source: palm/trunk/SOURCE/swap_timelevel.f90 @ 2766

Last change on this file since 2766 was 2766, checked in by kanani, 4 years ago

Removal of chem directive, plus minor changes

  • Property svn:keywords set to Id
File size: 9.1 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!
23!
24! Former revisions:
25! -----------------
26! $Id: swap_timelevel.f90 2766 2018-01-22 17:17:47Z kanani $
27! Removed preprocessor directive __chem
28!
29! 2718 2018-01-02 08:49:38Z maronga
30! Corrected "Former revisions" section
31!
32! 2696 2017-12-14 17:12:51Z kanani
33! Change in file header (GPL part)
34! Moved TKE to turbulence_closure_mod (TG)
35! Implementation of chemistry module (FK)
36!
37! 2350 2017-08-15 11:48:26Z kanani
38! Bugfix in nopointer version
39!
40! 2292 2017-06-20 09:51:42Z schwenkel
41! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
42! includes two more prognostic equations for cloud drop concentration (nc) 
43! and cloud water content (qc).
44!
45! 2233 2017-05-30 18:08:54Z suehring
46!
47! 2232 2017-05-30 17:47:52Z suehring
48! Adjustments to new surface concept
49!
50! 2118 2017-01-17 16:38:49Z raasch
51! OpenACC directives removed
52!
53! 2011 2016-09-19 17:29:57Z kanani
54! Flag urban_surface is now defined in module control_parameters.
55!
56! 2007 2016-08-24 15:47:17Z kanani
57! Added swapping of urban surface model quantities,
58! removed redundance for land surface model
59!
60! 2000 2016-08-20 18:09:15Z knoop
61! Forced header and separation lines into 80 columns
62!
63! 1960 2016-07-12 16:34:24Z suehring
64! Separate humidity and passive scalar
65!
66! 1822 2016-04-07 07:49:42Z hoffmann
67! icloud_scheme replaced by microphysics_*
68!
69! swap_timelevel.f90 1766 2016-02-29 08:37:15Z raasch
70! setting the swap level for pmc data transfer
71!
72! 1747 2016-02-08 12:25:53Z raasch
73! explicit loops in nopointer case to omit craypointer option of pgi compiler
74!
75! 1682 2015-10-07 23:56:08Z knoop
76! Code annotations made doxygen readable
77!
78! 1496 2014-12-02 17:25:50Z maronga
79! Added swapping of land surface model quantities
80!
81! 1374 2014-04-25 12:55:07Z raasch
82! bugfix: use-statement for nopointer-case added
83!
84! 1320 2014-03-20 08:40:49Z raasch
85! ONLY-attribute added to USE-statements,
86! revision history before 2012 removed,
87! 1318 2014-03-17 13:35:16Z raasch
88! module interfaces removed
89!
90! 1115 2013-03-26 18:16:16Z hoffmann
91! calculation of qr and nr is restricted to precipitation
92!
93! 1111 2013-03-08 23:54:10Z raasch
94! openACC directives added
95!
96! 1053 2012-11-13 17:11:03Z hoffmann
97! swap of timelevels for nr, qr added
98!
99! 1036 2012-10-22 13:43:42Z raasch
100! code put under GPL (PALM 3.9)
101!
102! 1032 2012-10-21 13:03:21Z letzel
103! save memory by not allocating pt_2 in case of neutral = .T.
104!
105! 1010 2012-09-20 07:59:54Z raasch
106! cpp switch __nopointer added for pointer free version
107!
108! 1001 2012-09-13 14:08:46Z raasch
109! all actions concerning leapfrog scheme removed
110!
111! Revision 1.1  2000/01/10  10:08:58  10:08:58  raasch (Siegfried Raasch)
112! Initial revision
113!
114!
115! Description:
116! ------------
117!> Swap of timelevels of variables after each timestep
118!------------------------------------------------------------------------------!
119 SUBROUTINE swap_timelevel
120 
121
122#if defined( __nopointer )
123    USE arrays_3d,                                                             &
124        ONLY:  e, e_p, nc, nc_p, nr, nr_p, pt, pt_p, q, q_p, qc, qc_p, qr,     &
125               qr_p, s, s_p, sa, sa_p, u, u_p, v, v_p, w, w_p
126#else
127    USE arrays_3d,                                                             &
128        ONLY:  e, e_1, e_2, e_p, nc, nc_1, nc_2, nc_p, nr, nr_1, nr_2, nr_p,   &
129               pt, pt_1, pt_2, pt_p, q, q_1, q_2, q_p, qc, qc_1, qc_2, qc_p,   &
130               qr, qr_1, qr_2, qr_p, s, s_1, s_2, s_p, sa, sa_1, sa_2, sa_p,   &
131               u, u_1, u_2, u_p, v, v_1, v_2, v_p, w, w_1, w_2, w_p
132
133#endif
134
135    USE chemistry_model_mod,                                                   &
136        ONLY:  chem_swap_timelevel
137
138    USE land_surface_model_mod,                                                &
139        ONLY: lsm_swap_timelevel
140
141    USE cpulog,                                                                &
142        ONLY: cpu_log, log_point
143
144    USE control_parameters,                                                    &
145        ONLY:  air_chemistry, cloud_physics, constant_diffusion,               &
146               humidity, land_surface,                                         &
147               microphysics_morrison, microphysics_seifert, neutral, ocean,    &
148               passive_scalar, timestep_count, urban_surface
149
150    USE indices,                                                               &
151        ONLY:  nxlg, nxrg, nyng, nysg, nzb, nzt
152
153    USE pmc_interface,                                                         &
154        ONLY: nested_run, pmci_set_swaplevel
155
156    USE turbulence_closure_mod,                                                &
157        ONLY:  tcm_swap_timelevel
158
159    USE urban_surface_mod,                                                     &
160        ONLY:  usm_swap_timelevel
161
162
163    IMPLICIT NONE
164
165    INTEGER ::  i, j, k     !> loop indices
166    INTEGER ::  swap_level  !> swap_level for steering the pmc data transfer
167
168!
169!-- Incrementing timestep counter
170    timestep_count = timestep_count + 1
171
172!
173!-- Swap of variables
174#if defined( __nopointer )
175    CALL cpu_log( log_point(28), 'swap_timelevel (nop)', 'start' )
176
177    DO  i = nxlg, nxrg
178       DO  j = nysg, nyng
179          DO  k = nzb, nzt+1
180             u(k,j,i)  = u_p(k,j,i)
181             v(k,j,i)  = v_p(k,j,i)
182             w(k,j,i)  = w_p(k,j,i)
183             pt(k,j,i) = pt_p(k,j,i)
184          ENDDO
185       ENDDO
186    ENDDO
187
188    CALL tcm_swap_timelevel ( 0 )
189
190    IF ( ocean )  THEN
191       sa = sa_p
192    ENDIF
193
194    IF ( humidity )  THEN
195       q = q_p
196       IF ( cloud_physics  .AND.  microphysics_morrison )  THEN
197          qc = qc_p
198          nc = nc_p
199       ENDIF             
200       IF ( cloud_physics  .AND.  microphysics_seifert )  THEN
201          qr = qr_p
202          nr = nr_p
203       ENDIF
204    ENDIF
205
206    IF ( passive_scalar )  s = s_p             
207
208    IF ( land_surface )  THEN
209       CALL lsm_swap_timelevel ( 0 )
210    ENDIF
211
212    IF ( urban_surface )  THEN
213       CALL usm_swap_timelevel ( 0 )
214    ENDIF
215
216
217    CALL cpu_log( log_point(28), 'swap_timelevel (nop)', 'stop' )
218#else
219    CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
220
221    SELECT CASE ( MOD( timestep_count, 2 ) )
222
223       CASE ( 0 )
224
225          u  => u_1;   u_p  => u_2
226          v  => v_1;   v_p  => v_2
227          w  => w_1;   w_p  => w_2
228          IF ( .NOT. neutral )  THEN
229             pt => pt_1;  pt_p => pt_2
230          ENDIF
231          IF ( ocean )  THEN
232             sa => sa_1;  sa_p => sa_2
233          ENDIF
234          IF ( humidity )  THEN
235             q => q_1;    q_p => q_2
236             IF ( cloud_physics  .AND.  microphysics_morrison )  THEN
237                qc => qc_1;    qc_p => qc_2
238                nc => nc_1;    nc_p => nc_2
239             ENDIF
240             IF ( cloud_physics  .AND.  microphysics_seifert )  THEN
241                qr => qr_1;    qr_p => qr_2
242                nr => nr_1;    nr_p => nr_2
243             ENDIF
244          ENDIF
245          IF ( passive_scalar )  THEN
246             s => s_1;    s_p => s_2
247          ENDIF
248
249          IF ( air_chemistry )  CALL chem_swap_timelevel(0)
250
251          swap_level = 1
252
253       CASE ( 1 )
254
255          u  => u_2;   u_p  => u_1
256          v  => v_2;   v_p  => v_1
257          w  => w_2;   w_p  => w_1
258          IF ( .NOT. neutral )  THEN
259             pt => pt_2;  pt_p => pt_1
260          ENDIF
261          IF ( ocean )  THEN
262             sa => sa_2;  sa_p => sa_1
263          ENDIF
264          IF ( humidity )  THEN
265             q => q_2;    q_p => q_1
266             IF ( cloud_physics  .AND.  microphysics_morrison )  THEN
267                qc => qc_2;    qc_p => qc_1
268                nc => nc_2;    nc_p => nc_1
269             ENDIF
270             IF ( cloud_physics  .AND.  microphysics_seifert )  THEN
271                qr => qr_2;    qr_p => qr_1
272                nr => nr_2;    nr_p => nr_1
273             ENDIF
274          ENDIF
275          IF ( passive_scalar )  THEN
276             s => s_2;    s_p => s_1
277          ENDIF
278
279          IF ( air_chemistry )  CALL chem_swap_timelevel(1)
280
281          swap_level = 2
282
283    END SELECT
284
285    CALL tcm_swap_timelevel ( MOD( timestep_count, 2) )
286
287    IF ( land_surface )  THEN
288       CALL lsm_swap_timelevel ( MOD( timestep_count, 2) )
289    ENDIF
290
291    IF ( urban_surface )  THEN
292       CALL usm_swap_timelevel ( MOD( timestep_count, 2) )
293    ENDIF
294
295!
296!-- Set the swap level for steering the pmc data transfer
297    IF ( nested_run )  CALL pmci_set_swaplevel( swap_level )
298
299    CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
300#endif
301
302 END SUBROUTINE swap_timelevel
303
304
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