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C $Header: /u/gcmpack/MITgcm/model/src/post_cg3d.F,v 1.1 2009/12/11 04:31:31 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: POST_CG3D |
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C !INTERFACE: |
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SUBROUTINE POST_CG3D( |
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I zeroPsNH, zeroMeanPnh, |
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I myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: |
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C Called from SOLVE_FOR_PRESSURE, after 3-D solver (cg3d): |
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C Finish computation of Non-hydrostatic pressure from 3-D solver solution |
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|
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C !USES: |
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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 "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "SURFACE.h" |
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c#include "FFIELDS.h" |
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#include "DYNVARS.h" |
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#ifdef ALLOW_NONHYDROSTATIC |
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#include "NH_VARS.h" |
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#endif |
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|
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C === Functions ==== |
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LOGICAL DIFFERENT_MULTIPLE |
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EXTERNAL DIFFERENT_MULTIPLE |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C zeroPsNH :: account for Hyd.component of cg3d_x by updating NH & Surf.Press |
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C zeroMeanPnh :: account for Hyd.component of cg3d_x by updating NH & Surf.Press |
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C myTime :: Current time in simulation |
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C myIter :: Current iteration number in simulation |
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C myThid :: My Thread Id. number |
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LOGICAL zeroPsNH, zeroMeanPnh |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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|
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#ifdef ALLOW_NONHYDROSTATIC |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i,j,k,bi,bj |
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INTEGER ks |
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CHARACTER*10 sufx |
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c CHARACTER*(MAX_LEN_MBUF) msgBuf |
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_RL tmpSurf |
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CEOP |
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|
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C-- Separate the Hydrostatic Surface Pressure adjusment (=> put it in dPhiNH) |
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C from the Non-hydrostatic pressure (since cg3d_x contains both contribution) |
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IF ( nonHydrostatic .AND. exactConserv ) THEN |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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IF ( select_rStar.EQ.0 .AND. usingZCoords ) THEN |
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C- Z coordinate: assume surface @ level k=1 |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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dPhiNH(i,j,bi,bj) = phi_nh(i,j,1,bi,bj) |
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ENDDO |
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ENDDO |
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ELSEIF ( select_rStar.EQ.0 ) THEN |
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C- Other than Z coordinate: no assumption on surface level index |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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ks = ksurfC(i,j,bi,bj) |
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IF ( ks.LE.Nr ) THEN |
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dPhiNH(i,j,bi,bj) = phi_nh(i,j,ks,bi,bj) |
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ELSE |
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dPhiNH(i,j,bi,bj) = 0. |
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ENDIF |
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ENDDO |
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ENDDO |
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#ifdef NONLIN_FRSURF |
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ELSE |
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C rStar : take vertical average of P_NH as Hyd.Surf.Press adjustment |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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dPhiNH(i,j,bi,bj) = 0. |
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ENDDO |
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ENDDO |
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DO k=1,Nr |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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dPhiNH(i,j,bi,bj) = dPhiNH(i,j,bi,bj) |
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& + phi_nh(i,j,k,bi,bj)*drF(k)*h0FacC(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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dPhiNH(i,j,bi,bj) = dPhiNH(i,j,bi,bj)*recip_Rcol(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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#endif /* NONLIN_FRSURF */ |
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ENDIF |
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IF ( selectNHfreeSurf.GE.1 ) THEN |
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DO j=1,sNy |
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DO i=1,sNx |
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tmpSurf = deltaTMom*deltaTfreesurf |
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& *Bo_surf(i,j,bi,bj)*recip_drC(1) |
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& *implicitNHPress*implicDiv2DFlow |
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dPhiNH(i,j,bi,bj) = ( tmpSurf*dPhiNH(i,j,bi,bj) |
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& + Bo_surf(i,j,bi,bj)* |
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& ( etaH(i,j,bi,bj)-etaN(i,j,bi,bj) |
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& +implicDiv2DFlow*deltaTfreesurf |
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c & *(wVel(i,j,1,bi,bj)+PmE) |
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& *wVel(i,j,1,bi,bj) |
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& ) )/(1. _d 0 + tmpSurf ) |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDDO |
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IF ( selectNHfreeSurf.GE.1 .AND. |
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& implicitNHPress.LT.1. _d 0 ) THEN |
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CALL EXCH_XY_RL( dPhiNH, myThid ) |
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ENDIF |
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ENDIF |
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|
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C-- Update surface pressure (account for NH-p @ surface level) and NH pressure: |
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IF ( zeroPsNH .OR. zeroMeanPnh ) THEN |
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IF ( DIFFERENT_MULTIPLE( diagFreq, myTime, deltaTClock) ) THEN |
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WRITE(sufx,'(I10.10)') myIter |
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CALL WRITE_FLD_XYZ_RL( 'cg3d_x.',sufx, phi_nh, myIter, myThid ) |
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ENDIF |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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DO k=1,Nr |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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phi_nh(i,j,k,bi,bj) = ( phi_nh(i,j,k,bi,bj) |
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& - dPhiNH(i,j,bi,bj) |
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& )*maskC(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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etaN(i,j,bi,bj) = etaN(i,j,bi,bj) |
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& + recip_Bo(i,j,bi,bj)*dPhiNH(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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|
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_NONHYDROSTATIC */ |
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|
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RETURN |
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END |
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