/[escript]/branches/doubleplusgood/dudley/src/Assemble_PDE_Single2_1D.cpp
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Annotation of /branches/doubleplusgood/dudley/src/Assemble_PDE_Single2_1D.cpp

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Revision 2881 - (hide annotations)
Thu Jan 28 02:03:15 2010 UTC (9 years, 1 month ago) by jfenwick
Original Path: trunk/finley/src/Assemble_PDE_Single2_1D.c
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File size: 13481 byte(s)
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1 gross 798
2 ksteube 1312 /*******************************************************
3 ksteube 1811 *
4 jfenwick 2881 * Copyright (c) 2003-2010 by University of Queensland
5 ksteube 1811 * 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 ksteube 1312
14 ksteube 1811
15 gross 798 /**************************************************************/
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_{i,j} u_,j)_i-(B_{i} u)_i+C_{j} u_,j-D u_m and -(X_,i)_i + Y */
22    
23     /* 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 = 1 x 1 */
29     /* B = 1 */
30     /* C = 1 */
31     /* D = scalar */
32     /* X = 1 */
33     /* Y = scalar */
34    
35    
36     /**************************************************************/
37    
38    
39     #include "Assemble.h"
40     #include "Util.h"
41 gross 853 #ifdef _OPENMP
42     #include <omp.h>
43     #endif
44 gross 798
45 gross 853
46 gross 798 /**************************************************************/
47    
48     void Finley_Assemble_PDE_Single2_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 gross 2748 dim_t e, isub;
55     __const double *A_p, *B_p, *C_p, *D_p, *X_p, *Y_p, *A_q, *B_q, *C_q, *D_q, *X_q, *Y_q;
56 jfenwick 2271 double *EM_S, *EM_F, *Vol, *DSDX;
57 gross 853 index_t *row_index;
58     register dim_t q, s,r;
59     register double rtmp;
60     bool_t add_EM_F, add_EM_S;
61    
62 gross 798 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 jfenwick 2271 double *F_p=(requireWrite(F), getSampleDataRW(F,0)); /* use comma, to get around the mixed code and declarations thing */
69 gross 2748 double *S=p.row_jac->BasisFunctions->S;
70     dim_t len_EM_S=p.row_numShapesTotal*p.col_numShapesTotal;
71     dim_t len_EM_F=p.row_numShapesTotal;
72 gross 798
73 gross 2748 #pragma omp parallel private(color, EM_S, EM_F, Vol, DSDX, A_p, B_p, C_p, D_p, X_p, Y_p, A_q, B_q, C_q, D_q, X_q, Y_q, row_index, q, s,r,rtmp,add_EM_F, add_EM_S, isub)
74 gross 798 {
75 gross 853 EM_S=THREAD_MEMALLOC(len_EM_S,double);
76     EM_F=THREAD_MEMALLOC(len_EM_F,double);
77 gross 2748 row_index=THREAD_MEMALLOC(p.row_numShapesTotal,index_t);
78 gross 853
79 jfenwick 2271
80 gross 853 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
81    
82     for (color=elements->minColor;color<=elements->maxColor;color++) {
83     /* open loop over all elements: */
84     #pragma omp for private(e) schedule(static)
85     for(e=0;e<elements->numElements;e++){
86     if (elements->Color[e]==color) {
87 gross 2748
88 jfenwick 2770 A_p=getSampleDataRO(A,e);
89     C_p=getSampleDataRO(C,e);
90     B_p=getSampleDataRO(B,e);
91     D_p=getSampleDataRO(D,e);
92     X_p=getSampleDataRO(X,e);
93     Y_p=getSampleDataRO(Y,e);
94 gross 2748
95     for (isub=0; isub<p.numSub; isub++) {
96     Vol=&(p.row_jac->volume[INDEX3(0,isub,e, p.numQuadSub,p.numSub)]);
97     DSDX=&(p.row_jac->DSDX[INDEX5(0,0,0,isub,e, p.row_numShapesTotal,DIM,p.numQuadSub,p.numSub)]);
98     for (q=0;q<len_EM_S;++q) EM_S[q]=0;
99     for (q=0;q<len_EM_F;++q) EM_F[q]=0;
100     add_EM_F=FALSE;
101     add_EM_S=FALSE;
102     /**************************************************************/
103     /* process A: */
104     /**************************************************************/
105     if (NULL!=A_p) {
106     add_EM_S=TRUE;
107     if (extendedA) {
108     A_q=&(A_p[INDEX4(0,0,0,isub, DIM,DIM,p.numQuadSub)]);
109     for (s=0;s<p.row_numShapes;s++) {
110     for (r=0;r<p.col_numShapes;r++) {
111     rtmp=0;
112     for (q=0;q<p.numQuadSub;q++) {
113     rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_numShapesTotal,DIM)]*A_q[INDEX3(0,0,q,DIM,DIM)]*DSDX[INDEX3(r,0,q,p.row_numShapesTotal,DIM)];
114     }
115     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
116     }
117     }
118     } else {
119     for (s=0;s<p.row_numShapes;s++) {
120     for (r=0;r<p.col_numShapes;r++) {
121     rtmp=0;
122     for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_numShapesTotal,DIM)]*DSDX[INDEX3(r,0,q,p.row_numShapesTotal,DIM)];
123     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*A_p[INDEX2(0,0,DIM)];
124     }
125     }
126     }
127     }
128     /**************************************************************/
129     /* process B: */
130     /**************************************************************/
131     if (NULL!=B_p) {
132     add_EM_S=TRUE;
133     if (extendedB) {
134     B_q=&(B_p[INDEX3(0,0,isub, DIM, p.numQuadSub)]);
135     for (s=0;s<p.row_numShapes;s++) {
136     for (r=0;r<p.col_numShapes;r++) {
137     rtmp=0;
138     for (q=0;q<p.numQuadSub;q++) {
139     rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_numShapesTotal,DIM)]*B_q[INDEX2(0,q,DIM)]*S[INDEX2(r,q,p.row_numShapes)];
140     }
141     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
142     }
143     }
144     } else {
145     for (s=0;s<p.row_numShapes;s++) {
146     for (r=0;r<p.col_numShapes;r++) {
147     rtmp=0;
148     for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_numShapesTotal,DIM)]*S[INDEX2(r,q,p.row_numShapes)];
149     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*B_p[0];
150     }
151     }
152 gross 853 }
153 gross 2748 }
154     /**************************************************************/
155     /* process C: */
156     /**************************************************************/
157     if (NULL!=C_p) {
158     add_EM_S=TRUE;
159     if (extendedC) {
160     C_q=&(C_p[INDEX3(0,0,isub, DIM, p.numQuadSub)]);
161     for (s=0;s<p.row_numShapes;s++) {
162     for (r=0;r<p.col_numShapes;r++) {
163     rtmp=0;
164     for (q=0;q<p.numQuadSub;q++) {
165     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*C_q[INDEX2(0,q,DIM)]*DSDX[INDEX3(r,0,q,p.row_numShapesTotal,DIM)];
166     }
167     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
168     }
169     }
170     } else {
171     for (s=0;s<p.row_numShapes;s++) {
172     for (r=0;r<p.col_numShapes;r++) {
173     rtmp=0;
174     for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*DSDX[INDEX3(r,0,q,p.row_numShapesTotal,DIM)];
175     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*C_p[0];
176     }
177     }
178     }
179     }
180     /************************************************************* */
181     /* process D */
182     /**************************************************************/
183     if (NULL!=D_p) {
184     add_EM_S=TRUE;
185     if (extendedD) {
186     D_q=&(D_p[INDEX2(0,isub, p.numQuadSub)]);
187     for (s=0;s<p.row_numShapes;s++) {
188     for (r=0;r<p.col_numShapes;r++) {
189     rtmp=0;
190     for (q=0;q<p.numQuadSub;q++) {
191     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*D_q[q]*S[INDEX2(r,q,p.row_numShapes)];
192     }
193     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
194     }
195     }
196     } else {
197     for (s=0;s<p.row_numShapes;s++) {
198     for (r=0;r<p.col_numShapes;r++) {
199     rtmp=0;
200     for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*S[INDEX2(r,q,p.row_numShapes)];
201     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*D_p[0];
202     }
203     }
204     }
205     }
206     /**************************************************************/
207     /* process X: */
208     /**************************************************************/
209     if (NULL!=X_p) {
210     add_EM_F=TRUE;
211     if (extendedX) {
212     X_q=&(X_p[INDEX3(0,0,isub, DIM,p.numQuadSub)]);
213     for (s=0;s<p.row_numShapes;s++) {
214 gross 853 rtmp=0;
215 gross 2748 for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_numShapesTotal,DIM)]*X_q[INDEX2(0,q,DIM)];
216     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
217 gross 853 }
218 gross 2748 } else {
219     for (s=0;s<p.row_numShapes;s++) {
220 gross 853 rtmp=0;
221 gross 2748 for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q, p.row_numShapesTotal,DIM)];
222     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*X_p[0];
223 gross 853 }
224 gross 2748 }
225 gross 853 }
226 gross 2748 /**************************************************************/
227     /* process Y: */
228     /**************************************************************/
229     if (NULL!=Y_p) {
230     add_EM_F=TRUE;
231     if (extendedY) {
232     Y_q=&(Y_p[INDEX2(0,isub, p.numQuadSub)]);
233     for (s=0;s<p.row_numShapes;s++) {
234 gross 853 rtmp=0;
235 gross 2748 for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*Y_q[q];
236     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
237 gross 853 }
238 gross 2748 } else {
239     for (s=0;s<p.row_numShapes;s++) {
240 gross 853 rtmp=0;
241 gross 2748 for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)];
242     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*Y_p[0];
243 gross 853 }
244     }
245 gross 2748 }
246     /***********************************************************************************************/
247     /* add the element matrices onto the matrix and right hand side */
248     /***********************************************************************************************/
249     for (q=0;q<p.row_numShapesTotal;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[INDEX2(q,isub,p.row_numShapesTotal)],e,p.NN)]];
250    
251     if (add_EM_F) Finley_Util_AddScatter(p.row_numShapesTotal,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
252     if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_numShapesTotal,row_index,p.numEqu,p.col_numShapesTotal,row_index,p.numComp,EM_S);
253     } /* end of isub */
254 gross 853
255     } /* end color check */
256     } /* end element loop */
257     } /* end color loop */
258    
259 jfenwick 2271 THREAD_MEMFREE(EM_S); /* these FREEs appear to be inside the if because if any of the allocs */
260     THREAD_MEMFREE(EM_F); /* failed it means an out of memory (which is not recoverable anyway) */
261 gross 853 THREAD_MEMFREE(row_index);
262 gross 798
263 gross 853 } /* end of pointer check */
264 gross 798 } /* end parallel region */
265     }
266     /*
267     * $Log$
268     */

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