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C $Header: /u/gcmpack/MITgcm/pkg/gmredi/gmredi_calc_psi_b.F,v 1.10 2008/05/30 02:50:16 gforget Exp $ |
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C $Name: $ |
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|
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#include "GMREDI_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: GMREDI_CALC_PSI_B |
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C !INTERFACE: |
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SUBROUTINE GMREDI_CALC_PSI_B( |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I sigmaX, sigmaY, sigmaR, |
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I ldd97_LrhoW, ldd97_LrhoS, |
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I myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE GMREDI_CALC_PSI_B |
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C | o Calculate stream-functions for GM bolus velocity |
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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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|
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C == Global variables == |
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#include "SIZE.h" |
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#include "GRID.h" |
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#include "DYNVARS.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GMREDI.h" |
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#include "FFIELDS.h" |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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#include "tamc.h" |
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#include "tamc_keys.h" |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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_RL sigmaX(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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_RL sigmaY(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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_RL sigmaR(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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_RL ldd97_LrhoW(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL ldd97_LrhoS(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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INTEGER bi,bj,iMin,iMax,jMin,jMax |
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INTEGER myThid |
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CEOP |
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|
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#ifdef ALLOW_GMREDI |
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#ifdef GM_BOLUS_ADVEC |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i,j,k, km1 |
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_RL half_K |
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_RL SlopeX(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL SlopeY(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL dSigmaDrW(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL dSigmaDrS(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL taperX(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL taperY(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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|
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C- Initialization : <= done in S/R gmredi_init |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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act1 = bi - myBxLo(myThid) |
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max1 = myBxHi(myThid) - myBxLo(myThid) + 1 |
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act2 = bj - myByLo(myThid) |
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max2 = myByHi(myThid) - myByLo(myThid) + 1 |
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act3 = myThid - 1 |
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max3 = nTx*nTy |
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act4 = ikey_dynamics - 1 |
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igmkey = (act1 + 1) + act2*max1 |
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& + act3*max1*max2 |
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& + act4*max1*max2*max3 |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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# ifdef GM_VISBECK_VARIABLE_K |
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CADJ STORE VisbeckK(:,:,bi,bj) = comlev1_bibj, key=igmkey, byte=isbyte |
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# endif |
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#endif |
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IF (GM_AdvForm) THEN |
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DO k=2,Nr |
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km1 = k-1 |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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kkey = (igmkey-1)*Nr + k |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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SlopeX(i,j) = 0. _d 0 |
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SlopeY(i,j) = 0. _d 0 |
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dSigmaDrW(i,j) = 0. _d 0 |
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dSigmaDrS(i,j) = 0. _d 0 |
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ENDDO |
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ENDDO |
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#endif |
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|
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C Gradient of Sigma below U and V points |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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SlopeX(i,j)=op5*( sigmaX(i,j,km1)+sigmaX(i,j,k) ) |
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& *maskW(i,j,k,bi,bj) |
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dSigmaDrW(i,j)=op5*( sigmaR(i-1,j,k)+sigmaR(i,j,k) ) |
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& *maskW(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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SlopeY(i,j)=op5*( sigmaY(i,j,km1)+sigmaY(i,j,k) ) |
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& *maskS(i,j,k,bi,bj) |
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dSigmaDrS(i,j)=op5*( sigmaR(i,j-1,k)+sigmaR(i,j,k) ) |
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& *maskS(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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|
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C Calculate slopes , taper and/or clip |
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CALL GMREDI_SLOPE_PSI( |
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O taperX, taperY, |
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U SlopeX, SlopeY, |
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U dSigmaDrW, dSigmaDrS, |
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I ldd97_LrhoW, ldd97_LrhoS, rF(k), k, |
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I bi, bj, myThid ) |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE SlopeX(:,:) = comlev1_bibj_k, key=kkey, byte=isbyte |
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CADJ STORE SlopeY(:,:) = comlev1_bibj_k, key=kkey, byte=isbyte |
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CADJ STORE taperX(:,:) = comlev1_bibj_k, key=kkey, byte=isbyte |
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CADJ STORE taperY(:,:) = comlev1_bibj_k, key=kkey, byte=isbyte |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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|
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C- Compute the 2 stream-function Components ( GM bolus vel.) |
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half_K = GM_background_K |
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& *(GM_bolFac1d(km1)+GM_bolFac1d(k))*op25 |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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GM_PsiX(i,j,k,bi,bj) = SlopeX(i,j)*taperX(i,j) |
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#if (defined (ALLOW_AUTODIFF) && defined (ALLOW_KAPGM_CONTROL)) |
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& *( kapgm(i,j,k,bi,bj) |
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#else |
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& *( half_K |
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& *(GM_bolFac2d(i-1,j,bi,bj)+GM_bolFac2d(i,j,bi,bj)) |
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#endif |
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#ifdef GM_VISBECK_VARIABLE_K |
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& +op5*(VisbeckK(i-1,j,bi,bj)+VisbeckK(i,j,bi,bj)) |
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#endif |
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& )*maskW(i,j,k,bi,bj) |
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#ifdef ALLOW_EDDYPSI |
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& +eddyPsiX(i,j,k,bi,bj)*maskW(i,j,k,bi,bj) |
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#endif |
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ENDDO |
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ENDDO |
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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GM_PsiY(i,j,k,bi,bj) = SlopeY(i,j)*taperY(i,j) |
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#if (defined (ALLOW_AUTODIFF) && defined (ALLOW_KAPGM_CONTROL)) |
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& *( kapgm(i,j,k,bi,bj) |
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#else |
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& *( half_K |
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& *(GM_bolFac2d(i,j-1,bi,bj)+GM_bolFac2d(i,j,bi,bj)) |
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#endif |
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#ifdef GM_VISBECK_VARIABLE_K |
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& +op5*(VisbeckK(i,j-1,bi,bj)+VisbeckK(i,j,bi,bj)) |
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#endif |
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& )*maskS(i,j,k,bi,bj) |
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#ifdef ALLOW_EDDYPSI |
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& +eddyPsiY(i,j,k,bi,bj)*maskS(i,j,k,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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C----- end of loop on level k |
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ENDDO |
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|
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ENDIF |
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#endif /* GM_BOLUS_ADVEC */ |
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#endif /* ALLOW_GMREDI */ |
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|
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RETURN |
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END |
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