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Revision 1.6 - (hide annotations) (download)
Wed Aug 27 19:29:12 2014 UTC (10 years, 10 months ago) by dgoldberg
Branch: MAIN
CVS Tags: HEAD
Changes since 1.5: +48 -54 lines
updating contrib streamice repo with latest files, and separated out convergence checks; and parameterised maximum iteration counts and interface w shelfice for coupling

1 dgoldberg 1.6 C $Header: /u/gcmpack/MITgcm/pkg/streamice/adstreamice_cg_solve.F,v 1.4 2013/08/22 22:56:18 jmc Exp $
2 dgoldberg 1.1 C $Name: $
3    
4     #include "STREAMICE_OPTIONS.h"
5    
6     C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
7    
8     CBOP
9 dgoldberg 1.6 SUBROUTINE ADSTREAMICE_CG_SOLVE(
10     U U_state, ! velocities - need to be recalc ed
11 dgoldberg 1.1 I cg_Bu, ! adjoint of vel (input)
12 dgoldberg 1.6 U V_state, ! velocities - need to be recalc ed
13 dgoldberg 1.1 I cg_Bv, ! adjoint of vel (input)
14     I Bu_state, ! to recalc velocities
15     U cg_Uin, ! adjoint of RHS (output)
16     I Bv_state, ! to recalc velocities
17     U cg_Vin, ! adjoint of RHS (output)
18     I A_uu, ! section of matrix that multiplies u and projects on u
19     U adA_uu, ! adjoint of matrix coeffs (output)
20     I A_uv, ! section of matrix that multiplies v and projects on u
21     U adA_uv, ! adjoint of matrix coeffs (output)
22     I A_vu, ! section of matrix that multiplies u and projects on v
23     U adA_vu, ! adjoint of matrix coeffs (output)
24     I A_vv, ! section of matrix that multiplies v and projects on v
25     U adA_vv, ! adjoint of matrix coeffs (output)
26 dgoldberg 1.6 I tolerance,
27     I maxiters,
28 dgoldberg 1.1 I myThid )
29 dgoldberg 1.6 C *============================================================*
30     C | SUBROUTINE |
31 dgoldberg 1.1 C | o |
32 dgoldberg 1.6 C *============================================================*
33    
34     C !USES:
35 dgoldberg 1.1 IMPLICIT NONE
36    
37     C === Global variables ===
38     #include "SIZE.h"
39     #include "EEPARAMS.h"
40     #include "PARAMS.h"
41     #include "STREAMICE.h"
42     #include "STREAMICE_CG.h"
43    
44     C !INPUT/OUTPUT ARGUMENTS
45     C cg_Uin, cg_Vin - input and output velocities
46     C cg_Bu, cg_Bv - driving stress
47     _RL cg_Uin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
48     _RL cg_Vin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
49     _RL cg_Bu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
50     _RL cg_Bv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
51     _RL U_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
52     _RL V_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
53     _RL Bu_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
54     _RL Bv_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
55 dgoldberg 1.6 _RL
56 dgoldberg 1.1 & A_uu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1),
57     & A_vu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1),
58     & A_uv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1),
59     & A_vv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1),
60     & adA_uu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1),
61     & adA_vu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1),
62     & adA_uv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1),
63     & adA_vv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1)
64     _RL tolerance
65 dgoldberg 1.6 INTEGER maxiters
66 dgoldberg 1.1 INTEGER myThid
67    
68 dgoldberg 1.6 C !LOCAL VARIABLES
69 dgoldberg 1.1 INTEGER i, j, bi, bj, cg_halo, conv_flag, tmpiter
70     INTEGER iter, is, js, ie, je, colx, coly, k
71     _RL Utemp (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
72     _RL Vtemp (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
73     _RL UtempSt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
74     _RL VtempSt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
75     _RL dot_p1, dot_p2, alpha_k, beta_k, resid, resid_0
76     _RL dot_p1_tile (nSx,nSy)
77     _RL dot_p2_tile (nSx,nSy)
78     _RL ad_tolerance
79 dgoldberg 1.3 CHARACTER*(MAX_LEN_MBUF) msgBuf
80 dgoldberg 1.6 CEOP
81 dgoldberg 1.1
82     ! iters = streamice_max_cg_iter
83    
84     #ifdef ALLOW_STREAMICE
85    
86 dgoldberg 1.3 WRITE(msgBuf,'(A)') 'CALLING MANUAL CG ADJOINT'
87     CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
88     & SQUEEZE_RIGHT , 1)
89 dgoldberg 1.6
90     print *, "GOT HERE mythid=", mythid, tolerance
91 dgoldberg 1.1
92     conv_flag = 0
93     ad_tolerance = 1.e-14
94    
95     DO bj = myByLo(myThid), myByHi(myThid)
96     DO bi = myBxLo(myThid), myBxHi(myThid)
97 dgoldberg 1.6 DO j=1-OLy,sNy+OLy
98     DO i=1-OLx,sNx+OLx
99 dgoldberg 1.1 Utemp (i,j,bi,bj) =
100     & cg_Uin (i,j,bi,bj)
101     Vtemp (i,j,bi,bj) =
102     & cg_Vin (i,j,bi,bj)
103     UtempSt (i,j,bi,bj) =
104     & U_state (i,j,bi,bj)
105     VtempSt (i,j,bi,bj) =
106     & V_state (i,j,bi,bj)
107     ENDDO
108     ENDDO
109     ENDDO
110     ENDDO
111    
112 dgoldberg 1.6 print *, "GOT HERE 2 mythid=", mythid, tolerance
113 dgoldberg 1.2
114 dgoldberg 1.6 CALL STREAMICE_CG_SOLVE(
115 dgoldberg 1.1 & U_state,
116     & V_state,
117     & Bu_state,
118     & Bv_state,
119     & A_uu,
120     & A_uv,
121     & A_vu,
122 dgoldberg 1.6 & A_vv,
123     & tolerance,
124 dgoldberg 1.1 & tmpiter,
125 dgoldberg 1.6 & maxiters,
126 dgoldberg 1.1 & myThid )
127    
128 dgoldberg 1.6 print *, "GOT HERE 3 mythid=", mythid, tolerance
129    
130 dgoldberg 1.1 tmpiter = 0
131    
132 dgoldberg 1.2 _EXCH_XY_RL( cg_Bu, myThid )
133     _EXCH_XY_RL( cg_Bv, myThid )
134    
135 dgoldberg 1.6 CALL STREAMICE_CG_SOLVE(
136 dgoldberg 1.1 & cg_Uin,
137     & cg_Vin,
138     & cg_Bu,
139     & cg_Bv,
140     & A_uu,
141     & A_uv,
142     & A_vu,
143 dgoldberg 1.6 & A_vv,
144     & ad_tolerance,
145 dgoldberg 1.1 & tmpiter,
146 dgoldberg 1.6 & maxiters,
147 dgoldberg 1.1 & myThid )
148    
149 dgoldberg 1.6 print *, "GOT HERE 4 mythid=", mythid, tolerance
150    
151 dgoldberg 1.2 _EXCH_XY_RL( cg_Uin, myThid )
152 dgoldberg 1.6 _EXCH_XY_RL( cg_Vin, myThid )
153     _EXCH_XY_RL( U_state, myThid )
154     _EXCH_XY_RL( V_state, myThid )
155 dgoldberg 1.1
156     DO bj = myByLo(myThid), myByHi(myThid)
157     DO bi = myBxLo(myThid), myBxHi(myThid)
158 dgoldberg 1.6 DO j=1,sNy
159     DO i=1,sNx
160 dgoldberg 1.1 DO colx=-1,1
161     DO coly=-1,1
162    
163     if (STREAMICE_umask(i,j,bi,bj).eq.1) then
164     if (STREAMICE_umask(i+colx,j+coly,bi,bj).eq.1) then
165 dgoldberg 1.6 adA_uu(i,j,bi,bj,colx,coly) =
166     & adA_uu(i,j,bi,bj,colx,coly) -
167 dgoldberg 1.1 & cg_Uin(i,j,bi,bj) *
168     & U_state(i+colx,j+coly,bi,bj)
169 dgoldberg 1.5
170 dgoldberg 1.1 endif
171     if (STREAMICE_vmask(i+colx,j+coly,bi,bj).eq.1) then
172     adA_uv(i,j,bi,bj,colx,coly) =
173 dgoldberg 1.6 & adA_uv(i,j,bi,bj,colx,coly) -
174 dgoldberg 1.1 & cg_Uin(i,j,bi,bj) *
175     & V_state(i+colx,j+coly,bi,bj)
176     endif
177     endif
178    
179     if (STREAMICE_vmask(i,j,bi,bj).eq.1) then
180     if (STREAMICE_umask(i+colx,j+coly,bi,bj).eq.1) then
181     adA_vu(i,j,bi,bj,colx,coly) =
182 dgoldberg 1.6 & adA_vu(i,j,bi,bj,colx,coly) -
183 dgoldberg 1.1 & cg_Vin(i,j,bi,bj) *
184     & U_state(i+colx,j+coly,bi,bj)
185     endif
186     if (STREAMICE_vmask(i+colx,j+coly,bi,bj).eq.1) then
187     adA_vv(i,j,bi,bj,colx,coly) =
188 dgoldberg 1.6 & adA_vv(i,j,bi,bj,colx,coly) -
189 dgoldberg 1.1 & cg_Vin(i,j,bi,bj) *
190     & V_state(i+colx,j+coly,bi,bj)
191     endif
192     endif
193    
194     enddo
195     enddo
196     enddo
197     enddo
198     enddo
199     enddo
200    
201     DO bj = myByLo(myThid), myByHi(myThid)
202     DO bi = myBxLo(myThid), myBxHi(myThid)
203 dgoldberg 1.6 DO j=1-OLy,sNy+OLy
204     DO i=1-OLx,sNx+OLx
205 dgoldberg 1.1 if (i.lt.1.or.i.gt.sNx.or.
206     & j.lt.1.or.j.gt.sNy) then
207     cg_Uin (i,j,bi,bj) = 0.0
208     cg_Vin (i,j,bi,bj) = 0.0
209 dgoldberg 1.6
210 dgoldberg 1.1 DO colx=-1,1
211 dgoldberg 1.6 DO coly=-1,1
212 dgoldberg 1.1 ada_uu(i,j,bi,bj,colx,coly)=0.0
213     ada_uv(i,j,bi,bj,colx,coly)=0.0
214     ada_vu(i,j,bi,bj,colx,coly)=0.0
215     ada_vv(i,j,bi,bj,colx,coly)=0.0
216     enddo
217     enddo
218    
219     endif
220     cg_Uin (i,j,bi,bj) =
221 dgoldberg 1.6 & cg_Uin (i,j,bi,bj) +
222 dgoldberg 1.1 & Utemp (i,j,bi,bj)
223     cg_Vin (i,j,bi,bj) =
224 dgoldberg 1.6 & cg_Vin (i,j,bi,bj) +
225 dgoldberg 1.1 & Vtemp (i,j,bi,bj)
226     cg_bu (i,j,bi,bj) = 0.
227     cg_bv (i,j,bi,bj) = 0.
228     U_state (i,j,bi,bj) =
229     & UtempSt (i,j,bi,bj)
230     V_state (i,j,bi,bj) =
231     & VtempSt (i,j,bi,bj)
232     ENDDO
233     ENDDO
234     ENDDO
235     ENDDO
236    
237 dgoldberg 1.3 WRITE(msgBuf,'(A,I5,A)') 'DONE WITH MANUAL CG ADJOINT:',tmpiter,
238     & 'ITERS'
239     CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
240     & SQUEEZE_RIGHT , 1)
241 dgoldberg 1.1
242     #endif
243     RETURN
244     END
245    

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