source: palm/trunk/SOURCE/calc_mean_profile.f90 @ 3241

Last change on this file since 3241 was 3241, checked in by raasch, 3 years ago

various changes to avoid compiler warnings (mainly removal of unused variables)

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File size: 5.5 KB
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1!> @file calc_mean_profile.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: calc_mean_profile.f90 3241 2018-09-12 15:02:00Z raasch $
27! omp_get_thread_num now declared in openmp directive,
28! unused variable removed
29!
30! 2718 2018-01-02 08:49:38Z maronga
31! Corrected "Former revisions" section
32!
33! 2696 2017-12-14 17:12:51Z kanani
34! Change in file header (GPL part)
35! Enable usage also during initialization, required for initialization of
36! radiation and land-surface model (MS)
37!
38! 2233 2017-05-30 18:08:54Z suehring
39!
40! 2232 2017-05-30 17:47:52Z suehring
41! Adjustments to new topography concept
42!
43! 2000 2016-08-20 18:09:15Z knoop
44! Forced header and separation lines into 80 columns
45!
46! 1873 2016-04-18 14:50:06Z maronga
47! Module renamed (removed _mod)
48!
49!
50! 1850 2016-04-08 13:29:27Z maronga
51! Module renamed
52!
53!
54! 1738 2015-12-18 13:56:05Z raasch
55! bugfix: if a layer is completely filled with topography, no mean is calculated
56!
57! 1682 2015-10-07 23:56:08Z knoop
58! Code annotations made doxygen readable
59!
60! 1365 2014-04-22 15:03:56Z boeske
61! Initial revision
62!
63! Description:
64! ------------
65!> Calculate the horizontally averaged vertical temperature profile (pr=4 in case
66!> of potential temperature, 44 in case of virtual potential temperature, and 64
67!> in case of density (ocean runs)).
68!------------------------------------------------------------------------------!
69 MODULE calc_mean_profile_mod
70 
71
72    PRIVATE
73    PUBLIC calc_mean_profile
74
75    INTERFACE calc_mean_profile
76       MODULE PROCEDURE calc_mean_profile
77    END INTERFACE calc_mean_profile
78
79 CONTAINS
80
81!------------------------------------------------------------------------------!
82! Description:
83! ------------
84!> @todo Missing subroutine description.
85!------------------------------------------------------------------------------!
86    SUBROUTINE calc_mean_profile( var, pr )
87
88       USE control_parameters,                                                 &
89           ONLY:  intermediate_timestep_count
90
91       USE indices,                                                            &
92           ONLY:  ngp_2dh_s_inner, nxl, nxr, nyn, nys, nzb, nzb, nzt,          &
93                  wall_flags_0
94
95       USE kinds
96
97       USE pegrid
98
99       USE statistics,                                                         &
100           ONLY:  flow_statistics_called, hom, sums, sums_l
101
102
103       IMPLICIT NONE
104       
105       INTEGER(iwp) ::  i                  !<
106       INTEGER(iwp) ::  j                  !<
107       INTEGER(iwp) ::  k                  !<
108       INTEGER(iwp) ::  pr                 !<
109!$     INTEGER(iwp) ::  omp_get_thread_num !<
110       INTEGER(iwp) ::  tn                 !<
111       
112#if defined( __nopointer )
113       REAL(wp), DIMENSION(:,:,:) ::  var  !<
114#else
115       REAL(wp), DIMENSION(:,:,:), POINTER ::  var
116#endif
117
118!
119!--    Computation of the horizontally averaged profile of variable var, unless
120!--    already done by the relevant call from flow_statistics. The calculation
121!--    is done only for the first respective intermediate timestep in order to
122!--    spare communication time and to produce identical model results with jobs
123!--    which are calling flow_statistics at different time intervals. At
124!--    initialization, intermediate_timestep_count = 0 is considered as well.
125
126       IF ( .NOT. flow_statistics_called  .AND.                                &
127            intermediate_timestep_count <= 1 )  THEN
128
129!
130!--       Horizontal average of variable var
131          tn           =   0  ! Default thread number in case of one thread
132          !$OMP PARALLEL PRIVATE( i, j, k, tn )
133!$        tn = omp_get_thread_num()
134          sums_l(:,pr,tn) = 0.0_wp
135          !$OMP DO
136          DO  i = nxl, nxr
137             DO  j =  nys, nyn
138                DO  k = nzb, nzt+1
139                   sums_l(k,pr,tn) = sums_l(k,pr,tn) + var(k,j,i)              &
140                                     * MERGE( 1.0_wp, 0.0_wp,                  &
141                                              BTEST( wall_flags_0(k,j,i), 22 ) )
142                ENDDO
143             ENDDO
144          ENDDO
145          !$OMP END PARALLEL
146
147          DO  i = 1, threads_per_task-1
148             sums_l(:,pr,0) = sums_l(:,pr,0) + sums_l(:,pr,i)
149          ENDDO
150
151#if defined( __parallel )
152
153          IF ( collective_wait )  CALL MPI_BARRIER( comm2d, ierr )
154          CALL MPI_ALLREDUCE( sums_l(nzb,pr,0), sums(nzb,pr), nzt+2-nzb,       &
155                              MPI_REAL, MPI_SUM, comm2d, ierr )
156
157#else
158
159          sums(:,pr) = sums_l(:,pr,0)
160
161#endif
162
163          DO  k = nzb, nzt+1
164             IF ( ngp_2dh_s_inner(k,0) /= 0 )  THEN
165                hom(k,1,pr,0) = sums(k,pr) / ngp_2dh_s_inner(k,0)
166             ENDIF
167          ENDDO
168
169       ENDIF
170
171
172    END SUBROUTINE calc_mean_profile
173
174 END MODULE calc_mean_profile_mod
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