# Contents of /branches/doubleplusgood/dudley/src/Assemble_PDE_System2_2D.cpp

Revision 2271 - (show annotations)
Mon Feb 16 05:08:29 2009 UTC (10 years, 3 months ago) by jfenwick
Original Path: trunk/finley/src/Assemble_PDE_System2_2D.c
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File size: 17662 byte(s)
```Merging version 2269 to trunk

```
 1 2 /******************************************************* 3 * 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 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 2D 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 2 x p.numComp x 2 */ 29 /* B = 2 x p.numEqu x p.numComp */ 30 /* C = p.numEqu x 2 x p.numComp */ 31 /* D = p.numEqu x p.numComp */ 32 /* X = p.numEqu x 2 */ 33 /* Y = p.numEqu */ 34 35 36 /**************************************************************/ 37 38 39 #include "Assemble.h" 40 #include "Util.h" 41 #ifdef _OPENMP 42 #include 43 #endif 44 45 46 /**************************************************************/ 47 48 void Finley_Assemble_PDE_System2_2D(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 2 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, rtmp0, rtmp1, rtmp00, rtmp10, rtmp01, rtmp11; 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, rtmp0, rtmp1, rtmp00, rtmp10, rtmp01, rtmp11,add_EM_F, add_EM_S) 80 { 81 82 EM_S=THREAD_MEMALLOC(len_EM_S,double); 83 EM_F=THREAD_MEMALLOC(len_EM_F,double); 84 row_index=THREAD_MEMALLOC(p.row_NN,index_t); 85 86 if (!Finley_checkPtr(EM_S) && !Finley_checkPtr(EM_F) && !Finley_checkPtr(row_index) ) { 87 88 for (color=elements->minColor;color<=elements->maxColor;color++) { 89 /* open loop over all elements: */ 90 #pragma omp for private(e) schedule(static) 91 for(e=0;enumElements;e++){ 92 if (elements->Color[e]==color) { 93 Vol=&(p.row_jac->volume[INDEX2(0,e,p.numQuad)]); 94 DSDX=&(p.row_jac->DSDX[INDEX4(0,0,0,e,p.row_NN,DIM,p.numQuad)]); 95 for (q=0;qNodes[INDEX2(p.row_node[q],e,p.NN)]]; 324 if (add_EM_F) Finley_Util_AddScatter(p.row_NN,row_index,p.numEqu,EM_F,F_p, p.row_DOF_UpperBound); 325 if (add_EM_S) Finley_Assemble_addToSystemMatrix(Mat,p.row_NN,row_index,p.numEqu,p.col_NN,row_index,p.numComp,EM_S); 326 327 } /* end color check */ 328 } /* end element loop */ 329 } /* end color loop */ 330 331 THREAD_MEMFREE(EM_S); 332 THREAD_MEMFREE(EM_F); 333 THREAD_MEMFREE(row_index); 334 335 } /* end of pointer check */ 336 } /* end parallel region */ 337 freeSampleBuffer(ABuff); 338 freeSampleBuffer(BBuff); 339 freeSampleBuffer(CBuff); 340 freeSampleBuffer(DBuff); 341 freeSampleBuffer(XBuff); 342 freeSampleBuffer(YBuff); 343 } 344 /* 345 * \$Log\$ 346 */

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