source: palm/trunk/SOURCE/swap_timelevel.f90 @ 2716

Last change on this file since 2716 was 2716, checked in by kanani, 4 years ago

Correction of "Former revisions" section

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1!> @file swap_timelevel.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 1997-2017 Leibniz Universitaet Hannover
18!------------------------------------------------------------------------------!
19!
20! Current revisions:
21! -----------------
22!
23!
24! Former revisions:
25! -----------------
26! $Id: swap_timelevel.f90 2716 2017-12-29 16:35:59Z kanani $
27! Corrected "Former revisions" section
28!
29! 2696 2017-12-14 17:12:51Z kanani
30! Change in file header (GPL part)
31! Moved TKE to turbulence_closure_mod (TG)
32! Implementation of chemistry module (FK)
33!
34! 2350 2017-08-15 11:48:26Z kanani
35! Bugfix in nopointer version
36!
37! 2292 2017-06-20 09:51:42Z schwenkel
38! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
39! includes two more prognostic equations for cloud drop concentration (nc) 
40! and cloud water content (qc).
41!
42! 2233 2017-05-30 18:08:54Z suehring
43!
44! 2232 2017-05-30 17:47:52Z suehring
45! Adjustments to new surface concept
46!
47! 2118 2017-01-17 16:38:49Z raasch
48! OpenACC directives removed
49!
50! 2011 2016-09-19 17:29:57Z kanani
51! Flag urban_surface is now defined in module control_parameters.
52!
53! 2007 2016-08-24 15:47:17Z kanani
54! Added swapping of urban surface model quantities,
55! removed redundance for land surface model
56!
57! 2000 2016-08-20 18:09:15Z knoop
58! Forced header and separation lines into 80 columns
59!
60! 1960 2016-07-12 16:34:24Z suehring
61! Separate humidity and passive scalar
62!
63! 1822 2016-04-07 07:49:42Z hoffmann
64! icloud_scheme replaced by microphysics_*
65!
66! swap_timelevel.f90 1766 2016-02-29 08:37:15Z raasch
67! setting the swap level for pmc data transfer
68!
69! 1747 2016-02-08 12:25:53Z raasch
70! explicit loops in nopointer case to omit craypointer option of pgi compiler
71!
72! 1682 2015-10-07 23:56:08Z knoop
73! Code annotations made doxygen readable
74!
75! 1496 2014-12-02 17:25:50Z maronga
76! Added swapping of land surface model quantities
77!
78! 1374 2014-04-25 12:55:07Z raasch
79! bugfix: use-statement for nopointer-case added
80!
81! 1320 2014-03-20 08:40:49Z raasch
82! ONLY-attribute added to USE-statements,
83! revision history before 2012 removed,
84! 1318 2014-03-17 13:35:16Z raasch
85! module interfaces removed
86!
87! 1115 2013-03-26 18:16:16Z hoffmann
88! calculation of qr and nr is restricted to precipitation
89!
90! 1111 2013-03-08 23:54:10Z raasch
91! openACC directives added
92!
93! 1053 2012-11-13 17:11:03Z hoffmann
94! swap of timelevels for nr, qr added
95!
96! 1036 2012-10-22 13:43:42Z raasch
97! code put under GPL (PALM 3.9)
98!
99! 1032 2012-10-21 13:03:21Z letzel
100! save memory by not allocating pt_2 in case of neutral = .T.
101!
102! 1010 2012-09-20 07:59:54Z raasch
103! cpp switch __nopointer added for pointer free version
104!
105! 1001 2012-09-13 14:08:46Z raasch
106! all actions concerning leapfrog scheme removed
107!
108! Revision 1.1  2000/01/10  10:08:58  10:08:58  raasch (Siegfried Raasch)
109! Initial revision
110!
111!
112! Description:
113! ------------
114!> Swap of timelevels of variables after each timestep
115!------------------------------------------------------------------------------!
116 SUBROUTINE swap_timelevel
117 
118
119#if defined( __nopointer )
120    USE arrays_3d,                                                             &
121        ONLY:  e, e_p, nc, nc_p, nr, nr_p, pt, pt_p, q, q_p, qc, qc_p, qr,     &
122               qr_p, s, s_p, sa, sa_p, u, u_p, v, v_p, w, w_p
123#else
124    USE arrays_3d,                                                             &
125        ONLY:  e, e_1, e_2, e_p, nc, nc_1, nc_2, nc_p, nr, nr_1, nr_2, nr_p,   &
126               pt, pt_1, pt_2, pt_p, q, q_1, q_2, q_p, qc, qc_1, qc_2, qc_p,   &
127               qr, qr_1, qr_2, qr_p, s, s_1, s_2, s_p, sa, sa_1, sa_2, sa_p,   &
128               u, u_1, u_2, u_p, v, v_1, v_2, v_p, w, w_1, w_2, w_p
129
130#endif
131
132#if defined( __chem )
133    USE chemistry_model_mod,                                                   &
134        ONLY:  chem_swap_timelevel
135#endif
136
137    USE land_surface_model_mod,                                                &
138        ONLY: lsm_swap_timelevel
139
140    USE cpulog,                                                                &
141        ONLY: cpu_log, log_point
142
143    USE control_parameters,                                                    &
144        ONLY:  air_chemistry, cloud_physics, constant_diffusion,               &
145               humidity, land_surface,                                         &
146               microphysics_morrison, microphysics_seifert, neutral, ocean,    &
147               passive_scalar, timestep_count, urban_surface
148
149    USE indices,                                                               &
150        ONLY:  nxlg, nxrg, nyng, nysg, nzb, nzt
151
152    USE pmc_interface,                                                         &
153        ONLY: nested_run, pmci_set_swaplevel
154
155    USE turbulence_closure_mod,                                                &
156        ONLY:  tcm_swap_timelevel
157
158    USE urban_surface_mod,                                                     &
159        ONLY:  usm_swap_timelevel
160
161
162    IMPLICIT NONE
163
164    INTEGER ::  i, j, k     !> loop indices
165    INTEGER ::  swap_level  !> swap_level for steering the pmc data transfer
166
167!
168!-- Incrementing timestep counter
169    timestep_count = timestep_count + 1
170
171!
172!-- Swap of variables
173#if defined( __nopointer )
174    CALL cpu_log( log_point(28), 'swap_timelevel (nop)', 'start' )
175
176    DO  i = nxlg, nxrg
177       DO  j = nysg, nyng
178          DO  k = nzb, nzt+1
179             u(k,j,i)  = u_p(k,j,i)
180             v(k,j,i)  = v_p(k,j,i)
181             w(k,j,i)  = w_p(k,j,i)
182             pt(k,j,i) = pt_p(k,j,i)
183          ENDDO
184       ENDDO
185    ENDDO
186
187    CALL tcm_swap_timelevel ( 0 )
188
189    IF ( ocean )  THEN
190       sa = sa_p
191    ENDIF
192
193    IF ( humidity )  THEN
194       q = q_p
195       IF ( cloud_physics  .AND.  microphysics_morrison )  THEN
196          qc = qc_p
197          nc = nc_p
198       ENDIF             
199       IF ( cloud_physics  .AND.  microphysics_seifert )  THEN
200          qr = qr_p
201          nr = nr_p
202       ENDIF
203    ENDIF
204
205    IF ( passive_scalar )  s = s_p             
206
207    IF ( land_surface )  THEN
208       CALL lsm_swap_timelevel ( 0 )
209    ENDIF
210
211    IF ( urban_surface )  THEN
212       CALL usm_swap_timelevel ( 0 )
213    ENDIF
214
215
216    CALL cpu_log( log_point(28), 'swap_timelevel (nop)', 'stop' )
217#else
218    CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
219
220    SELECT CASE ( MOD( timestep_count, 2 ) )
221
222       CASE ( 0 )
223
224          u  => u_1;   u_p  => u_2
225          v  => v_1;   v_p  => v_2
226          w  => w_1;   w_p  => w_2
227          IF ( .NOT. neutral )  THEN
228             pt => pt_1;  pt_p => pt_2
229          ENDIF
230          IF ( ocean )  THEN
231             sa => sa_1;  sa_p => sa_2
232          ENDIF
233          IF ( humidity )  THEN
234             q => q_1;    q_p => q_2
235             IF ( cloud_physics  .AND.  microphysics_morrison )  THEN
236                qc => qc_1;    qc_p => qc_2
237                nc => nc_1;    nc_p => nc_2
238             ENDIF
239             IF ( cloud_physics  .AND.  microphysics_seifert )  THEN
240                qr => qr_1;    qr_p => qr_2
241                nr => nr_1;    nr_p => nr_2
242             ENDIF
243          ENDIF
244          IF ( passive_scalar )  THEN
245             s => s_1;    s_p => s_2
246          ENDIF
247
248#if defined( __chem )
249          IF ( air_chemistry )  CALL chem_swap_timelevel(0)
250#endif
251
252          swap_level = 1
253
254       CASE ( 1 )
255
256          u  => u_2;   u_p  => u_1
257          v  => v_2;   v_p  => v_1
258          w  => w_2;   w_p  => w_1
259          IF ( .NOT. neutral )  THEN
260             pt => pt_2;  pt_p => pt_1
261          ENDIF
262          IF ( ocean )  THEN
263             sa => sa_2;  sa_p => sa_1
264          ENDIF
265          IF ( humidity )  THEN
266             q => q_2;    q_p => q_1
267             IF ( cloud_physics  .AND.  microphysics_morrison )  THEN
268                qc => qc_2;    qc_p => qc_1
269                nc => nc_2;    nc_p => nc_1
270             ENDIF
271             IF ( cloud_physics  .AND.  microphysics_seifert )  THEN
272                qr => qr_2;    qr_p => qr_1
273                nr => nr_2;    nr_p => nr_1
274             ENDIF
275          ENDIF
276          IF ( passive_scalar )  THEN
277             s => s_2;    s_p => s_1
278          ENDIF
279
280#if defined( __chem )
281          IF ( air_chemistry )  CALL chem_swap_timelevel(1)
282#endif
283
284          swap_level = 2
285
286    END SELECT
287
288    CALL tcm_swap_timelevel ( MOD( timestep_count, 2) )
289
290    IF ( land_surface )  THEN
291       CALL lsm_swap_timelevel ( MOD( timestep_count, 2) )
292    ENDIF
293
294    IF ( urban_surface )  THEN
295       CALL usm_swap_timelevel ( MOD( timestep_count, 2) )
296    ENDIF
297
298!
299!-- Set the swap level for steering the pmc data transfer
300    IF ( nested_run )  CALL pmci_set_swaplevel( swap_level )
301
302    CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
303#endif
304
305 END SUBROUTINE swap_timelevel
306
307
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