/[MITgcm]/MITgcm/pkg/mom_vecinv/mom_vi_coriolis.F
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Contents of /MITgcm/pkg/mom_vecinv/mom_vi_coriolis.F

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Revision 1.2 - (show annotations) (download)
Tue May 29 14:01:39 2001 UTC (23 years ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint40pre3, checkpoint40pre1, checkpoint40pre7, checkpoint40pre6, checkpoint40pre8, checkpoint40pre2, checkpoint40pre4, checkpoint40pre5
Changes since 1.1: +99 -0 lines
Merge from branch pre38:
 o essential mods for cubed sphere
 o debugged atmosphere, dynamcis + physics (aim)
 o new packages (mom_vecinv, mom_fluxform, ...)

1 C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_vecinv/Attic/mom_vi_coriolis.F,v 1.1.2.2 2001/04/02 17:57:25 adcroft Exp $
2 C $Name: pre38-close $
3
4 #include "CPP_OPTIONS.h"
5
6 SUBROUTINE MOM_VI_CORIOLIS(
7 I bi,bj,K,
8 I uFld,vFld,omega3,r_hFacZ,
9 O uCoriolisTerm,vCoriolisTerm,
10 I myThid)
11 IMPLICIT NONE
12 C /==========================================================\
13 C | S/R VORTICITY_X_V |
14 C |==========================================================|
15 C \==========================================================/
16
17 C == Global variables ==
18 #include "SIZE.h"
19 #include "EEPARAMS.h"
20 #include "GRID.h"
21 #include "PARAMS.h"
22
23 C == Routine arguments ==
24 INTEGER bi,bj,K
25 _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
26 _RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27 _RL omega3(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
28 _RS r_hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
29 _RL uCoriolisTerm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
30 _RL vCoriolisTerm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
31 INTEGER myThid
32
33 C == Local variables ==
34 INTEGER I,J
35 _RL vBarXY,uBarXY,vort3u,vort3v
36
37 DO J=1-Oly,sNy+Oly-1
38 DO I=2-Olx,sNx+Olx
39 c vBarXY=0.25*(vFld( i ,j)+vFld( i ,j+1)
40 c & +vFld(i-1,j)+vFld(i-1,j+1))
41 c vort3u=0.5*(omega3(i,j)+omega3(I,J+1))
42 vBarXY=0.25*(
43 & vFld( i , j )*dxG( i , j ,bi,bj)*hFacS( i , j ,k,bi,bj)
44 & +vFld( i ,j+1)*dxG( i ,j+1,bi,bj)*hFacS( i ,j+1,k,bi,bj)
45 & +vFld(i-1, j )*dxG(i-1, j ,bi,bj)*hFacS(i-1, j ,k,bi,bj)
46 & +vFld(i-1,j+1)*dxG(i-1,j+1,bi,bj)*hFacS(i-1,j+1,k,bi,bj))
47 vort3u=0.5*(omega3(i,j)*r_hFacZ(i,j)
48 & +omega3(i,j+1)*r_hFacZ(i,j+1))
49 uCoriolisTerm(i,j)=
50 C high order vorticity advection term
51 c & +vort3u*vBarXY*recip_dxc(i,j,bi,bj)
52 C linear Coriolis term (enstrophy conserving)
53 & +0.5*(fCoriG(i,j,bi,bj)*r_hFacZ(i,j)
54 & +fCoriG(i,j+1,bi,bj)*r_hFacZ(i,j+1))*vBarXY
55 * *recip_dxc(i,j,bi,bj)
56 C full nonlinear Coriolis term
57 c & +0.5*(omega3(i,j)+omega3(i,j+1))*vBarXY
58 C correct energy conserving form of Coriolis term
59 c & +0.25*( fCori( i ,j,bi,bj)*(vFld( i ,j)+vFld( i ,j+1)) +
60 c & fCori(i-1,j,bi,bj)*(vFld(i-1,j)+vFld(i-1,j+1)) )
61 C original form of Coriolis term (copied from calc_mom_rhs)
62 c & +0.5*(fCori(i,j,bi,bj)+fCori(i-1,j,bi,bj))*vBarXY
63 & *_maskW(I,J,K,bi,bj)
64 ENDDO
65 ENDDO
66
67 DO J=2-Oly,sNy+Oly
68 DO I=1-Olx,sNx+Olx-1
69 c uBarXY=0.25*( uFld(i, j )+uFld(i+1, j )
70 c & +uFld(i,j-1)+uFld(i+1,j-1))
71 c vort3v=0.5*(omega3(i,j)+omega3(I+1,J))
72 uBarXY=0.25*(
73 & uFld( i , j )*dyG( i , j ,bi,bj)*hFacW( i , j ,k,bi,bj)
74 & +uFld(i+1, j )*dyG(i+1, j ,bi,bj)*hFacW(i+1, j ,k,bi,bj)
75 & +uFld( i ,j-1)*dyG( i ,j-1,bi,bj)*hFacW( i ,j-1,k,bi,bj)
76 & +uFld(i+1,j-1)*dyG(i+1,j-1,bi,bj)*hFacW(i+1,j-1,k,bi,bj))
77 vort3v=0.5*(omega3(i,j)*r_hFacZ(i,j)
78 & +omega3(i+1,j)*r_hFacZ(i+1,j))
79 vCoriolisTerm(i,j)=
80 C high order vorticity advection term
81 c & -vort3v*uBarXY*recip_dyc(i,j,bi,bj)
82 C linear Coriolis term (enstrophy conserving)
83 & -0.5 *(fCoriG(i,j,bi,bj)*r_hFacZ(i,j)
84 & +fCoriG(i+1,j,bi,bj)*r_hFacZ(i+1,j))*uBarXY
85 & *recip_dyc(i,j,bi,bj)
86 C full nonlinear Coriolis term
87 c & -0.5*(omega3(i,j)+omega3(i+1,j))*uBarXY
88 C correct energy conserving form of Coriolis term
89 c & -0.25*( fCori(i,j ,bi,bj)*(uFld(i, j )+uFld(i+1,j)) +
90 c & fCori(i,j-1,bi,bj)*(uFld(i,j-1)+uFld(i+1,j)) )
91 C original form of Coriolis term (copied from calc_mom_rhs)
92 c & -0.5*(fCori(i,j,bi,bj)+fCori(i,j-1,bi,bj))*uBarXY
93 & *_maskS(I,J,K,bi,bj)
94 ENDDO
95 ENDDO
96
97
98 RETURN
99 END

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