/[escript]/branches/domexper/finley/src/Assemble_PDE_Single2_1D.c
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Annotation of /branches/domexper/finley/src/Assemble_PDE_Single2_1D.c

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Revision 3247 - (hide annotations)
Wed Oct 6 05:53:06 2010 UTC (9 years, 4 months ago) by caltinay
File MIME type: text/plain
File size: 13525 byte(s)
Fixed name clashes between dudley and finley so both can be used
simultaneously.

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 caltinay 3247 void Finley_Assemble_PDE_Single2_1D(Finley_Assemble_Parameters p,
49     Finley_ElementFile* elements,
50 gross 798 Paso_SystemMatrix* Mat, escriptDataC* F,
51     escriptDataC* A, escriptDataC* B, escriptDataC* C, escriptDataC* D, escriptDataC* X, escriptDataC* Y) {
52    
53     #define DIM 1
54     index_t color;
55 gross 2748 dim_t e, isub;
56     __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;
57 jfenwick 2271 double *EM_S, *EM_F, *Vol, *DSDX;
58 gross 853 index_t *row_index;
59     register dim_t q, s,r;
60     register double rtmp;
61     bool_t add_EM_F, add_EM_S;
62    
63 gross 798 bool_t extendedA=isExpanded(A);
64     bool_t extendedB=isExpanded(B);
65     bool_t extendedC=isExpanded(C);
66     bool_t extendedD=isExpanded(D);
67     bool_t extendedX=isExpanded(X);
68     bool_t extendedY=isExpanded(Y);
69 jfenwick 2271 double *F_p=(requireWrite(F), getSampleDataRW(F,0)); /* use comma, to get around the mixed code and declarations thing */
70 gross 2748 double *S=p.row_jac->BasisFunctions->S;
71     dim_t len_EM_S=p.row_numShapesTotal*p.col_numShapesTotal;
72     dim_t len_EM_F=p.row_numShapesTotal;
73 gross 798
74 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)
75 gross 798 {
76 gross 853 EM_S=THREAD_MEMALLOC(len_EM_S,double);
77     EM_F=THREAD_MEMALLOC(len_EM_F,double);
78 gross 2748 row_index=THREAD_MEMALLOC(p.row_numShapesTotal,index_t);
79 gross 853
80 jfenwick 2271
81 gross 853 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
82    
83     for (color=elements->minColor;color<=elements->maxColor;color++) {
84     /* open loop over all elements: */
85     #pragma omp for private(e) schedule(static)
86     for(e=0;e<elements->numElements;e++){
87     if (elements->Color[e]==color) {
88 gross 2748
89 jfenwick 2770 A_p=getSampleDataRO(A,e);
90     C_p=getSampleDataRO(C,e);
91     B_p=getSampleDataRO(B,e);
92     D_p=getSampleDataRO(D,e);
93     X_p=getSampleDataRO(X,e);
94     Y_p=getSampleDataRO(Y,e);
95 gross 2748
96     for (isub=0; isub<p.numSub; isub++) {
97     Vol=&(p.row_jac->volume[INDEX3(0,isub,e, p.numQuadSub,p.numSub)]);
98     DSDX=&(p.row_jac->DSDX[INDEX5(0,0,0,isub,e, p.row_numShapesTotal,DIM,p.numQuadSub,p.numSub)]);
99     for (q=0;q<len_EM_S;++q) EM_S[q]=0;
100     for (q=0;q<len_EM_F;++q) EM_F[q]=0;
101     add_EM_F=FALSE;
102     add_EM_S=FALSE;
103     /**************************************************************/
104     /* process A: */
105     /**************************************************************/
106     if (NULL!=A_p) {
107     add_EM_S=TRUE;
108     if (extendedA) {
109     A_q=&(A_p[INDEX4(0,0,0,isub, DIM,DIM,p.numQuadSub)]);
110     for (s=0;s<p.row_numShapes;s++) {
111     for (r=0;r<p.col_numShapes;r++) {
112     rtmp=0;
113     for (q=0;q<p.numQuadSub;q++) {
114     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)];
115     }
116     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
117     }
118     }
119     } else {
120     for (s=0;s<p.row_numShapes;s++) {
121     for (r=0;r<p.col_numShapes;r++) {
122     rtmp=0;
123     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)];
124     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*A_p[INDEX2(0,0,DIM)];
125     }
126     }
127     }
128     }
129     /**************************************************************/
130     /* process B: */
131     /**************************************************************/
132     if (NULL!=B_p) {
133     add_EM_S=TRUE;
134     if (extendedB) {
135     B_q=&(B_p[INDEX3(0,0,isub, DIM, p.numQuadSub)]);
136     for (s=0;s<p.row_numShapes;s++) {
137     for (r=0;r<p.col_numShapes;r++) {
138     rtmp=0;
139     for (q=0;q<p.numQuadSub;q++) {
140     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)];
141     }
142     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
143     }
144     }
145     } else {
146     for (s=0;s<p.row_numShapes;s++) {
147     for (r=0;r<p.col_numShapes;r++) {
148     rtmp=0;
149     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)];
150     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*B_p[0];
151     }
152     }
153 gross 853 }
154 gross 2748 }
155     /**************************************************************/
156     /* process C: */
157     /**************************************************************/
158     if (NULL!=C_p) {
159     add_EM_S=TRUE;
160     if (extendedC) {
161     C_q=&(C_p[INDEX3(0,0,isub, DIM, p.numQuadSub)]);
162     for (s=0;s<p.row_numShapes;s++) {
163     for (r=0;r<p.col_numShapes;r++) {
164     rtmp=0;
165     for (q=0;q<p.numQuadSub;q++) {
166     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)];
167     }
168     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
169     }
170     }
171     } else {
172     for (s=0;s<p.row_numShapes;s++) {
173     for (r=0;r<p.col_numShapes;r++) {
174     rtmp=0;
175     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)];
176     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*C_p[0];
177     }
178     }
179     }
180     }
181     /************************************************************* */
182     /* process D */
183     /**************************************************************/
184     if (NULL!=D_p) {
185     add_EM_S=TRUE;
186     if (extendedD) {
187     D_q=&(D_p[INDEX2(0,isub, p.numQuadSub)]);
188     for (s=0;s<p.row_numShapes;s++) {
189     for (r=0;r<p.col_numShapes;r++) {
190     rtmp=0;
191     for (q=0;q<p.numQuadSub;q++) {
192     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*D_q[q]*S[INDEX2(r,q,p.row_numShapes)];
193     }
194     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp;
195     }
196     }
197     } else {
198     for (s=0;s<p.row_numShapes;s++) {
199     for (r=0;r<p.col_numShapes;r++) {
200     rtmp=0;
201     for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*S[INDEX2(r,q,p.row_numShapes)];
202     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_numShapesTotal)]+=rtmp*D_p[0];
203     }
204     }
205     }
206     }
207     /**************************************************************/
208     /* process X: */
209     /**************************************************************/
210     if (NULL!=X_p) {
211     add_EM_F=TRUE;
212     if (extendedX) {
213     X_q=&(X_p[INDEX3(0,0,isub, DIM,p.numQuadSub)]);
214     for (s=0;s<p.row_numShapes;s++) {
215 gross 853 rtmp=0;
216 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)];
217     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
218 gross 853 }
219 gross 2748 } else {
220     for (s=0;s<p.row_numShapes;s++) {
221 gross 853 rtmp=0;
222 gross 2748 for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q, p.row_numShapesTotal,DIM)];
223     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*X_p[0];
224 gross 853 }
225 gross 2748 }
226 gross 853 }
227 gross 2748 /**************************************************************/
228     /* process Y: */
229     /**************************************************************/
230     if (NULL!=Y_p) {
231     add_EM_F=TRUE;
232     if (extendedY) {
233     Y_q=&(Y_p[INDEX2(0,isub, p.numQuadSub)]);
234     for (s=0;s<p.row_numShapes;s++) {
235 gross 853 rtmp=0;
236 gross 2748 for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)]*Y_q[q];
237     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
238 gross 853 }
239 gross 2748 } else {
240     for (s=0;s<p.row_numShapes;s++) {
241 gross 853 rtmp=0;
242 gross 2748 for (q=0;q<p.numQuadSub;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_numShapes)];
243     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*Y_p[0];
244 gross 853 }
245     }
246 gross 2748 }
247     /***********************************************************************************************/
248     /* add the element matrices onto the matrix and right hand side */
249     /***********************************************************************************************/
250     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)]];
251    
252     if (add_EM_F) Finley_Util_AddScatter(p.row_numShapesTotal,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
253     if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_numShapesTotal,row_index,p.numEqu,p.col_numShapesTotal,row_index,p.numComp,EM_S);
254     } /* end of isub */
255 gross 853
256     } /* end color check */
257     } /* end element loop */
258     } /* end color loop */
259    
260 jfenwick 2271 THREAD_MEMFREE(EM_S); /* these FREEs appear to be inside the if because if any of the allocs */
261     THREAD_MEMFREE(EM_F); /* failed it means an out of memory (which is not recoverable anyway) */
262 gross 853 THREAD_MEMFREE(row_index);
263 gross 798
264 gross 853 } /* end of pointer check */
265 gross 798 } /* end parallel region */
266     }
267     /*
268     * $Log$
269     */

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