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source: palm/trunk/SOURCE/inflow_turbulence.f90 @ 4578

Last change on this file since 4578 was 4429, checked in by raasch, 5 years ago
serial (non-MPI) test case added, several bugfixes for the serial mode
Property svn:keywords set to `Id`
File size: 12.7 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
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 1997-2020 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: inflow_turbulence.f90 4429 2020-02-27 15:24:30Z gronemeier $
27	! bugfix: cpp-directives added for serial mode
28	!
29	! 4360 2020-01-07 11:25:50Z suehring
30	! use y_shift instead of old parameter recycling_yshift
31	!
32	! 4297 2019-11-21 10:37:50Z oliver.maas
33	! changed recycling_yshift so that the y-shift can be a multiple of PE
34	! instead of y-shift of a half domain width
35	!
36	! 4183 2019-08-23 07:33:16Z oliver.maas
37	! simplified steering of recycling of absolute values by initialization
38	! parameter recycling_method_for_thermodynamic_quantities
39	!
40	! 4182 2019-08-22 15:20:23Z scharf
41	! Corrected "Former revisions" section
42	!
43	! 4172 2019-08-20 11:55:33Z oliver.maas
44	! added optional recycling of absolute values for pt and q
45	!
46	! 3655 2019-01-07 16:51:22Z knoop
47	! Corrected "Former revisions" section
48	!
49	! Initial version (2008/03/07)
50	!
51	! Description:
52	! ------------
53	!> Imposing turbulence at the respective inflow using the turbulence
54	!> recycling method of Kataoka and Mizuno (2002).
55	!------------------------------------------------------------------------------!
56	SUBROUTINE inflow_turbulence
57
58
59	USE arrays_3d, &
60	ONLY: e, inflow_damping_factor, mean_inflow_profiles, pt, q, s, u, v, w
61
62	#if defined( __parallel )
63	USE control_parameters, &
64	ONLY: humidity, passive_scalar, recycling_plane, y_shift, &
65	recycling_method_for_thermodynamic_quantities
66	#else
67	USE control_parameters, &
68	ONLY: humidity, passive_scalar, recycling_plane, &
69	recycling_method_for_thermodynamic_quantities
70	#endif
71
72	USE cpulog, &
73	ONLY: cpu_log, log_point
74
75	USE indices, &
76	ONLY: nbgp, nxl, ny, nyn, nys, nyng, nysg, nzb, nzt
77
78	USE kinds
79
80	USE pegrid
81
82
83	IMPLICIT NONE
84
85	INTEGER(iwp) :: i !< loop index
86	INTEGER(iwp) :: j !< loop index
87	INTEGER(iwp) :: k !< loop index
88	INTEGER(iwp) :: l !< loop index
89	INTEGER(iwp) :: ngp_ifd !< number of grid points stored in avpr
90	INTEGER(iwp) :: ngp_pr !< number of grid points stored in inflow_dist
91	#if defined( __parallel )
92	INTEGER(iwp) :: next !< ID of receiving PE for y-shift
93	INTEGER(iwp) :: prev !< ID of sending PE for y-shift
94	#endif
95
96	REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: &
97	avpr !< stores averaged profiles at recycling plane
98	REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: &
99	avpr_l !< auxiliary variable to calculate avpr
100	REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: &
101	inflow_dist !< turbulence signal of vars, added at inflow boundary
102	#if defined( __parallel )
103	REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: &
104	local_inflow_dist !< auxiliary variable for inflow_dist, used for y-shift
105	#endif
106
107	CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' )
108
109	!
110	!-- Carry out spanwise averaging in the recycling plane
111	avpr_l = 0.0_wp
112	ngp_pr = ( nzt - nzb + 2 ) * 7 * nbgp
113	ngp_ifd = ngp_pr * ( nyn - nys + 1 + 2 * nbgp )
114
115	!
116	!-- First, local averaging within the recycling domain
117	i = recycling_plane
118
119	#if defined( __parallel )
120	IF ( myidx == id_recycling ) THEN
121
122	DO l = 1, nbgp
123	DO j = nys, nyn
124	DO k = nzb, nzt + 1
125
126	avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i)
127	avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i)
128	avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i)
129	avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i)
130	avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i)
131	IF ( humidity ) &
132	avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
133	IF ( passive_scalar ) &
134	avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i)
135
136	ENDDO
137	ENDDO
138	i = i + 1
139	ENDDO
140
141	ENDIF
142	!
143	!-- Now, averaging over all PEs
144	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
145	CALL MPI_ALLREDUCE( avpr_l(nzb,1,1), avpr(nzb,1,1), ngp_pr, MPI_REAL, &
146	MPI_SUM, comm2d, ierr )
147
148	#else
149	DO l = 1, nbgp
150	DO j = nys, nyn
151	DO k = nzb, nzt + 1
152
153	avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i)
154	avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i)
155	avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i)
156	avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i)
157	avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i)
158	IF ( humidity ) &
159	avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
160	IF ( passive_scalar ) &
161	avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i)
162
163	ENDDO
164	ENDDO
165	i = i + 1
166	ENDDO
167
168	avpr = avpr_l
169	#endif
170
171	avpr = avpr / ( ny + 1 )
172	!
173	!-- Calculate the disturbances at the recycling plane
174	!-- for recycling of absolute quantities, the disturbance is defined as the absolute value
175	!-- (and not as the deviation from the mean profile)
176	i = recycling_plane
177
178	#if defined( __parallel )
179	IF ( myidx == id_recycling ) THEN
180	DO l = 1, nbgp
181	DO j = nysg, nyng
182	DO k = nzb, nzt + 1
183	inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l)
184	inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l)
185	inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l)
186	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
187	== 'turbulent_fluctuation' ) THEN
188	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
189	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
190	== 'absolute_value' ) THEN
191	inflow_dist(k,j,4,l) = pt(k,j,i)
192	ENDIF
193	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
194	IF ( humidity ) THEN
195	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
196	== 'turbulent_fluctuation' ) THEN
197	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
198	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
199	== 'absolute_value' ) THEN
200	inflow_dist(k,j,6,l) = q(k,j,i)
201	ENDIF
202	ENDIF
203	IF ( passive_scalar ) &
204	inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,l)
205	ENDDO
206	ENDDO
207	i = i + 1
208	ENDDO
209
210	ENDIF
211	#else
212	DO l = 1, nbgp
213	DO j = nysg, nyng
214	DO k = nzb, nzt+1
215	inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l)
216	inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l)
217	inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l)
218	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
219	== 'turbulent_fluctuation' ) THEN
220	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
221	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
222	== 'absolute_value' ) THEN
223	inflow_dist(k,j,4,l) = pt(k,j,i)
224	ENDIF
225	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
226	IF ( humidity ) THEN
227	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
228	== 'turbulent_fluctuation' ) THEN
229	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
230	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
231	== 'absolute_value' ) THEN
232	inflow_dist(k,j,6,l) = q(k,j,i)
233	ENDIF
234	ENDIF
235	IF ( passive_scalar ) &
236	inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,l)
237
238	ENDDO
239	ENDDO
240	i = i + 1
241	ENDDO
242	#endif
243
244	!
245	!-- For parallel runs, send the disturbances to the respective inflow PE
246	#if defined( __parallel )
247	IF ( myidx == id_recycling .AND. myidx /= id_inflow ) THEN
248
249	CALL MPI_SEND( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, &
250	id_inflow, 1, comm1dx, ierr )
251
252	ELSEIF ( myidx /= id_recycling .AND. myidx == id_inflow ) THEN
253
254	inflow_dist = 0.0_wp
255	CALL MPI_RECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, &
256	id_recycling, 1, comm1dx, status, ierr )
257
258	ENDIF
259
260	!
261	!-- y-shift for inflow_dist
262	!-- Shift inflow_dist in positive y direction by a number of
263	!-- PEs equal to y_shift
264	IF ( ( y_shift /= 0 ) .AND. myidx == id_inflow ) THEN
265
266	!
267	!-- Calculate the ID of the PE which sends data to this PE (prev) and of the
268	!-- PE which receives data from this PE (next).
269	prev = MODULO(myidy - y_shift , pdims(2))
270	next = MODULO(myidy + y_shift , pdims(2))
271
272	local_inflow_dist = 0.0_wp
273
274	CALL MPI_SENDRECV( inflow_dist(nzb,nysg,1,1), ngp_ifd, MPI_REAL, &
275	next, 1, local_inflow_dist(nzb,nysg,1,1), ngp_ifd, &
276	MPI_REAL, prev, 1, comm1dy, status, ierr )
277
278	inflow_dist = local_inflow_dist
279
280	ENDIF
281
282	#endif
283
284	!
285	!-- Add the disturbance at the inflow
286	IF ( nxl == 0 ) THEN
287
288	DO j = nysg, nyng
289	DO k = nzb, nzt + 1
290
291	u(k,j,-nbgp+1:0) = mean_inflow_profiles(k,1) + &
292	inflow_dist(k,j,1,1:nbgp) * inflow_damping_factor(k)
293	v(k,j,-nbgp:-1) = mean_inflow_profiles(k,2) + &
294	inflow_dist(k,j,2,1:nbgp) * inflow_damping_factor(k)
295	w(k,j,-nbgp:-1) = &
296	inflow_dist(k,j,3,1:nbgp) * inflow_damping_factor(k)
297	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
298	== 'turbulent_fluctuation' ) THEN
299	pt(k,j,-nbgp:-1) = mean_inflow_profiles(k,4) + &
300	inflow_dist(k,j,4,1:nbgp) * inflow_damping_factor(k)
301	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
302	== 'absolute_value' ) THEN
303	pt(k,j,-nbgp:-1) = inflow_dist(k,j,4,1:nbgp)
304	ENDIF
305	e(k,j,-nbgp:-1) = mean_inflow_profiles(k,5) + &
306	inflow_dist(k,j,5,1:nbgp) * inflow_damping_factor(k)
307	e(k,j,-nbgp:-1) = MAX( e(k,j,-nbgp:-1), 0.0_wp )
308	IF ( humidity ) THEN
309	IF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
310	== 'turbulent_fluctuation' ) THEN
311	q(k,j,-nbgp:-1) = mean_inflow_profiles(k,6) + &
312	inflow_dist(k,j,6,1:nbgp) * inflow_damping_factor(k)
313	ELSEIF ( TRIM( recycling_method_for_thermodynamic_quantities ) &
314	== 'absolute_value' ) THEN
315	q(k,j,-nbgp:-1) = inflow_dist(k,j,6,1:nbgp)
316	ENDIF
317	ENDIF
318	IF ( passive_scalar ) &
319	s(k,j,-nbgp:-1) = mean_inflow_profiles(k,7) + &
320	inflow_dist(k,j,7,1:nbgp) * inflow_damping_factor(k)
321
322	ENDDO
323	ENDDO
324
325	ENDIF
326
327
328	CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' )
329
330
331	END SUBROUTINE inflow_turbulence

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