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source: palm/trunk/SOURCE/inflow_turbulence.f90 @ 1686

Last change on this file since 1686 was 1683, checked in by knoop, 9 years ago
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1	!> @file inflow_turbulence.f90
2	!--------------------------------------------------------------------------------!
3	! This file is part of PALM.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the terms
6	! of the GNU General Public License as published by the Free Software Foundation,
7	! either version 3 of the License, or (at your option) any later version.
8	!
9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
10	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12	!
13	! You should have received a copy of the GNU General Public License along with
14	! PALM. If not, see <http://www.gnu.org/licenses/>.
15	!
16	! Copyright 1997-2014 Leibniz Universitaet Hannover
17	!--------------------------------------------------------------------------------!
18	!
19	! Current revisions:
20	! -----------------
21	!
22	!
23	! Former revisions:
24	! -----------------
25	! $Id: inflow_turbulence.f90 1683 2015-10-07 23:57:51Z raasch $
26	!
27	! 1682 2015-10-07 23:56:08Z knoop
28	! Code annotations made doxygen readable
29	!
30	! 1615 2015-07-08 18:49:19Z suehring
31	! Enable turbulent inflow for passive_scalar and humidity
32	!
33	! 1560 2015-03-06 10:48:54Z keck
34	! Option recycling_yshift added. If this option is switched on, the turbulence
35	! data, which is mapped from the recycling plane to the inflow, is shifted in
36	! y direction (by ny * dy / 2 )
37	!
38	! 1353 2014-04-08 15:21:23Z heinze
39	! REAL constants provided with KIND-attribute
40	!
41	! 1346 2014-03-27 13:18:20Z heinze
42	! Bugfix: REAL constants provided with KIND-attribute especially in call of
43	! intrinsic function like MAX, MIN, SIGN
44	!
45	! 1320 2014-03-20 08:40:49Z raasch
46	! ONLY-attribute added to USE-statements,
47	! kind-parameters added to all INTEGER and REAL declaration statements,
48	! kinds are defined in new module kinds,
49	! revision history before 2012 removed,
50	! comment fields (!:) to be used for variable explanations added to
51	! all variable declaration statements
52	!
53	! 1092 2013-02-02 11:24:22Z raasch
54	! unused variables removed
55	!
56	! 1036 2012-10-22 13:43:42Z raasch
57	! code put under GPL (PALM 3.9)
58	!
59	! Initial version (2008/03/07)
60	!
61	! Description:
62	! ------------
63	!> Imposing turbulence at the respective inflow using the turbulence
64	!> recycling method of Kataoka and Mizuno (2002).
65	!------------------------------------------------------------------------------!
66	SUBROUTINE inflow_turbulence
67
68
69	USE arrays_3d, &
70	ONLY: e, inflow_damping_factor, mean_inflow_profiles, pt, q, u, v, w
71
72	USE control_parameters, &
73	ONLY: humidity, passive_scalar, recycling_plane, recycling_yshift
74
75	USE cpulog, &
76	ONLY: cpu_log, log_point
77
78	USE grid_variables, &
79	ONLY:
80
81	USE indices, &
82	ONLY: nbgp, nxl, ny, nyn, nys, nyng, nysg, nzb, nzt
83
84	USE kinds
85
86	USE pegrid
87
88
89	IMPLICIT NONE
90
91	INTEGER(iwp) :: i !<
92	INTEGER(iwp) :: j !<
93	INTEGER(iwp) :: k !<
94	INTEGER(iwp) :: l !<
95	INTEGER(iwp) :: next !<
96	INTEGER(iwp) :: ngp_ifd !<
97	INTEGER(iwp) :: ngp_pr !<
98	INTEGER(iwp) :: prev !<
99
100	REAL(wp), DIMENSION(nzb:nzt+1,6,nbgp) :: &
101	avpr, avpr_l !<
102	REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,6,nbgp) :: &
103	inflow_dist, local_inflow_dist !<
104
105	CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' )
106
107	!
108	!-- Carry out spanwise averaging in the recycling plane
109	avpr_l = 0.0_wp
110	ngp_pr = ( nzt - nzb + 2 ) * 6 * nbgp
111	ngp_ifd = ngp_pr * ( nyn - nys + 1 + 2 * nbgp )
112
113	!
114	!-- First, local averaging within the recycling domain
115	i = recycling_plane
116
117	#if defined( __parallel )
118	IF ( myidx == id_recycling ) THEN
119
120	DO l = 1, nbgp
121	DO j = nys, nyn
122	DO k = nzb, nzt + 1
123
124	avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i)
125	avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i)
126	avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i)
127	avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i)
128	avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i)
129	IF ( humidity .OR. passive_scalar ) &
130	avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
131
132	ENDDO
133	ENDDO
134	i = i + 1
135	ENDDO
136
137	ENDIF
138	!
139	!-- Now, averaging over all PEs
140	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
141	CALL MPI_ALLREDUCE( avpr_l(nzb,1,1), avpr(nzb,1,1), ngp_pr, MPI_REAL, &
142	MPI_SUM, comm2d, ierr )
143
144	#else
145	DO l = 1, nbgp
146	DO j = nys, nyn
147	DO k = nzb, nzt + 1
148
149	avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i)
150	avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i)
151	avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i)
152	avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i)
153	avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i)
154	IF ( humidity .OR. passive_scalar ) &
155	avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
156
157	ENDDO
158	ENDDO
159	i = i + 1
160	ENDDO
161
162	avpr = avpr_l
163	#endif
164
165	avpr = avpr / ( ny + 1 )
166	!
167	!-- Calculate the disturbances at the recycling plane
168	i = recycling_plane
169
170	#if defined( __parallel )
171	IF ( myidx == id_recycling ) THEN
172	DO l = 1, nbgp
173	DO j = nysg, nyng
174	DO k = nzb, nzt + 1
175
176	inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l)
177	inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l)
178	inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l)
179	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
180	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
181	IF ( humidity .OR. passive_scalar ) &
182	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
183	ENDDO
184	ENDDO
185	i = i + 1
186	ENDDO
187
188	ENDIF
189	#else
190	DO l = 1, nbgp
191	DO j = nysg, nyng
192	DO k = nzb, nzt+1
193
194	inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l)
195	inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l)
196	inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l)
197	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
198	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
199	IF ( humidity .OR. passive_scalar ) &
200	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
201
202	ENDDO
203	ENDDO
204	i = i + 1
205	ENDDO
206	#endif
207
208	!
209	!-- For parallel runs, send the disturbances to the respective inflow PE
210	#if defined( __parallel )
211	IF ( myidx == id_recycling .AND. myidx /= id_inflow ) THEN
212
213	CALL MPI_SEND( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, &
214	id_inflow, 1, comm1dx, ierr )
215
216	ELSEIF ( myidx /= id_recycling .AND. myidx == id_inflow ) THEN
217
218	inflow_dist = 0.0_wp
219	CALL MPI_RECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, &
220	id_recycling, 1, comm1dx, status, ierr )
221
222	ENDIF
223
224
225	IF ( recycling_yshift .AND. myidx == id_inflow ) THEN
226
227	IF ( pdims(2) >= 2 ) THEN
228
229	IF ( myidy >= INT( pdims(2) / 2 ) ) THEN
230	prev = myidy - INT( pdims(2) / 2 )
231	ELSE
232	prev = pdims(2) - ( INT( pdims(2) / 2 ) - myidy )
233	ENDIF
234
235	IF ( myidy < pdims(2) - INT( pdims(2) / 2 ) ) THEN
236	next = myidy + INT( pdims(2) / 2 )
237	ELSE
238	next = INT( pdims(2) / 2 ) - ( pdims(2) - myidy )
239	ENDIF
240
241	ENDIF
242
243	local_inflow_dist = 0.0_wp
244
245	CALL MPI_SENDRECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, &
246	next, 1, local_inflow_dist(nzb,nysg,1,1), ngp_ifd, &
247	MPI_REAL, prev, 1, comm1dy, status, ierr )
248
249	ENDIF
250
251	#endif
252
253	!
254	!-- Add the disturbance at the inflow
255	IF ( nxl == 0 ) THEN
256
257	IF ( recycling_yshift ) THEN
258
259	DO j = nysg, nyng
260	DO k = nzb, nzt + 1
261
262	u(k,j,-nbgp+1:0) = mean_inflow_profiles(k,1) + &
263	local_inflow_dist(k,j,1,1:nbgp) * &
264	inflow_damping_factor(k)
265	v(k,j,-nbgp:-1) = mean_inflow_profiles(k,2) + &
266	local_inflow_dist(k,j,2,1:nbgp) * &
267	inflow_damping_factor(k)
268	w(k,j,-nbgp:-1) = &
269	local_inflow_dist(k,j,3,1:nbgp) * &
270	inflow_damping_factor(k)
271	pt(k,j,-nbgp:-1) = mean_inflow_profiles(k,4) + &
272	local_inflow_dist(k,j,4,1:nbgp) * &
273	inflow_damping_factor(k)
274	e(k,j,-nbgp:-1) = mean_inflow_profiles(k,5) + &
275	local_inflow_dist(k,j,5,1:nbgp) * &
276	inflow_damping_factor(k)
277	e(k,j,-nbgp:-1) = MAX( e(k,j,-nbgp:-1), 0.0_wp )
278
279	IF ( humidity .OR. passive_scalar ) &
280	q(k,j,-nbgp:-1) = mean_inflow_profiles(k,6) + &
281	local_inflow_dist(k,j,6,1:nbgp) * &
282	inflow_damping_factor(k)
283
284	ENDDO
285	ENDDO
286
287	ELSE
288
289	DO j = nysg, nyng
290	DO k = nzb, nzt + 1
291
292	u(k,j,-nbgp+1:0) = mean_inflow_profiles(k,1) + &
293	inflow_dist(k,j,1,1:nbgp) * inflow_damping_factor(k)
294	v(k,j,-nbgp:-1) = mean_inflow_profiles(k,2) + &
295	inflow_dist(k,j,2,1:nbgp) * inflow_damping_factor(k)
296	w(k,j,-nbgp:-1) = &
297	inflow_dist(k,j,3,1:nbgp) * inflow_damping_factor(k)
298	pt(k,j,-nbgp:-1) = mean_inflow_profiles(k,4) + &
299	inflow_dist(k,j,4,1:nbgp) * inflow_damping_factor(k)
300	e(k,j,-nbgp:-1) = mean_inflow_profiles(k,5) + &
301	inflow_dist(k,j,5,1:nbgp) * inflow_damping_factor(k)
302	e(k,j,-nbgp:-1) = MAX( e(k,j,-nbgp:-1), 0.0_wp )
303
304	IF ( humidity .OR. passive_scalar ) &
305	q(k,j,-nbgp:-1) = mean_inflow_profiles(k,6) + &
306	inflow_dist(k,j,6,1:nbgp) * inflow_damping_factor(k)
307
308	ENDDO
309	ENDDO
310
311	ENDIF
312
313	ENDIF
314
315
316	CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' )
317
318
319	END SUBROUTINE inflow_turbulence

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