source: palm/trunk/SOURCE/advec_u_pw.f90 @ 4043

Last change on this file since 4043 was 3655, checked in by knoop, 6 years ago

Bugfix: made "unit" and "found" intend INOUT in module interface subroutines + automatic copyright update

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File size: 6.6 KB
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[1873]1!> @file advec_u_pw.f90
[2000]2!------------------------------------------------------------------------------!
[2696]3! This file is part of the PALM model system.
[1036]4!
[2000]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.
[1036]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!
[3655]17! Copyright 1997-2019 Leibniz Universitaet Hannover
[2000]18!------------------------------------------------------------------------------!
[1036]19!
[484]20! Current revisions:
[1]21! -----------------
[1354]22!
[2233]23!
[1321]24! Former revisions:
25! -----------------
26! $Id: advec_u_pw.f90 3655 2019-01-07 16:51:22Z schwenkel $
[3547]27! variables documented
28!
29! 3538 2018-11-20 10:55:41Z suehring
[3538]30! Remove unnecessary double-masking of topography
31!
32! 2718 2018-01-02 08:49:38Z maronga
[2716]33! Corrected "Former revisions" section
34!
35! 2696 2017-12-14 17:12:51Z kanani
36! Change in file header (GPL part)
[1321]37!
[2716]38! 2233 2017-05-30 18:08:54Z suehring
39!
[2233]40! 2232 2017-05-30 17:47:52Z suehring
41! topography representation via flags
42!
[2001]43! 2000 2016-08-20 18:09:15Z knoop
44! Forced header and separation lines into 80 columns
45!
[1874]46! 1873 2016-04-18 14:50:06Z maronga
47! Module renamed (removed _mod)
48!
49!
[1851]50! 1850 2016-04-08 13:29:27Z maronga
51! Module renamed
52!
53!
[1683]54! 1682 2015-10-07 23:56:08Z knoop
55! Code annotations made doxygen readable
56!
[1354]57! 1353 2014-04-08 15:21:23Z heinze
58! REAL constants provided with KIND-attribute
59!
[1321]60! 1320 2014-03-20 08:40:49Z raasch
[1320]61! ONLY-attribute added to USE-statements,
62! kind-parameters added to all INTEGER and REAL declaration statements,
63! kinds are defined in new module kinds,
64! revision history before 2012 removed,
65! comment fields (!:) to be used for variable explanations added to
66! all variable declaration statements
[1]67!
[1037]68! 1036 2012-10-22 13:43:42Z raasch
69! code put under GPL (PALM 3.9)
70!
[1]71! Revision 1.1  1997/08/11 06:09:21  raasch
72! Initial revision
73!
74!
75! Description:
76! ------------
[1682]77!> Advection term for u velocity-component using Piacsek and Williams.
78!> Vertical advection at the first grid point above the surface is done with
79!> normal centred differences, because otherwise no information from the surface
80!> would be communicated upwards due to w=0 at K=nzb.
[1]81!------------------------------------------------------------------------------!
[1682]82 MODULE advec_u_pw_mod
83 
[1]84
85    PRIVATE
86    PUBLIC advec_u_pw
87
88    INTERFACE advec_u_pw
89       MODULE PROCEDURE advec_u_pw
90       MODULE PROCEDURE advec_u_pw_ij
91    END INTERFACE advec_u_pw
92 
93 CONTAINS
94
95
96!------------------------------------------------------------------------------!
[1682]97! Description:
98! ------------
99!> Call for all grid points
[1]100!------------------------------------------------------------------------------!
101    SUBROUTINE advec_u_pw
102
[1320]103       USE arrays_3d,                                                          &
104           ONLY:  ddzw, tend, u, v, w
[1]105
[1320]106       USE control_parameters,                                                 &
107           ONLY:  u_gtrans, v_gtrans
108
109       USE grid_variables,                                                     &
110           ONLY:  ddx, ddy
111
112       USE indices,                                                            &
[3538]113           ONLY:  nxlu, nxr, nyn, nys, nzb, nzt
[1320]114
115       USE kinds
116
117
[1]118       IMPLICIT NONE
119
[3547]120       INTEGER(iwp) ::  i !< grid index along x-direction
121       INTEGER(iwp) ::  j !< grid index along y-direction
122       INTEGER(iwp) ::  k !< grid index along z-direction
[1320]123       
[3547]124       REAL(wp)    ::  gu !< Galilei-transformation velocity along x
125       REAL(wp)    ::  gv !< Galilei-transformation velocity along y
[1]126 
[1353]127       gu = 2.0_wp * u_gtrans
128       gv = 2.0_wp * v_gtrans
[106]129       DO  i = nxlu, nxr
[1]130          DO  j = nys, nyn
[2232]131             DO  k = nzb+1, nzt
[1353]132                tend(k,j,i) = tend(k,j,i) - 0.25_wp * (                        &
[1]133                         ( u(k,j,i+1) * ( u(k,j,i+1) + u(k,j,i) - gu )         &
134                         - u(k,j,i-1) * ( u(k,j,i) + u(k,j,i-1) - gu ) ) * ddx &
135                       + ( u(k,j+1,i) * ( v(k,j+1,i) + v(k,j+1,i-1) - gv )     &
136                         - u(k,j-1,i) * ( v(k,j,i) + v(k,j,i-1) - gv ) ) * ddy &
137                       + ( u(k+1,j,i) * ( w(k,j,i) + w(k,j,i-1) )              &
138                         - u(k-1,j,i) * ( w(k-1,j,i) + w(k-1,j,i-1) ) )        &
139                                                                  * ddzw(k)    &
[3538]140                                                      )
[1]141             ENDDO
142          ENDDO
143       ENDDO
144
145    END SUBROUTINE advec_u_pw
146
147
148!------------------------------------------------------------------------------!
[1682]149! Description:
150! ------------
151!> Call for grid point i,j
[1]152!------------------------------------------------------------------------------!
153    SUBROUTINE advec_u_pw_ij( i, j )
154
[1320]155       USE arrays_3d,                                                          &
156           ONLY:  ddzw, tend, u, v, w
[1]157
[1320]158       USE control_parameters,                                                 &
159           ONLY:  u_gtrans, v_gtrans
160
161       USE grid_variables,                                                     &
162           ONLY:  ddx, ddy
163
164       USE indices,                                                            &
[3538]165           ONLY:  nzb, nzt
[1320]166
167       USE kinds
168
169
[1]170       IMPLICIT NONE
171
[3547]172       INTEGER(iwp) ::  i !< grid index along x-direction
173       INTEGER(iwp) ::  j !< grid index along y-direction
174       INTEGER(iwp) ::  k !< grid index along z-direction
[1320]175       
[3547]176       REAL(wp)    ::  gu !< Galilei-transformation velocity along x
177       REAL(wp)    ::  gv !< Galilei-transformation velocity along y
[1]178
[1353]179       gu = 2.0_wp * u_gtrans
180       gv = 2.0_wp * v_gtrans
[2232]181       DO  k = nzb+1, nzt
[1353]182          tend(k,j,i) = tend(k,j,i) - 0.25_wp * (                              &
[1]183                         ( u(k,j,i+1) * ( u(k,j,i+1) + u(k,j,i) - gu )         &
184                         - u(k,j,i-1) * ( u(k,j,i) + u(k,j,i-1) - gu ) ) * ddx &
185                       + ( u(k,j+1,i) * ( v(k,j+1,i) + v(k,j+1,i-1) - gv )     &
186                         - u(k,j-1,i) * ( v(k,j,i) + v(k,j,i-1) - gv ) ) * ddy &
187                       + ( u(k+1,j,i) * ( w(k,j,i) + w(k,j,i-1) )              &
188                         - u(k-1,j,i) * ( w(k-1,j,i) + w(k-1,j,i-1) ) )        &
189                                                                  * ddzw(k)    &
[3538]190                                                )
[1]191       ENDDO
192
193    END SUBROUTINE advec_u_pw_ij
194
195 END MODULE advec_u_pw_mod
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