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cnh |
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C $Header: /u/gcmpack/models/MITgcmUV/pkg/gmredi/gmredi_calc_tensor.F,v 1.4 2001/02/02 21:36:29 adcroft Exp $ |
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C $Name: $ |
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adcroft |
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#include "GMREDI_OPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE GMREDI_CALC_TENSOR( |
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I bi, bj, iMin, iMax, jMin, jMax, K, |
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I sigmaX, sigmaY, sigmaR, |
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I myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE GMREDI_CALC_TENSOR | |
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C | o Calculate tensor elements for GM/Redi tensor. | |
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C |==========================================================| |
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C \==========================================================/ |
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IMPLICIT NONE |
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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 "GMREDI_DIAGS.h" |
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C == Routine arguments == |
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C |
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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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INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
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INTEGER myThid |
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CEndOfInterface |
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#ifdef ALLOW_GMREDI |
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C == Local variables == |
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INTEGER i,j,km1,kp1 |
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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 dSigmaDrReal(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL dRdSigmaLtd(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL Ssq |
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#ifdef GM_VISBECK_VARIABLE_K |
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_RS deltaH,zero_rs |
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PARAMETER(zero_rs=0.) |
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_RL N2,SN |
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#endif |
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km1=max(1,K-1) |
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kp1=min(Nr,K) |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!HPF$ INDEPENDENT |
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#endif |
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DO j=1-Oly+1,sNy+Oly-1 |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!HPF$ INDEPENDENT |
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#endif |
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DO i=1-Olx+1,sNx+Olx-1 |
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C Gradient of Sigma at rVel points |
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SlopeX(i,j)=0.25*( sigmaX(i+1, j ,km1) +sigmaX(i,j,km1) |
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& +sigmaX(i+1, j , k ) +sigmaX(i,j, k ) ) |
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SlopeY(i,j)=0.25*( sigmaY( i ,j+1,km1) +sigmaY(i,j,km1) |
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& +sigmaY( i ,j+1, k ) +sigmaY(i,j, k ) ) |
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dSigmaDrReal(i,j)=sigmaR(i,j,k) |
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if (hFacC(i,j,k,bi,bj).eq.0.) then |
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SlopeX(i,j)=0. |
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SlopeY(i,j)=0. |
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endif |
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ENDDO |
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ENDDO |
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C Calculate slopes for use in tensor, taper and/or clip |
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CALL GMREDI_SLOPE_LIMIT( |
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I dSigmadRReal, |
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I rF(K), |
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U SlopeX, SlopeY, |
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O dRdSigmaLtd, |
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I bi, bj, myThid ) |
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DO j=1-Oly+1,sNy+Oly-1 |
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DO i=1-Olx+1,sNx+Olx-1 |
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C Mask Iso-neutral slopes |
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if (hFacC(i,j,k,bi,bj).eq.0.) then |
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SlopeX(i,j)=0. |
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SlopeY(i,j)=0. |
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endif |
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Ssq=SlopeX(i,j)*SlopeX(i,j)+SlopeY(i,j)*SlopeY(i,j) |
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C Components of Redi/GM tensor |
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heimbach |
1.3 |
Kwx(i,j,k,bi,bj)=2.*SlopeX(i,j) |
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Kwy(i,j,k,bi,bj)=2.*SlopeY(i,j) |
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Kwz(i,j,k,bi,bj)=Ssq |
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adcroft |
1.1 |
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#ifdef GM_VISBECK_VARIABLE_K |
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C-- Depth average of M^2/N^2 * N |
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C Calculate terms for mean Richardson number |
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C which is used in the "variable K" parameterisaton. |
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C Distance between interface above layer and the integration depth |
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deltaH=abs(GM_Visbeck_depth)-abs(rF(k)) |
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C If positive we limit this to the layer thickness |
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deltaH=min(deltaH,drF(k)) |
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C If negative then we are below the integration level |
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deltaH=max(deltaH,zero_rs) |
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C Now we convert deltaH to a non-dimensional fraction |
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deltaH=deltaH/GM_Visbeck_depth |
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heimbach |
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if (K.eq.2) VisbeckK(i,j,bi,bj)=0. |
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adcroft |
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Calt? if (dSigmaDrReal(i,j).NE.0.) then |
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Calt? N2=(-Gravity*recip_Rhonil)*dSigmaDrReal(i,j) |
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if (dRdSigmaLtd(i,j).NE.0.) then |
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N2=(-Gravity*recip_Rhonil)/dRdSigmaLtd(i,j) |
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SN=sqrt(Ssq*N2) |
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heimbach |
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VisbeckK(i,j,bi,bj)=VisbeckK(i,j,bi,bj)+deltaH |
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adcroft |
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& *GM_Visbeck_alpha*GM_Visbeck_length*GM_Visbeck_length*SN |
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endif |
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C Limit range that KapGM can take |
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heimbach |
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VisbeckK(i,j,bi,bj)= |
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& min(VisbeckK(i,j,bi,bj),GM_Visbeck_maxval_K) |
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adcroft |
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#endif /* GM_VISBECK_VARIABLE_K */ |
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#ifdef INCLUDE_DIAGNOSTICS_INTERFACE_CODE |
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C-- Time-average |
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GM_Kwx_T(i,j,k,bi,bj)=GM_Kwx_T(i,j,k,bi,bj) |
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heimbach |
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& +Kwx(i,j,k,bi,bj)*deltaTclock |
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adcroft |
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GM_Kwy_T(i,j,k,bi,bj)=GM_Kwy_T(i,j,k,bi,bj) |
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heimbach |
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& +Kwy(i,j,k,bi,bj)*deltaTclock |
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adcroft |
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GM_Kwz_T(i,j,k,bi,bj)=GM_Kwz_T(i,j,k,bi,bj) |
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heimbach |
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& +Kwz(i,j,k,bi,bj)*deltaTclock |
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adcroft |
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#ifdef GM_VISBECK_VARIABLE_K |
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IF (K.EQ.Nr) |
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& Visbeck_K_T(i,j,bi,bj)=Visbeck_K_T(i,j,bi,bj) |
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heimbach |
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& +VisbeckK(i,j,bi,bj)*deltaTclock |
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adcroft |
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#endif |
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adcroft |
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#endif /* INCLUDE_DIAGNOSTICS_INTERFACE_CODE */ |
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adcroft |
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ENDDO |
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ENDDO |
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adcroft |
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#ifdef INCLUDE_DIAGNOSTICS_INTERFACE_CODE |
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adcroft |
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GM_TimeAve(k,bi,bj)=GM_TimeAve(k,bi,bj)+deltaTclock |
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adcroft |
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#endif |
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adcroft |
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#ifdef GM_NON_UNITY_DIAGONAL |
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C Gradient of Sigma at U points |
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DO j=1-Oly+1,sNy+Oly-1 |
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DO i=1-Olx+1,sNx+Olx-1 |
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SlopeX(i,j)=sigmaX(i,j,km1) |
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& *_maskW(i,j,k,bi,bj) |
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SlopeY(i,j)=0.25*( sigmaY(i-1,j+1,k) +sigmaY(i,j+1,k) |
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& +sigmaY(i-1, j ,k) +sigmaY(i, j ,k) ) |
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& *_maskW(i,j,k,bi,bj) |
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dSigmaDrReal(i,j)=0.25*( sigmaR(i-1,j, k ) +sigmaR(i,j, k ) |
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& +sigmaR(i-1,j,kp1) +sigmaR(i,j,kp1) ) |
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& *_maskW(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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C Calculate slopes for use in tensor, taper and/or clip |
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CALL GMREDI_SLOPE_LIMIT( |
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I dSigmadRReal, |
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I rF(K), |
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U SlopeX, SlopeY, |
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O dRdSigmaLtd, |
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I bi, bj, myThid ) |
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DO j=1-Oly+1,sNy+Oly-1 |
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DO i=1-Olx+1,sNx+Olx-1 |
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heimbach |
1.3 |
Kux(i,j,k,bi,bj)=(dSigmaDrReal(i,j)*dRdSigmaLtd(i,j))**2 |
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adcroft |
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ENDDO |
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ENDDO |
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C Gradient of Sigma at V points |
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DO j=1-Oly+1,sNy+Oly-1 |
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DO i=1-Olx+1,sNx+Olx-1 |
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SlopeX(i,j)=0.25*( sigmaX(i, j ,k) +sigmaX(i+1, j ,k) |
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& +sigmaX(i,j-1,k) +sigmaX(i+1,j-1,k) ) |
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& *_maskS(i,j,k,bi,bj) |
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SlopeY(i,j)=sigmaY(i,j,km1) |
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& *_maskS(i,j,k,bi,bj) |
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dSigmaDrReal(i,j)=0.25*( sigmaR(i,j-1, k ) +sigmaR(i,j, k ) |
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& +sigmaR(i,j-1,kp1) +sigmaR(i,j,kp1) ) |
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& *_maskS(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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C Calculate slopes for use in tensor, taper and/or clip |
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CALL GMREDI_SLOPE_LIMIT( |
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I dSigmadRReal, |
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I rF(K), |
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U SlopeX, SlopeY, |
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O dRdSigmaLtd, |
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I bi, bj, myThid ) |
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DO j=1-Oly+1,sNy+Oly-1 |
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DO i=1-Olx+1,sNx+Olx-1 |
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heimbach |
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Kvy(i,j,k,bi,bj)=(dSigmaDrReal(i,j)*dRdSigmaLtd(i,j))**2 |
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adcroft |
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ENDDO |
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ENDDO |
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#endif /* GM_NON_UNITY_DIAGONAL */ |
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#endif /* ALLOW_GMREDI */ |
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RETURN |
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END |
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heimbach |
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SUBROUTINE GMREDI_CALC_TENSOR_DUMMY( |
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I bi, bj, iMin, iMax, jMin, jMax, K, |
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I sigmaX, sigmaY, sigmaR, |
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I myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE GMREDI_CALC_TENSOR | |
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C | o Calculate tensor elements for GM/Redi tensor. | |
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C |==========================================================| |
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C \==========================================================/ |
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IMPLICIT NONE |
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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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C == Routine arguments == |
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C |
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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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INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
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INTEGER myThid |
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CEndOfInterface |
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INTEGER i, j |
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#ifdef ALLOW_GMREDI |
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DO j=1-Oly+1,sNy+Oly-1 |
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DO i=1-Olx+1,sNx+Olx-1 |
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heimbach |
1.3 |
Kwx(i,j,k,bi,bj) = 0.0 |
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Kwy(i,j,k,bi,bj) = 0.0 |
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Kwz(i,j,k,bi,bj) = 0.0 |
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heimbach |
1.2 |
ENDDO |
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ENDDO |
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#endif /* ALLOW_GMREDI */ |
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end |
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