pkg/mom_fluxform/mom_u_sidedrag.F

C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/Attic/mom_u_sidedrag.F,v 1.1.2.1 2001/03/28 19:51:14 adcroft Exp $
C $Name: pre38-close $

#include "CPP_OPTIONS.h"

      SUBROUTINE MOM_U_SIDEDRAG(
     I        bi,bj,k,
     I        uFld, del2u, hFacZ,
     O        uDragTerms,
     I        myThid)
      IMPLICIT NONE
C
C     Calculate side drag terms for U eqn
C       - is not vector invariant ...
C

C     == Global variables ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"

C     == Routine arguments ==
      INTEGER bi,bj,k
      _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL uDragTerms(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      INTEGER myThid

C     == Local variables ==
      INTEGER I,J
      _RS hFacZClosedS,hFacZClosedN

C     - Laplacian  and bi-harmonic terms
      DO j=1-Oly,sNy+Oly-1
       DO i=1-Olx,sNx+Olx-1
        hFacZClosedS = _hFacW(i,j,k,bi,bj) - hFacZ(i,j)
        hFacZClosedN = _hFacW(i,j,k,bi,bj) - hFacZ(i,j+1)
        uDragTerms(i,j) =
     &   -_recip_hFacW(i,j,k,bi,bj)
     &   *recip_drF(k)*recip_rAw(i,j,bi,bj)
     &   *( hFacZClosedS*_dxV(i, j ,bi,bj)
     &      *_recip_dyU(i, j ,bi,bj)
     &     +hFacZClosedN*_dxV(i,j+1,bi,bj)
     &      *_recip_dyU(i,j+1,bi,bj) )
     &   *drF(k)*2.*(
#ifdef ISOTROPIC_COS_SCALING
     &                viscAh*uFld(i,j)*cosFacU(J,bi,bj)
#ifdef COSINEMETH_III
     &               -viscA4*del2u(i,j)*sqcosFacU(J,bi,bj)
#else
     &               -viscA4*del2u(i,j)*cosFacU(J,bi,bj)
#endif
#else
     &                viscAh*uFld(i,j)
     &               -viscA4*del2u(i,j)
#endif
     &              )
       ENDDO
      ENDDO

      RETURN
      END
1	adcroft	1.2	C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/Attic/mom_u_sidedrag.F,v 1.1.2.1 2001/03/28 19:51:14 adcroft Exp $
2			C $Name: pre38-close $
3
4			#include "CPP_OPTIONS.h"
5
6			SUBROUTINE MOM_U_SIDEDRAG(
7			I bi,bj,k,
8			I uFld, del2u, hFacZ,
9			O uDragTerms,
10			I myThid)
11			IMPLICIT NONE
12			C
13			C Calculate side drag terms for U eqn
14			C - is not vector invariant ...
15			C
16
17			C == Global variables ==
18			#include "SIZE.h"
19			#include "EEPARAMS.h"
20			#include "PARAMS.h"
21			#include "GRID.h"
22
23			C == Routine arguments ==
24			INTEGER bi,bj,k
25			_RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
26			_RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27			_RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
28			_RL uDragTerms(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
29			INTEGER myThid
30
31			C == Local variables ==
32			INTEGER I,J
33			_RS hFacZClosedS,hFacZClosedN
34
35			C - Laplacian and bi-harmonic terms
36			DO j=1-Oly,sNy+Oly-1
37			DO i=1-Olx,sNx+Olx-1
38			hFacZClosedS = _hFacW(i,j,k,bi,bj) - hFacZ(i,j)
39			hFacZClosedN = _hFacW(i,j,k,bi,bj) - hFacZ(i,j+1)
40			uDragTerms(i,j) =
41			& -_recip_hFacW(i,j,k,bi,bj)
42			& recip_drF(k)recip_rAw(i,j,bi,bj)
43			& ( hFacZClosedS_dxV(i, j ,bi,bj)
44			& *_recip_dyU(i, j ,bi,bj)
45			& +hFacZClosedN*_dxV(i,j+1,bi,bj)
46			& *_recip_dyU(i,j+1,bi,bj) )
47			& drF(k)2.*(
48			#ifdef ISOTROPIC_COS_SCALING
49			& viscAhuFld(i,j)cosFacU(J,bi,bj)
50			#ifdef COSINEMETH_III
51			& -viscA4del2u(i,j)sqcosFacU(J,bi,bj)
52			#else
53			& -viscA4del2u(i,j)cosFacU(J,bi,bj)
54			#endif
55			#else
56			& viscAh*uFld(i,j)
57			& -viscA4*del2u(i,j)
58			#endif
59			& )
60			ENDDO
61			ENDDO
62
63			RETURN
64			END