/[MITgcm]/MITgcm/pkg/rbcs/rbcs_add_tendency.F
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Contents of /MITgcm/pkg/rbcs/rbcs_add_tendency.F

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Revision 1.6 - (show annotations) (download)
Sat May 14 19:52:12 2011 UTC (13 years ago) by jmc
Branch: MAIN
Changes since 1.5: +35 -10 lines
- split RBCS.h into 3 files: RBCS_SIZE.h  RBCS_PARAMS.h  RBCS_FIELDS.h
- add capability to apply relaxation to horizontal velocity uVel & vVel

1 C $Header: /u/gcmpack/MITgcm/pkg/rbcs/rbcs_add_tendency.F,v 1.5 2010/04/06 20:38:18 jmc Exp $
2 C $Name: $
3
4 #include "RBCS_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: RBCS_ADD_TSTENDENCY
8
9 C !INTERFACE: ==========================================================
10 SUBROUTINE RBCS_ADD_TENDENCY(
11 I bi, bj, k, tracerNum,
12 I myTime, myThid )
13
14 C !DESCRIPTION:
15 C Will update tendencies with terms to relax to 3-D field
16
17 C !USES: ===============================================================
18 IMPLICIT NONE
19 #include "SIZE.h"
20 #include "EEPARAMS.h"
21 #include "PARAMS.h"
22 c#include "GRID.h"
23 #include "DYNVARS.h"
24 #ifdef ALLOW_PTRACERS
25 #include "PTRACERS_SIZE.h"
26 #include "PTRACERS_FIELDS.h"
27 #endif
28 #include "RBCS_SIZE.h"
29 #include "RBCS_PARAMS.h"
30 #include "RBCS_FIELDS.h"
31
32 C !INPUT PARAMETERS: ===================================================
33 C bi,bj :: tile indices
34 C k :: vertical level index
35 C tracerNum :: tracer number (1=Temp, 2=Salt, >2 : ptracer)
36 C myTime :: current time
37 C myIter :: current timestep
38 C myThid :: my Thread Id number
39 INTEGER bi, bj, k
40 INTEGER tracerNum
41 _RL myTime
42 c INTEGER myIter
43 INTEGER myThid
44
45 C !LOCAL VARIABLES: ====================================================
46 C i,j :: loop indices
47 INTEGER i,j
48 #ifdef ALLOW_PTRACERS
49 INTEGER iTracer
50 INTEGER irbc
51 #endif
52 CEOP
53
54 #ifdef ALLOW_RBCS
55
56 #ifndef DISABLE_RBCS_MOM
57 IF ( tracerNum.EQ.-1 .AND. useRBCuVel ) THEN
58 DO j=0,sNy+1
59 DO i=0,sNx+1
60 gU(i,j,k,bi,bj) = gU(i,j,k,bi,bj)
61 & - RBC_maskU(i,j,k,bi,bj)/tauRelaxU
62 & *( uVel(i,j,k,bi,bj)- RBCuVel(i,j,k,bi,bj) )
63 c & *maskW(i,j,k,bi,bj)
64 ENDDO
65 ENDDO
66 ENDIF
67 IF ( tracerNum.EQ.-2 .AND. useRBCvVel ) THEN
68 DO j=0,sNy+1
69 DO i=0,sNx+1
70 gV(i,j,k,bi,bj) = gV(i,j,k,bi,bj)
71 & - RBC_maskV(i,j,k,bi,bj)/tauRelaxV
72 & *( vVel(i,j,k,bi,bj)- RBCvVel(i,j,k,bi,bj) )
73 c & *maskS(i,j,k,bi,bj)
74 ENDDO
75 ENDDO
76 ENDIF
77 #endif /* DISABLE_RBCS_MOM */
78
79 IF ( tracerNum.EQ.1 .AND. useRBCtemp ) THEN
80 DO j=1,sNy
81 DO i=1,sNx
82 gT(i,j,k,bi,bj) = gT(i,j,k,bi,bj)
83 & - RBC_mask(i,j,k,bi,bj,1)/tauRelaxT
84 & *( theta(i,j,k,bi,bj)- RBCtemp(i,j,k,bi,bj) )
85 c & *maskC(i,j,k,bi,bj)
86 ENDDO
87 ENDDO
88 ENDIF
89
90 IF ( tracerNum.EQ.2 .AND. useRBCsalt ) THEN
91 DO j=1,sNy
92 DO i=1,sNx
93 gS(i,j,k,bi,bj) = gS(i,j,k,bi,bj)
94 & - RBC_mask(i,j,k,bi,bj,2)/tauRelaxS
95 & *( salt(i,j,k,bi,bj)- RBCsalt(i,j,k,bi,bj) )
96 c & *maskC(i,j,k,bi,bj)
97 ENDDO
98 ENDDO
99 ENDIF
100
101 #ifdef ALLOW_PTRACERS
102 IF ( usePTRACERS .AND. tracerNum.GT.2 ) THEN
103 iTracer = tracerNum-2
104 irbc = MIN(maskLEN,tracerNum)
105 IF ( useRBCptrnum(iTracer) ) THEN
106 DO j=1,sNy
107 DO i=1,sNx
108 gPtr(i,j,k,bi,bj,iTracer) = gPtr(i,j,k,bi,bj,iTracer)
109 & - RBC_mask(i,j,k,bi,bj,irbc)/tauRelaxPTR(iTracer)
110 & *( pTracer(i,j,k,bi,bj,iTracer)
111 & - RBC_ptracers(i,j,k,bi,bj,iTracer) )
112 c & *maskC(i,j,k,bi,bj)
113 ENDDO
114 ENDDO
115 ENDIF
116 ENDIF
117 #endif /* ALLOW_PTRACERS */
118
119 #endif /* ALLOW_RBCS */
120
121 RETURN
122 END

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