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C $Header: /u/gcmpack/MITgcm/pkg/mom_common/mom_uv_smag_3d.F,v 1.1 2013/11/05 13:33:07 jmc Exp $ |
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C $Name: $ |
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|
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#include "MOM_COMMON_OPTIONS.h" |
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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: MOM_UV_SMAG_3D |
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|
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C !INTERFACE: |
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SUBROUTINE MOM_UV_SMAG_3D( |
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I str11, str22, str12, str13, str23, |
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I viscAh3d_00, viscAh3d_12, |
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I viscAh3d_13, viscAh3d_23, |
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c I hFacZ, |
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O uDissip, vDissip, |
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I iMin,iMax,jMin,jMax, k, bi, bj, myThid ) |
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|
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C !DESCRIPTION: |
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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 "EEPARAMS.h" |
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#include "GRID.h" |
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#include "PARAMS.h" |
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|
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C !INPUT PARAMETERS: |
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C iMin,iMax :: 1rst index loop ranges |
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C jMin,jMax :: 2nd index loop ranges |
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_RL str11(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL str22(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL str12(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL str13(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr+1) |
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_RL str23(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr+1) |
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c _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL viscAh3d_00(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL viscAh3d_12(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL viscAh3d_13(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr+1) |
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_RL viscAh3d_23(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr+1) |
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INTEGER iMin,iMax, jMin,jMax |
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INTEGER k, bi, bj |
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INTEGER myThid |
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|
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C !OUTPUT PARAMETERS: |
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_RL uDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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CEOP |
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|
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#ifdef ALLOW_SMAG_3D |
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C !LOCAL VARIABLES: |
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INTEGER i,j |
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INTEGER km1, kp1 |
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_RL maskM1, maskP1 |
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|
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km1 = MAX( 1,k-1) |
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kp1 = MIN(Nr,k+1) |
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maskM1 = 1. |
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maskP1 = 1. |
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IF ( k.LE.1 ) maskM1 = 0. |
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IF ( k.GE.Nr ) maskP1 = 0. |
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|
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C - Laplacian and bi-harmonic terms |
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c IF (harmonic) THEN |
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|
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C- note: free-slip @ bottom is commented out |
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|
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C- use simple (momentum conserving) scaling |
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C (but not conserving angular momentum) |
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|
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DO j= jMin,jMax |
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DO i= iMin,iMax |
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uDissip(i,j) = recip_rAw(i,j,bi,bj)*( |
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& ( viscAh3d_00( i , j , k )*str11( i , j , k ) |
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& *dyF( i , j ,bi,bj) |
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& -viscAh3d_00(i-1, j , k )*str11(i-1, j , k ) |
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& *dyF(i-1, j ,bi,bj) |
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& ) |
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& +( viscAh3d_12( i ,j+1, k )*str12( i ,j+1, k ) |
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& *dxV( i ,j+1,bi,bj) |
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& -viscAh3d_12( i , j , k )*str12( i , j , k ) |
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& *dxV( i , j ,bi,bj) |
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& ) ) |
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& + recip_drF( k ) |
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& *( viscAh3d_13( i , j ,k+1)*str13( i , j ,k+1) |
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c & *maskW(i,j,kp1,bi,bj)*maskP1 |
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& -viscAh3d_13( i , j , k )*str13( i , j , k ) |
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c & *maskW(i,j,km1,bi,bj)*maskM1 |
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& )*rkSign*recip_hFacW(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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|
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DO j= jMin,jMax |
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DO i= iMin,iMax |
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vDissip(i,j) = recip_rAs(i,j,bi,bj)*( |
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& ( viscAh3d_12(i+1, j , k )*str12(i+1, j ,k) |
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& *dyU(i+1, j ,bi,bj) |
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& -viscAh3d_12( i , j , k )*str12( i , j ,k) |
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& *dyU( i , j ,bi,bj) |
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& ) |
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& +( viscAh3d_00( i , j , k )*str22( i , j ,k) |
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& *dxF( i , j ,bi,bj) |
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& -viscAh3d_00( i ,j-1, k )*str22( i ,j-1,k) |
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& *dxF( i ,j-1,bi,bj) |
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& ) ) |
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& + recip_drF( k ) |
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& *( viscAh3d_23( i , j ,k+1)*str23( i , j ,k+1) |
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c & *maskS(i,j,kp1,bi,bj)*maskP1 |
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& -viscAh3d_23( i , j , k )*str23( i , j , k ) |
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c & *maskS(i,j,km1,bi,bj)*maskM1 |
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& )*rkSign*recip_hFacS(i,j,k,bi,bj) |
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|
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ENDDO |
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ENDDO |
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|
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c ENDIF |
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|
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c IF (biharmonic) THEN |
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c STOP 'MOM_UV_SMAG_3D: BIHARMONIC NOT ALLOWED WITH SMAG_3D' |
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c ENDIF |
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|
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#endif /* ALLOW_SMAG_3D */ |
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RETURN |
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END |
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