| 1 |
C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_solo_timestep.F,v 1.6 2012/09/20 02:04:45 heimbach Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "STREAMICE_OPTIONS.h" |
| 5 |
|
| 6 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 7 |
|
| 8 |
CBOP |
| 9 |
SUBROUTINE STREAMICE_SOLO_TIMESTEP ( myThid, myIter, |
| 10 |
& iLoop, myTime ) |
| 11 |
|
| 12 |
C /============================================================\ |
| 13 |
C | SUBROUTINE | |
| 14 |
C | o | |
| 15 |
C |============================================================| |
| 16 |
C | | |
| 17 |
C \============================================================/ |
| 18 |
IMPLICIT NONE |
| 19 |
|
| 20 |
C === Global variables === |
| 21 |
#include "SIZE.h" |
| 22 |
#include "GRID.h" |
| 23 |
#include "EEPARAMS.h" |
| 24 |
#include "PARAMS.h" |
| 25 |
#include "STREAMICE.h" |
| 26 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 27 |
# include "tamc.h" |
| 28 |
# include "STREAMICE_ADV.h" |
| 29 |
# include "STREAMICE_BDRY.h" |
| 30 |
# include "STREAMICE_CG.h" |
| 31 |
#endif |
| 32 |
|
| 33 |
|
| 34 |
INTEGER myThid, myIter, iLoop |
| 35 |
_RL myTime |
| 36 |
|
| 37 |
|
| 38 |
#ifdef ALLOW_STREAMICE |
| 39 |
|
| 40 |
INTEGER i, j, bi, bj, ki, kj |
| 41 |
! _RL Iratio, Imin_ratio, time_step_remain, local_u_max |
| 42 |
! _RL ratio, min_ratio |
| 43 |
! _RL local_v_max, time_step_int, min_time_step |
| 44 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 45 |
! LOGICAL modelEnd |
| 46 |
|
| 47 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 48 |
c************************************** |
| 49 |
#include "streamice_ad_check_lev1_dir.h" |
| 50 |
c************************************** |
| 51 |
#endif |
| 52 |
|
| 53 |
! time_step_remain = deltaT |
| 54 |
! min_time_step = 1000.0 |
| 55 |
! n_interm = 0 |
| 56 |
|
| 57 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 58 |
|
| 59 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 60 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 61 |
DO j=1-OLy,sNy+OLy |
| 62 |
DO i=1-OLx,sNx+OLx |
| 63 |
STREAMICE_ufacemask(i,j,bi,bj) = 0. _d 0 |
| 64 |
STREAMICE_vfacemask(i,j,bi,bj) = 0. _d 0 |
| 65 |
ru_old_si(i,j,bi,bj) = 0. _d 0 |
| 66 |
rv_old_si(i,j,bi,bj) = 0. _d 0 |
| 67 |
zu_old_si(i,j,bi,bj) = 0. _d 0 |
| 68 |
zv_old_si(i,j,bi,bj) = 0. _d 0 |
| 69 |
h_after_uflux_si(i,j,bi,bj) = 0. _d 0 |
| 70 |
#ifdef STREAMICE_HYBRID_STRESS |
| 71 |
streamice_taubx (i,j,bi,bj) = 0. _d 0 |
| 72 |
streamice_tauby (i,j,bi,bj) = 0. _d 0 |
| 73 |
#endif |
| 74 |
ENDDO |
| 75 |
ENDDO |
| 76 |
ENDDO |
| 77 |
ENDDO |
| 78 |
|
| 79 |
#endif |
| 80 |
|
| 81 |
|
| 82 |
! do while (time_step_remain .gt. 0. _d 0) |
| 83 |
! |
| 84 |
! n_interm = n_interm + 1 |
| 85 |
! Imin_ratio = 1.0e-16 |
| 86 |
! |
| 87 |
! DO bj = myByLo(myThid), myByHi(myThid) |
| 88 |
! DO bi = myBxLo(myThid), myBxHi(myThid) |
| 89 |
! DO j=1,sNy |
| 90 |
! DO i=1,sNx |
| 91 |
! |
| 92 |
! local_u_max = 0 |
| 93 |
! local_v_max = 0 |
| 94 |
! |
| 95 |
! if (STREAMICE_hmask (i,j,bi,bj) .eq. 1.0) then |
| 96 |
! do ki = 0,1 |
| 97 |
! do kj = 0,1 |
| 98 |
! local_u_max = |
| 99 |
! & max (local_u_max, abs(U_streamice(i+ki,j+kj,bi,bj))) |
| 100 |
! local_v_max = |
| 101 |
! & max (local_v_max, abs(V_streamice(i+ki,j+kj,bi,bj))) |
| 102 |
! enddo |
| 103 |
! enddo |
| 104 |
! |
| 105 |
! Iratio = max (local_u_max/dxF(i,j,bi,bj) , |
| 106 |
! & local_v_max/dyF(i,j,bi,bj)) |
| 107 |
! Imin_ratio = max (Imin_ratio, Iratio) |
| 108 |
! endif |
| 109 |
! |
| 110 |
! enddo |
| 111 |
! enddo |
| 112 |
! enddo |
| 113 |
! enddo |
| 114 |
! |
| 115 |
! CALL GLOBAL_MAX_R8 (Imin_ratio, myThid) |
| 116 |
! min_ratio = 1./(Imin_ratio+1.e-12) |
| 117 |
! time_step_int = |
| 118 |
! & min(streamice_CFL_factor*min_ratio*(365*86400), |
| 119 |
! & deltaT) |
| 120 |
! |
| 121 |
! if (time_step_int .lt. min_time_step) then |
| 122 |
! WRITE(msgBuf,'(A,A,E9.2)') 'streamice solo_time_step:', |
| 123 |
! & ' abnormally small timestep ', |
| 124 |
! & streamice_CFL_factor*min_ratio*(365*86400) |
| 125 |
! CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 126 |
! & SQUEEZE_RIGHT , 1) |
| 127 |
! endif |
| 128 |
! |
| 129 |
! if (time_step_int .ge. time_step_remain) then |
| 130 |
! time_step_int = time_step_remain |
| 131 |
! time_step_remain = 0.0 |
| 132 |
! else |
| 133 |
! time_step_remain = time_step_remain - time_step_int |
| 134 |
! endif |
| 135 |
|
| 136 |
|
| 137 |
|
| 138 |
|
| 139 |
|
| 140 |
|
| 141 |
! if (time_step_int .gt. 1000) then |
| 142 |
|
| 143 |
WRITE(msgBuf,'(A,I10.10,E9.2,A)') |
| 144 |
& 'streamice solo_time_step: nIter', |
| 145 |
& myIter, myTime/86400.0/365.0, 'seconds' |
| 146 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 147 |
& SQUEEZE_RIGHT , 1) |
| 148 |
|
| 149 |
CALL STREAMICE_DUMP( mytime, myiter, myThid ) |
| 150 |
|
| 151 |
|
| 152 |
|
| 153 |
CALL STREAMICE_VELMASK_UPD (myThid) |
| 154 |
CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
| 155 |
CALL STREAMICE_VEL_SOLVE( myThid ) |
| 156 |
! endif |
| 157 |
|
| 158 |
|
| 159 |
if(.not.STREAMICE_diagnostic_only) THEN |
| 160 |
|
| 161 |
CALL STREAMICE_ADVECT_THICKNESS ( myThid, deltaT ) |
| 162 |
|
| 163 |
endif |
| 164 |
|
| 165 |
|
| 166 |
! enddo |
| 167 |
|
| 168 |
! CALL STREAMICE_VELMASK_UPD (myThid) |
| 169 |
! CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
| 170 |
! CALL STREAMICE_VEL_SOLVE( myThid ) |
| 171 |
|
| 172 |
! modelEnd = myTime.EQ.endTime .OR. myIter.EQ.nEndIter |
| 173 |
|
| 174 |
! #ifdef ALLOW_DIAGNOSTICS |
| 175 |
! |
| 176 |
! ! this stuff was to replace what is in forward_step, but not |
| 177 |
! ! forward_step will be called |
| 178 |
! |
| 179 |
! ! IF ( useDiagnostics ) THEN |
| 180 |
! ! CALL DIAGNOSTICS_SWITCH_ONOFF( myTime, myiter, myThid ) |
| 181 |
! ! ! C-- State-variables diagnostics |
| 182 |
! ! ! CALL TIMER_START('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
| 183 |
! ! ! CALL DO_STATEVARS_DIAGS( myTime, 0, myIter, myThid ) |
| 184 |
! ! ! CALL TIMER_STOP ('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
| 185 |
! ! ENDIF |
| 186 |
! |
| 187 |
! |
| 188 |
! IF ( useDiagnostics ) THEN |
| 189 |
! CALL DIAGNOSTICS_FILL(U_streamice,'SI_Uvel ', |
| 190 |
! & 0,1,0,1,1,myThid) |
| 191 |
! CALL DIAGNOSTICS_FILL(V_streamice,'SI_Vvel ', |
| 192 |
! & 0,1,0,1,1,myThid) |
| 193 |
! CALL DIAGNOSTICS_FILL(H_streamice,'SI_Thick', |
| 194 |
! & 0,1,0,1,1,myThid) |
| 195 |
! CALL DIAGNOSTICS_FILL(area_shelf_streamice,'SI_area ', |
| 196 |
! & 0,1,0,1,1,myThid) |
| 197 |
! CALL DIAGNOSTICS_FILL(float_frac_streamice,'SI_float', |
| 198 |
! & 0,1,0,1,1,myThid) |
| 199 |
! |
| 200 |
! ENDIF |
| 201 |
! |
| 202 |
! ! IF ( useDiagnostics ) THEN |
| 203 |
! ! CALL TIMER_START('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
| 204 |
! ! CALL DO_STATEVARS_DIAGS( myTime, 2, myIter, myThid ) |
| 205 |
! ! CALL TIMER_STOP ('DO_STATEVARS_DIAGS [FORWARD_STEP]',myThid) |
| 206 |
! ! ENDIF |
| 207 |
! |
| 208 |
! #endif /* ALLOW_DIAGNOSTICS */ |
| 209 |
|
| 210 |
! myIter = nIter0 + iLoop |
| 211 |
! myTime = startTime + deltaTClock * float(iLoop) |
| 212 |
! |
| 213 |
! CALL TIMER_START('DO_THE_MODEL_IO [FORWARD_STEP]',myThid) |
| 214 |
! CALL DO_THE_MODEL_IO( modelEnd, myTime, myIter, myThid ) |
| 215 |
! CALL TIMER_STOP ('DO_THE_MODEL_IO [FORWARD_STEP]',myThid) |
| 216 |
|
| 217 |
|
| 218 |
#endif |
| 219 |
RETURN |
| 220 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph