1 |
C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_vecinv/mom_vi_hdissip.F,v 1.2 2001/05/29 14:01:39 adcroft 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 |