/[MITgcm]/MITgcm/pkg/shap_filt/shap_filt_uv_s4.F
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Revision 1.3 - (show annotations) (download)
Mon Mar 4 01:32:55 2002 UTC (22 years, 2 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint51k_post, checkpoint62v, checkpoint47e_post, checkpoint57m_post, checkpoint52l_pre, checkpoint62u, hrcube4, hrcube5, checkpoint46l_post, checkpoint57g_pre, checkpoint46g_pre, checkpoint47c_post, checkpoint62t, checkpoint50c_post, checkpoint57s_post, checkpoint58b_post, checkpoint57b_post, checkpoint46f_post, checkpoint52d_pre, checkpoint57g_post, checkpoint48e_post, checkpoint56b_post, checkpoint50c_pre, checkpoint57y_post, checkpoint44f_post, checkpoint46b_post, checkpoint52j_pre, checkpoint51o_pre, checkpoint65z, checkpoint65x, checkpoint65y, checkpoint54d_post, checkpoint65r, checkpoint65s, checkpoint65p, checkpoint65q, checkpoint65v, checkpoint65w, checkpoint65t, checkpoint65u, checkpoint65j, checkpoint65k, checkpoint65h, checkpoint65i, checkpoint65n, checkpoint54e_post, checkpoint65l, checkpoint65m, checkpoint65b, checkpoint65c, checkpoint65a, checkpoint65f, checkpoint65g, checkpoint65d, checkpoint65e, checkpoint62c, checkpoint51l_post, checkpoint48i_post, checkpoint57r_post, checkpoint46l_pre, checkpoint57d_post, checkpoint57i_post, checkpoint52l_post, checkpoint52k_post, checkpoint59, checkpoint58, checkpoint55, checkpoint54, checkpoint57, checkpoint56, checkpoint51, checkpoint50, checkpoint53, checkpoint52, checkpoint50d_post, checkpoint58f_post, checkpoint52f_post, checkpoint57n_post, checkpoint58d_post, checkpoint62s, checkpoint58a_post, checkpoint62r, checkpoint62q, checkpoint50b_pre, checkpoint62p, checkpoint57z_post, checkpoint54f_post, checkpoint51f_post, checkpoint62a, checkpoint62g, checkpoint62f, checkpoint62e, checkpoint62d, checkpoint62k, checkpoint62j, checkpoint62i, checkpoint62h, checkpoint62o, checkpoint62n, checkpoint62m, checkpoint62l, checkpoint62w, checkpoint62z, checkpoint62y, checkpoint62x, checkpoint58y_post, checkpoint48b_post, checkpoint51d_post, checkpoint48c_pre, checkpoint47d_pre, checkpoint51t_post, checkpoint58t_post, checkpoint51n_post, checkpoint55i_post, checkpoint58m_post, checkpoint57l_post, checkpoint52i_pre, hrcube_1, hrcube_2, hrcube_3, checkpoint51s_post, checkpoint47a_post, checkpoint57t_post, checkpoint55c_post, checkpoint48d_pre, checkpoint51j_post, checkpoint47i_post, checkpoint63g, checkpoint52e_pre, checkpoint57v_post, checkpoint57f_post, checkpoint52e_post, checkpoint51n_pre, checkpoint47d_post, checkpoint53d_post, checkpoint46d_pre, checkpoint64, checkpoint65, checkpoint60, checkpoint61, checkpoint62, checkpoint63, checkpoint57a_post, checkpoint48d_post, checkpoint57h_pre, checkpoint66g, checkpoint66f, checkpoint66e, checkpoint66d, checkpoint66c, checkpoint66b, checkpoint66a, checkpoint66o, checkpoint66n, checkpoint66m, checkpoint66l, checkpoint66k, checkpoint66j, checkpoint66i, checkpoint66h, checkpoint48f_post, checkpoint45d_post, checkpoint52b_pre, checkpoint54b_post, checkpoint46j_pre, checkpoint58w_post, checkpoint57h_post, checkpoint51l_pre, checkpoint52m_post, checkpoint57y_pre, checkpoint55g_post, checkpoint44h_pre, checkpoint48h_post, checkpoint51q_post, checkpoint51b_pre, checkpoint46a_post, checkpoint47g_post, checkpoint52b_post, checkpoint52c_post, checkpoint46j_post, checkpoint51h_pre, checkpoint46k_post, checkpoint58o_post, checkpoint48a_post, checkpoint45a_post, checkpoint57c_post, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, checkpoint58p_post, checkpoint58q_post, checkpoint52f_pre, checkpoint55d_post, checkpoint58e_post, checkpoint47j_post, checkpoint54a_pre, checkpoint63p, checkpoint63q, checkpoint63r, checkpoint63s, checkpoint63l, checkpoint63m, checkpoint63n, checkpoint63o, checkpoint63h, checkpoint63i, checkpoint63j, checkpoint63k, checkpoint63d, checkpoint63e, checkpoint63f, checkpoint53c_post, checkpoint63a, checkpoint63b, checkpoint63c, checkpoint55d_pre, checkpoint57c_pre, checkpoint58r_post, checkpoint55j_post, branch-exfmods-tag, checkpoint44g_post, branchpoint-genmake2, checkpoint54a_post, checkpoint46e_pre, checkpoint55h_post, checkpoint58n_post, checkpoint51r_post, checkpoint48c_post, checkpoint45b_post, checkpoint46b_pre, checkpoint51i_post, checkpoint57e_post, checkpoint55b_post, checkpoint51b_post, checkpoint51c_post, checkpoint46c_pre, checkpoint53a_post, checkpoint46, checkpoint65o, checkpoint47b_post, checkpoint59q, checkpoint59p, checkpoint59r, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint55f_post, checkpoint59c, checkpoint59b, checkpoint59m, checkpoint59l, checkpoint59o, checkpoint59n, checkpoint59i, checkpoint59h, checkpoint59k, checkpoint46h_pre, checkpoint52d_post, checkpoint53g_post, checkpoint46m_post, checkpoint57p_post, checkpint57u_post, checkpoint46a_pre, checkpoint50g_post, checkpoint45c_post, checkpoint57q_post, checkpoint44h_post, eckpoint57e_pre, checkpoint46g_post, checkpoint58k_post, checkpoint52a_pre, checkpoint62b, checkpoint58v_post, checkpoint50h_post, checkpoint52i_post, checkpoint50e_pre, checkpoint50i_post, checkpoint51i_pre, checkpoint52h_pre, checkpoint56a_post, checkpoint64y, checkpoint64x, checkpoint58l_post, checkpoint64z, checkpoint53f_post, checkpoint64q, checkpoint64p, checkpoint64s, checkpoint64r, checkpoint64u, checkpoint64t, checkpoint64w, checkpoint64v, checkpoint64i, checkpoint64h, checkpoint64k, checkpoint64j, checkpoint64m, checkpoint64l, checkpoint64o, checkpoint64n, checkpoint64a, checkpoint64c, checkpoint64b, checkpoint64e, checkpoint64d, checkpoint64g, checkpoint64f, checkpoint57h_done, checkpoint52j_post, checkpoint47f_post, checkpoint50e_post, checkpoint46i_post, checkpoint57j_post, checkpoint57f_pre, checkpoint61f, checkpoint46c_post, checkpoint58g_post, branch-netcdf, checkpoint50d_pre, checkpoint58x_post, checkpoint61n, checkpoint52n_post, checkpoint53b_pre, checkpoint46e_post, checkpoint59j, checkpoint58h_post, checkpoint56c_post, checkpoint58j_post, checkpoint51e_post, checkpoint57a_pre, checkpoint55a_post, checkpoint47, checkpoint45, checkpoint48, checkpoint49, checkpoint57o_post, checkpoint46h_post, checkpoint51o_post, checkpoint61q, checkpoint57k_post, checkpoint51f_pre, checkpoint48g_post, checkpoint53b_post, checkpoint47h_post, checkpoint52a_post, checkpoint57w_post, checkpoint61e, checkpoint44f_pre, checkpoint58i_post, checkpoint51g_post, ecco_c52_e35, checkpoint57x_post, checkpoint46d_post, checkpoint50b_post, checkpoint58c_post, checkpoint58u_post, checkpoint51m_post, checkpoint53d_pre, checkpoint58s_post, checkpoint55e_post, checkpoint61g, checkpoint61d, checkpoint54c_post, checkpoint61b, checkpoint61c, checkpoint61a, checkpoint51a_post, checkpoint61o, checkpoint61l, checkpoint61m, checkpoint61j, checkpoint61k, checkpoint61h, checkpoint61i, checkpoint61v, checkpoint61w, checkpoint61t, checkpoint61u, checkpoint61r, checkpoint61s, checkpoint61p, checkpoint51p_post, checkpoint61z, checkpoint61x, checkpoint61y, checkpoint51u_post, HEAD
Branch point for: branch-exfmods-curt, branch-genmake2, branch-nonh, tg2-branch, netcdf-sm0, checkpoint51n_branch
Changes since 1.2: +81 -55 lines
o parameter Shap_noSlip replace CPP option NO_SLIP_SHAP
o add filter time scale (missing in some Shap_filt S/R)
o add exchange at the end (missing in some Shapi_filt S/R)
o working arrays (in common block SHAP_FILT.h) become argument
  of Shap_filt S/R.  => Enable to filter 2D fields.

1 C $Header: /u/gcmpack/MITgcm/pkg/shap_filt/shap_filt_uv_s4.F,v 1.2 2001/05/29 14:01:40 adcroft Exp $
2 C $Name: $
3
4 #include "SHAP_FILT_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: SHAP_FILT_UV_S4
8 C !INTERFACE:
9 SUBROUTINE SHAP_FILT_UV_S4(
10 U uFld, vFld, tmpFldU, tmpFldV,
11 I kSize, myTime, myThid )
12 C !DESCRIPTION: \bv
13 C *==========================================================*
14 C | S/R SHAP_FILT_UV_S4
15 C | o Applies Shapiro filter to velocity field (u & v).
16 C | o use filtering function "S4" = [1 - d_xx^n][1- d_yy^n]
17 C | with no grid spacing (computational Filter) ;
18 C | include No-Slip option
19 C *==========================================================*
20 C \ev
21
22 C !USES:
23 IMPLICIT NONE
24
25 C == Global variables ===
26 #include "SIZE.h"
27 #include "EEPARAMS.h"
28 #include "PARAMS.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 tmpFldU :: working temporary array
37 C tmpFldV :: working temporary array
38 C kSize :: length of 3rd Dim : either =1 (2D field) or =Nr (3D field)
39 C myTime :: Current time in simulation
40 C myThid :: Thread number for this instance of SHAP_FILT_UV_S4
41 INTEGER kSize
42 _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,kSize,nSx,nSy)
43 _RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,kSize,nSx,nSy)
44 _RL tmpFldU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,kSize,nSx,nSy)
45 _RL tmpFldV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,kSize,nSx,nSy)
46 _RL myTime
47 INTEGER myThid
48
49 #ifdef ALLOW_SHAP_FILT
50
51 C !LOCAL VARIABLES:
52 C == Local variables ==
53 INTEGER bi,bj,k,i,j,N
54 _RL tmpGrdU(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
55 _RL tmpGrdV(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
56 _RL maskZj,maskZp
57 _RL noSlipFact
58 CEOP
59
60 noSlipFact = Shap_noSlip*2. _d 0
61
62 IF (nShapUV.gt.0) THEN
63
64 DO bj=myByLo(myThid),myByHi(myThid)
65 DO bi=myBxLo(myThid),myBxHi(myThid)
66 DO K=1,kSize
67 DO J=1-OLy,sNy+OLy
68 DO I=1-OLx,sNx+OLx
69 tmpFldU(i,j,k,bi,bj)=uFld(i,j,k,bi,bj)
70 & *_maskW(i,j,k,bi,bj)
71 tmpFldV(i,j,k,bi,bj)=vFld(i,j,k,bi,bj)
72 & *_maskS(i,j,k,bi,bj)
73 ENDDO
74 ENDDO
75 ENDDO
76 ENDDO
77 ENDDO
78
79
80 C d_xx^n tmpFld
81
82 DO N=1,nShapUV
83
84 IF (kSize.EQ.Nr) THEN
85 CALL EXCH_UV_XYZ_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
86 ELSE
87 CALL EXCH_UV_XY_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
88 ENDIF
89
90 DO bj=myByLo(myThid),myByHi(myThid)
91 DO bi=myBxLo(myThid),myBxHi(myThid)
92 DO K=1,kSize
93
94 C Uxx
95 DO J=1,sNy
96 DO I=1,sNx+1
97 tmpGrdU(i,j) = -0.25*(
98 & tmpFldU(i-1,j,k,bi,bj) + tmpFldU(i+1,j,k,bi,bj)
99 & - 2.*tmpFldU(i,j,k,bi,bj)
100 & )*_maskW(i,j,k,bi,bj)
101 ENDDO
102 ENDDO
103
104 DO J=1,sNy
105 DO I=1,sNx+1
106 tmpFldU(i,j,k,bi,bj) = tmpGrdU(i,j)
107 ENDDO
108 ENDDO
109
110 C Vyy
111 DO J=1,sNy+1
112 DO I=1,sNx
113 tmpGrdV(i,j) = -0.25*(
114 & tmpFldV(i,j-1,k,bi,bj) + tmpFldV(i,j+1,k,bi,bj)
115 & - 2.*tmpFldV(i,j,k,bi,bj)
116 & )*_maskS(i,j,k,bi,bj)
117 ENDDO
118 ENDDO
119
120 DO J=1,sNy+1
121 DO I=1,sNx
122 tmpFldV(i,j,k,bi,bj) = tmpGrdV(i,j)
123 ENDDO
124 ENDDO
125
126 ENDDO
127 ENDDO
128 ENDDO
129
130 ENDDO
131
132 C F <- [1 - d_xx^n *deltaT/tau].F
133 DO bj=myByLo(myThid),myByHi(myThid)
134 DO bi=myBxLo(myThid),myBxHi(myThid)
135 DO K=1,kSize
136 DO J=1,sNy
137 DO I=1,sNx+1
138 uFld(i,j,k,bi,bj)=uFld(i,j,k,bi,bj)
139 & -tmpFldU(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
140 tmpFldU(i,j,k,bi,bj)=uFld(i,j,k,bi,bj)
141 ENDDO
142 ENDDO
143 DO J=1,sNy+1
144 DO I=1,sNx
145 vFld(i,j,k,bi,bj)=vFld(i,j,k,bi,bj)
146 & -tmpFldV(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
147 tmpFldV(i,j,k,bi,bj)=vFld(i,j,k,bi,bj)
148 ENDDO
149 ENDDO
150 ENDDO
151 ENDDO
152 ENDDO
153
154
155 C d_yy^n tmpFld
156
157 DO N=1,nShapUV
158
159 IF (kSize.EQ.Nr) THEN
160 CALL EXCH_UV_XYZ_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
161 ELSE
162 CALL EXCH_UV_XY_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
163 ENDIF
164
165 DO bj=myByLo(myThid),myByHi(myThid)
166 DO bi=myBxLo(myThid),myBxHi(myThid)
167 DO K=1,kSize
168
169 C Uyy
170 DO J=1,sNy
171 DO I=1,sNx+1
172 maskZj=_maskS(i-1, j ,k,bi,bj)
173 & *_maskS( i , j ,k,bi,bj)
174 maskZp=_maskS(i-1,j+1,k,bi,bj)
175 & *_maskS( i ,j+1,k,bi,bj)
176 tmpGrdU(i,j) = -0.25*(
177 & (tmpFldU(i,j+1,k,bi,bj)-tmpFldU(i, j ,k,bi,bj))*maskZp
178 & -(tmpFldU(i, j ,k,bi,bj)-tmpFldU(i,j-1,k,bi,bj))*maskZj
179 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldU(i,j,k,bi,bj)
180 & )*_maskW(i,j,k,bi,bj)
181 ENDDO
182 ENDDO
183
184 IF (useCubedSphereExchange) THEN
185 J=1
186 DO I=1,sNx+1,sNx
187 maskZj=maskS(i-1, j ,k,bi,bj)*maskS( i , j ,k,bi,bj)
188 maskZp=maskS(i-1,j+1,k,bi,bj)*maskS( i ,j+1,k,bi,bj)
189 tmpGrdU(i,j) = -0.25*(
190 & (tmpFldU(i,j+1,k,bi,bj)-tmpFldU(i, j ,k,bi,bj))*maskZp
191 & -(tmpFldU(i, j ,k,bi,bj)-0*tmpFldU(i,j-1,k,bi,bj))*maskZj
192 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldU(i,j,k,bi,bj)
193 & )*_maskW(i,j,k,bi,bj)
194 ENDDO
195 J=sNy
196 DO I=1,sNx+1,sNx
197 maskZj=maskS(i-1, j ,k,bi,bj)*maskS( i , j ,k,bi,bj)
198 maskZp=maskS(i-1,j+1,k,bi,bj)*maskS( i ,j+1,k,bi,bj)
199 tmpGrdU(i,j) = -0.25*(
200 & (0*tmpFldU(i,j+1,k,bi,bj)-tmpFldU(i, j ,k,bi,bj))*maskZp
201 & -(tmpFldU(i, j ,k,bi,bj)-tmpFldU(i,j-1,k,bi,bj))*maskZj
202 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldU(i,j,k,bi,bj)
203 & )*_maskW(i,j,k,bi,bj)
204 ENDDO
205 ENDIF
206
207 DO J=1,sNy
208 DO I=1,sNx+1
209 tmpFldU(i,j,k,bi,bj) = tmpGrdU(i,j)
210 ENDDO
211 ENDDO
212
213 C Vxx
214 DO J=1,sNy+1
215 DO I=1,sNx
216 maskZj=_maskW( i ,j-1,k,bi,bj)
217 & *_maskW( i , j ,k,bi,bj)
218 maskZp=_maskW(i+1,j-1,k,bi,bj)
219 & *_maskW(i+1, j ,k,bi,bj)
220 tmpGrdV(i,j) = -0.25*(
221 & (tmpFldV(i+1,j,k,bi,bj)-tmpFldV( i ,j,k,bi,bj))*maskZp
222 & -(tmpFldV( i ,j,k,bi,bj)-tmpFldV(i-1,j,k,bi,bj))*maskZj
223 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldV(i,j,k,bi,bj)
224 & )*_maskS(i,j,k,bi,bj)
225 ENDDO
226 ENDDO
227
228 IF (useCubedSphereExchange) THEN
229 DO J=1,sNy+1,sNy
230 I=1
231 maskZj=maskW( i ,j-1,k,bi,bj)*maskW( i , j ,k,bi,bj)
232 maskZp=maskW(i+1,j-1,k,bi,bj)*maskW(i+1, j ,k,bi,bj)
233 tmpGrdV(i,j) = -0.25*(
234 & (tmpFldV(i+1,j,k,bi,bj)-tmpFldV( i ,j,k,bi,bj))*maskZp
235 & -(tmpFldV( i ,j,k,bi,bj)-0*tmpFldV(i-1,j,k,bi,bj))*maskZj
236 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldV(i,j,k,bi,bj)
237 & -2.*(2.-maskZj-maskZp)*tmpFldV(i,j,k,bi,bj)
238 & )*_maskS(i,j,k,bi,bj)
239 ENDDO
240 DO J=1,sNy+1,sNy
241 I=sNx
242 maskZj=maskW( i ,j-1,k,bi,bj)*maskW( i , j ,k,bi,bj)
243 maskZp=maskW(i+1,j-1,k,bi,bj)*maskW(i+1, j ,k,bi,bj)
244 tmpGrdV(i,j) = -0.25*(
245 & (0*tmpFldV(i+1,j,k,bi,bj)-tmpFldV( i ,j,k,bi,bj))*maskZp
246 & -(tmpFldV( i ,j,k,bi,bj)-tmpFldV(i-1,j,k,bi,bj))*maskZj
247 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldV(i,j,k,bi,bj)
248 & )*_maskS(i,j,k,bi,bj)
249 ENDDO
250 ENDIF
251
252 DO J=1,sNy+1
253 DO I=1,sNx
254 tmpFldV(i,j,k,bi,bj) = tmpGrdV(i,j)
255 ENDDO
256 ENDDO
257
258 ENDDO
259 ENDDO
260 ENDDO
261
262 ENDDO
263
264 C F <- [1 - d_yy^n *deltaT/tau].F
265 DO bj=myByLo(myThid),myByHi(myThid)
266 DO bi=myBxLo(myThid),myBxHi(myThid)
267 DO K=1,kSize
268 DO J=1,sNy
269 DO I=1,sNx+1
270 uFld(i,j,k,bi,bj)=uFld(i,j,k,bi,bj)
271 & -tmpFldU(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
272 ENDDO
273 ENDDO
274 DO J=1,sNy+1
275 DO I=1,sNx
276 vFld(i,j,k,bi,bj)=vFld(i,j,k,bi,bj)
277 & -tmpFldV(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
278 ENDDO
279 ENDDO
280 ENDDO
281 ENDDO
282 ENDDO
283
284 IF (kSize.EQ.Nr) THEN
285 CALL EXCH_UV_XYZ_RL(uFld,vFld,.TRUE.,myThid)
286 ELSEIF (kSize.EQ.1) THEN
287 CALL EXCH_UV_XY_RL(uFld,vFld,.TRUE.,myThid)
288 ELSE
289 STOP 'S/R SHAP_FILT_UV_S4: kSize is wrong'
290 ENDIF
291
292 ENDIF
293 #endif /* ALLOW_SHAP_FILT */
294
295 RETURN
296 END

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