1 | |
---|
2 | /*************************************************************************** |
---|
3 | module classe solsor_dynspg_flt.h - description |
---|
4 | ***************************************************************************/ |
---|
5 | // Mohamed Berrada |
---|
6 | // locean-ipsl.upmc, Paris, April 23, 2009 |
---|
7 | //=========================================================================== |
---|
8 | // methode forward |
---|
9 | forward () |
---|
10 | { |
---|
11 | // FILE * fid; |
---|
12 | |
---|
13 | if(Yt==TU) |
---|
14 | return; |
---|
15 | else{ |
---|
16 | if(Yi==0 && Yj==0){ |
---|
17 | int t,jn,jj,ji, icount = 0,ncut=0,niter=0,ishift; |
---|
18 | niter=0;ncut=0; |
---|
19 | if(Yt==TU+1 && neuler==0) |
---|
20 | t=0; |
---|
21 | else |
---|
22 | t=1; |
---|
23 | //--------------------- |
---|
24 | //initialisation de gcx |
---|
25 | |
---|
26 | /*test solsor |
---|
27 | if (Yt==TU+1) { |
---|
28 | |
---|
29 | fid=fopen("../data_out/test_solsor_mb","w"); |
---|
30 | }*/ |
---|
31 | |
---|
32 | |
---|
33 | for(jj=0;jj<NY;jj++) |
---|
34 | for(ji=0;ji<NX;ji++){ |
---|
35 | // gcxb(ji,jj)=gcx(ji,jj); |
---|
36 | gcx(ji,jj)=YS_gcx_dynspg_flt(0,ji,jj,Yt); |
---|
37 | |
---|
38 | /*test solsor |
---|
39 | if (Yt==TU+1) { |
---|
40 | |
---|
41 | fprintf(fid,"%d\t%d\t%d\t%e\t%e\n",0,jj,ji,gcx(ji,jj),gcr(ji,jj)); |
---|
42 | }*/ |
---|
43 | |
---|
44 | |
---|
45 | } |
---|
46 | //if(Yt==6) printf("------------------gcx(ji,jj,0,t) =%lf\n",gcx(28,2) ); |
---|
47 | //--------------------- |
---|
48 | //boundarie conditions -- ceci doit etre a l'interieur de loop nmax mais cas special |
---|
49 | for(jj=0;jj<NY;jj++){// ! East-West boundaries |
---|
50 | gcx(0,jj)=0.;gcx(NX-1,jj)=0.; |
---|
51 | } |
---|
52 | for(ji=0;ji<NX;ji++){// ! North-South boundaries |
---|
53 | gcx(ji,0)=0.;gcx(ji,NY-1)=0.; |
---|
54 | } |
---|
55 | |
---|
56 | |
---|
57 | double ztmp,zres,zres2,res=0.; |
---|
58 | //--------------------- |
---|
59 | //boucle |
---|
60 | //xsolmat_init(); |
---|
61 | for(jn=1;jn<=nmax;jn++){ |
---|
62 | // cas special ! applied the lateral boundary conditions |
---|
63 | // CALL lbc_lnk_e( gcx, c_solver_pt, 1. ) ; //c_solver_pt='T' |
---|
64 | // ! Residus |
---|
65 | // ! Guess black update |
---|
66 | |
---|
67 | for(jj=1;jj<NY-1;jj++){ |
---|
68 | ishift = jj%2; |
---|
69 | for(ji=1+ishift;ji<NX-1;ji+=2){ |
---|
70 | ztmp = YS_gcb_dynspg_flt(0,ji,jj,Yt) |
---|
71 | - gcp(ji,jj,0,t) * gcx(ji ,jj-1) |
---|
72 | - gcp(ji,jj,1,t) * gcx(ji-1,jj ) |
---|
73 | - gcp(ji,jj,2,t) * gcx(ji+1,jj ) |
---|
74 | - gcp(ji,jj,3,t) * gcx(ji ,jj+1); |
---|
75 | // ! Estimate of the residual |
---|
76 | zres = ztmp - gcx(ji,jj); |
---|
77 | gcr(ji,jj) = zres * gcdmat(ji,jj,t) * zres; |
---|
78 | // ! Guess update |
---|
79 | gcx(ji,jj) = sor * ztmp + (1.-sor) * gcx(ji,jj); |
---|
80 | |
---|
81 | |
---|
82 | /*test solsor |
---|
83 | if (Yt==TU+1) { |
---|
84 | |
---|
85 | fprintf(fid,"%d\t%d\t%d\t%e\t%e\n",jn,jj,ji,gcx(ji,jj),gcr(ji,jj)); |
---|
86 | } |
---|
87 | */ |
---|
88 | |
---|
89 | } |
---|
90 | } |
---|
91 | icount = icount + 1; |
---|
92 | |
---|
93 | //cas special ! applied the lateral boundary conditions |
---|
94 | // CALL lbc_lnk_e( gcx, c_solver_pt, 1. ) ; |
---|
95 | |
---|
96 | // ! Guess red update |
---|
97 | for(jj=1;jj<NY-1;jj++){ |
---|
98 | ishift = (jj-1)%2; |
---|
99 | for(ji=1+ishift;ji<NX-1;ji+=2){ |
---|
100 | ztmp = YS_gcb_dynspg_flt(0,ji,jj,Yt) |
---|
101 | - gcp(ji,jj,0,t) * gcx(ji ,jj-1) |
---|
102 | - gcp(ji,jj,1,t) * gcx(ji-1,jj ) |
---|
103 | - gcp(ji,jj,2,t) * gcx(ji+1,jj ) |
---|
104 | - gcp(ji,jj,3,t) * gcx(ji ,jj+1); |
---|
105 | // ! Estimate of the residual |
---|
106 | zres = ztmp - gcx(ji,jj); |
---|
107 | gcr(ji,jj) = zres * gcdmat(ji,jj,t) * zres; |
---|
108 | // ! Guess update |
---|
109 | gcx(ji,jj) = sor * ztmp + (1.-sor) * gcx(ji,jj); |
---|
110 | |
---|
111 | /*test solsor |
---|
112 | if (Yt==TU+1) { |
---|
113 | |
---|
114 | fprintf(fid,"%d\t%d\t%d\t%e\t%e\n",jn,jj,ji,gcx(ji,jj),gcr(ji,jj)); |
---|
115 | }*/ |
---|
116 | } |
---|
117 | } |
---|
118 | // if(jn>=nmax-1) xtest("gcx__",gcx(28,3),28,3,0,Yt); |
---|
119 | icount = icount + 1; |
---|
120 | // ! test of convergence |
---|
121 | if( jn > nmin && (jn-nmin)%nmod == 0 ) { |
---|
122 | zres2=0.; |
---|
123 | for(jj=1;jj<NY-1;jj++) |
---|
124 | for(ji=1;ji<NX-1;ji++) |
---|
125 | if(zres2<gcr(ji,jj)) zres2=gcr(ji,jj); |
---|
126 | // zres2 = MAXVAL( gcr(2:nlci-1,2:nlcj-1) ); |
---|
127 | // ! test of convergence |
---|
128 | if( zres2 < resmax || jn == nmax ){ |
---|
129 | res = sqrt( zres2 ); |
---|
130 | niter = jn; tniter[Yt]=jn; |
---|
131 | ncut = 999; |
---|
132 | // printf("FOR=======tniter(%d)=%d\n",Yt,tniter[Yt]); |
---|
133 | } |
---|
134 | } |
---|
135 | // if(jn>=nmax-1) xtest("gcx____",gcx(28,3),28,3,0,Yt); |
---|
136 | |
---|
137 | // ! indicator of non-convergence or explosion |
---|
138 | // IF( jn == nmax .OR. SQRT(epsr)/eps > 1.e+20 ) kindic = -2 |
---|
139 | if( ncut == 999 ) break; |
---|
140 | } |
---|
141 | // cout<<"niter="<<niter<<endl; |
---|
142 | // printf("res=%24.16e\n",res); |
---|
143 | // CALL lbc_lnk_e( gcx, c_solver_pt, 1. );// ! boundary conditions |
---|
144 | /* FILE* fp; |
---|
145 | fp=fopen("testh.pof","w"); |
---|
146 | for(int i=0;i<NX;i++) |
---|
147 | for(int j=0;j<NY;j++){ |
---|
148 | fprintf(fp,"%4d %4d %4d %24.16e\n",Yt+1,i,j,gcr(i,j)); |
---|
149 | } |
---|
150 | fclose(fp);*/ |
---|
151 | /* xtest("gcx",gcx(28,3),28,3,0,Yt); |
---|
152 | xtest("gcb",YS_gcb_dynspg_flt(0,28,3,Yt),28,3,0,Yt); */ |
---|
153 | /*test solsor |
---|
154 | if (Yt==TU+1) { |
---|
155 | fclose(fid); |
---|
156 | } |
---|
157 | */ |
---|
158 | |
---|
159 | } |
---|
160 | } |
---|
161 | // |
---|
162 | } |
---|
163 | |
---|
164 | //=========================================================================== |
---|
165 | // methode backward |
---|
166 | |
---|
167 | backward () |
---|
168 | { |
---|
169 | |
---|
170 | if(Ycurward==BACKWARD){ |
---|
171 | if(Yt==TU) |
---|
172 | return; |
---|
173 | else{ |
---|
174 | if(Yi==0 && Yj==0){ |
---|
175 | double G_ztmp; |
---|
176 | int t,jn,jj,ji, ishift,istart; |
---|
177 | if(Yt==TU+1 && neuler==0) |
---|
178 | t=0; |
---|
179 | else |
---|
180 | t=1; |
---|
181 | //--------------------- |
---|
182 | for(ji=0;ji<NX;ji++){ |
---|
183 | for(jj=0;jj<NY;jj++){ |
---|
184 | YG_gcx_dynspg_flt(0,ji,jj,Yt)=0.; |
---|
185 | YG_gcb_dynspg_flt(0,ji,jj,Yt)=0.; |
---|
186 | } |
---|
187 | } |
---|
188 | for(jj=0;jj<NY;jj++){ |
---|
189 | G_gcx(0,jj)=0.;G_gcx(NX-1,jj)=0.; |
---|
190 | G_gcx0(0,jj)=0.;G_gcx0(NX-1,jj)=0.; |
---|
191 | } |
---|
192 | for(ji=0;ji<NX;ji++){ |
---|
193 | G_gcx(ji,0)=0.;G_gcx(ji,NY-1)=0.; |
---|
194 | G_gcx0(ji,0)=0.;G_gcx0(ji,NY-1)=0.; |
---|
195 | } |
---|
196 | |
---|
197 | for(ji=1;ji<NX-1;ji++) |
---|
198 | for(jj=1;jj<NY-1;jj++){ |
---|
199 | // YG_gcx2(0,ji,jj,Yt)=Ytb_gcx(ji,jj); |
---|
200 | G_gcx(ji,jj)=YG_gcx2(0,ji,jj,Yt); |
---|
201 | G_gcx0(ji,jj)=0.; |
---|
202 | } |
---|
203 | |
---|
204 | for(jn=tniter[Yt];jn>=1;jn--){ |
---|
205 | // printf("BACK1=======YG_gcx_dynspg_flt(%d)=%23.16e\n",Yt,G_gcx(9,9)); |
---|
206 | // printf("BACK2=======YG_gcb_dynspg_flt(%d)=%23.16e\n",Yt,YG_gcb_dynspg_flt(0,9,9,Yt)); |
---|
207 | |
---|
208 | // BACK ! Guess red update |
---|
209 | for(jj=NY-2;jj>=1;jj--){ |
---|
210 | ishift = (jj-1)%2; |
---|
211 | istart=NX-2-(ishift-1)%2*(NX%2-1)%2-ishift*NX%2; |
---|
212 | for(ji=istart;ji>=1;ji-=2){ |
---|
213 | G_ztmp=G_gcx(ji,jj)*sor; |
---|
214 | G_gcx0(ji,jj)=G_gcx(ji,jj)*(1.-sor); |
---|
215 | YG_gcb_dynspg_flt(0,ji,jj,Yt)+=G_ztmp; |
---|
216 | G_gcx0(ji ,jj-1)+=- G_ztmp*gcp(ji,jj,0,t) ; |
---|
217 | G_gcx0(ji-1,jj )+=- G_ztmp*gcp(ji,jj,1,t) ; |
---|
218 | G_gcx0(ji+1,jj )+=- G_ztmp*gcp(ji,jj,2,t) ; |
---|
219 | G_gcx0(ji ,jj+1)+=- G_ztmp*gcp(ji,jj,3,t) ; |
---|
220 | } |
---|
221 | } |
---|
222 | |
---|
223 | // BACK ! Guess black update |
---|
224 | |
---|
225 | for(jj=NY-2;jj>=1;jj--){ |
---|
226 | ishift = jj%2; |
---|
227 | istart=NX-2-(ishift-1)%2*(NX%2-1)%2-ishift*NX%2; |
---|
228 | for(ji=istart;ji>=1;ji-=2){ |
---|
229 | G_ztmp=(G_gcx(ji,jj)+G_gcx0(ji,jj))*sor; |
---|
230 | G_gcx0(ji,jj)=(G_gcx(ji,jj)+G_gcx0(ji,jj))*(1.-sor); |
---|
231 | YG_gcb_dynspg_flt(0,ji,jj,Yt)+=G_ztmp; |
---|
232 | G_gcx0(ji ,jj-1)+=- G_ztmp*gcp(ji,jj,0,t) ; |
---|
233 | G_gcx0(ji-1,jj )+=- G_ztmp*gcp(ji,jj,1,t) ; |
---|
234 | G_gcx0(ji+1,jj )+=- G_ztmp*gcp(ji,jj,2,t) ; |
---|
235 | G_gcx0(ji ,jj+1)+=-G_ztmp* gcp(ji,jj,3,t) ; |
---|
236 | } |
---|
237 | } |
---|
238 | for(jj=0;jj<NY;jj++) |
---|
239 | for(ji=0;ji<NX;ji++){ |
---|
240 | G_gcx(ji,jj)=G_gcx0(ji,jj); |
---|
241 | G_gcx0(ji,jj)=0.; |
---|
242 | } |
---|
243 | for(jj=0;jj<NY;jj++){ |
---|
244 | G_gcx0(0,jj)=0.;G_gcx0(NX-1,jj)=0.; |
---|
245 | } |
---|
246 | for(ji=0;ji<NX;ji++){ |
---|
247 | G_gcx0(ji,0)=0.;G_gcx0(ji,NY-1)=0.; |
---|
248 | } |
---|
249 | |
---|
250 | |
---|
251 | } |
---|
252 | for(jj=1;jj<NY-1;jj++) |
---|
253 | for(ji=1;ji<NX-1;ji++){ |
---|
254 | YG_gcx_dynspg_flt(0,ji,jj,Yt)+=G_gcx(ji,jj); |
---|
255 | } |
---|
256 | |
---|
257 | |
---|
258 | |
---|
259 | } |
---|
260 | } |
---|
261 | |
---|
262 | } |
---|
263 | else if(Ycurward==LINWARD){ |
---|
264 | if(Yt==TU) |
---|
265 | return; |
---|
266 | else{ |
---|
267 | if(Yi==0){ |
---|
268 | int t,jn,jj,ji, ishift; |
---|
269 | if(Yt==TU+1 && neuler==0) |
---|
270 | t=0; |
---|
271 | else |
---|
272 | t=1; |
---|
273 | //--------------------- |
---|
274 | //initialisation de gcx |
---|
275 | for(jj=0;jj<NY;jj++) |
---|
276 | for(ji=0;ji<NX;ji++){ |
---|
277 | Ytb_gcx(ji,jj)=YG_gcx_dynspg_flt(0,ji,jj,Yt); |
---|
278 | } |
---|
279 | //--------------------- |
---|
280 | //boundarie conditions -- ceci doit etre a l'interieur de loop nmax mais cas special |
---|
281 | for(jj=0;jj<NY;jj++){// ! East-West boundaries |
---|
282 | Ytb_gcx(0,jj)=0.;Ytb_gcx(NX-1,jj)=0.; |
---|
283 | } |
---|
284 | for(ji=0;ji<NX;ji++){// ! North-South boundaries |
---|
285 | Ytb_gcx(ji,0)=0.;Ytb_gcx(ji,NY-1)=0.; |
---|
286 | } |
---|
287 | |
---|
288 | double Ytb_ztmp; |
---|
289 | //--------------------- |
---|
290 | //boucle |
---|
291 | //xsolmat_init(); |
---|
292 | // printf("LIN=======tniter(%d)=%d\n",Yt,tniter[Yt]); |
---|
293 | for(jn=1;jn<=tniter[Yt];jn++){ |
---|
294 | // cas special ! applied the lateral boundary conditions |
---|
295 | // CALL lbc_lnk_e( gcx, c_solver_pt, 1. ) ; //c_solver_pt='T' |
---|
296 | // ! Residus |
---|
297 | // ! Guess black update |
---|
298 | |
---|
299 | for(jj=1;jj<NY-1;jj++){ |
---|
300 | ishift = jj%2;//MOD( jj, 2 ); |
---|
301 | for(ji=1+ishift;ji<NX-1;ji+=2){ |
---|
302 | Ytb_ztmp = YG_gcb_dynspg_flt(0,ji,jj,Yt) |
---|
303 | - gcp(ji,jj,0,t) * Ytb_gcx(ji ,jj-1) |
---|
304 | - gcp(ji,jj,1,t) * Ytb_gcx(ji-1,jj ) |
---|
305 | - gcp(ji,jj,2,t) * Ytb_gcx(ji+1,jj ) |
---|
306 | - gcp(ji,jj,3,t) * Ytb_gcx(ji ,jj+1); |
---|
307 | // ! Guess update |
---|
308 | Ytb_gcx(ji,jj) = sor * Ytb_ztmp + (1.-sor) * Ytb_gcx(ji,jj); |
---|
309 | } |
---|
310 | } |
---|
311 | |
---|
312 | //cas special ! applied the lateral boundary conditions |
---|
313 | // CALL lbc_lnk_e( gcx, c_solver_pt, 1. ) ; |
---|
314 | |
---|
315 | // ! Guess red update |
---|
316 | for(jj=1;jj<NY-1;jj++){ |
---|
317 | ishift = (jj-1)%2; |
---|
318 | for(ji=1+ishift;ji<NX-1;ji+=2){ |
---|
319 | Ytb_ztmp = YG_gcb_dynspg_flt(0,ji,jj,Yt) |
---|
320 | - gcp(ji,jj,0,t) * Ytb_gcx(ji ,jj-1) |
---|
321 | - gcp(ji,jj,1,t) * Ytb_gcx(ji-1,jj ) |
---|
322 | - gcp(ji,jj,2,t) * Ytb_gcx(ji+1,jj ) |
---|
323 | - gcp(ji,jj,3,t) * Ytb_gcx(ji ,jj+1); |
---|
324 | // ! Guess update |
---|
325 | Ytb_gcx(ji,jj) = sor * Ytb_ztmp + (1.-sor) * Ytb_gcx(ji,jj); |
---|
326 | } |
---|
327 | } |
---|
328 | |
---|
329 | } |
---|
330 | for(ji=1;ji<NX-1;ji++) |
---|
331 | for(jj=1;jj<NY-1;jj++) |
---|
332 | YG_gcx2(0,ji,jj,Yt)=Ytb_gcx(ji,jj); |
---|
333 | } |
---|
334 | } |
---|
335 | // |
---|
336 | return; |
---|
337 | } |
---|
338 | // |
---|
339 | } |
---|
340 | |
---|
341 | //=========================================================================== |
---|
342 | //********************** FIN DU MODULE solsor_dynspg_flt ***************** |
---|