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dgoldberg |
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C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_vel_solve.F,v 1.9 2014/09/09 23:09:21 jmc Exp $ |
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C $Name: $ |
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#include "STREAMICE_OPTIONS.h" |
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#ifdef ALLOW_AUTODIFF |
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# include "AUTODIFF_OPTIONS.h" |
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#endif |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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SUBROUTINE STREAMICE_VEL_SOLVE_OPENAD ( myThid, maxNLIter, |
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& maxCGiter, myiter ) |
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C /============================================================\ |
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C | SUBROUTINE | |
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C | o | |
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C |============================================================| |
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C | | |
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C \============================================================/ |
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IMPLICIT NONE |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "STREAMICE.h" |
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#include "STREAMICE_CG.h" |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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#endif |
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C !INPUT/OUTPUT ARGUMENTS |
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INTEGER myThid |
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INTEGER maxNLIter |
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INTEGER maxCGIter |
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INTEGER myIter |
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#ifdef ALLOW_STREAMICE |
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C LOCAL VARIABLES |
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INTEGER i, j, k, l, bi, bj, loopiter |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER NL_iter |
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_RL err_last_change, cgtol |
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LOGICAL CONVERGED |
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#ifdef ALLOW_OPENAD |
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isinloop0 =0 |
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isinloop1 =1 |
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isinloop2 =2 |
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#endif |
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IF (STREAMICE_ppm_driving_stress) THEN |
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CALL STREAMICE_DRIVING_STRESS_PPM (myThid) |
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ELSE |
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CALL STREAMICE_DRIVING_STRESS (myThid) |
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ENDIF |
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#ifdef STREAMICE_STRESS_BOUNDARY_CONTROL |
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_EXCH_XY_RL( taudx_SI , myThid ) |
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_EXCH_XY_RL( taudy_SI , myThid ) |
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CALL STREAMICE_FORCED_BUTTRESS (myThid) |
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#endif |
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CALL TIMER_START ('STREAMICE_VEL_SOLVE',myThid) |
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cgtol = streamice_cg_tol |
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nl_iter = 0 |
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CONVERGED = .false. |
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err_last_change = 1 _d 1 |
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_EXCH_XY_RL( taudx_SI , myThid ) |
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_EXCH_XY_RL( taudy_SI , myThid ) |
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CALL STREAMICE_VEL_PHISTAGE ( |
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I myThid, |
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I maxNLIter, |
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I maxCGiter, |
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O cgtol, |
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O nL_iter, |
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O CONVERGED, |
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O err_last_change, |
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I isinloop0) |
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DO loopiter=1,maxNLIter |
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C To avoid using "exit", loop goes through all iterations |
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C but after convergence loop does nothing |
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! IF (.not.CONVERGED) THEN |
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CALL STREAMICE_VEL_PHISTAGE ( |
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I myThid, |
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I maxNLIter, |
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I maxCGiter, |
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O cgtol, |
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O nL_iter, |
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O CONVERGED, |
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O err_last_change, |
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I isinloop1) |
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ENDDO |
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CALL STREAMICE_VEL_PHISTAGE ( |
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I myThid, |
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I maxNLIter, |
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I maxCGiter, |
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O cgtol, |
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O nL_iter, |
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O CONVERGED, |
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O err_last_change, |
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I isinloop2) |
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C END NL ITER. LOOP |
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C------------------------------------------------------------------- |
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if (nl_iter .lt. streamice_max_nl_iter) then |
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WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE CONVERGED, ', |
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& nl_iter, ' iterations' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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else |
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WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE NOT CONVERGED IN ', |
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& nl_iter, ' iterations' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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endif |
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_EXCH_XY_RL(U_streamice, myThid) |
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_EXCH_XY_RL(V_streamice, myThid) |
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CALL TIMER_STOP ('STREAMICE_VEL_SOLVE',myThid) |
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#endif |
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RETURN |
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END |
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