/[MITgcm]/MITgcm/pkg/seaice/seaice_jfnk.F
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revision 1.5 by mlosch, Wed Nov 7 09:56:23 2012 UTC revision 1.11 by mlosch, Mon Dec 3 15:49:17 2012 UTC
# Line 74  C     parameters to compute convergence Line 74  C     parameters to compute convergence
74  C      C    
75        _RL     recip_deltaT        _RL     recip_deltaT
76        LOGICAL JFNKconverged, krylovConverged        LOGICAL JFNKconverged, krylovConverged
77          LOGICAL writeNow
78        CHARACTER*(MAX_LEN_MBUF) msgBuf        CHARACTER*(MAX_LEN_MBUF) msgBuf
79  C  C
80  C     u/vIceRes :: residual of sea-ice momentum equations  C     u/vIceRes :: residual of sea-ice momentum equations
# Line 86  C     precomputed (= constant per Newton Line 87  C     precomputed (= constant per Newton
87  C     zeta, eta, and DWATN, press  C     zeta, eta, and DWATN, press
88        _RL zetaPre (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RL zetaPre (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
89        _RL etaPre  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RL etaPre  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
90          _RL etaZPre (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
91        _RL dwatPre (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RL dwatPre (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
       _RL pressPre(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)  
92  CEOP  CEOP
93    
94  C     Initialise  C     Initialise
# Line 150  C     constant for the preconditioner Line 151  C     constant for the preconditioner
151          DO bi=myBxLo(myThid),myBxHi(myThid)          DO bi=myBxLo(myThid),myBxHi(myThid)
152           DO j=1-Oly,sNy+Oly           DO j=1-Oly,sNy+Oly
153            DO i=1-Olx,sNx+Olx            DO i=1-Olx,sNx+Olx
154              zetaPre(I,J,bi,bj) =  zeta(I,J,bi,bj)             zetaPre(I,J,bi,bj) =  zeta(I,J,bi,bj)
155               etaPre(I,J,bi,bj) =   eta(I,J,bi,bj)              etaPre(I,J,bi,bj) =   eta(I,J,bi,bj)
156              dwatPre(I,J,bi,bj) = DWATN(I,J,bi,bj)             etaZPre(I,J,bi,bj) =  etaZ(I,J,bi,bj)
157             pressPre(I,J,bi,bj) = press(I,J,bi,bj)             dwatPre(I,J,bi,bj) = DWATN(I,J,bi,bj)
158            ENDDO            ENDDO
159           ENDDO           ENDDO
160          ENDDO          ENDDO
# Line 240  C     FGMRES returns iCode either asking Line 241  C     FGMRES returns iCode either asking
241  C     or product of matrix (Jacobian) times vector. For iCode = 0, terminate  C     or product of matrix (Jacobian) times vector. For iCode = 0, terminate
242  C     iteration  C     iteration
243           IF (iCode.EQ.1) THEN           IF (iCode.EQ.1) THEN
244  C     Call preconditioner  C     Call preconditioner
245            CALL SEAICE_PRECONDITIONER(            IF ( SOLV_MAX_ITERS .GT. 0 )
246         &         CALL SEAICE_PRECONDITIONER(
247       U         duIce, dvIce,       U         duIce, dvIce,
248       I         zetaPre, etaPre, dwatPre, pressPre,       I         zetaPre, etaPre, etaZpre, dwatPre,
249       I         newtonIter, krylovIter, myTime, myIter, myThid )       I         newtonIter, krylovIter, myTime, myIter, myThid )
250           ELSEIF (iCode.GE.2) THEN           ELSEIF (iCode.GE.2) THEN
251  C     Compute Jacobian times vector  C     Compute Jacobian times vector
# Line 292  C     end of Newton iterate Line 294  C     end of Newton iterate
294  C  C
295  C--   Output diagnostics  C--   Output diagnostics
296  C  C
297          IF ( SEAICE_monFreq .GT. 0. _d 0 ) THEN
298  C     Count iterations  C     Count iterations
299        totalJFNKtimeSteps = totalJFNKtimeSteps + 1         totalJFNKtimeSteps = totalJFNKtimeSteps + 1
300        totalNewtonIters   = totalNewtonIters + newtonIter         totalNewtonIters   = totalNewtonIters + newtonIter
301        totalKrylovIters   = totalKrylovIters + totalKrylovItersLoc         totalKrylovIters   = totalKrylovIters + totalKrylovItersLoc
302  C     Record failure  C     Record failure
303        totalKrylovFails   = totalKrylovFails + krylovFails         totalKrylovFails   = totalKrylovFails + krylovFails
304        IF ( newtonIter .EQ. SEAICEnewtonIterMax ) THEN         IF ( newtonIter .EQ. SEAICEnewtonIterMax ) THEN
305         totalNewtonFails = totalNewtonFails + 1          totalNewtonFails = totalNewtonFails + 1
306           ENDIF
307        ENDIF        ENDIF
308  C     Decide whether it is time to dump and reset the counter  C     Decide whether it is time to dump and reset the counter
309        IF ( DIFFERENT_MULTIPLE(SEAICE_monFreq,myTime+deltaTClock,        writeNow = DIFFERENT_MULTIPLE(SEAICE_monFreq,
310       &     deltaTClock) ) THEN       &     myTime+deltaTClock, deltaTClock)
311    #ifdef ALLOW_CAL
312          IF ( useCAL ) THEN
313           CALL CAL_TIME2DUMP(
314         I      zeroRL, SEAICE_monFreq,  deltaTClock,
315         U      writeNow,
316         I      myTime+deltaTclock, myIter+1, myThid )
317          ENDIF
318    #endif
319          IF ( writeNow ) THEN
320         _BEGIN_MASTER( myThid )         _BEGIN_MASTER( myThid )
321         WRITE(msgBuf,'(A)')         WRITE(msgBuf,'(A)')
322       &' // ======================================================='       &' // ======================================================='
# Line 344  C     Decide whether it is time to dump Line 357  C     Decide whether it is time to dump
357       &' // ======================================================='       &' // ======================================================='
358         CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,         CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
359       &      SQUEEZE_RIGHT, myThid )       &      SQUEEZE_RIGHT, myThid )
360         WRITE(msgBuf,'(A)') ' // Begin JFNK statistics'         WRITE(msgBuf,'(A)') ' // End JFNK statistics'
361         CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,         CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
362       &      SQUEEZE_RIGHT, myThid )       &      SQUEEZE_RIGHT, myThid )
363         WRITE(msgBuf,'(A)')         WRITE(msgBuf,'(A)')
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