/[MITgcm]/MITgcm/pkg/shap_filt/shap_filt_uv_s1.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: +84 -65 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_s1.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_S1
8 C !INTERFACE:
9 SUBROUTINE SHAP_FILT_UV_S1(
10 U uFld, vFld, tmpFldU, tmpFldV,
11 I kSize, myTime, myThid )
12 C !DESCRIPTION: \bv
13 C *==========================================================*
14 C | S/R SHAP_FILT_UV_S1
15 C | o Applies Shapiro filter to velocity field (u & v).
16 C | o use filtering function "S1" = [1 - d_xx^n - 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_S1
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 _RL tmpScal
59 CEOP
60
61 noSlipFact = Shap_noSlip*2. _d 0
62
63 IF (nShapUV.gt.0) THEN
64
65 DO bj=myByLo(myThid),myByHi(myThid)
66 DO bi=myBxLo(myThid),myBxHi(myThid)
67 DO K=1,kSize
68 DO J=1-OLy,sNy+OLy
69 DO I=1-OLx,sNx+OLx
70 tmpFldU(i,j,k,bi,bj)=uFld(i,j,k,bi,bj)
71 & *_maskW(i,j,k,bi,bj)
72 tmpFldV(i,j,k,bi,bj)=vFld(i,j,k,bi,bj)
73 & *_maskS(i,j,k,bi,bj)
74 ENDDO
75 ENDDO
76 ENDDO
77 ENDDO
78 ENDDO
79
80
81 C d_xx^n tmpFld
82
83 DO N=1,nShapUV
84
85 IF (kSize.EQ.Nr) THEN
86 CALL EXCH_UV_XYZ_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
87 ELSE
88 CALL EXCH_UV_XY_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
89 ENDIF
90
91 DO bj=myByLo(myThid),myByHi(myThid)
92 DO bi=myBxLo(myThid),myBxHi(myThid)
93 DO K=1,kSize
94
95 C Uxx
96 DO J=1,sNy
97 DO I=1,sNx+1
98 tmpGrdU(i,j) = -0.25*(
99 & tmpFldU(i-1,j,k,bi,bj) + tmpFldU(i+1,j,k,bi,bj)
100 & - 2.*tmpFldU(i,j,k,bi,bj)
101 & )*_maskW(i,j,k,bi,bj)
102 ENDDO
103 ENDDO
104
105 DO J=1,sNy
106 DO I=1,sNx+1
107 tmpFldU(i,j,k,bi,bj) = tmpGrdU(i,j)
108 ENDDO
109 ENDDO
110
111 C Vyy
112 DO J=1,sNy+1
113 DO I=1,sNx
114 tmpGrdV(i,j) = -0.25*(
115 & tmpFldV(i,j-1,k,bi,bj) + tmpFldV(i,j+1,k,bi,bj)
116 & - 2.*tmpFldV(i,j,k,bi,bj)
117 & )*_maskS(i,j,k,bi,bj)
118 ENDDO
119 ENDDO
120
121 DO J=1,sNy+1
122 DO I=1,sNx
123 tmpFldV(i,j,k,bi,bj) = tmpGrdV(i,j)
124 ENDDO
125 ENDDO
126
127 ENDDO
128 ENDDO
129 ENDDO
130
131 ENDDO
132
133 C F <- [1 - d_xx^n *deltaT/tau].F
134 DO bj=myByLo(myThid),myByHi(myThid)
135 DO bi=myBxLo(myThid),myBxHi(myThid)
136 DO K=1,kSize
137 DO J=1,sNy
138 DO I=1,sNx+1
139 tmpScal = uFld(i,j,k,bi,bj)
140 uFld(i,j,k,bi,bj) = uFld(i,j,k,bi,bj)
141 & -0.5*tmpFldU(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
142 tmpFldU(i,j,k,bi,bj) = tmpScal*_maskW(i,j,k,bi,bj)
143 ENDDO
144 ENDDO
145 DO J=1,sNy+1
146 DO I=1,sNx
147 tmpScal = vFld(i,j,k,bi,bj)
148 vFld(i,j,k,bi,bj) = vFld(i,j,k,bi,bj)
149 & -0.5*tmpFldV(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
150 tmpFldV(i,j,k,bi,bj) = tmpScal*_maskS(i,j,k,bi,bj)
151 ENDDO
152 ENDDO
153 ENDDO
154 ENDDO
155 ENDDO
156
157
158 C d_yy^n tmpFld
159
160 DO N=1,nShapUV
161
162 IF (kSize.EQ.Nr) THEN
163 CALL EXCH_UV_XYZ_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
164 ELSE
165 CALL EXCH_UV_XY_RL(tmpFldU,tmpFldV,.TRUE.,myThid)
166 ENDIF
167
168 DO bj=myByLo(myThid),myByHi(myThid)
169 DO bi=myBxLo(myThid),myBxHi(myThid)
170 DO K=1,kSize
171
172 C Uyy
173 DO J=1,sNy
174 DO I=1,sNx+1
175 maskZj=_maskS(i-1, j ,k,bi,bj)
176 & *_maskS( i , j ,k,bi,bj)
177 maskZp=_maskS(i-1,j+1,k,bi,bj)
178 & *_maskS( i ,j+1,k,bi,bj)
179 tmpGrdU(i,j) = -0.25*(
180 & (tmpFldU(i,j+1,k,bi,bj)-tmpFldU(i, j ,k,bi,bj))*maskZp
181 & -(tmpFldU(i, j ,k,bi,bj)-tmpFldU(i,j-1,k,bi,bj))*maskZj
182 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldU(i,j,k,bi,bj)
183 & )*_maskW(i,j,k,bi,bj)
184 ENDDO
185 ENDDO
186
187 IF (useCubedSphereExchange) THEN
188 DO I=1,sNx+1,sNx
189 J=1
190 maskZj=maskS(i-1, j ,k,bi,bj)*maskS( i , j ,k,bi,bj)
191 maskZp=maskS(i-1,j+1,k,bi,bj)*maskS( i ,j+1,k,bi,bj)
192 tmpGrdU(i,j) = -0.25*(
193 & (tmpFldU(i,j+1,k,bi,bj)-tmpFldU(i, j ,k,bi,bj))*maskZp
194 & -(tmpFldU(i, j ,k,bi,bj)-0*tmpFldU(i,j-1,k,bi,bj))*maskZj
195 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldU(i,j,k,bi,bj)
196 & )*_maskW(i,j,k,bi,bj)
197 J=sNy
198 maskZj=maskS(i-1, j ,k,bi,bj)*maskS( i , j ,k,bi,bj)
199 maskZp=maskS(i-1,j+1,k,bi,bj)*maskS( i ,j+1,k,bi,bj)
200 tmpGrdU(i,j) = -0.25*(
201 & (0*tmpFldU(i,j+1,k,bi,bj)-tmpFldU(i, j ,k,bi,bj))*maskZp
202 & -(tmpFldU(i, j ,k,bi,bj)-tmpFldU(i,j-1,k,bi,bj))*maskZj
203 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldU(i,j,k,bi,bj)
204 & )*_maskW(i,j,k,bi,bj)
205 ENDDO
206 ENDIF
207
208 DO J=1,sNy
209 DO I=1,sNx+1
210 tmpFldU(i,j,k,bi,bj) = tmpGrdU(i,j)
211 ENDDO
212 ENDDO
213
214 C Vxx
215 DO J=1,sNy+1
216 DO I=1,sNx
217 maskZj=_maskW( i ,j-1,k,bi,bj)
218 & *_maskW( i , j ,k,bi,bj)
219 maskZp=_maskW(i+1,j-1,k,bi,bj)
220 & *_maskW(i+1, j ,k,bi,bj)
221 tmpGrdV(i,j) = -0.25*(
222 & (tmpFldV(i+1,j,k,bi,bj)-tmpFldV( i ,j,k,bi,bj))*maskZp
223 & -(tmpFldV( i ,j,k,bi,bj)-tmpFldV(i-1,j,k,bi,bj))*maskZj
224 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldV(i,j,k,bi,bj)
225 & )*_maskS(i,j,k,bi,bj)
226 ENDDO
227 ENDDO
228
229 IF (useCubedSphereExchange) THEN
230 DO J=1,sNy+1,sNy
231 I=1
232 maskZj=maskW( i ,j-1,k,bi,bj)*maskW( i , j ,k,bi,bj)
233 maskZp=maskW(i+1,j-1,k,bi,bj)*maskW(i+1, j ,k,bi,bj)
234 tmpGrdV(i,j) = -0.25*(
235 & (tmpFldV(i+1,j,k,bi,bj)-tmpFldV( i ,j,k,bi,bj))*maskZp
236 & -(tmpFldV( i ,j,k,bi,bj)-0*tmpFldV(i-1,j,k,bi,bj))*maskZj
237 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldV(i,j,k,bi,bj)
238 & )*_maskS(i,j,k,bi,bj)
239 I=sNx
240 maskZj=maskW( i ,j-1,k,bi,bj)*maskW( i , j ,k,bi,bj)
241 maskZp=maskW(i+1,j-1,k,bi,bj)*maskW(i+1, j ,k,bi,bj)
242 tmpGrdV(i,j) = -0.25*(
243 & (0*tmpFldV(i+1,j,k,bi,bj)-tmpFldV( i ,j,k,bi,bj))*maskZp
244 & -(tmpFldV( i ,j,k,bi,bj)-tmpFldV(i-1,j,k,bi,bj))*maskZj
245 & -noSlipFact*(2.-maskZj-maskZp)*tmpFldV(i,j,k,bi,bj)
246 & )*_maskS(i,j,k,bi,bj)
247 ENDDO
248 ENDIF
249
250 DO J=1,sNy+1
251 DO I=1,sNx
252 tmpFldV(i,j,k,bi,bj) = tmpGrdV(i,j)
253 ENDDO
254 ENDDO
255
256 ENDDO
257 ENDDO
258 ENDDO
259
260 ENDDO
261
262 C F <- [1 - d_yy^n *deltaT/tau].F
263 DO bj=myByLo(myThid),myByHi(myThid)
264 DO bi=myBxLo(myThid),myBxHi(myThid)
265 DO K=1,kSize
266 DO J=1,sNy
267 DO I=1,sNx+1
268 uFld(i,j,k,bi,bj) = uFld(i,j,k,bi,bj)
269 & -0.5*tmpFldU(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
270 ENDDO
271 ENDDO
272 DO J=1,sNy+1
273 DO I=1,sNx
274 vFld(i,j,k,bi,bj) = vFld(i,j,k,bi,bj)
275 & -0.5*tmpFldV(i,j,k,bi,bj)*deltaTmom/Shap_uvtau
276 ENDDO
277 ENDDO
278 ENDDO
279 ENDDO
280 ENDDO
281
282 IF (kSize.EQ.Nr) THEN
283 CALL EXCH_UV_XYZ_RL(uFld,vFld,.TRUE.,myThid)
284 ELSEIF (kSize.EQ.1) THEN
285 CALL EXCH_UV_XY_RL(uFld,vFld,.TRUE.,myThid)
286 ELSE
287 STOP 'S/R SHAP_FILT_UV_S1: kSize is wrong'
288 ENDIF
289
290 ENDIF
291 #endif /* ALLOW_SHAP_FILT */
292
293 RETURN
294 END

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