/[MITgcm]/MITgcm_contrib/natl_12/code/mom_vi_hdissip.F
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Revision 1.1 - (hide annotations) (download)
Tue Aug 5 21:22:44 2003 UTC (21 years, 11 months ago) by cnh
Branch: MAIN
CVS Tags: HEAD
Adding set of files for 1/12 Atlantic configuration

1 cnh 1.1 C $Header: /u/u0/gcmpack/MITgcm/pkg/mom_vecinv/mom_vi_hdissip.F,v 1.3 2001/10/30 23:11:51 jmc Exp $
2     C $Name: $
3    
4     #include "CPP_OPTIONS.h"
5    
6     SUBROUTINE MOM_VI_HDISSIP(
7     I bi,bj,k,
8     I hDiv,vort3,hFacZ,dStar,zStar,
9     O uDissip,vDissip,
10     I myThid)
11     IMPLICIT NONE
12     C
13     C Calculate horizontal dissipation terms
14     C [del^2 - del^4] (u,v)
15     C
16    
17     C == Global variables ==
18     #include "SIZE.h"
19     #include "GRID.h"
20     #include "EEPARAMS.h"
21     #include "PARAMS.h"
22    
23     C == Routine arguments ==
24     INTEGER bi,bj,k
25     _RL hDiv(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
26     _RL vort3(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27     _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
28     _RL dStar(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
29     _RL zStar(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
30     _RL uDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
31     _RL vDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
32     INTEGER myThid
33    
34     C == Local variables ==
35     INTEGER I,J
36     _RL Zip,Zij,Zpj,Dim,Dij,Dmj,uD2,vD2,uD4,vD4
37    
38     C - Laplacian and bi-harmonic terms
39     DO j=2-Oly,sNy+Oly-1
40     DO i=2-Olx,sNx+Olx-1
41    
42     c Dim=dyF( i ,j-1,bi,bj)*hFacC( i ,j-1,k,bi,bj)*hDiv( i ,j-1)
43     c Dij=dyF( i , j ,bi,bj)*hFacC( i , j ,k,bi,bj)*hDiv( i , j )
44     c Dmj=dyF(i-1, j ,bi,bj)*hFacC(i-1, j ,k,bi,bj)*hDiv(i-1, j )
45     c Dim=dyF( i ,j-1,bi,bj)* hDiv( i ,j-1)
46     c Dij=dyF( i , j ,bi,bj)* hDiv( i , j )
47     c Dmj=dyF(i-1, j ,bi,bj)* hDiv(i-1, j )
48     Dim= hDiv( i ,j-1)
49     Dij= hDiv( i , j )
50     Dmj= hDiv(i-1, j )
51    
52     c Zip=dxV( i ,j+1,bi,bj)*hFacZ( i ,j+1)*vort3( i ,j+1)
53     c Zij=dxV( i , j ,bi,bj)*hFacZ( i , j )*vort3( i , j )
54     c Zpj=dxV(i+1, j ,bi,bj)*hFacZ(i+1, j )*vort3(i+1, j )
55     Zip= hFacZ( i ,j+1)*vort3( i ,j+1)
56     Zij= hFacZ( i , j )*vort3( i , j )
57     Zpj= hFacZ(i+1, j )*vort3(i+1, j )
58    
59     c uD2 = recip_rAw(i,j,bi,bj)*(
60     c & recip_hFacW(i,j,k,bi,bj)*viscAh*( (Dij-Dmj)*cosFacU(j,bi,bj) )
61     c & -recip_hFacW(i,j,k,bi,bj)*viscAh*( Zip-Zij ) )
62     c uD2 = recip_rAw(i,j,bi,bj)*(
63     c & viscAh*( (Dij-Dmj)*cosFacU(j,bi,bj) )
64     c & -recip_hFacW(i,j,k,bi,bj)*viscAh*( Zip-Zij ) )
65     uD2 = viscAh*(
66     & cosFacU(j,bi,bj)*( Dij-Dmj )*recip_DXC(i,j,bi,bj)
67     & -recip_hFacW(i,j,k,bi,bj)*( Zip-Zij )*recip_DYG(i,j,bi,bj) )
68    
69     c vD2 = recip_rAs(i,j,bi,bj)*(
70     c & recip_hFacS(i,j,k,bi,bj)*viscAh*( (Zpj-Zij)*cosFacV(j,bi,bj) )
71     c & +recip_hFacS(i,j,k,bi,bj)*viscAh*( Dij-Dim ) )
72     c vD2 = recip_rAs(i,j,bi,bj)*(
73     c & recip_hFacS(i,j,k,bi,bj)*viscAh*( (Zpj-Zij)*cosFacV(j,bi,bj) )
74     c & + viscAh*( Dij-Dim ) )
75     vD2 = viscAh*(
76     & recip_hFacS(i,j,k,bi,bj)*( Zpj-Zij )*recip_DXG(i,j,bi,bj)
77     & *cosFacV(j,bi,bj)
78     & +( Dij-Dim )*recip_DYC(i,j,bi,bj) )
79    
80     c Dim=dyF( i ,j-1,bi,bj)*hFacC( i ,j-1,k,bi,bj)*dStar( i ,j-1)
81     c Dij=dyF( i , j ,bi,bj)*hFacC( i , j ,k,bi,bj)*dStar( i , j )
82     c Dmj=dyF(i-1, j ,bi,bj)*hFacC(i-1, j ,k,bi,bj)*dStar(i-1, j )
83     Dim=dyF( i ,j-1,bi,bj)* dStar( i ,j-1)
84     Dij=dyF( i , j ,bi,bj)* dStar( i , j )
85     Dmj=dyF(i-1, j ,bi,bj)* dStar(i-1, j )
86    
87     Zip=dxV( i ,j+1,bi,bj)*hFacZ( i ,j+1)*zStar( i ,j+1)
88     Zij=dxV( i , j ,bi,bj)*hFacZ( i , j )*zStar( i , j )
89     Zpj=dxV(i+1, j ,bi,bj)*hFacZ(i+1, j )*zStar(i+1, j )
90    
91     c uD4 = recip_rAw(i,j,bi,bj)*(
92     c & recip_hFacW(i,j,k,bi,bj)*viscA4*( (Dij-Dmj)*cosFacU(j,bi,bj) )
93     c & -recip_hFacW(i,j,k,bi,bj)*viscA4*( Zip-Zij ) )
94     uD4 = recip_rAw(i,j,bi,bj)*(
95     & viscA4*( (Dij-Dmj)*cosFacU(j,bi,bj) )
96     & -recip_hFacW(i,j,k,bi,bj)*viscA4*( Zip-Zij ) )
97    
98     c vD4 = recip_rAs(i,j,bi,bj)*(
99     c & recip_hFacS(i,j,k,bi,bj)*viscA4*( (Zpj-Zij)*cosFacV(j,bi,bj) )
100     c & +recip_hFacS(i,j,k,bi,bj)*viscA4*( Dij-Dim ) )
101     vD4 = recip_rAs(i,j,bi,bj)*(
102     & recip_hFacS(i,j,k,bi,bj)*viscA4*( (Zpj-Zij)*cosFacV(j,bi,bj) )
103     & + viscA4*( Dij-Dim ) )
104    
105     uDissip(i,j) = uD2 - uD4
106     vDissip(i,j) = vD2 - vD4
107    
108     ENDDO
109     ENDDO
110    
111     RETURN
112     END

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