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source: palm/trunk/SOURCE/inflow_turbulence.f90 @ 4180

Last change on this file since 4180 was 4180, checked in by scharf, 5 years ago
removed comments in 'Former revisions' section that are older than 01.01.2019
Property svn:keywords set to `Id`
File size: 10.7 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 1997-2019 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: inflow_turbulence.f90 4180 2019-08-21 14:37:54Z scharf $
27	! added optional recycling of absolute values for pt and q
28	!
29	! 3655 2019-01-07 16:51:22Z knoop
30	! Corrected "Former revisions" section
31	!
32	!
33	! Description:
34	! ------------
35	!> Imposing turbulence at the respective inflow using the turbulence
36	!> recycling method of Kataoka and Mizuno (2002).
37	!------------------------------------------------------------------------------!
38	SUBROUTINE inflow_turbulence
39
40
41	USE arrays_3d, &
42	ONLY: e, inflow_damping_factor, mean_inflow_profiles, pt, q, s, u, v, w
43
44	USE control_parameters, &
45	ONLY: humidity, passive_scalar, recycling_plane, recycling_yshift, raq
46
47	USE cpulog, &
48	ONLY: cpu_log, log_point
49
50	USE indices, &
51	ONLY: nbgp, nxl, ny, nyn, nys, nyng, nysg, nzb, nzt
52
53	USE kinds
54
55	USE pegrid
56
57
58	IMPLICIT NONE
59
60	INTEGER(iwp) :: i !< loop index
61	INTEGER(iwp) :: j !< loop index
62	INTEGER(iwp) :: k !< loop index
63	INTEGER(iwp) :: l !< loop index
64	INTEGER(iwp) :: next !< ID of receiving PE for y-shift
65	INTEGER(iwp) :: ngp_ifd !< number of grid points stored in avpr
66	INTEGER(iwp) :: ngp_pr !< number of grid points stored in inflow_dist
67	INTEGER(iwp) :: prev !< ID of sending PE for y-shift
68
69	REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: &
70	avpr !< stores averaged profiles at recycling plane
71	REAL(wp), DIMENSION(nzb:nzt+1,7,nbgp) :: &
72	avpr_l !< auxiliary variable to calculate avpr
73	REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: &
74	inflow_dist !< turbulence signal of vars, added at inflow boundary
75	REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,7,nbgp) :: &
76	local_inflow_dist !< auxiliary variable for inflow_dist, used for yshift
77
78	CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' )
79
80	!
81	!-- Carry out spanwise averaging in the recycling plane
82	avpr_l = 0.0_wp
83	ngp_pr = ( nzt - nzb + 2 ) * 7 * nbgp
84	ngp_ifd = ngp_pr * ( nyn - nys + 1 + 2 * nbgp )
85
86	!
87	!-- First, local averaging within the recycling domain
88	i = recycling_plane
89
90	#if defined( __parallel )
91	IF ( myidx == id_recycling ) THEN
92
93	DO l = 1, nbgp
94	DO j = nys, nyn
95	DO k = nzb, nzt + 1
96
97	avpr_l(k,1,l) = avpr_l(k,1,l) + u(k,j,i)
98	avpr_l(k,2,l) = avpr_l(k,2,l) + v(k,j,i)
99	avpr_l(k,3,l) = avpr_l(k,3,l) + w(k,j,i)
100	avpr_l(k,4,l) = avpr_l(k,4,l) + pt(k,j,i)
101	avpr_l(k,5,l) = avpr_l(k,5,l) + e(k,j,i)
102	IF ( humidity ) &
103	avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
104	IF ( passive_scalar ) &
105	avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i)
106
107	ENDDO
108	ENDDO
109	i = i + 1
110	ENDDO
111
112	ENDIF
113	!
114	!-- Now, averaging over all PEs
115	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
116	CALL MPI_ALLREDUCE( avpr_l(nzb,1,1), avpr(nzb,1,1), ngp_pr, MPI_REAL, &
117	MPI_SUM, comm2d, ierr )
118
119	#else
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 ) &
130	avpr_l(k,6,l) = avpr_l(k,6,l) + q(k,j,i)
131	IF ( passive_scalar ) &
132	avpr_l(k,7,l) = avpr_l(k,7,l) + s(k,j,i)
133
134	ENDDO
135	ENDDO
136	i = i + 1
137	ENDDO
138
139	avpr = avpr_l
140	#endif
141
142	avpr = avpr / ( ny + 1 )
143	!
144	!-- Calculate the disturbances at the recycling plane
145	!-- for recycling of absolute quantities, the disturbance is defined as the absolute value
146	!-- (and not as the deviation from the mean profile)
147	i = recycling_plane
148
149	#if defined( __parallel )
150	IF ( myidx == id_recycling ) THEN
151	DO l = 1, nbgp
152	DO j = nysg, nyng
153	DO k = nzb, nzt + 1
154
155	inflow_dist(k,j,1,l) = u(k,j,i+1) - avpr(k,1,l)
156	inflow_dist(k,j,2,l) = v(k,j,i) - avpr(k,2,l)
157	inflow_dist(k,j,3,l) = w(k,j,i) - avpr(k,3,l)
158	IF ( raq(4) ) THEN
159	inflow_dist(k,j,4,l) = pt(k,j,i)
160	ELSE
161	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
162	ENDIF
163	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
164	IF ( humidity ) THEN
165	IF ( raq(6) ) THEN
166	inflow_dist(k,j,6,l) = q(k,j,i)
167	ELSE
168	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
169	ENDIF
170	ENDIF
171	IF ( passive_scalar ) &
172	inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,l)
173	ENDDO
174	ENDDO
175	i = i + 1
176	ENDDO
177
178	ENDIF
179	#else
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 ( raq(4) ) THEN
187	inflow_dist(k,j,4,l) = pt(k,j,i)
188	ELSE
189	inflow_dist(k,j,4,l) = pt(k,j,i) - avpr(k,4,l)
190	ENDIF
191	inflow_dist(k,j,5,l) = e(k,j,i) - avpr(k,5,l)
192	IF ( humidity ) THEN
193	IF ( raq(6) ) THEN
194	inflow_dist(k,j,6,l) = q(k,j,i)
195	ELSE
196	inflow_dist(k,j,6,l) = q(k,j,i) - avpr(k,6,l)
197	ENDIF
198	ENDIF
199	IF ( passive_scalar ) &
200	inflow_dist(k,j,7,l) = s(k,j,i) - avpr(k,7,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	!-- y-shift for inflow_dist
226	!-- Shift inflow_dist in positive y direction by a distance of INT( npey / 2 )
227	IF ( recycling_yshift .AND. myidx == id_inflow ) THEN
228	!
229	!-- Calculate the ID of the PE which sends data to this PE (prev) and of the
230	!-- PE which receives data from this PE (next).
231	IF ( myidy >= INT( pdims(2) / 2 ) ) THEN
232	prev = myidy - INT( pdims(2) / 2 )
233	ELSE
234	prev = pdims(2) - ( INT( pdims(2) / 2 ) - myidy )
235	ENDIF
236
237	IF ( myidy < pdims(2) - INT( pdims(2) / 2 ) ) THEN
238	next = myidy + INT( pdims(2) / 2 )
239	ELSE
240	next = INT( pdims(2) / 2 ) - ( pdims(2) - myidy )
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	inflow_dist = local_inflow_dist
250
251	ENDIF
252
253	#endif
254
255	!
256	!-- Add the disturbance at the inflow
257	IF ( nxl == 0 ) 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	inflow_dist(k,j,1,1:nbgp) * inflow_damping_factor(k)
264	v(k,j,-nbgp:-1) = mean_inflow_profiles(k,2) + &
265	inflow_dist(k,j,2,1:nbgp) * inflow_damping_factor(k)
266	w(k,j,-nbgp:-1) = &
267	inflow_dist(k,j,3,1:nbgp) * inflow_damping_factor(k)
268	IF ( raq(4) ) THEN
269	pt(k,j,-nbgp:-1) = inflow_dist(k,j,4,1:nbgp)
270	ELSE
271	pt(k,j,-nbgp:-1) = mean_inflow_profiles(k,4) + &
272	inflow_dist(k,j,4,1:nbgp) * inflow_damping_factor(k)
273	ENDIF
274	e(k,j,-nbgp:-1) = mean_inflow_profiles(k,5) + &
275	inflow_dist(k,j,5,1:nbgp) * inflow_damping_factor(k)
276	e(k,j,-nbgp:-1) = MAX( e(k,j,-nbgp:-1), 0.0_wp )
277
278	IF ( humidity ) THEN
279	IF ( raq(6) ) THEN
280	q(k,j,-nbgp:-1) = inflow_dist(k,j,6,1:nbgp)
281	ELSE
282	q(k,j,-nbgp:-1) = mean_inflow_profiles(k,6) + &
283	inflow_dist(k,j,6,1:nbgp) * inflow_damping_factor(k)
284	ENDIF
285	ENDIF
286	IF ( passive_scalar ) &
287	s(k,j,-nbgp:-1) = mean_inflow_profiles(k,7) + &
288	inflow_dist(k,j,7,1:nbgp) * inflow_damping_factor(k)
289	ENDDO
290	ENDDO
291
292	ENDIF
293
294
295	CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' )
296
297
298	END SUBROUTINE inflow_turbulence

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