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source: palm/trunk/SOURCE/inflow_turbulence.f90 @ 4692

Last change on this file since 4692 was 4646, checked in by raasch, 4 years ago
files re-formatted to follow the PALM coding standard
Property svn:keywords set to `Id`
File size: 12.8 KB

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1	!> @file inflow_turbulence.f90
2	!--------------------------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General
6	! Public License as published by the Free Software Foundation, either version 3 of the License, or
7	! (at your option) any later version.
8	!
9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
10	! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
11	! Public License for more details.
12	!
13	! You should have received a copy of the GNU General Public License along with PALM. If not, see
14	! <http://www.gnu.org/licenses/>.
15	!
16	! Copyright 1997-2020 Leibniz Universitaet Hannover
17	!--------------------------------------------------------------------------------------------------!
18	!
19	! Current revisions:
20	! -----------------
21	!
22	!
23	! Former revisions:
24	! -----------------
25	! $Id: inflow_turbulence.f90 4646 2020-08-24 16:02:40Z maronga $
26	! file re-formatted to follow the PALM coding standard
27	!
28	! 4429 2020-02-27 15:24:30Z raasch
29	! bugfix: cpp-directives added for serial mode
30	!
31	! 4360 2020-01-07 11:25:50Z suehring
32	! use y_shift instead of old parameter recycling_yshift
33	!
34	! 4297 2019-11-21 10:37:50Z oliver.maas
35	! changed recycling_yshift so that the y-shift can be a multiple of PE instead of y-shift of a half
36	! domain width
37	!
38	! 4183 2019-08-23 07:33:16Z oliver.maas
39	! simplified steering of recycling of absolute values by initialization parameter
40	! recycling_method_for_thermodynamic_quantities
41	!
42	! 4182 2019-08-22 15:20:23Z scharf
43	! Corrected "Former revisions" section
44	!
45	! 4172 2019-08-20 11:55:33Z oliver.maas
46	! added optional recycling of absolute values for pt and q
47	!
48	! 3655 2019-01-07 16:51:22Z knoop
49	! Corrected "Former revisions" section
50	!
51	! Initial version (2008/03/07)
52	!
53	! Description:
54	! ------------
55	!> Imposing turbulence at the respective inflow using the turbulence recycling method of
56	!> Kataoka and Mizuno (2002).
57	!--------------------------------------------------------------------------------------------------!
58	SUBROUTINE inflow_turbulence
59
60
61	USE arrays_3d, &
62	ONLY: e, inflow_damping_factor, mean_inflow_profiles, pt, q, s, u, v, w
63
64	#if defined( __parallel )
65	USE control_parameters, &
66	ONLY: humidity, passive_scalar, recycling_method_for_thermodynamic_quantities, &
67	recycling_plane, y_shift
68
69	#else
70	USE control_parameters, &
71	ONLY: humidity, passive_scalar, recycling_method_for_thermodynamic_quantities, &
72	recycling_plane
73
74	#endif
75
76	USE cpulog, &
77	ONLY: cpu_log, log_point
78
79	USE indices, &
80	ONLY: nbgp, nxl, ny, nyn, nys, nyng, nysg, nzb, nzt
81
82	USE kinds
83
84	USE pegrid
85
86
87	IMPLICIT NONE
88
89	INTEGER(iwp) :: i !< loop index
90	INTEGER(iwp) :: j !< loop index
91	INTEGER(iwp) :: k !< loop index
92	INTEGER(iwp) :: l !< loop index
93	INTEGER(iwp) :: ngp_ifd !< number of grid points stored in avpr
94	INTEGER(iwp) :: ngp_pr !< number of grid points stored in inflow_dist
95	#if defined( __parallel )
96	INTEGER(iwp) :: next !< ID of receiving PE for y-shift
97	INTEGER(iwp) :: prev !< ID of sending PE for y-shift
98	#endif
99
100	REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: avpr !< stores averaged profiles at recycling plane
101	REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: avpr_l !< auxiliary variable to calculate avpr
102
103	REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: inflow_dist !< turbulence signal of vars, added at inflow boundary
104	#if defined( __parallel )
105	REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: local_inflow_dist !< auxiliary variable for inflow_dist, used for y-shift
106	#endif
107
108	CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' )
109
110	!
111	!-- Carry out spanwise averaging in the recycling plane
112	avpr_l = 0.0_wp
113	ngp_pr = ( nzt - nzb + 2 ) * 7 * nbgp
114	ngp_ifd = ngp_pr * ( nyn - nys + 1 + 2 * nbgp )
115
116	!
117	!-- First, local averaging within the recycling domain
118	i = recycling_plane
119
120	#if defined( __parallel )
121	IF ( myidx == id_recycling ) THEN
122
123	DO l = 1, nbgp
124	DO j = nys, nyn
125	DO k = nzb, nzt + 1
126
127	avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i)
128	avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i)
129	avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i)
130	avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i)
131	avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i)
132	IF ( humidity ) avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
133	IF ( passive_scalar ) avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i)
134
135	ENDDO
136	ENDDO
137	i = i + 1
138	ENDDO
139
140	ENDIF
141	!
142	!-- Now, averaging over all PEs
143	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
144	CALL MPI_ALLREDUCE( avpr_l(nzb,1,1), avpr(nzb,1,1), ngp_pr, MPI_REAL, MPI_SUM, comm2d, ierr )
145
146	#else
147	DO l = 1, nbgp
148	DO j = nys, nyn
149	DO k = nzb, nzt + 1
150
151	avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i)
152	avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i)
153	avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i)
154	avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i)
155	avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i)
156	IF ( humidity ) avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
157	IF ( passive_scalar ) avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i)
158
159	ENDDO
160	ENDDO
161	i = i + 1
162	ENDDO
163
164	avpr = avpr_l
165	#endif
166
167	avpr = avpr / ( ny + 1 )
168	!
169	!-- Calculate the disturbances at the recycling plane for recycling of absolute quantities, the
170	!-- disturbance is defined as the absolute value (and not as the deviation from the mean profile).
171	i = recycling_plane
172
173	#if defined( __parallel )
174	IF ( myidx == id_recycling ) THEN
175	DO l = 1, nbgp
176	DO j = nysg, nyng
177	DO k = nzb, nzt + 1
178	inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l)
179	inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l)
180	inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l)
181	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
182	== 'turbulent_fluctuation' ) THEN
183	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
184	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
185	== 'absolute_value' ) THEN
186	inflow_dist(k,j,4,l) = pt(k,j,i)
187	ENDIF
188	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
189	IF ( humidity ) THEN
190	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
191	== 'turbulent_fluctuation' ) THEN
192	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
193	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
194	== 'absolute_value' ) THEN
195	inflow_dist(k,j,6,l) = q(k,j,i)
196	ENDIF
197	ENDIF
198	IF ( passive_scalar ) &
199	inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,l)
200	ENDDO
201	ENDDO
202	i = i + 1
203	ENDDO
204
205	ENDIF
206	#else
207	DO l = 1, nbgp
208	DO j = nysg, nyng
209	DO k = nzb, nzt+1
210	inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l)
211	inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l)
212	inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l)
213	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
214	== 'turbulent_fluctuation' ) THEN
215	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
216	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
217	== 'absolute_value' ) THEN
218	inflow_dist(k,j,4,l) = pt(k,j,i)
219	ENDIF
220	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
221	IF ( humidity ) THEN
222	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
223	== 'turbulent_fluctuation' ) THEN
224	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
225	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
226	== 'absolute_value' ) THEN
227	inflow_dist(k,j,6,l) = q(k,j,i)
228	ENDIF
229	ENDIF
230	IF ( passive_scalar ) &
231	inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,l)
232
233	ENDDO
234	ENDDO
235	i = i + 1
236	ENDDO
237	#endif
238
239	!
240	!-- For parallel runs, send the disturbances to the respective inflow PE
241	#if defined( __parallel )
242	IF ( myidx == id_recycling .AND. myidx /= id_inflow ) THEN
243
244	CALL MPI_SEND( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, id_inflow, 1, comm1dx, ierr )
245
246	ELSEIF ( myidx /= id_recycling .AND. myidx == id_inflow ) THEN
247
248	inflow_dist = 0.0_wp
249	CALL MPI_RECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, id_recycling, 1, comm1dx, &
250	status, ierr )
251
252	ENDIF
253
254	!
255	!-- y-shift for inflow_dist
256	!-- Shift inflow_dist in positive y direction by a number of
257	!-- PEs equal to y_shift
258	IF ( ( y_shift /= 0 ) .AND. myidx == id_inflow ) THEN
259
260	!
261	!-- Calculate the ID of the PE which sends data to this PE (prev) and of the PE which receives
262	!-- data from this PE (next).
263	prev = MODULO(myidy - y_shift , pdims(2))
264	next = MODULO(myidy + y_shift , pdims(2))
265
266	local_inflow_dist = 0.0_wp
267
268	CALL MPI_SENDRECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, next, 1, &
269	local_inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, prev, 1, comm1dy, &
270	status, ierr )
271
272	inflow_dist = local_inflow_dist
273
274	ENDIF
275
276	#endif
277
278	!
279	!-- Add the disturbance at the inflow
280	IF ( nxl == 0 ) THEN
281
282	DO j = nysg, nyng
283	DO k = nzb, nzt + 1
284
285	u(k,j,-nbgp+1:0) = mean_inflow_profiles(k,1) + &
286	inflow_dist(k,j,1,1:nbgp) * inflow_damping_factor(k)
287	v(k,j,-nbgp:-1) = mean_inflow_profiles(k,2) + &
288	inflow_dist(k,j,2,1:nbgp) * inflow_damping_factor(k)
289	w(k,j,-nbgp:-1) = inflow_dist(k,j,3,1:nbgp) * inflow_damping_factor(k)
290	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
291	== 'turbulent_fluctuation' ) THEN
292	pt(k,j,-nbgp:-1) = mean_inflow_profiles(k,4) + &
293	inflow_dist(k,j,4,1:nbgp) * inflow_damping_factor(k)
294	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
295	== 'absolute_value' ) THEN
296	pt(k,j,-nbgp:-1) = inflow_dist(k,j,4,1:nbgp)
297	ENDIF
298	e(k,j,-nbgp:-1) = mean_inflow_profiles(k,5) + &
299	inflow_dist(k,j,5,1:nbgp) * inflow_damping_factor(k)
300	e(k,j,-nbgp:-1) = MAX( e(k,j,-nbgp:-1), 0.0_wp )
301	IF ( humidity ) THEN
302	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
303	== 'turbulent_fluctuation' ) THEN
304	q(k,j,-nbgp:-1) = mean_inflow_profiles(k,6) + &
305	inflow_dist(k,j,6,1:nbgp) * inflow_damping_factor(k)
306	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
307	== 'absolute_value' ) THEN
308	q(k,j,-nbgp:-1) = inflow_dist(k,j,6,1:nbgp)
309	ENDIF
310	ENDIF
311	IF ( passive_scalar ) &
312	s(k,j,-nbgp:-1) = mean_inflow_profiles(k,7) + &
313	inflow_dist(k,j,7,1:nbgp) * inflow_damping_factor(k)
314
315	ENDDO
316	ENDDO
317
318	ENDIF
319
320
321	CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' )
322
323
324	END SUBROUTINE inflow_turbulence

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