/[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 1388 - (hide annotations)
Fri Jan 11 07:45:58 2008 UTC (11 years, 2 months ago) by trankine
Original Path: trunk/finley/src/Assemble_PDE_Single2_1D.c
File MIME type: text/plain
File size: 11648 byte(s)
And get the *(&(*&(* name right
1 gross 798
2 ksteube 1312 /* $Id$ */
3    
4     /*******************************************************
5     *
6     * Copyright 2003-2007 by ACceSS MNRF
7     * Copyright 2007 by University of Queensland
8     *
9     * http://esscc.uq.edu.au
10     * Primary Business: Queensland, Australia
11     * Licensed under the Open Software License version 3.0
12     * http://www.opensource.org/licenses/osl-3.0.php
13     *
14     *******************************************************/
15    
16 gross 798 /**************************************************************/
17    
18     /* assembles the system of numEq PDEs into the stiffness matrix S right hand side F */
19     /* the shape functions for test and solution must be identical */
20    
21    
22     /* -(A_{i,j} u_,j)_i-(B_{i} u)_i+C_{j} u_,j-D u_m and -(X_,i)_i + Y */
23    
24     /* in a 1D domain. The shape functions for test and solution must be identical */
25     /* and row_NS == row_NN */
26    
27     /* Shape of the coefficients: */
28    
29     /* A = 1 x 1 */
30     /* B = 1 */
31     /* C = 1 */
32     /* D = scalar */
33     /* X = 1 */
34     /* Y = scalar */
35    
36    
37     /**************************************************************/
38    
39    
40     #include "Assemble.h"
41     #include "Util.h"
42 gross 853 #ifdef _OPENMP
43     #include <omp.h>
44     #endif
45 gross 798
46 gross 853
47 gross 798 /**************************************************************/
48    
49     void Finley_Assemble_PDE_Single2_1D(Assemble_Parameters p, Finley_ElementFile* elements,
50     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     dim_t e;
56 gross 853 double *EM_S, *EM_F, *Vol, *DSDX, *A_p, *B_p, *C_p, *D_p, *X_p, *Y_p;
57     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     double *F_p=getSampleData(F,0);
69     double *S=p.row_jac->ReferenceElement->S;
70     dim_t len_EM_S=p.row_NN*p.col_NN;
71     dim_t len_EM_F=p.row_NN;
72    
73    
74 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)
75 gross 798 {
76 gross 853 EM_S=THREAD_MEMALLOC(len_EM_S,double);
77     EM_F=THREAD_MEMALLOC(len_EM_F,double);
78     row_index=THREAD_MEMALLOC(p.row_NN,index_t);
79    
80     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     Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]);
88     DSDX=&(p.row_jac->DSDX[INDEX4(0,0,0,e,p.row_NN,DIM,p.numQuad)]);
89     for (q=0;q<len_EM_S;++q) EM_S[q]=0;
90     for (q=0;q<len_EM_F;++q) EM_F[q]=0;
91     add_EM_F=FALSE;
92     add_EM_S=FALSE;
93     /**************************************************************/
94     /* process A: */
95     /**************************************************************/
96     A_p=getSampleData(A,e);
97     if (NULL!=A_p) {
98     add_EM_S=TRUE;
99     if (extendedA) {
100     for (s=0;s<p.row_NS;s++) {
101     for (r=0;r<p.col_NS;r++) {
102     rtmp=0;
103     for (q=0;q<p.numQuad;q++) {
104     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)];
105     }
106     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
107     }
108     }
109     } else {
110     for (s=0;s<p.row_NS;s++) {
111     for (r=0;r<p.col_NS;r++) {
112     rtmp=0;
113     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)];
114     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*A_p[INDEX2(0,0,DIM)];
115     }
116     }
117     }
118     }
119     /**************************************************************/
120     /* process B: */
121     /**************************************************************/
122     B_p=getSampleData(B,e);
123     if (NULL!=B_p) {
124     add_EM_S=TRUE;
125     if (extendedB) {
126     for (s=0;s<p.row_NS;s++) {
127     for (r=0;r<p.col_NS;r++) {
128     rtmp=0;
129     for (q=0;q<p.numQuad;q++) {
130     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)];
131     }
132     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
133     }
134     }
135     } else {
136     for (s=0;s<p.row_NS;s++) {
137     for (r=0;r<p.col_NS;r++) {
138     rtmp=0;
139     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)];
140     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*B_p[0];
141     }
142     }
143 gross 798 }
144 gross 853 }
145     /**************************************************************/
146     /* process C: */
147     /**************************************************************/
148     C_p=getSampleData(C,e);
149     if (NULL!=C_p) {
150     add_EM_S=TRUE;
151     if (extendedC) {
152     for (s=0;s<p.row_NS;s++) {
153     for (r=0;r<p.col_NS;r++) {
154     rtmp=0;
155     for (q=0;q<p.numQuad;q++) {
156     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)];
157     }
158     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
159     }
160     }
161     } else {
162     for (s=0;s<p.row_NS;s++) {
163     for (r=0;r<p.col_NS;r++) {
164     rtmp=0;
165     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)];
166     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*C_p[0];
167     }
168     }
169     }
170     }
171     /************************************************************* */
172     /* process D */
173     /**************************************************************/
174     D_p=getSampleData(D,e);
175     if (NULL!=D_p) {
176     add_EM_S=TRUE;
177     if (extendedD) {
178     for (s=0;s<p.row_NS;s++) {
179     for (r=0;r<p.col_NS;r++) {
180     rtmp=0;
181     for (q=0;q<p.numQuad;q++) {
182     rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*D_p[q]*S[INDEX2(r,q,p.row_NS)];
183     }
184     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp;
185     }
186     }
187     } else {
188     for (s=0;s<p.row_NS;s++) {
189     for (r=0;r<p.col_NS;r++) {
190     rtmp=0;
191     for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*S[INDEX2(r,q,p.row_NS)];
192     EM_S[INDEX4(0,0,s,r,p.numEqu,p.numComp,p.row_NN)]+=rtmp*D_p[0];
193     }
194     }
195     }
196     }
197     /**************************************************************/
198     /* process X: */
199     /**************************************************************/
200     X_p=getSampleData(X,e);
201     if (NULL!=X_p) {
202     add_EM_F=TRUE;
203     if (extendedX) {
204     for (s=0;s<p.row_NS;s++) {
205 gross 798 rtmp=0;
206 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)];
207     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
208 gross 798 }
209 gross 853 } else {
210     for (s=0;s<p.row_NS;s++) {
211 gross 798 rtmp=0;
212 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*DSDX[INDEX3(s,0,q,p.row_NN,DIM)];
213     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*X_p[0];
214 gross 798 }
215 gross 853 }
216 gross 798 }
217 gross 853 /**************************************************************/
218     /* process Y: */
219     /**************************************************************/
220     Y_p=getSampleData(Y,e);
221     if (NULL!=Y_p) {
222     add_EM_F=TRUE;
223     if (extendedY) {
224     for (s=0;s<p.row_NS;s++) {
225 gross 798 rtmp=0;
226 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)]*Y_p[q];
227     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp;
228 gross 798 }
229 gross 853 } else {
230     for (s=0;s<p.row_NS;s++) {
231 gross 798 rtmp=0;
232 gross 853 for (q=0;q<p.numQuad;q++) rtmp+=Vol[q]*S[INDEX2(s,q,p.row_NS)];
233     EM_F[INDEX2(0,s,p.numEqu)]+=rtmp*Y_p[0];
234 gross 798 }
235     }
236 gross 853 }
237     /***********************************************************************************************/
238     /* add the element matrices onto the matrix and right hand side */
239     /***********************************************************************************************/
240     for (q=0;q<p.row_NN;q++) row_index[q]=p.row_DOF[elements->Nodes[INDEX2(p.row_node[q],e,p.NN)]];
241     if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound);
242     if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S);
243    
244     } /* end color check */
245     } /* end element loop */
246     } /* end color loop */
247    
248     THREAD_MEMFREE(EM_S);
249     THREAD_MEMFREE(EM_F);
250     THREAD_MEMFREE(row_index);
251 gross 798
252 gross 853 } /* end of pointer check */
253 gross 798 } /* end parallel region */
254     }
255     /*
256     * $Log$
257     */

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