1 |
C $Header: $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "CTRL_CPPOPTIONS.h" |
5 |
#ifdef ALLOW_OBCS |
6 |
# include "OBCS_OPTIONS.h" |
7 |
#endif |
8 |
|
9 |
|
10 |
subroutine ctrl_getobcsn( |
11 |
I mytime, |
12 |
I myiter, |
13 |
I mythid |
14 |
& ) |
15 |
|
16 |
c ================================================================== |
17 |
c SUBROUTINE ctrl_getobcsn |
18 |
c ================================================================== |
19 |
c |
20 |
c o Get northern obc of the control vector and add it |
21 |
c to dyn. fields |
22 |
c |
23 |
c started: heimbach@mit.edu, 29-Aug-2001 |
24 |
c |
25 |
c modified: gebbie@mit.edu, 18-Mar-2003 |
26 |
c ================================================================== |
27 |
c SUBROUTINE ctrl_getobcsn |
28 |
c ================================================================== |
29 |
|
30 |
implicit none |
31 |
|
32 |
#ifdef ALLOW_OBCSN_CONTROL |
33 |
|
34 |
c == global variables == |
35 |
|
36 |
#include "EEPARAMS.h" |
37 |
#include "SIZE.h" |
38 |
#include "PARAMS.h" |
39 |
#include "GRID.h" |
40 |
#include "OBCS.h" |
41 |
|
42 |
#include "ctrl.h" |
43 |
#include "ctrl_dummy.h" |
44 |
#include "optim.h" |
45 |
|
46 |
c == routine arguments == |
47 |
|
48 |
_RL mytime |
49 |
integer myiter |
50 |
integer mythid |
51 |
|
52 |
c == local variables == |
53 |
|
54 |
integer bi,bj |
55 |
integer i,j,k |
56 |
integer itlo,ithi |
57 |
integer jtlo,jthi |
58 |
integer jmin,jmax |
59 |
integer imin,imax |
60 |
integer ilobcsn |
61 |
integer iobcs |
62 |
integer jp1 |
63 |
|
64 |
_RL dummy |
65 |
_RL obcsnfac |
66 |
logical obcsnfirst |
67 |
logical obcsnchanged |
68 |
integer obcsncount0 |
69 |
integer obcsncount1 |
70 |
|
71 |
cgg _RL maskxz (1-olx:snx+olx,nr,nsx,nsy) |
72 |
|
73 |
logical doglobalread |
74 |
logical ladinit |
75 |
|
76 |
character*(80) fnameobcsn |
77 |
|
78 |
cgg( Variables for splitting barotropic/baroclinic vels. |
79 |
_RL vbaro |
80 |
_RL vtop |
81 |
|
82 |
c == external functions == |
83 |
|
84 |
integer ilnblnk |
85 |
external ilnblnk |
86 |
|
87 |
|
88 |
c == end of interface == |
89 |
|
90 |
jtlo = mybylo(mythid) |
91 |
jthi = mybyhi(mythid) |
92 |
itlo = mybxlo(mythid) |
93 |
ithi = mybxhi(mythid) |
94 |
cgg jmin = 1-oly |
95 |
cgg jmax = sny+oly |
96 |
cgg imin = 1-olx |
97 |
cgg imax = snx+olx |
98 |
|
99 |
jmin = 1 |
100 |
jmax = sny |
101 |
imin = 1 |
102 |
imax = snx |
103 |
jp1 = 0 |
104 |
|
105 |
cgg( Initialize variables for balancing volume flux. |
106 |
vbaro = 0.d0 |
107 |
vtop = 0.d0 |
108 |
cgg) |
109 |
|
110 |
c-- Now, read the control vector. |
111 |
doglobalread = .false. |
112 |
ladinit = .false. |
113 |
|
114 |
if (optimcycle .ge. 0) then |
115 |
ilobcsn=ilnblnk( xx_obcsn_file ) |
116 |
write(fnameobcsn(1:80),'(2a,i10.10)') |
117 |
& xx_obcsn_file(1:ilobcsn), '.', optimcycle |
118 |
endif |
119 |
|
120 |
c-- Get the counters, flags, and the interpolation factor. |
121 |
call ctrl_get_gen_rec( |
122 |
I xx_obcsnstartdate, xx_obcsnperiod, |
123 |
O obcsnfac, obcsnfirst, obcsnchanged, |
124 |
O obcsncount0,obcsncount1, |
125 |
I mytime, myiter, mythid ) |
126 |
|
127 |
do iobcs = 1,nobcs |
128 |
if ( obcsnfirst ) then |
129 |
call active_read_xz( fnameobcsn, tmpfldxz, |
130 |
& (obcsncount0-1)*nobcs+iobcs, |
131 |
& doglobalread, ladinit, optimcycle, |
132 |
& mythid, xx_obcsn_dummy ) |
133 |
|
134 |
#ifdef ALLOW_CTRL_OBCS_BALANCE |
135 |
|
136 |
if ( optimcycle .gt. 0) then |
137 |
if (iobcs .eq. 3) then |
138 |
cgg Special attention is needed for the normal velocity. |
139 |
cgg For the north, this is the v velocity, iobcs = 4. |
140 |
cgg This is done on a columnwise basis here. |
141 |
do bj = jtlo,jthi |
142 |
do bi = itlo, ithi |
143 |
do i = imin,imax |
144 |
|
145 |
cgg The barotropic velocity is stored in the level 1. |
146 |
vbaro = tmpfldxz(i,1,bi,bj) |
147 |
cgg Except for the special point which balances barotropic vol.flux. |
148 |
cgg Special column in the NW corner. |
149 |
j = OB_Jn(I,bi,bj) |
150 |
if (ob_iw(j,bi,bj).eq.(i-1).and. |
151 |
& ob_iw(j,bi,bj).ne. 0) then |
152 |
print*,'Apply shiftvel1 @ i,j' |
153 |
print*,shiftvel(1),i,j |
154 |
vbaro = shiftvel(1) |
155 |
endif |
156 |
tmpfldxz(i,1,bi,bj) = 0.d0 |
157 |
vtop = 0.d0 |
158 |
|
159 |
do k = 1,Nr |
160 |
cgg If cells are not full, this should be modified with hFac. |
161 |
cgg |
162 |
cgg The xx field (tmpfldxz) does not contain the velocity at the |
163 |
cgg surface level. This velocity is not independent; it must |
164 |
cgg exactly balance the volume flux, since we are dealing with |
165 |
cgg the baroclinic velocity structure.. |
166 |
vtop = tmpfldxz(i,k,bi,bj)* |
167 |
& maskS(i,j+jp1,k,bi,bj) * delR(k) + vtop |
168 |
cgg Add the barotropic velocity component. |
169 |
if (maskS(i,j+jp1,k,bi,bj) .ne. 0.) then |
170 |
tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
171 |
endif |
172 |
enddo |
173 |
cgg Compute the baroclinic velocity at level 1. Should balance flux. |
174 |
tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
175 |
& - vtop / delR(1) |
176 |
enddo |
177 |
enddo |
178 |
enddo |
179 |
endif |
180 |
|
181 |
if (iobcs .eq. 4) then |
182 |
cgg Special attention is needed for the normal velocity. |
183 |
cgg For the north, this is the v velocity, iobcs = 4. |
184 |
cgg This is done on a columnwise basis here. |
185 |
do bj = jtlo,jthi |
186 |
do bi = itlo, ithi |
187 |
do i = imin,imax |
188 |
|
189 |
cgg The barotropic velocity is stored in the level 1. |
190 |
vbaro = tmpfldxz(i,1,bi,bj) |
191 |
cgg Except for the special point which balances barotropic vol.flux. |
192 |
cgg Special column in the NW corner. |
193 |
j = OB_Jn(I,bi,bj) |
194 |
tmpfldxz(i,1,bi,bj) = 0.d0 |
195 |
vtop = 0.d0 |
196 |
|
197 |
do k = 1,Nr |
198 |
cgg If cells are not full, this should be modified with hFac. |
199 |
cgg |
200 |
cgg The xx field (tmpfldxz) does not contain the velocity at the |
201 |
cgg surface level. This velocity is not independent; it must |
202 |
cgg exactly balance the volume flux, since we are dealing with |
203 |
cgg the baroclinic velocity structure.. |
204 |
vtop = tmpfldxz(i,k,bi,bj)* |
205 |
& maskW(i,j,k,bi,bj) * delR(k) + vtop |
206 |
cgg Add the barotropic velocity component. |
207 |
if (maskW(i,j,k,bi,bj) .ne. 0.) then |
208 |
tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
209 |
endif |
210 |
enddo |
211 |
cgg Compute the baroclinic velocity at level 1. Should balance flux. |
212 |
tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
213 |
& - vtop / delR(1) |
214 |
enddo |
215 |
enddo |
216 |
enddo |
217 |
endif |
218 |
|
219 |
endif |
220 |
|
221 |
#endif /* ALLOW_CTRL_OBCS_BALANCE */ |
222 |
|
223 |
do bj = jtlo,jthi |
224 |
do bi = itlo,ithi |
225 |
do k = 1,nr |
226 |
do i = imin,imax |
227 |
xx_obcsn1(i,k,bi,bj,iobcs) = tmpfldxz (i,k,bi,bj) |
228 |
cgg & * maskxz (i,k,bi,bj) |
229 |
enddo |
230 |
enddo |
231 |
enddo |
232 |
enddo |
233 |
endif |
234 |
|
235 |
if ( (obcsnfirst) .or. (obcsnchanged)) then |
236 |
|
237 |
do bj = jtlo,jthi |
238 |
do bi = itlo,ithi |
239 |
do k = 1,nr |
240 |
do i = imin,imax |
241 |
tmpfldxz(i,k,bi,bj) = xx_obcsn1(i,k,bi,bj,iobcs) |
242 |
enddo |
243 |
enddo |
244 |
enddo |
245 |
enddo |
246 |
|
247 |
call exf_swapffields_xz( tmpfldxz2, tmpfldxz, mythid) |
248 |
|
249 |
do bj = jtlo,jthi |
250 |
do bi = itlo,ithi |
251 |
do k = 1,nr |
252 |
do i = imin,imax |
253 |
xx_obcsn0(i,k,bi,bj,iobcs) = tmpfldxz2(i,k,bi,bj) |
254 |
enddo |
255 |
enddo |
256 |
enddo |
257 |
enddo |
258 |
|
259 |
call active_read_xz( fnameobcsn, tmpfldxz, |
260 |
& (obcsncount1-1)*nobcs+iobcs, |
261 |
& doglobalread, ladinit, optimcycle, |
262 |
& mythid, xx_obcsn_dummy ) |
263 |
|
264 |
#ifdef ALLOW_CTRL_OBCS_BALANCE |
265 |
|
266 |
if ( optimcycle .gt. 0) then |
267 |
if (iobcs .eq. 3) then |
268 |
cgg Special attention is needed for the normal velocity. |
269 |
cgg For the north, this is the v velocity, iobcs = 3. |
270 |
cgg This is done on a columnwise basis here. |
271 |
do bj = jtlo,jthi |
272 |
do bi = itlo, ithi |
273 |
do i = imin,imax |
274 |
|
275 |
cgg The barotropic velocity is stored in the level 1. |
276 |
vbaro = tmpfldxz(i,1,bi,bj) |
277 |
cgg Except for the special point which balances barotropic vol.flux. |
278 |
cgg Special column in the NW corner. |
279 |
j = OB_Jn(I,bi,bj) |
280 |
if (ob_iw(j,bi,bj).eq.(i-1).and. |
281 |
& ob_iw(j,bi,bj).ne. 0) then |
282 |
print*,'correct vbaro',vbaro |
283 |
print*,'Apply shiftvel2 @ i,j' |
284 |
print*,shiftvel(2),i,j |
285 |
vbaro = shiftvel(2) |
286 |
endif |
287 |
tmpfldxz(i,1,bi,bj) = 0.d0 |
288 |
vtop = 0.d0 |
289 |
|
290 |
do k = 1,Nr |
291 |
cgg If cells are not full, this should be modified with hFac. |
292 |
cgg |
293 |
cgg The xx field (tmpfldxz) does not contain the velocity at the |
294 |
cgg surface level. This velocity is not independent; it must |
295 |
cgg exactly balance the volume flux, since we are dealing with |
296 |
cgg the baroclinic velocity structure.. |
297 |
vtop = tmpfldxz(i,k,bi,bj)* |
298 |
& maskS(i,j+jp1,k,bi,bj) * delR(k) + vtop |
299 |
cgg Add the barotropic velocity component. |
300 |
if (maskS(i,j+jp1,k,bi,bj) .ne. 0.) then |
301 |
tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
302 |
endif |
303 |
enddo |
304 |
cgg Compute the baroclinic velocity at level 1. Should balance flux. |
305 |
tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
306 |
& - vtop / delR(1) |
307 |
enddo |
308 |
enddo |
309 |
enddo |
310 |
endif |
311 |
if (iobcs .eq. 4) then |
312 |
cgg Special attention is needed for the normal velocity. |
313 |
cgg For the north, this is the v velocity, iobcs = 3. |
314 |
cgg This is done on a columnwise basis here. |
315 |
do bj = jtlo,jthi |
316 |
do bi = itlo, ithi |
317 |
do i = imin,imax |
318 |
|
319 |
cgg The barotropic velocity is stored in the level 1. |
320 |
vbaro = tmpfldxz(i,1,bi,bj) |
321 |
cgg Except for the special point which balances barotropic vol.flux. |
322 |
cgg Special column in the NW corner. |
323 |
j = OB_Jn(I,bi,bj) |
324 |
tmpfldxz(i,1,bi,bj) = 0.d0 |
325 |
vtop = 0.d0 |
326 |
|
327 |
do k = 1,Nr |
328 |
cgg If cells are not full, this should be modified with hFac. |
329 |
cgg |
330 |
cgg The xx field (tmpfldxz) does not contain the velocity at the |
331 |
cgg surface level. This velocity is not independent; it must |
332 |
cgg exactly balance the volume flux, since we are dealing with |
333 |
cgg the baroclinic velocity structure.. |
334 |
vtop = tmpfldxz(i,k,bi,bj)* |
335 |
& maskW(i,j,k,bi,bj) * delR(k) + vtop |
336 |
cgg Add the barotropic velocity component. |
337 |
if (maskW(i,j,k,bi,bj) .ne. 0.) then |
338 |
tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
339 |
endif |
340 |
enddo |
341 |
cgg Compute the baroclinic velocity at level 1. Should balance flux. |
342 |
tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
343 |
& - vtop / delR(1) |
344 |
enddo |
345 |
enddo |
346 |
enddo |
347 |
endif |
348 |
endif |
349 |
|
350 |
#endif /* ALLOW_CTRL_OBCS_BALANCE */ |
351 |
|
352 |
do bj = jtlo,jthi |
353 |
do bi = itlo,ithi |
354 |
do k = 1,nr |
355 |
do i = imin,imax |
356 |
xx_obcsn1 (i,k,bi,bj,iobcs) = tmpfldxz (i,k,bi,bj) |
357 |
cgg & * maskxz (i,k,bi,bj) |
358 |
enddo |
359 |
enddo |
360 |
enddo |
361 |
enddo |
362 |
|
363 |
endif |
364 |
|
365 |
c-- Add control to model variable. |
366 |
do bj = jtlo,jthi |
367 |
do bi = itlo,ithi |
368 |
c-- Calculate mask for tracer cells (0 => land, 1 => water). |
369 |
do k = 1,nr |
370 |
do i = 1,snx |
371 |
j = OB_Jn(I,bi,bj) |
372 |
if (iobcs .EQ. 1) then |
373 |
OBNt(i,k,bi,bj) = OBNt (i,k,bi,bj) |
374 |
& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
375 |
& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
376 |
OBNt(i,k,bi,bj) = OBNt(i,k,bi,bj) |
377 |
& *maskS(i,j+jp1,k,bi,bj) |
378 |
cgg & *maskxz(i,k,bi,bj) |
379 |
else if (iobcs .EQ. 2) then |
380 |
OBNs(i,k,bi,bj) = OBNs (i,k,bi,bj) |
381 |
& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
382 |
& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
383 |
OBNs(i,k,bi,bj) = OBNs(i,k,bi,bj) |
384 |
& *maskS(i,j+jp1,k,bi,bj) |
385 |
cgg & *maskxz(i,k,bi,bj) |
386 |
else if (iobcs .EQ. 4) then |
387 |
OBNu(i,k,bi,bj) = OBNu (i,k,bi,bj) |
388 |
& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
389 |
& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
390 |
OBNu(i,k,bi,bj) = OBNu(i,k,bi,bj) |
391 |
& *maskW(i,j,k,bi,bj) |
392 |
cgg & *maskxz(i,k,bi,bj) |
393 |
else if (iobcs .EQ. 3) then |
394 |
OBNv(i,k,bi,bj) = OBNv (i,k,bi,bj) |
395 |
& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
396 |
& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
397 |
OBNv(i,k,bi,bj) = OBNv(i,k,bi,bj) |
398 |
& *maskS(i,j+jp1,k,bi,bj) |
399 |
cgg & *maskxz(i,k,bi,bj) |
400 |
endif |
401 |
enddo |
402 |
enddo |
403 |
enddo |
404 |
enddo |
405 |
|
406 |
C-- End over iobcs loop |
407 |
enddo |
408 |
|
409 |
#else /* ALLOW_OBCSN_CONTROL undefined */ |
410 |
|
411 |
c == routine arguments == |
412 |
|
413 |
_RL mytime |
414 |
integer myiter |
415 |
integer mythid |
416 |
|
417 |
c-- CPP flag ALLOW_OBCSN_CONTROL undefined. |
418 |
|
419 |
#endif /* ALLOW_OBCSN_CONTROL */ |
420 |
|
421 |
end |
422 |
|
423 |
|
424 |
|
425 |
|
426 |
|