1 |
C $Header: /u/gcmpack/MITgcm/pkg/shap_filt/shap_filt_apply_uv.F,v 1.9 2008/09/09 19:58:27 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 DIFFERENT_MULTIPLE |
48 |
EXTERNAL DIFFERENT_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 |
#ifdef ALLOW_DIAGNOSTICS |
58 |
LOGICAL DIAGNOSTICS_IS_ON |
59 |
EXTERNAL DIAGNOSTICS_IS_ON |
60 |
INTEGER bi, bj, k, i, j |
61 |
_RL dKE_shap(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
62 |
#endif /* ALLOW_DIAGNOSTICS */ |
63 |
|
64 |
CEOP |
65 |
|
66 |
IF (nShapUV.GT.0) THEN |
67 |
|
68 |
#ifdef USE_OLD_SHAPIRO_FILTERS |
69 |
_EXCH_XYZ_RL( uFld,myThid ) |
70 |
_EXCH_XYZ_RL( vFld,myThid ) |
71 |
|
72 |
DO bj=myByLo(myThid),myByHi(myThid) |
73 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
74 |
DO k=1, Nr |
75 |
CALL SHAP_FILT_U( uFld,bi,bj,k,myTime,myThid ) |
76 |
CALL SHAP_FILT_V( vFld,bi,bj,k,myTime,myThid ) |
77 |
ENDDO |
78 |
ENDDO |
79 |
ENDDO |
80 |
|
81 |
_EXCH_XYZ_RL( uFld,myThid ) |
82 |
_EXCH_XYZ_RL( vFld,myThid ) |
83 |
#else |
84 |
IF ( momStepping .AND. nShapUV.GT.0) THEN |
85 |
IF (Shap_funct.EQ.1) THEN |
86 |
CALL SHAP_FILT_UV_S1( |
87 |
U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2, |
88 |
I Nr, myTime, myThid ) |
89 |
ELSEIF (Shap_funct.EQ.2 .OR. Shap_funct.EQ.20) THEN |
90 |
CALL SHAP_FILT_UV_S2( |
91 |
U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2, |
92 |
I Nr, myTime, myThid ) |
93 |
ELSEIF (Shap_funct.EQ.4) THEN |
94 |
CALL SHAP_FILT_UV_S4( |
95 |
U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2, |
96 |
I Nr, myTime, myThid ) |
97 |
c ELSEIF (Shap_funct.EQ.20) THEN |
98 |
c CALL SHAP_FILT_UV_S2G( |
99 |
c U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2, |
100 |
c I Nr, myTime, myThid ) |
101 |
ELSEIF (Shap_funct.EQ.21) THEN |
102 |
CALL SHAP_FILT_UV_S2C( |
103 |
U uFld, vFld, Shap_tmpFld1, Shap_tmpFld2, |
104 |
I Nr, myTime, myThid ) |
105 |
ELSE |
106 |
STOP 'SHAP_FILT_APPLY_UV: Ooops! Bad Shap_funct in UV block' |
107 |
ENDIF |
108 |
|
109 |
C----- Diagnostic of Shapiro Filter effect on Momentum : |
110 |
C Note: Shap_tmpFld1,2 from shap_filt_tracer_s2 (and not s1, s4) |
111 |
C are directly proportional to Delta-U,V due to the Filter |
112 |
IF ( Shap_funct.NE.1 .AND. Shap_funct.NE.4 .AND. |
113 |
& DIFFERENT_MULTIPLE(Shap_diagFreq,myTime,deltaTClock) |
114 |
& ) THEN |
115 |
_BARRIER |
116 |
WRITE(suff,'(I10.10)') myIter |
117 |
CALL WRITE_FLD_XYZ_RL( 'shap_dU.', suff, Shap_tmpFld1, |
118 |
& myIter,myThid) |
119 |
CALL WRITE_FLD_XYZ_RL( 'shap_dV.', suff, Shap_tmpFld2, |
120 |
& myIter,myThid) |
121 |
_BARRIER |
122 |
ENDIF |
123 |
|
124 |
#ifdef ALLOW_DIAGNOSTICS |
125 |
IF ( Shap_funct.NE.1 .AND. Shap_funct.NE.4 |
126 |
& .AND. useDiagnostics ) THEN |
127 |
CALL DIAGNOSTICS_FILL(Shap_tmpFld1,'SHAP_dU ',0,Nr, |
128 |
& 0,1,1,myThid) |
129 |
CALL DIAGNOSTICS_FILL(Shap_tmpFld2,'SHAP_dV ',0,Nr, |
130 |
& 0,1,1,myThid) |
131 |
IF ( DIAGNOSTICS_IS_ON('SHAP_dKE',myThid) ) THEN |
132 |
DO bj=myByLo(myThid),myByHi(myThid) |
133 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
134 |
DO k=1,Nr |
135 |
DO j=1,sNy |
136 |
DO i=1,sNx |
137 |
dKE_shap(i,j) = 0.25*( |
138 |
& ( |
139 |
& Shap_tmpFld1(i ,j,k,bi,bj)*uFld(i ,j,k,bi,bj) |
140 |
& *_hFacW(i ,j, k,bi,bj)*rAw(i ,j, bi,bj) |
141 |
& +Shap_tmpFld1(i+1,j,k,bi,bj)*uFld(i+1,j,k,bi,bj) |
142 |
& *_hFacW(i+1,j,k,bi,bj)*rAw(i+1,j,bi,bj) |
143 |
& ) |
144 |
& + ( |
145 |
& Shap_tmpFld2(i,j ,k,bi,bj)*vFld(i,j ,k,bi,bj) |
146 |
& *_hFacS(i,j ,k,bi,bj)*rAs(i,j ,bi,bj) |
147 |
& +Shap_tmpFld2(i,j+1,k,bi,bj)*vFld(i,j+1,k,bi,bj) |
148 |
& *_hFacS(i,j+1,k,bi,bj)*rAs(i,j+1,bi,bj) |
149 |
& ) ) * recip_rA(i,j,bi,bj) |
150 |
ENDDO |
151 |
ENDDO |
152 |
CALL DIAGNOSTICS_FILL(dKE_shap,'SHAP_dKE', |
153 |
& k,1,2,bi,bj,myThid) |
154 |
ENDDO |
155 |
ENDDO |
156 |
ENDDO |
157 |
ENDIF |
158 |
ENDIF |
159 |
#endif /* ALLOW_DIAGNOSTICS */ |
160 |
|
161 |
ENDIF |
162 |
|
163 |
#endif /* USE_OLD_SHAPIRO_FILTERS */ |
164 |
|
165 |
ENDIF |
166 |
#endif /* ALLOW_SHAP_FILT */ |
167 |
|
168 |
RETURN |
169 |
END |