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C $Header: $ |
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C $Name: $ |
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|
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#include "SEAICE_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: SEAICE_ADVDIFF |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE SEAICE_ADVDIFF( |
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I myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C /===========================================================\ |
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C | SUBROUTINE SEAICE_ADVDIFF | |
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C | o driver for different advection routines | |
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C | calls an adaption of gad_advection to call different | |
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C | advection routines of pkg/generic_advdiff | |
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C \===========================================================/ |
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IMPLICIT NONE |
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c \ev |
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|
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C !USES: =============================================================== |
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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 "GRID.h" |
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#include "GAD.h" |
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#include "SEAICE_PARAMS.h" |
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#include "SEAICE.h" |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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#endif |
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|
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C !INPUT PARAMETERS: =================================================== |
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C === Routine arguments === |
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C UICE/VICE - ice velocity |
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C HEFF - scalar field to be advected |
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C HEFFM - mask for scalar field |
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C myTime - current time |
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C myIter - iteration number |
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C myThid - Thread no. that called this routine. |
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CML _RL UICE (1-OLx:sNx+OLx,1-OLy:sNy+OLy,3,nSx,nSy) |
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CML _RL VICE (1-OLx:sNx+OLx,1-OLy:sNy+OLy,3,nSx,nSy) |
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CML _RL HEFF (1-OLx:sNx+OLx,1-OLy:sNy+OLy,3,nSx,nSy) |
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CML _RL HEFFM (1-OLx:sNx+OLx,1-OLy:sNy+OLy, nSx,nSy) |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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CEndOfInterface |
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|
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#ifdef ALLOW_SEAICE |
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C !LOCAL VARIABLES: ==================================================== |
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C === Local variables === |
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C i,j,bi,bj - Loop counters |
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C uc/vc - current ice velocity on C-grid |
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C fld - copy of scalar field |
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C gfld - tendency of scalar field |
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INTEGER i, j, bi, bj, k3 |
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LOGICAL SEAICEmultiDimAdvection |
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|
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_RL uc (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL vc (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL fld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL gfld (1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
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CEOP |
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|
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SEAICEmultidimadvection = .TRUE. |
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IF ( SEAICEadvScheme.EQ.ENUM_CENTERED_2ND |
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& .OR.SEAICEadvScheme.EQ.ENUM_UPWIND_3RD |
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& .OR.SEAICEadvScheme.EQ.ENUM_CENTERED_4TH ) THEN |
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SEAICEmultiDimAdvection = .FALSE. |
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ENDIF |
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|
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|
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IF ( SEAICEmultiDimAdvection ) THEN |
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C This has to be done to comply with the time stepping in advect.F: |
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C Making sure that the following routines see the different |
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C time levels correctly |
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C At the end of the routine ADVECT, |
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C timelevel 1 is updated with advection contribution |
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C and diffusion contribution |
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C (which was computed in DIFFUS on timelevel 3) |
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C timelevel 2 is the previous timelevel 1 |
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C timelevel 3 is the total diffusion tendency * deltaT |
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C (empty if no diffusion) |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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HEFF(I,J,3,bi,bj) = 0. _d 0 !HEFF(I,J,2,bi,bj) |
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HEFF(I,J,2,bi,bj) = HEFF(I,J,1,bi,bj) |
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AREA(I,J,3,bi,bj) = 0. _d 0 !AREA(I,J,2,bi,bj) |
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AREA(I,J,2,bi,bj) = AREA(I,J,1,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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C average seaice velocity to c-grid |
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DO j=1-Oly,sNy+Oly-1 |
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DO i=1-Olx,sNx+Olx-1 |
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uc(I,J,bi,bj)=.5 _d 0*(UICE(I,J,1,bi,bj)+UICE(I,J+1,1,bi,bj)) |
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vc(I,J,bi,bj)=.5 _d 0*(VICE(I,J,1,bi,bj)+VICE(I+1,J,1,bi,bj)) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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C Do we need this? I am afraid so. |
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CALL EXCH_UV_XY_RL(uc,vc,.TRUE.,myThid) |
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|
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C Thickness (Volume) |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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fld (I,J,bi,bj) = HEFF(I,J,1,bi,bj) |
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gfld(I,J,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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C advection |
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CALL SEAICE_ADVECTION( |
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I SEAICEadvScheme, GAD_HEFF, |
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I uc, vc, fld, |
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O gfld, |
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I bi, bj, myTime, myIter, myThid) |
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C now do the "explicit" time step |
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DO j=1,sNy |
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DO i=1,sNx |
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HEFF(I,J,1,bi,bj) = HEFFM(I,J,bi,bj) * ( |
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& HEFF(I,J,1,bi,bj) + SEAICE_deltaTtherm * gFld(I,J,bi,bj) |
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& ) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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IF ( DIFF1 .GT. 0. _d 0 ) THEN |
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C Do we need this? |
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CALL SEAICE_EXCH( HEFF, myThid ) |
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C diffusion |
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CALL SEAICE_DIFFUSION( |
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U HEFF, |
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I HEFFM, SEAICE_deltaTtherm, myTime, myIter, myThid ) |
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ENDIF |
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|
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C Fractional Area |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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fld (I,J,bi,bj) = AREA(I,J,1,bi,bj) |
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gfld(I,J,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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C advection |
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CALL SEAICE_ADVECTION( |
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I SEAICEadvScheme, GAD_AREA, |
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I uc, vc, fld, |
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O gfld, |
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I bi, bj, myTime, myIter, myThid) |
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C now do the "explicit" time step |
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DO j=1,sNy |
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DO i=1,sNx |
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AREA(I,J,1,bi,bj) = HEFFM(I,J,bi,bj) * ( |
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& AREA(I,J,1,bi,bj) + SEAICE_deltaTtherm * gFld(I,J,bi,bj) |
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& ) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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IF ( DIFF1 .GT. 0. _d 0 ) THEN |
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C Do we need this? Probably not, but it is done in ADVECT |
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CALL SEAICE_EXCH( AREA, myThid ) |
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C diffusion |
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CALL SEAICE_DIFFUSION( |
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U AREA, |
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I HEFFM, SEAICE_deltaTtherm, myTime, myIter, myThid ) |
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ENDIF |
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|
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ELSE |
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C if not multiDimAdvection |
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CALL ADVECT( UICE, VICE, HEFF, HEFFM, myThid ) |
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CALL ADVECT( UICE, VICE, AREA, HEFFM, myThid ) |
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ENDIF |
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|
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#endif /* ALLOW_SEAICE */ |
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|
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RETURN |
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END |
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