/[MITgcm]/MITgcm_contrib/dgoldberg/streamice/streamice_vel_solve.F
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revision 1.2 by heimbach, Wed May 2 02:36:01 2012 UTC revision 1.8 by dgoldberg, Tue Sep 18 17:06:48 2012 UTC
# Line 43  C     LOCAL VARIABLES Line 43  C     LOCAL VARIABLES
43        INTEGER conv_flag, i, j, k, l, iter, cg_iters, bi, bj        INTEGER conv_flag, i, j, k, l, iter, cg_iters, bi, bj
44        INTEGER iter_numconv        INTEGER iter_numconv
45        INTEGER ikey_nl        INTEGER ikey_nl
46        _RL err_max, err_tempu, err_tempv, err_init, area        _RL err_max, err_tempu, err_tempv, err_init, area, err_max_fp
47        _RL max_vel, tempu, tempv, err_lastchange, cgtol        _RL max_vel, tempu, tempv, err_lastchange, cgtol
48        CHARACTER*(MAX_LEN_MBUF) msgBuf        CHARACTER*(MAX_LEN_MBUF) msgBuf
49  !       _RL taudx (1-OLx:sNx+OLx,1-OLy:sNy+Oly,nSx,nSy)  !       _RL taudx (1-OLx:sNx+OLx,1-OLy:sNy+Oly,nSx,nSy)
# Line 74  C     LOCAL VARIABLES Line 74  C     LOCAL VARIABLES
74  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
75  !$TAF STORE U_streamice = comlev1, key=ikey_dynamics  !$TAF STORE U_streamice = comlev1, key=ikey_dynamics
76  !$TAF STORE V_streamice = comlev1, key=ikey_dynamics  !$TAF STORE V_streamice = comlev1, key=ikey_dynamics
77    #ifdef STREAMICE_HYBRID_STRESS
78    !$TAF STORE streamice_taubx = comlev1_stream_nl, key=ikey_nl
79    !$TAF STORE streamice_tauby = comlev1_stream_nl, key=ikey_nl
80    !$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl
81    #endif
82  #endif  #endif
83    
84        CALL STREAMICE_VISC_BETA ( myThid )  #ifdef STREAMICE_HYBRID_STRESS
85           CALL STREAMICE_VISC_BETA_HYBRID ( myThid )
86    #else
87           CALL STREAMICE_VISC_BETA ( myThid )
88    #endif
89    
90    #ifdef STREAMICE_HYBRID_STRESS
91    !$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl
92    #endif
93    
94        _EXCH_XY_RL ( tau_beta_eff_streamice , myThid )        _EXCH_XY_RL ( tau_beta_eff_streamice , myThid )
95        _EXCH_XY_RL ( visc_streamice , myThid )        _EXCH_XY_RL ( visc_streamice , myThid )
# Line 94  C     LOCAL VARIABLES Line 107  C     LOCAL VARIABLES
107         ENDDO         ENDDO
108        ENDDO        ENDDO
109    
110    
111        CALL STREAMICE_CG_BOUND_VALS( myThid,            CALL STREAMICE_CG_BOUND_VALS( myThid,    
112       O    ubd_SI,       O    ubd_SI,
113       O    vbd_SI)       O    vbd_SI)
# Line 125  C     LOCAL VARIABLES Line 139  C     LOCAL VARIABLES
139             err_tempu =             err_tempu =
140       &      ABS (Au_SI(i,j,bi,bj)+ubd_SI(i,j,bi,bj) -       &      ABS (Au_SI(i,j,bi,bj)+ubd_SI(i,j,bi,bj) -
141       &           taudx_SI(i,j,bi,bj))       &           taudx_SI(i,j,bi,bj))
142    !            print *, "err_temp_u", err_tempu
143            ENDIF            ENDIF
144            IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN            IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN
145             err_tempv = MAX( err_tempu,             err_tempv = MAX( err_tempu,
# Line 142  C     LOCAL VARIABLES Line 157  C     LOCAL VARIABLES
157    
158        CALL GLOBAL_MAX_R8 (err_init, myThid)        CALL GLOBAL_MAX_R8 (err_init, myThid)
159    
160          WRITE(msgBuf,'(A,E15.7)') 'initial nonlinear resid (error): ',
161         &                       err_init
162          CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
163         &                    SQUEEZE_RIGHT , 1)
164    
165    
166        iter_numconv = 0        iter_numconv = 0
167        err_max = err_init        err_max = err_init
168          err_max_fp = streamice_nonlin_tol_fp * 10.
169        err_lastchange = err_init        err_lastchange = err_init
170    
171  C START NL ITER. LOOP  C START NL ITER. LOOP
# Line 160  C       but after convergence loop does Line 182  C       but after convergence loop does
182  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
183  !$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl  !$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl
184  !$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl  !$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl
185    !$TAF STORE err_max_fp = comlev1_stream_nl, key=ikey_nl
186  !$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl  !$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl
187  !$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl  !$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl
188  !$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl  !$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl
189  !$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl  !$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl
190  !$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl  !$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl
191    !$TAF STORE u_old_si = comlev1_stream_nl, key=ikey_nl
192    !$TAF STORE v_old_si = comlev1_stream_nl, key=ikey_nl
193  !$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl  !$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl
194  !$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl  !$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl
195  !$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl  !$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl
# Line 177  C       but after convergence loop does Line 202  C       but after convergence loop does
202  !$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl  !$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl
203  #endif  #endif
204    
205         IF (err_max .GT. streamice_nonlin_tol * err_init) THEN         IF ((err_max .GT. streamice_nonlin_tol * err_init) .and.
206         &     (err_max_fp .GT. streamice_nonlin_tol_fp)) THEN
207    
208         iter_numconv = iter_numconv + 1         iter_numconv = iter_numconv + 1
209    
# Line 201  C       but after convergence loop does Line 227  C       but after convergence loop does
227  !$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl  !$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl
228  #endif  #endif
229    
230         CALL STREAMICE_CG_SOLVE(  #ifdef ALLOW_AUTODIFF_TAMC
231       &  U_streamice,  !       DO bj = myByLo(myThid), myByHi(myThid)
232       &  V_streamice,  !        DO bi = myBxLo(myThid), myBxHi(myThid)
233       &  taudx_SI,  !         DO j=1-OLy,sNy+OLy
234       &  taudy_SI,  !          DO i=1-OLx,sNx+OLx
235       &  cgtol,  !           U_streamice (i,j,bi,bj) = 0. _d 0
236       &  cg_iters,  !           V_streamice (i,j,bi,bj) = 0. _d 0
237       &  myThid )  !          ENDDO
238    !         ENDDO
239    !        ENDDO
240    !       ENDDO
241    #endif
242    
243           CALL STREAMICE_CG_WRAPPER(
244         &       U_streamice,
245         &       V_streamice,
246         &       taudx_SI,
247         &       taudy_SI,
248         &       cgtol,
249         &       cg_iters,
250         &       myThid )
251    
252          #ifdef STREAMICE_HYBRID_STRESS
253    #ifdef ALLOW_AUTODIFF_TAMC
254    !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl
255    !$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl
256    #endif
257    #endif
258    
259    #ifdef STREAMICE_HYBRID_STRESS
260            CALL STREAMICE_TAUB (myThid)
261    #endif
262    
263         WRITE(msgBuf,'(A,I5,A,I4,A)') 'streamice linear solve number',         WRITE(msgBuf,'(A,I5,A,I4,A)') 'streamice linear solve number',
264       &                       iter, " ",       &                       iter, " ",
# Line 222  C       but after convergence loop does Line 270  C       but after convergence loop does
270  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
271  !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl  !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl
272  !$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl  !$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl
273    #ifdef STREAMICE_HYBRID_STRESS
274    !$TAF STORE streamice_taubx = comlev1_stream_nl, key=ikey_nl
275    !$TAF STORE streamice_tauby = comlev1_stream_nl, key=ikey_nl
276    !$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl
277    #endif
278  #endif  #endif
279    
280    #ifdef STREAMICE_HYBRID_STRESS
281           CALL STREAMICE_VISC_BETA_HYBRID ( myThid )
282    #else
283         CALL STREAMICE_VISC_BETA ( myThid )         CALL STREAMICE_VISC_BETA ( myThid )
284    #endif
285    
286    
287  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
288  !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl  !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl
# Line 269  C       but after convergence loop does Line 327  C       but after convergence loop does
327  #endif  #endif
328    
329         err_max = 0. _d 0         err_max = 0. _d 0
330           err_max_fp = 0. _d 0
331    
332  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
333  !$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl  !$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl
# Line 300  C       but after convergence loop does Line 359  C       but after convergence loop does
359    
360         CALL GLOBAL_MAX_R8 (err_max, myThid)         CALL GLOBAL_MAX_R8 (err_max, myThid)
361    
362         WRITE(msgBuf,'(A,F11.7)') 'err/err_init',         DO bj = myByLo(myThid), myByHi(myThid)
363            DO bi = myBxLo(myThid), myBxHi(myThid)
364             DO j=1,sNy
365              DO i=1,sNx
366               err_tempu = 0. _d 0
367               err_tempv = 0. _d 0
368               IF (STREAMICE_umask(i,j,bi,bj).eq.1) THEN
369                err_tempu =
370         &       ABS (U_streamice(i,j,bi,bj)-u_old_SI(i,j,bi,bj))
371               ENDIF
372               IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN
373                err_tempv = MAX( err_tempu,
374         &       ABS (V_streamice(i,j,bi,bj)-v_old_SI(i,j,bi,bj)))
375               ENDIF
376               IF (err_tempv .ge. err_max_fp) err_max_fp = err_tempv
377              ENDDO
378             ENDDO
379            ENDDO
380           ENDDO
381    
382           CALL GLOBAL_MAX_R8 (err_max_fp, myThid)
383           WRITE(msgBuf,'(A,E15.7)') '||x_i-x_{i-1}||_inf',
384         &                       err_max_fp
385           CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
386         &                    SQUEEZE_RIGHT , 1)
387    
388           DO bj = myByLo(myThid), myByHi(myThid)
389            DO bi = myBxLo(myThid), myBxHi(myThid)
390             DO j=1-OLy,sNy+OLy
391              DO i=1-OLx,sNx+OLx
392               u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj)
393               v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj)
394              ENDDO
395             ENDDO
396            ENDDO
397           ENDDO
398    
399           WRITE(msgBuf,'(A,E15.7)') 'err/err_init',
400       &                       err_max/err_init       &                       err_max/err_init
401         CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,         CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
402       &                    SQUEEZE_RIGHT , 1)       &                    SQUEEZE_RIGHT , 1)
# Line 309  C       but after convergence loop does Line 405  C       but after convergence loop does
405       &   STREAMICE_lower_cg_tol) THEN       &   STREAMICE_lower_cg_tol) THEN
406           cgtol = cgtol * 5.e-2           cgtol = cgtol * 5.e-2
407           err_lastchange = err_max           err_lastchange = err_max
408           WRITE(msgBuf,'(A,F11.7)') 'new cg tol: ',           WRITE(msgBuf,'(A,E15.7)') 'new cg tol: ',
409       &                       cgtol       &                       cgtol
410           CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,           CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
411       &                    SQUEEZE_RIGHT , 1)       &                    SQUEEZE_RIGHT , 1)
412         ENDIF         ENDIF
413    
414    
415         ENDIF ! (err_max .GT. streamice_nonlin_tol * err_init)         ENDIF ! (err_max .GT. streamice_nonlin_tol * err_init)
416        ENDDO        ENDDO
417    
# Line 322  C END NL ITER. LOOP Line 419  C END NL ITER. LOOP
419  C-------------------------------------------------------------------  C-------------------------------------------------------------------
420    
421        if (iter_numconv .lt. streamice_max_nl_iter) then        if (iter_numconv .lt. streamice_max_nl_iter) then
422         PRINT *, "VELOCITY SOLVE CONVERGED, ", iter_numconv,         WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE CONVERGED, ',
423       & " iterations"       &         iter_numconv, ' iterations'
424           CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
425         &                     SQUEEZE_RIGHT , 1)
426        else        else
427         PRINT *, "VELOCITY SOLVE DID NOT CONVERGE IN ",         WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE NOT CONVERGED IN ',
428       & iter, " iterations"       &         iter_numconv, ' iterations'
429           CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
430         &                     SQUEEZE_RIGHT , 1)
431        endif        endif
432    
433        _EXCH_XY_RL (U_streamice, myThid)        _EXCH_XY_RL (U_streamice, myThid)
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