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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/ctrl/ctrl_obcsbal.F,v 1.5 2007/10/09 00:00:00 jmc Exp $ |
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jmc |
1.5 |
C $Name: $ |
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heimbach |
1.2 |
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#include "CTRL_CPPOPTIONS.h" |
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#ifdef ALLOW_OBCS |
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# include "OBCS_OPTIONS.h" |
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#endif |
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subroutine ctrl_obcsbal( |
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I mytime, |
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I myiter, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE ctrl_obcsbal |
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c ================================================================== |
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c |
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jmc |
1.5 |
c o volumetrically balance the control vector contribution. |
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heimbach |
1.2 |
c o Assume the calendar is identical |
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c for all open boundaries. Need to save the barotropic adjustment |
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jmc |
1.5 |
c velocity so it can be used in all ctrl_getobcs files. |
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c o WARNING: eastern boundary (not defined) filenames have been a |
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heimbach |
1.2 |
c problem in the past. |
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c |
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c - started G. Gebbie, MIT-WHOI, 15-June-2002 |
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c ================================================================== |
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c SUBROUTINE ctrl_obcsvol |
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c ================================================================== |
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implicit none |
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c == global variables == |
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#include "EEPARAMS.h" |
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#include "SIZE.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "DYNVARS.h" |
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#ifdef ALLOW_OBCS |
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# include "OBCS.h" |
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#endif |
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#include "ctrl.h" |
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#include "ctrl_dummy.h" |
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c == routine arguments == |
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integer myiter |
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_RL mytime |
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integer mythid |
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mlosch |
1.4 |
#ifdef BALANCE_CONTROL_VOLFLUX_GLOBAL |
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heimbach |
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c == local variables == |
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integer bi,bj |
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integer i,j,k |
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integer itlo,ithi |
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integer jtlo,jthi |
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integer jmin,jmax |
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integer imin,imax |
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integer irec |
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integer il |
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integer iobcs |
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integer ip1 |
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integer jp1 |
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integer nrec |
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integer ilfld |
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integer igg |
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_RL volflux |
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_RL area |
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_RL tmpflux |
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_RL tmparea |
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_RL dummy |
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_RL gg |
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_RL tmpx |
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_RL tmpy |
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_RL obcsnfac |
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character*(80) fnamefldn |
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character*(80) fnameflds |
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character*(80) fnamefldw |
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character*(80) fnameflde |
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logical doglobalread |
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logical ladinit |
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logical obcsnfirst, obcsnchanged |
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integer obcsncount0, obcsncount1 |
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#ifdef ECCO_VERBOSE |
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character*(MAX_LEN_MBUF) msgbuf |
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#endif |
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c == external functions == |
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integer ilnblnk |
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external ilnblnk |
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c == end of interface == |
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jtlo = mybylo(mythid) |
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jthi = mybyhi(mythid) |
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itlo = mybxlo(mythid) |
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ithi = mybxhi(mythid) |
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jmin = 1 |
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jmax = sny |
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imin = 1 |
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imax = snx |
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c-- Read tiled data. |
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doglobalread = .false. |
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ladinit = .false. |
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cgg Assume the number of records is the same for |
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cgg all boundaries. Needs to be improved someday. |
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#if (defined (ALLOW_OBCS_CONTROL) || \ |
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defined (ALLOW_OBCS_COST_CONTRIBUTION)) |
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tmpflux= 0. d 0 |
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tmparea= 0. d 0 |
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area= 0. d 0 |
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volflux = 0. d 0 |
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#ifdef ECCO_VERBOSE |
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_BEGIN_MASTER( mythid ) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a,i9.8)') |
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& ' ctrl_obcsvol: number of records to process: ',nrec |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a)') ' ' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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_END_MASTER( mythid ) |
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#endif |
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c-- Get the counters, flags, and the interpolation factor. |
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call ctrl_GetRec( 'xx_obcsn', |
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O obcsnfac, obcsnfirst, obcsnchanged, |
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O obcsncount0,obcsncount1, |
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I mytime, myiter, mythid ) |
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c-- Loop over records. For north boundary, we only need V velocity. |
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if ( obcsnfirst ) then |
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shiftvel(1) = 0. d0 |
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shiftvel(2) = 0. d0 |
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call ctrl_volflux( obcsncount0, area, volflux, mythid) |
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c-- Do the global summation. |
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jmc |
1.6 |
_GLOBAL_SUM_RL( volflux, mythid ) |
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_GLOBAL_SUM_RL( area,mythid ) |
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heimbach |
1.2 |
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shiftvel(2) = volflux / area |
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print*,'volflux,area',volflux,area |
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jmc |
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endif |
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cgg End of the obcsnfirst loop. |
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heimbach |
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if ( ( obcsnfirst) .or. (obcsnchanged)) then |
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cgg Swap the value. |
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shiftvel(1) = shiftvel(2) |
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jmc |
1.5 |
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heimbach |
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volflux = 0. d0 |
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area= 0. d0 |
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call ctrl_volflux( obcsncount1, area, volflux, mythid) |
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c-- Do the global summation. |
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jmc |
1.6 |
_GLOBAL_SUM_RL( volflux, mythid ) |
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_GLOBAL_SUM_RL( area,mythid ) |
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heimbach |
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shiftvel(2) = volflux /area |
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print*,'volflux,area',volflux,area |
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jmc |
1.5 |
endif |
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cgg End of the obcsnfirst, obcsnchanged loop. |
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heimbach |
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#endif |
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mlosch |
1.4 |
#endif /* BALANCE_CONTROL_VOLFLUX_GLOBAL */ |
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heimbach |
1.2 |
return |
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end |
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