM_F[INDEX2(k,s,p.numEqu)]+=rtmp;
249 }
250 }
251 } else {
252 for (s=0;s<p.row_NS;s++) {
253 rtmp=0;
254 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
255 for (k=0;k<p.numEqu;k++) EM_F[INDEX2(k,s,p.numEqu)]+=rtmp*X_p[INDEX2(k,0,p.numEqu)];
256 }
257 }
258 }
259 /**************************************************************/
260 /* process Y: */
261 /**************************************************************/
262 Y_p=getSampleDataRO(Y,e,YBuff);
263 if (NULL!=Y_p) {
264 add_EM_F=TRUE;
265 if (extendedY) {
266 for (s=0;s<p.row_NS;s++) {
267 for (k=0;k<p.numEqu;k++) {
268 rtmp=0;
269 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[INDEX2(k,q,p.numEqu)];
270 EM_F[INDEX2(k,s,p.numEqu)]+=rtmp;
271 }
272 }
273 } else {
274 for (s=0;s<p.row_NS;s++) {
275 rtmp=0;
276 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
277 for (k=0;k<p.numEqu;k++) EM_F[INDEX2(k,s,p.numEqu)]+=rtmp*Y_p[k];
278 }
279 }
280 }
281 /***********************************************************************************************/
282 /* add the element matrices onto the matrix and right hand side */
283 /***********************************************************************************************/
284 for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.NN)]];
285 if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
286 if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
287
288 } /* end color check */
289 } /* end element loop */
290 } /* end color loop */
291
292 THREAD_MEMFREE(EM_S);
293 THREAD_MEMFREE(EM_F);
294 THREAD_MEMFREE(row_index);
295
296 } /* end of pointer check */
297 } /* end parallel region */
298 freeSampleBuffer(ABuff);
299 freeSampleBuffer(BBuff);
300 freeSampleBuffer(CBuff);
301 freeSampleBuffer(DBuff);
302 freeSampleBuffer(XBuff);
303 freeSampleBuffer(YBuff);
304 }
305 /*
306 * $Log$
307 */

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