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

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Revision 1.2 - (show annotations) (download)
Tue May 29 14:01:39 2001 UTC (22 years, 11 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint40pre3, checkpoint40pre1, checkpoint40pre7, checkpoint40pre6, checkpoint40pre8, checkpoint40pre2, checkpoint40pre4, checkpoint40pre5
Changes since 1.1: +74 -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_u_coriolis.F,v 1.1.2.2 2001/04/02 17:07:57 adcroft Exp $
2 C $Name: pre38-close $
3
4 #include "CPP_OPTIONS.h"
5
6 SUBROUTINE MOM_VI_U_CORIOLIS(
7 I bi,bj,K,
8 I vFld,omega3,r_hFacZ,
9 O uCoriolisTerm,
10 I myThid)
11 IMPLICIT NONE
12 C /==========================================================\
13 C | S/R MOM_VI_U_CORIOLIS |
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 vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
26 _RL omega3(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27 _RS r_hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
28 _RL uCoriolisTerm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
29 INTEGER myThid
30
31 C == Local variables ==
32 INTEGER I,J
33 _RL vBarXY,vort3u
34 LOGICAL upwindVort3
35
36 upwindVort3=.FALSE.
37
38 DO J=1-Oly,sNy+Oly-1
39 DO I=2-Olx,sNx+Olx
40 vBarXY=0.25*(
41 & vFld( i , j )*dxG( i , j ,bi,bj)*hFacS( i , j ,k,bi,bj)
42 & +vFld( i ,j+1)*dxG( i ,j+1,bi,bj)*hFacS( i ,j+1,k,bi,bj)
43 & +vFld(i-1, j )*dxG(i-1, j ,bi,bj)*hFacS(i-1, j ,k,bi,bj)
44 & +vFld(i-1,j+1)*dxG(i-1,j+1,bi,bj)*hFacS(i-1,j+1,k,bi,bj))
45 c vBarXY=0.25*(vFld( i ,j)+vFld( i ,j+1)
46 c & +vFld(i-1,j)+vFld(i-1,j+1))
47 IF (upwindVort3) THEN
48 IF (vBarXY.GT.0.) THEN
49 vort3u=omega3(I,J)*r_hFacZ(i,j)
50 ELSE
51 vort3u=omega3(I,J+1)*r_hFacZ(i,j+1)
52 ENDIF
53 ELSE
54 vort3u=0.5*(omega3(i,j)*r_hFacZ(i,j)
55 & +omega3(i,j+1)*r_hFacZ(i,j+1))
56 ENDIF
57 uCoriolisTerm(i,j)=
58 C high order vorticity advection term
59 & +vort3u*vBarXY*recip_dxc(i,j,bi,bj)
60 C linear Coriolis term
61 c & +0.5*(fCoriG(I,J,bi,bj)+fCoriG(I,J+1,bi,bj))*vBarXY
62 C full nonlinear Coriolis term
63 c & +0.5*(omega3(I,J)+omega3(I,J+1))*vBarXY
64 C correct energy conserving form of Coriolis term
65 c & +0.5*( fCori(I ,J,bi,bj)*vBarY(I ,J,K,bi,bj) +
66 c & fCori(I-1,J,bi,bj)*vBarY(I-1,J,K,bi,bj) )
67 C original form of Coriolis term (copied from calc_mom_rhs)
68 c & +0.5*(fCori(i,j,bi,bj)+fCori(i-1,j,bi,bj))*vBarXY
69 & *_maskW(I,J,K,bi,bj)
70 ENDDO
71 ENDDO
72
73 RETURN
74 END

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