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C $Header: /u/gcmpack/MITgcm/verification/hs94.1x64x5/code/external_forcing.F,v 1.7 2005/07/17 18:40:10 jmc Exp $ |
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C $Name: $ |
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|
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#include "CPP_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: EXTERNAL_FORCING_U |
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C !INTERFACE: |
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SUBROUTINE EXTERNAL_FORCING_U( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R EXTERNAL_FORCING_U |
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C | o Contains problem specific forcing for zonal velocity. |
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C *==========================================================* |
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C | Adds terms to gU for forcing by external sources |
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C | e.g. wind stress, bottom friction etc ... |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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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 "DYNVARS.h" |
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#include "FFIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C bi,bj :: Current tile indices |
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C kLev :: Current vertical level index |
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C myTime :: Current time in simulation |
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C myThid :: Thread Id number |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myTime |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C i,j :: Loop counters |
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INTEGER i, j |
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CEOP |
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_RL recip_P0g, termP, kV, kF, sigma_b |
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|
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C-- Forcing term(s) |
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kF=1. _d 0/86400. _d 0 |
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sigma_b = 0.7 _d 0 |
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c DO j=1,sNy |
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C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNy+1] |
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DO j=0,sNy+1 |
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DO i=1,sNx+1 |
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IF ( hFacW(i,j,kLev,bi,bj) .GT. 0. ) THEN |
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recip_P0g=MAX(recip_Rcol(i,j,bi,bj),recip_Rcol(i-1,j,bi,bj)) |
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termP=0.5 _d 0*( MIN(rF(kLev)*recip_P0g,1. _d 0) |
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& +rF(kLev+1)*recip_P0g ) |
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c termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )*recip_P0g |
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kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) ) |
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gU(i,j,kLev,bi,bj)=gU(i,j,kLev,bi,bj) |
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& -kV*uVel(i,j,kLev,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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|
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RETURN |
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END |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: EXTERNAL_FORCING_V |
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C !INTERFACE: |
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SUBROUTINE EXTERNAL_FORCING_V( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R EXTERNAL_FORCING_V |
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C | o Contains problem specific forcing for merid velocity. |
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C *==========================================================* |
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C | Adds terms to gV for forcing by external sources |
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C | e.g. wind stress, bottom friction etc ... |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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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 "DYNVARS.h" |
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#include "FFIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C bi,bj :: Current tile indices |
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C kLev :: Current vertical level index |
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C myTime :: Current time in simulation |
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C myThid :: Thread Id number |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myTime |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C i,j :: Loop counters |
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INTEGER i, j |
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CEOP |
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_RL recip_P0g, termP, kV, kF, sigma_b |
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|
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C-- Forcing term(s) |
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kF=1. _d 0/86400. _d 0 |
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sigma_b = 0.7 _d 0 |
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DO j=1,sNy+1 |
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c DO i=1,sNx |
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C-jmc: Without CD-scheme, this is OK ; but with CD-scheme, needs to cover [0:sNx+1] |
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DO i=0,sNx+1 |
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IF ( hFacS(i,j,kLev,bi,bj) .GT. 0. ) THEN |
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recip_P0g=MAX(recip_Rcol(i,j,bi,bj),recip_Rcol(i,j-1,bi,bj)) |
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termP=0.5 _d 0*( MIN(rF(kLev)*recip_P0g,1. _d 0) |
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& +rF(kLev+1)*recip_P0g ) |
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c termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) )*recip_P0g |
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kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) ) |
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gV(i,j,kLev,bi,bj)=gV(i,j,kLev,bi,bj) |
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& -kV*vVel(i,j,kLev,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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|
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RETURN |
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END |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: EXTERNAL_FORCING_T |
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C !INTERFACE: |
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SUBROUTINE EXTERNAL_FORCING_T( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R EXTERNAL_FORCING_T |
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C | o Contains problem specific forcing for temperature. |
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C *==========================================================* |
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C | Adds terms to gT for forcing by external sources |
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C | e.g. heat flux, climatalogical relaxation, etc ... |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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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 "DYNVARS.h" |
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#include "FFIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C bi,bj :: Current tile indices |
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C kLev :: Current vertical level index |
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C myTime :: Current time in simulation |
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C myThid :: Thread Id number |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myTime |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C i,j :: Loop counters |
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INTEGER i, j |
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CEOP |
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_RL thetaLim,kT,ka,ks,sigma_b,term1,term2,thetaEq,termP |
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|
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C-- Forcing term(s) |
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ka=1. _d 0/(40. _d 0*86400. _d 0) |
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ks=1. _d 0/(4. _d 0 *86400. _d 0) |
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sigma_b = 0.7 _d 0 |
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DO j=1,sNy |
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DO i=1,sNx |
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term1=60. _d 0*(SIN(yC(i,j,bi,bj)*deg2rad)**2) |
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termP=0.5 _d 0*( rF(kLev) + rF(kLev+1) ) |
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term2=10. _d 0*LOG(termP/atm_po) |
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& *(COS(yC(i,j,bi,bj)*deg2rad)**2) |
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thetaLim = 200. _d 0/ ((termP/atm_po)**atm_kappa) |
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thetaEq=315. _d 0-term1-term2 |
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thetaEq=MAX(thetaLim,thetaEq) |
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termP=0.5 _d 0*( MIN(rF(kLev),Ro_surf(i,j,bi,bj))+rF(kLev+1) ) |
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kT=ka+(ks-ka) |
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& *MAX(0. _d 0, |
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& (termP*recip_Rcol(i,j,bi,bj)-sigma_b)/(1. _d 0-sigma_b) ) |
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& *COS((yC(i,j,bi,bj)*deg2rad))**4 |
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gT(i,j,kLev,bi,bj)=gT(i,j,kLev,bi,bj) |
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& - kT*( theta(i,j,kLev,bi,bj)-thetaEq ) |
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& *maskC(i,j,kLev,bi,bj) |
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ENDDO |
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ENDDO |
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|
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RETURN |
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END |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: EXTERNAL_FORCING_S |
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C !INTERFACE: |
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SUBROUTINE EXTERNAL_FORCING_S( |
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I iMin,iMax, jMin,jMax, bi,bj, kLev, |
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I myTime, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R EXTERNAL_FORCING_S |
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C | o Contains problem specific forcing for merid velocity. |
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C *==========================================================* |
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C | Adds terms to gS for forcing by external sources |
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C | e.g. fresh-water flux, climatalogical relaxation, etc ... |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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C == Global data == |
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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 "DYNVARS.h" |
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#include "FFIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C iMin,iMax :: Working range of x-index for applying forcing. |
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C jMin,jMax :: Working range of y-index for applying forcing. |
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C bi,bj :: Current tile indices |
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C kLev :: Current vertical level index |
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C myTime :: Current time in simulation |
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C myThid :: Thread Id number |
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INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
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_RL myTime |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C i,j :: Loop counters |
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c INTEGER i, j |
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CEOP |
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|
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C-- Forcing term(s) |
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|
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RETURN |
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END |
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