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

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Revision 1811 - (hide annotations)
Thu Sep 25 23:11:13 2008 UTC (10 years, 7 months ago) by ksteube
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File size: 11613 byte(s)
Copyright updated in all files

1 gross 798
2 ksteube 1312 /*******************************************************
3 ksteube 1811 *
4     * Copyright (c) 2003-2008 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 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     dim_t e;
55 gross 853 double *EM_S, *EM_F, *Vol, *DSDX, *A_p, *B_p, *C_p, *D_p, *X_p, *Y_p;
56     index_t *row_index;
57     register dim_t q, s,r;
58     register double rtmp;
59     bool_t add_EM_F, add_EM_S;
60    
61 gross 798 bool_t extendedA=isExpanded(A);
62     bool_t extendedB=isExpanded(B);
63     bool_t extendedC=isExpanded(C);
64     bool_t extendedD=isExpanded(D);
65     bool_t extendedX=isExpanded(X);
66     bool_t extendedY=isExpanded(Y);
67     double *F_p=getSampleData(F,0);
68     double *S=p.row_jac->ReferenceElement->S;
69     dim_t len_EM_S=p.row_NN*p.col_NN;
70     dim_t len_EM_F=p.row_NN;
71    
72    
73 gross 853 #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,rtmp,add_EM_F, add_EM_S)
74 gross 798 {
75 gross 853 EM_S=THREAD_MEMALLOC(len_EM_S,double);
76     EM_F=THREAD_MEMALLOC(len_EM_F,double);
77     row_index=THREAD_MEMALLOC(p.row_NN,index_t);
78    
79     if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) {
80    
81     for (color=elements->minColor;color<=elements->maxColor;color++) {
82     /* open loop over all elements: */
83     #pragma omp for private(e) schedule(static)
84     for(e=0;e<elements->numElements;e++){
85     if (elements->Color[e]==color) {
86     Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
87     DSDX=&(p.row_jac->DSDX[INDEX4(0,0,0,e,p.row_NN,DIM,p.numQuad)]);
88     for (q=0;q<len_EM_S;++q) EM_S[q]=0;
89     for (q=0;q<len_EM_F;++q) EM_F[q]=0;
90     add_EM_F=FALSE;
91     add_EM_S=FALSE;
92     /**************************************************************/
93     /* process A: */
94     /**************************************************************/
95     A_p=getSampleData(A,e);
96     if (NULL!=A_p) {
97     add_EM_S=TRUE;
98     if (extendedA) {
99     for (s=0;s<p.row_NS;s++) {
100     for (r=0;r<p.col_NS;r++) {
101     rtmp=0;
102     for (q=0;q<p.numQuad;q++) {
103     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)];
104     }
105     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
106     }
107     }
108     } else {
109     for (s=0;s<p.row_NS;s++) {
110     for (r=0;r<p.col_NS;r++) {
111     rtmp=0;
112     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)];
113     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*A_p[INDEX2(0,0,DIM)];
114     }
115     }
116     }
117     }
118     /**************************************************************/
119     /* process B: */
120     /**************************************************************/
121     B_p=getSampleData(B,e);
122     if (NULL!=B_p) {
123     add_EM_S=TRUE;
124     if (extendedB) {
125     for (s=0;s<p.row_NS;s++) {
126     for (r=0;r<p.col_NS;r++) {
127     rtmp=0;
128     for (q=0;q<p.numQuad;q++) {
129     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)];
130     }
131     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
132     }
133     }
134     } else {
135     for (s=0;s<p.row_NS;s++) {
136     for (r=0;r<p.col_NS;r++) {
137     rtmp=0;
138     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)];
139     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*B_p[0];
140     }
141     }
142 gross 798 }
143 gross 853 }
144     /**************************************************************/
145     /* process C: */
146     /**************************************************************/
147     C_p=getSampleData(C,e);
148     if (NULL!=C_p) {
149     add_EM_S=TRUE;
150     if (extendedC) {
151     for (s=0;s<p.row_NS;s++) {
152     for (r=0;r<p.col_NS;r++) {
153     rtmp=0;
154     for (q=0;q<p.numQuad;q++) {
155     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)];
156     }
157     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
158     }
159     }
160     } else {
161     for (s=0;s<p.row_NS;s++) {
162     for (r=0;r<p.col_NS;r++) {
163     rtmp=0;
164     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)];
165     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*C_p[0];
166     }
167     }
168     }
169     }
170     /************************************************************* */
171     /* process D */
172     /**************************************************************/
173     D_p=getSampleData(D,e);
174     if (NULL!=D_p) {
175     add_EM_S=TRUE;
176     if (extendedD) {
177     for (s=0;s<p.row_NS;s++) {
178     for (r=0;r<p.col_NS;r++) {
179     rtmp=0;
180     for (q=0;q<p.numQuad;q++) {
181     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[q]*S[INDEX2(r,q,p.row_NS)];
182     }
183     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
184     }
185     }
186     } else {
187     for (s=0;s<p.row_NS;s++) {
188     for (r=0;r<p.col_NS;r++) {
189     rtmp=0;
190     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
191     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*D_p[0];
192     }
193     }
194     }
195     }
196     /**************************************************************/
197     /* process X: */
198     /**************************************************************/
199     X_p=getSampleData(X,e);
200     if (NULL!=X_p) {
201     add_EM_F=TRUE;
202     if (extendedX) {
203     for (s=0;s<p.row_NS;s++) {
204 gross 798 rtmp=0;
205 gross 853 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)];
206     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
207 gross 798 }
208 gross 853 } else {
209     for (s=0;s<p.row_NS;s++) {
210 gross 798 rtmp=0;
211 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
212     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*X_p[0];
213 gross 798 }
214 gross 853 }
215 gross 798 }
216 gross 853 /**************************************************************/
217     /* process Y: */
218     /**************************************************************/
219     Y_p=getSampleData(Y,e);
220     if (NULL!=Y_p) {
221     add_EM_F=TRUE;
222     if (extendedY) {
223     for (s=0;s<p.row_NS;s++) {
224 gross 798 rtmp=0;
225 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[q];
226     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
227 gross 798 }
228 gross 853 } else {
229     for (s=0;s<p.row_NS;s++) {
230 gross 798 rtmp=0;
231 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
232     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*Y_p[0];
233 gross 798 }
234     }
235 gross 853 }
236     /***********************************************************************************************/
237     /* add the element matrices onto the matrix and right hand side */
238     /***********************************************************************************************/
239     for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.NN)]];
240     if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
241     if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
242    
243     } /* end color check */
244     } /* end element loop */
245     } /* end color loop */
246    
247     THREAD_MEMFREE(EM_S);
248     THREAD_MEMFREE(EM_F);
249     THREAD_MEMFREE(row_index);
250 gross 798
251 gross 853 } /* end of pointer check */
252 gross 798 } /* end parallel region */
253     }
254     /*
255     * $Log$
256     */

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