7 |
|
|
8 |
CBOP |
CBOP |
9 |
SUBROUTINE STREAMICE_CG_SOLVE( |
SUBROUTINE STREAMICE_CG_SOLVE( |
10 |
U cg_Uin, |
U cg_Uin, ! x-velocities |
11 |
U cg_Vin, |
U cg_Vin, ! y-velocities |
12 |
I cg_Bu, |
I cg_Bu, ! force in x dir |
13 |
I cg_Bv, |
I cg_Bv, ! force in y dir |
14 |
|
I A_uu, ! section of matrix that multiplies u and projects on u |
15 |
|
I A_uv, ! section of matrix that multiplies v and projects on u |
16 |
|
I A_vu, ! section of matrix that multiplies u and projects on v |
17 |
|
I A_vv, ! section of matrix that multiplies v and projects on v |
18 |
I tolerance, |
I tolerance, |
19 |
O iters, |
O iters, |
20 |
I myThid ) |
I myThid ) |
44 |
_RL cg_Vin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL cg_Vin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
45 |
_RL cg_Bu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL cg_Bu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
46 |
_RL cg_Bv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL cg_Bv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
47 |
|
_RL |
48 |
|
& A_uu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
49 |
|
& A_vu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
50 |
|
& A_uv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
51 |
|
& A_vv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1) |
52 |
|
|
53 |
C LOCAL VARIABLES |
C LOCAL VARIABLES |
54 |
INTEGER i, j, bi, bj, cg_halo, conv_flag |
INTEGER i, j, bi, bj, cg_halo, conv_flag |
55 |
INTEGER iter, is, js, ie, je, colx, coly, k |
INTEGER iter, is, js, ie, je, colx, coly, k |
56 |
_RL dot_p1, dot_p2, resid_0, alpha_k, beta_k, resid |
_RL dot_p1, dot_p2, alpha_k, beta_k, resid, resid_0 |
57 |
_RL dot_p1_tile (nSx,nSy) |
_RL dot_p1_tile (nSx,nSy) |
58 |
_RL dot_p2_tile (nSx,nSy) |
_RL dot_p2_tile (nSx,nSy) |
59 |
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|
61 |
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62 |
#ifdef ALLOW_STREAMICE |
#ifdef ALLOW_STREAMICE |
63 |
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64 |
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|
65 |
conv_flag = 0 |
conv_flag = 0 |
66 |
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67 |
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|
68 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
69 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
70 |
DO j=1,sNy |
DO j=1,sNy |
71 |
DO i=1,sNx |
DO i=1,sNx |
72 |
Zu_SI (i,j,bi,bj) = 0. _d 0 |
Zu_SI (i,j,bi,bj) = 0. _d 0 |
73 |
Zv_SI (i,j,bi,bj) = 0. _d 0 |
Zv_SI (i,j,bi,bj) = 0. _d 0 |
|
DIAGu_SI (i,j,bi,bj) = 0. _d 0 |
|
|
DIAGv_SI (i,j,bi,bj) = 0. _d 0 |
|
74 |
Ru_SI (i,j,bi,bj) = 0. _d 0 |
Ru_SI (i,j,bi,bj) = 0. _d 0 |
75 |
Rv_SI (i,j,bi,bj) = 0. _d 0 |
Rv_SI (i,j,bi,bj) = 0. _d 0 |
76 |
Au_SI (i,j,bi,bj) = 0. _d 0 |
Au_SI (i,j,bi,bj) = 0. _d 0 |
77 |
Av_SI (i,j,bi,bj) = 0. _d 0 |
Av_SI (i,j,bi,bj) = 0. _d 0 |
78 |
Du_SI (i,j,bi,bj) = 0. _d 0 |
Du_SI (i,j,bi,bj) = 0. _d 0 |
79 |
Dv_SI (i,j,bi,bj) = 0. _d 0 |
Dv_SI (i,j,bi,bj) = 0. _d 0 |
|
ubd_SI (i,j,bi,bj) = 0. _d 0 |
|
|
vbd_SI (i,j,bi,bj) = 0. _d 0 |
|
80 |
ENDDO |
ENDDO |
81 |
ENDDO |
ENDDO |
82 |
ENDDO |
ENDDO |
83 |
ENDDO |
ENDDO |
84 |
|
|
85 |
|
C FIND INITIAL RESIDUAL, and initialize r |
86 |
|
|
87 |
C PREAMBLE: get bdry contribution, find matrix diagonal, |
! #ifdef STREAMICE_CONSTRUCT_MATRIX |
|
C initialize iterates R (residual), Z, and D |
|
88 |
|
|
89 |
CALL STREAMICE_CG_BOUND_VALS( myThid, |
|
|
O ubd_SI, |
|
|
O vbd_SI) |
|
90 |
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|
91 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
92 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
93 |
DO j=1-OLy,sNy+OLy |
DO j=1,sNy |
94 |
DO i=1-OLx,sNx+OLx |
DO i=1,sNx |
95 |
RHSu_SI (i,j,bi,bj) = cg_Bu(i,j,bi,bj) |
DO colx=-1,1 |
96 |
& - ubd_SI(i,j,bi,bj) |
DO coly=-1,1 |
97 |
RHSv_SI (i,j,bi,bj) = cg_Bv(i,j,bi,bj) |
Au_SI(i,j,bi,bj) = Au_SI(i,j,bi,bj) + |
98 |
& - vbd_SI(i,j,bi,bj) |
& A_uu(i,j,bi,bj,colx,coly)* |
99 |
ENDDO |
& cg_Uin(i+colx,j+coly,bi,bj)+ |
100 |
ENDDO |
& A_uv(i,j,bi,bj,colx,coly)* |
101 |
ENDDO |
& cg_Vin(i+colx,j+coly,bi,bj) |
|
ENDDO |
|
|
|
|
|
_EXCH_XY_RL( RHSu_SI, myThid ) |
|
|
_EXCH_XY_RL( RHSv_SI, myThid ) |
|
102 |
|
|
|
CALL STREAMICE_CG_ADIAG( myThid, |
|
|
O DIAGu_SI, |
|
|
O DIAGv_SI) |
|
103 |
|
|
104 |
_EXCH_XY_RL( DIAGu_SI, myThid ) |
Av_SI(i,j,bi,bj) = Av_SI(i,j,bi,bj) + |
105 |
_EXCH_XY_RL( DIAGv_SI, myThid ) |
& A_vu(i,j,bi,bj,colx,coly)* |
106 |
|
& cg_Uin(i+colx,j+coly,bi,bj)+ |
107 |
C FIX PROBLEM WITH PRECOND LATER |
& A_vv(i,j,bi,bj,colx,coly)* |
108 |
|
& cg_Vin(i+colx,j+coly,bi,bj) |
109 |
! DO bj = myByLo(myThid), myByHi(myThid) |
ENDDO |
110 |
! DO bi = myBxLo(myThid), myBxHi(myThid) |
ENDDO |
111 |
! DO j=1-OLy,sNy+OLy |
ENDDO |
112 |
! DO i=1-OLx,sNx+OLx |
ENDDO |
113 |
! DIAGu_SI(i,j,bi,bj)=1.0 |
ENDDO |
114 |
! DIAGv_SI(i,j,bi,bj)=1.0 |
ENDDO |
|
! ENDDO |
|
|
! ENDDO |
|
|
! ENDDO |
|
|
! ENDDO |
|
|
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|
|
CALL STREAMICE_CG_ACTION( myThid, |
|
|
O Au_SI, |
|
|
O Av_SI, |
|
|
I cg_Uin, |
|
|
I cg_Vin, |
|
|
I 0, sNx+1, 0, sNy+1 ) |
|
115 |
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116 |
|
|
117 |
_EXCH_XY_RL( Au_SI, myThid ) |
_EXCH_XY_RL( Au_SI, myThid ) |
118 |
_EXCH_XY_RL( Av_SI, myThid ) |
_EXCH_XY_RL( Av_SI, myThid ) |
119 |
|
|
120 |
|
|
121 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
122 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
123 |
DO j=1-OLy,sNy+OLy |
DO j=1-OLy,sNy+OLy |
124 |
DO i=1-OLx,sNx+OLx |
DO i=1-OLx,sNx+OLx |
125 |
Ru_SI(i,j,bi,bj)=RHSu_SI(i,j,bi,bj)- |
Ru_SI(i,j,bi,bj)=cg_Bu(i,j,bi,bj)- |
126 |
& Au_SI(i,j,bi,bj) |
& Au_SI(i,j,bi,bj) |
127 |
Rv_SI(i,j,bi,bj)=RHSv_SI(i,j,bi,bj)- |
Rv_SI(i,j,bi,bj)=cg_Bv(i,j,bi,bj)- |
128 |
& Av_SI(i,j,bi,bj) |
& Av_SI(i,j,bi,bj) |
129 |
ENDDO |
ENDDO |
130 |
ENDDO |
ENDDO |
133 |
ENDDO |
ENDDO |
134 |
ENDDO |
ENDDO |
135 |
|
|
136 |
|
|
137 |
|
|
138 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
139 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
140 |
DO j=1,sNy |
DO j=1,sNy |
151 |
CALL GLOBAL_SUM_TILE_RL( dot_p1_tile, dot_p1, myThid ) |
CALL GLOBAL_SUM_TILE_RL( dot_p1_tile, dot_p1, myThid ) |
152 |
resid_0 = sqrt(dot_p1) |
resid_0 = sqrt(dot_p1) |
153 |
|
|
154 |
|
C CCCCCCCCCCCCCCCCCCCC |
155 |
|
|
156 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
157 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
158 |
DO j=1-OLy,sNy+OLy |
DO j=1-OLy,sNy+OLy |
166 |
ENDDO |
ENDDO |
167 |
ENDDO |
ENDDO |
168 |
|
|
|
|
|
169 |
cg_halo = min(OLx-1,OLy-1) |
cg_halo = min(OLx-1,OLy-1) |
170 |
conv_flag = 0 |
conv_flag = 0 |
171 |
|
|
188 |
c !! MAIN CG LOOP !! |
c !! MAIN CG LOOP !! |
189 |
c !! !! |
c !! !! |
190 |
c !!!!!!!!!!!!!!!!!! |
c !!!!!!!!!!!!!!!!!! |
191 |
|
|
192 |
|
|
193 |
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|
194 |
|
|
195 |
c ! initially, b-grid data is valid up to 3 halo nodes out -- right? (check for MITgcm!!) |
c ! initially, b-grid data is valid up to 3 halo nodes out -- right? (check for MITgcm!!) |
196 |
|
|
197 |
print *, "BEGINNING MAIN CG LOOP" |
print *, "BEGINNING MAIN CG LOOP" |
198 |
|
|
199 |
! IF(STREAMICE_construct_matrix) CALL STREAMICE_CG_MAKE_A(myThid) |
! IF(STREAMICE_construct_matrix) CALL STREAMICE_CG_MAKE_A(myThid) |
|
#ifdef STREAMICE_CONSTRUCT_MATRIX |
|
|
|
|
|
CALL STREAMICE_CG_MAKE_A(myThid) |
|
200 |
|
|
|
#endif |
|
201 |
|
|
202 |
do iter = 1, streamice_max_cg_iter |
do iter = 1, streamice_max_cg_iter |
203 |
if (resid .gt. tolerance*resid_0) then |
if (resid .gt. tolerance*resid_0) then |
216 |
DO i=1-OLx,sNx+OLx |
DO i=1-OLx,sNx+OLx |
217 |
Au_SI(i,j,bi,bj) = 0. _d 0 |
Au_SI(i,j,bi,bj) = 0. _d 0 |
218 |
Av_SI(i,j,bi,bj) = 0. _d 0 |
Av_SI(i,j,bi,bj) = 0. _d 0 |
|
! Du_SI(i,j,bi,bj) = Real(i) |
|
|
! Dv_SI(i,j,bi,bj) = 0.0 |
|
219 |
ENDDO |
ENDDO |
220 |
ENDDO |
ENDDO |
221 |
ENDDO |
ENDDO |
223 |
|
|
224 |
! IF (STREAMICE_construct_matrix) THEN |
! IF (STREAMICE_construct_matrix) THEN |
225 |
|
|
226 |
#ifdef STREAMICE_CONSTRUCT_MATRIX |
! #ifdef STREAMICE_CONSTRUCT_MATRIX |
227 |
|
|
228 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
229 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
232 |
DO colx=-1,1 |
DO colx=-1,1 |
233 |
DO coly=-1,1 |
DO coly=-1,1 |
234 |
Au_SI(i,j,bi,bj) = Au_SI(i,j,bi,bj) + |
Au_SI(i,j,bi,bj) = Au_SI(i,j,bi,bj) + |
235 |
& streamice_cg_A1(i,j,bi,bj,colx,coly)* |
& A_uu(i,j,bi,bj,colx,coly)* |
236 |
& Du_SI(i+colx,j+coly,bi,bj)+ |
& Du_SI(i+colx,j+coly,bi,bj)+ |
237 |
& streamice_cg_A2(i,j,bi,bj,colx,coly)* |
& A_uv(i,j,bi,bj,colx,coly)* |
238 |
& Dv_SI(i+colx,j+coly,bi,bj) |
& Dv_SI(i+colx,j+coly,bi,bj) |
239 |
Av_SI(i,j,bi,bj) = Av_SI(i,j,bi,bj) + |
Av_SI(i,j,bi,bj) = Av_SI(i,j,bi,bj) + |
240 |
& streamice_cg_A3(i,j,bi,bj,colx,coly)* |
& A_vu(i,j,bi,bj,colx,coly)* |
241 |
& Du_SI(i+colx,j+coly,bi,bj)+ |
& Du_SI(i+colx,j+coly,bi,bj)+ |
242 |
& streamice_cg_A4(i,j,bi,bj,colx,coly)* |
& A_vv(i,j,bi,bj,colx,coly)* |
243 |
& Dv_SI(i+colx,j+coly,bi,bj) |
& Dv_SI(i+colx,j+coly,bi,bj) |
244 |
ENDDO |
ENDDO |
245 |
ENDDO |
ENDDO |
249 |
ENDDO |
ENDDO |
250 |
|
|
251 |
! else |
! else |
252 |
#else |
! #else |
253 |
|
! |
254 |
CALL STREAMICE_CG_ACTION( myThid, |
! CALL STREAMICE_CG_ACTION( myThid, |
255 |
O Au_SI, |
! O Au_SI, |
256 |
O Av_SI, |
! O Av_SI, |
257 |
I Du_SI, |
! I Du_SI, |
258 |
I Dv_SI, |
! I Dv_SI, |
259 |
I is,ie,js,je) |
! I is,ie,js,je) |
260 |
|
! |
261 |
! ENDIF |
! ! ENDIF |
262 |
|
! |
263 |
#endif |
! #endif |
264 |
|
|
|
! ! if (iter.eq.1) then |
|
|
! ! CALL WRITE_FLD_XY_RL ("Au2","",Au_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL ("Av2","",Av_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL ("Du","",Du_SI,0,myThid) |
|
|
! ! |
|
|
! ! CALL WRITE_FLD_XY_RL("Dv","",Au_SI,0,myThid) |
|
|
! ! |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagU1","",Diagu_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagV1","",Diagv_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagU2","", |
|
|
! ! & streamice_cg_A1(i,j,bi,bj,0,0),0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagV2","", |
|
|
! ! & streamice_cg_A4(i,j,bi,bj,0,0),0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagV2","",Diagv_SI,0,myThid) |
|
|
! ! |
|
|
! ! endif |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
! ! if (iter.eq.1) then |
|
|
! ! CALL WRITE_FLD_XY_RL ("Au1","",Au_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL ("Av1","",Av_SI,0,myThid) |
|
|
! ! |
|
|
! ! endif |
|
|
|
|
|
|
|
265 |
|
|
266 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
267 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
416 |
_EXCH_XY_RL( cg_Vin, myThid ) |
_EXCH_XY_RL( cg_Vin, myThid ) |
417 |
endif |
endif |
418 |
|
|
419 |
|
|
420 |
endif |
endif |
421 |
enddo ! end of CG loop |
enddo ! end of CG loop |
422 |
|
|
427 |
conv_flag = 1 |
conv_flag = 1 |
428 |
ENDIF |
ENDIF |
429 |
|
|
430 |
DO bj = myByLo(myThid), myByHi(myThid) |
! DO bj = myByLo(myThid), myByHi(myThid) |
431 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
! DO bi = myBxLo(myThid), myBxHi(myThid) |
432 |
DO j=1-OLy,sNy+OLy |
! DO j=1-OLy,sNy+OLy |
433 |
DO i=1-OLy,sNx+OLy |
! DO i=1-OLy,sNx+OLy |
434 |
IF (STREAMICE_umask(i,j,bi,bj).eq.3.0) |
! IF (STREAMICE_umask(i,j,bi,bj).eq.3.0) |
435 |
& cg_Uin(i,j,bi,bj)=u_bdry_values_SI(i,j,bi,bj) |
! & cg_Uin(i,j,bi,bj)=u_bdry_values_SI(i,j,bi,bj) |
436 |
IF (STREAMICE_vmask(i,j,bi,bj).eq.3.0) |
! IF (STREAMICE_vmask(i,j,bi,bj).eq.3.0) |
437 |
& cg_Vin(i,j,bi,bj)=v_bdry_values_SI(i,j,bi,bj) |
! & cg_Vin(i,j,bi,bj)=v_bdry_values_SI(i,j,bi,bj) |
438 |
ENDDO |
! ENDDO |
439 |
ENDDO |
! ENDDO |
440 |
ENDDO |
! ENDDO |
441 |
ENDDO |
! ENDDO |
442 |
|
! |
443 |
_EXCH_XY_RL( cg_Uin, myThid ) |
! _EXCH_XY_RL( cg_Uin, myThid ) |
444 |
_EXCH_XY_RL( cg_Vin, myThid ) |
! _EXCH_XY_RL( cg_Vin, myThid ) |
445 |
|
|
446 |
#endif |
#endif |
447 |
RETURN |
RETURN |