source: palm/trunk/SOURCE/swap_timelevel.f90 @ 3582

Last change on this file since 3582 was 3582, checked in by suehring, 3 years ago

Merge branch salsa with trunk

  • Property svn:keywords set to Id
File size: 9.7 KB
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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 1997-2018 Leibniz Universitaet Hannover
18!------------------------------------------------------------------------------!
19!
20! Current revisions:
21! -----------------
22! Move the control parameter "salsa" from salsa_mod to control_parameters
23! (M. Kurppa)
24!
25! Former revisions:
26! -----------------
27! $Id: swap_timelevel.f90 3582 2018-11-29 19:16:36Z suehring $
28! Implementation of a new aerosol module salsa.
29!
30! 3303 2018-10-03 12:04:15Z raasch
31! bugfix for swapping in case of ocean mode
32!
33! 3294 2018-10-01 02:37:10Z raasch
34! changes concerning modularization of ocean option
35!
36! 3274 2018-09-24 15:42:55Z knoop
37! Modularization of all bulk cloud physics code components
38!
39! 3241 2018-09-12 15:02:00Z raasch
40! unused variables removed
41!
42! 2817 2018-02-19 16:32:21Z knoop
43! Preliminary gust module interface implemented
44!
45! 2766 2018-01-22 17:17:47Z kanani
46! Removed preprocessor directive __chem
47!
48! 2718 2018-01-02 08:49:38Z maronga
49! Corrected "Former revisions" section
50!
51! 2696 2017-12-14 17:12:51Z kanani
52! Change in file header (GPL part)
53! Moved TKE to turbulence_closure_mod (TG)
54! Implementation of chemistry module (FK)
55!
56! 2350 2017-08-15 11:48:26Z kanani
57! Bugfix in nopointer version
58!
59! 2292 2017-06-20 09:51:42Z schwenkel
60! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
61! includes two more prognostic equations for cloud drop concentration (nc) 
62! and cloud water content (qc).
63!
64! 2233 2017-05-30 18:08:54Z suehring
65!
66! 2232 2017-05-30 17:47:52Z suehring
67! Adjustments to new surface concept
68!
69! 2118 2017-01-17 16:38:49Z raasch
70! OpenACC directives removed
71!
72! 2011 2016-09-19 17:29:57Z kanani
73! Flag urban_surface is now defined in module control_parameters.
74!
75! 2007 2016-08-24 15:47:17Z kanani
76! Added swapping of urban surface model quantities,
77! removed redundance for land surface model
78!
79! 2000 2016-08-20 18:09:15Z knoop
80! Forced header and separation lines into 80 columns
81!
82! 1960 2016-07-12 16:34:24Z suehring
83! Separate humidity and passive scalar
84!
85! 1822 2016-04-07 07:49:42Z hoffmann
86! icloud_scheme replaced by microphysics_*
87!
88! swap_timelevel.f90 1766 2016-02-29 08:37:15Z raasch
89! setting the swap level for pmc data transfer
90!
91! 1747 2016-02-08 12:25:53Z raasch
92! explicit loops in nopointer case to omit craypointer option of pgi compiler
93!
94! 1682 2015-10-07 23:56:08Z knoop
95! Code annotations made doxygen readable
96!
97! 1496 2014-12-02 17:25:50Z maronga
98! Added swapping of land surface model quantities
99!
100! 1374 2014-04-25 12:55:07Z raasch
101! bugfix: use-statement for nopointer-case added
102!
103! 1320 2014-03-20 08:40:49Z raasch
104! ONLY-attribute added to USE-statements,
105! revision history before 2012 removed,
106! 1318 2014-03-17 13:35:16Z raasch
107! module interfaces removed
108!
109! 1115 2013-03-26 18:16:16Z hoffmann
110! calculation of qr and nr is restricted to precipitation
111!
112! 1111 2013-03-08 23:54:10Z raasch
113! openACC directives added
114!
115! 1053 2012-11-13 17:11:03Z hoffmann
116! swap of timelevels for nr, qr added
117!
118! 1036 2012-10-22 13:43:42Z raasch
119! code put under GPL (PALM 3.9)
120!
121! 1032 2012-10-21 13:03:21Z letzel
122! save memory by not allocating pt_2 in case of neutral = .T.
123!
124! 1010 2012-09-20 07:59:54Z raasch
125! cpp switch __nopointer added for pointer free version
126!
127! 1001 2012-09-13 14:08:46Z raasch
128! all actions concerning leapfrog scheme removed
129!
130! Revision 1.1  2000/01/10  10:08:58  10:08:58  raasch (Siegfried Raasch)
131! Initial revision
132!
133!
134! Description:
135! ------------
136!> Swap of timelevels of variables after each timestep
137!------------------------------------------------------------------------------!
138 SUBROUTINE swap_timelevel
139 
140
141#if defined( __nopointer )
142    USE arrays_3d,                                                             &
143        ONLY:  nc, nc_p, nr, nr_p, pt, pt_p, q, q_p, qc, qc_p, qr, qr_p, s,    &
144               s_p, sa, sa_p, u, u_p, v, v_p, w, w_p
145#else
146    USE arrays_3d,                                                             &
147        ONLY:  nc, nc_1, nc_2, nc_p, nr, nr_1, nr_2, nr_p, pt, pt_1, pt_2,     &
148               pt_p, q, q_1, q_2, q_p, qc, qc_1, qc_2, qc_p, qr, qr_1, qr_2,   &
149               qr_p, s, s_1, s_2, s_p, sa, sa_1, sa_2, sa_p, u, u_1, u_2, u_p, &
150               v, v_1, v_2, v_p, w, w_1, w_2, w_p
151#endif
152
153    USE bulk_cloud_model_mod,                                                  &
154        ONLY:  bulk_cloud_model, bcm_swap_timelevel
155
156    USE chemistry_model_mod,                                                   &
157        ONLY:  chem_swap_timelevel
158
159    USE cpulog,                                                                &
160        ONLY: cpu_log, log_point
161
162    USE control_parameters,                                                    &
163        ONLY:  air_chemistry, humidity, land_surface, neutral, ocean_mode,     &
164               passive_scalar, simulated_time, timestep_count, urban_surface,  &
165               time_since_reference_point, salsa
166
167    USE gust_mod,                                                              &
168        ONLY: gust_module_enabled, gust_swap_timelevel
169
170#if defined( __nopointer )
171    USE indices,                                                               &
172        ONLY:  nxlg, nxrg, nyng, nysg, nzb, nzt
173#endif
174
175    USE land_surface_model_mod,                                                &
176        ONLY: lsm_swap_timelevel
177
178    USE ocean_mod,                                                             &
179        ONLY:  ocean_swap_timelevel
180
181    USE pmc_interface,                                                         &
182        ONLY: nested_run, pmci_set_swaplevel
183         
184    USE salsa_mod,                                                             &
185        ONLY:  salsa_swap_timelevel, skip_time_do_salsa             
186
187    USE turbulence_closure_mod,                                                &
188        ONLY:  tcm_swap_timelevel
189
190    USE urban_surface_mod,                                                     &
191        ONLY:  usm_swap_timelevel
192
193
194    IMPLICIT NONE
195
196#if defined( __nopointer )
197    INTEGER ::  i, j, k     !> loop indices
198#endif
199    INTEGER ::  swap_level  !> swap_level for steering the pmc data transfer
200
201!
202!-- Incrementing timestep counter
203    timestep_count = timestep_count + 1
204
205!
206!-- Swap of variables
207#if defined( __nopointer )
208    CALL cpu_log( log_point(28), 'swap_timelevel (nop)', 'start' )
209
210    DO  i = nxlg, nxrg
211       DO  j = nysg, nyng
212          DO  k = nzb, nzt+1
213             u(k,j,i)  = u_p(k,j,i)
214             v(k,j,i)  = v_p(k,j,i)
215             w(k,j,i)  = w_p(k,j,i)
216             pt(k,j,i) = pt_p(k,j,i)
217          ENDDO
218       ENDDO
219    ENDDO
220
221    IF ( humidity )  THEN
222       q = q_p
223    ENDIF
224
225    IF ( passive_scalar )  s = s_p             
226
227!
228!-- Swapping the timelevel of other modules
229    IF ( humidity  .AND.  bulk_cloud_model )  CALL bcm_swap_timelevel( 0 )
230    IF ( gust_module_enabled )                CALL gust_swap_timelevel( 0 )
231    IF ( land_surface )                       CALL lsm_swap_timelevel( 0 )
232    IF ( ocean_mode )                         CALL ocean_swap_timelevel( 0 )
233    CALL tcm_swap_timelevel( 0 )
234    IF ( urban_surface )                      CALL usm_swap_timelevel( 0 )
235
236    CALL cpu_log( log_point(28), 'swap_timelevel (nop)', 'stop' )
237#else
238    CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
239
240    SELECT CASE ( MOD( timestep_count, 2 ) )
241
242       CASE ( 0 )
243
244          u  => u_1;   u_p  => u_2
245          v  => v_1;   v_p  => v_2
246          w  => w_1;   w_p  => w_2
247          IF ( .NOT. neutral )  THEN
248             pt => pt_1;  pt_p => pt_2
249          ENDIF
250          IF ( humidity )  THEN
251             q => q_1;    q_p => q_2
252          ENDIF
253          IF ( passive_scalar )  THEN
254             s => s_1;    s_p => s_2
255          ENDIF
256
257          swap_level = 1
258
259       CASE ( 1 )
260
261          u  => u_2;   u_p  => u_1
262          v  => v_2;   v_p  => v_1
263          w  => w_2;   w_p  => w_1
264          IF ( .NOT. neutral )  THEN
265             pt => pt_2;  pt_p => pt_1
266          ENDIF
267          IF ( humidity )  THEN
268             q => q_2;    q_p => q_1
269          ENDIF
270          IF ( passive_scalar )  THEN
271             s => s_2;    s_p => s_1
272          ENDIF
273
274          swap_level = 2
275
276    END SELECT
277
278    IF ( humidity  .AND.  bulk_cloud_model )  THEN
279       CALL bcm_swap_timelevel( MOD( timestep_count, 2) )
280    ENDIF
281
282    IF ( air_chemistry )  CALL chem_swap_timelevel( MOD( timestep_count, 2) )
283
284    IF ( gust_module_enabled )  THEN
285       CALL gust_swap_timelevel( MOD( timestep_count, 2) )
286    ENDIF
287
288    IF ( land_surface )  THEN
289       CALL lsm_swap_timelevel( MOD( timestep_count, 2) )
290    ENDIF
291
292    IF ( ocean_mode )  THEN
293       CALL ocean_swap_timelevel( MOD( timestep_count, 2 ) )
294    ENDIF
295   
296    IF ( salsa  .AND.  simulated_time >= time_since_reference_point )  THEN
297       CALL salsa_swap_timelevel(  MOD( timestep_count, 2 ) )
298    ENDIF     
299
300    CALL tcm_swap_timelevel( MOD( timestep_count, 2) )
301
302    IF ( urban_surface )  THEN
303       CALL usm_swap_timelevel( MOD( timestep_count, 2) )
304    ENDIF
305
306!
307!-- Set the swap level for steering the pmc data transfer
308    IF ( nested_run )  CALL pmci_set_swaplevel( swap_level )
309
310    CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
311#endif
312
313 END SUBROUTINE swap_timelevel
314
315
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