/[MITgcm]/MITgcm/pkg/shap_filt/shap_filt_apply_uv.F
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Contents of /MITgcm/pkg/shap_filt/shap_filt_apply_uv.F

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Revision 1.5 - (show annotations) (download)
Wed Apr 6 18:46:54 2005 UTC (19 years, 2 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint57g_pre, checkpoint57g_post, checkpoint57f_post, checkpoint57h_pre, checkpoint57h_post
Changes since 1.4: +4 -4 lines
use baseTime as time origin ; DIFF_BASE_MULTIPLE replaces DIFFERENT_MULTIPLE

1 C $Header: /u/gcmpack/MITgcm/pkg/shap_filt/shap_filt_apply_uv.F,v 1.4 2005/02/15 01:51:24 jmc Exp $
2 C $Name: $
3
4 #include "SHAP_FILT_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: SHAP_FILT_APPLY_UV
8 C !INTERFACE:
9 SUBROUTINE SHAP_FILT_APPLY_UV(
10 U uFld, vFld,
11 I myTime, myIter, myThid )
12
13 C !DESCRIPTION: \bv
14 C *==========================================================*
15 C | S/R SHAP_FILT_cwAPPLY_UV
16 C | o Apply Shapiro filter on momentum :
17 C | filter the argments uFld & vFld.
18 C *==========================================================*
19 C \ev
20
21 C !USES:
22 IMPLICIT NONE
23
24 C == Global variables ===
25 #include "SIZE.h"
26 #include "EEPARAMS.h"
27 #include "PARAMS.h"
28 c #include "DYNVARS.h"
29 #include "GRID.h"
30 #include "SHAP_FILT.h"
31
32 C !INPUT/OUTPUT PARAMETERS:
33 C == Routine arguments ==
34 C uFld :: velocity field (U component) on which filter applies
35 C vFld :: velocity field (V component) on which filter applies
36 C myTime :: Current time in simulation
37 C myIter :: Current iteration number in simulation
38 C myThid :: Thread number for this instance of SHAP_FILT_APPLY_UV
39 _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
40 _RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
41 _RL myTime
42 INTEGER myIter
43 INTEGER myThid
44
45 #ifdef ALLOW_SHAP_FILT
46
47 LOGICAL DIFF_BASE_MULTIPLE
48 EXTERNAL DIFF_BASE_MULTIPLE
49
50 C !LOCAL VARIABLES:
51 C == Local variables ==
52 #ifdef USE_OLD_SHAPIRO_FILTERS
53 C bi,bj,k :: loop index
54 INTEGER bi, bj, k
55 #endif /* USE_OLD_SHAPIRO_FILTERS */
56 CHARACTER*(MAX_LEN_MBUF) suff
57
58 CEOP
59
60 IF (nShapUV.GT.0) THEN
61
62 #ifdef USE_OLD_SHAPIRO_FILTERS
63 _EXCH_XYZ_R8( uFld,myThid )
64 _EXCH_XYZ_R8( vFld,myThid )
65
66 DO bj=myByLo(myThid),myByHi(myThid)
67 DO bi=myBxLo(myThid),myBxHi(myThid)
68 DO k=1, Nr
69 CALL SHAP_FILT_U( uFld,bi,bj,k,myTime,myThid )
70 CALL SHAP_FILT_V( vFld,bi,bj,k,myTime,myThid )
71 ENDDO
72 ENDDO
73 ENDDO
74
75 _EXCH_XYZ_R8( uFld,myThid )
76 _EXCH_XYZ_R8( vFld,myThid )
77 #else
78 IF ( momStepping .AND. nShapUV.GT.0) THEN
79 IF (Shap_funct.EQ.1) THEN
80 CALL SHAP_FILT_UV_S1(
81 U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2,
82 I Nr, myTime, myThid )
83 ELSEIF (Shap_funct.EQ.2) THEN
84 CALL SHAP_FILT_UV_S2(
85 U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2,
86 I Nr, myTime, myThid )
87 ELSEIF (Shap_funct.EQ.4) THEN
88 CALL SHAP_FILT_UV_S4(
89 U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2,
90 I Nr, myTime, myThid )
91 ELSEIF (Shap_funct.EQ.20) THEN
92 CALL SHAP_FILT_UV_S2G(
93 U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2,
94 I Nr, myTime, myThid )
95 ELSEIF (Shap_funct.EQ.21) THEN
96 CALL SHAP_FILT_UV_S2C(
97 U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2,
98 I Nr, myTime, myThid )
99 ELSE
100 STOP 'SHAP_FILT_APPLY_UV: Ooops! Bad Shap_funct in UV block'
101 ENDIF
102
103 C----- Diagnostic of Shapiro Filter effect on Momentum :
104 C Note: Shap_tmpFld1,2 from shap_filt_tracer_s2 (and not s1, s4)
105 C are directly proportional to Delta-U,V due to the Filter
106 IF ( Shap_funct.NE.1 .AND. Shap_funct.NE.4 .AND.
107 & DIFF_BASE_MULTIPLE(baseTime,Shap_diagFreq,myTime,deltaTClock)
108 & ) THEN
109 _BARRIER
110 _BEGIN_MASTER( myThid )
111 WRITE(suff,'(I10.10)') myIter
112 CALL WRITE_FLD_XYZ_RL( 'shap_dU.', suff, Shap_tmpFld1,
113 & myIter,myThid)
114 CALL WRITE_FLD_XYZ_RL( 'shap_dV.', suff, Shap_tmpFld2,
115 & myIter,myThid)
116 _END_MASTER( myThid )
117 _BARRIER
118 ENDIF
119
120 #ifdef ALLOW_DIAGNOSTICS
121 IF ( Shap_funct.NE.1 .AND. Shap_funct.NE.4
122 & .AND. useDiagnostics ) THEN
123 CALL DIAGNOSTICS_FILL(Shap_tmpFld1,'SHAP_dU ',0,Nr,
124 & 0,1,1,myThid)
125 CALL DIAGNOSTICS_FILL(Shap_tmpFld2,'SHAP_dV ',0,Nr,
126 & 0,1,1,myThid)
127 ENDIF
128 #endif /* ALLOW_DIAGNOSTICS */
129
130 ENDIF
131
132 #endif /* USE_OLD_SHAPIRO_FILTERS */
133
134 ENDIF
135 #endif /* ALLOW_SHAP_FILT */
136
137 RETURN
138 END

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