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source: palm/trunk/SOURCE/advec_w_up.f90 @ 3424

Last change on this file since 3424 was 3255, checked in by suehring, 6 years ago
Missing wall flags added
Property svn:keywords set to `Id`
File size: 9.6 KB

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1	!> @file advec_w_up.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: advec_w_up.f90 3255 2018-09-17 11:57:36Z gronemeier $
27	! Missing wall flags added
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	!
35	! 2233 2017-05-30 18:08:54Z suehring
36	!
37	! 2232 2017-05-30 17:47:52Z suehring
38	! topography representation via flags
39	!
40	! 2000 2016-08-20 18:09:15Z knoop
41	! Forced header and separation lines into 80 columns
42	!
43	! 1873 2016-04-18 14:50:06Z maronga
44	! Module renamed (removed _mod)
45	!
46	!
47	! 1850 2016-04-08 13:29:27Z maronga
48	! Module renamed
49	!
50	!
51	! 1682 2015-10-07 23:56:08Z knoop
52	! Code annotations made doxygen readable
53	!
54	! 1353 2014-04-08 15:21:23Z heinze
55	! REAL constants provided with KIND-attribute
56	!
57	! 1320 2014-03-20 08:40:49Z raasch
58	! ONLY-attribute added to USE-statements,
59	! kind-parameters added to all INTEGER and REAL declaration statements,
60	! kinds are defined in new module kinds,
61	! revision history before 2012 removed,
62	! comment fields (!:) to be used for variable explanations added to
63	! all variable declaration statements
64	!
65	! 1036 2012-10-22 13:43:42Z raasch
66	! code put under GPL (PALM 3.9)
67	!
68	! Revision 1.1 1997/08/29 08:56:33 raasch
69	! Initial revision
70	!
71	!
72	! Description:
73	! ------------
74	!> Advection term for the w velocity-component using upstream scheme.
75	!> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0
76	!> The same problem occurs for all topography boundaries!
77	!------------------------------------------------------------------------------!
78	MODULE advec_w_up_mod
79
80
81	PRIVATE
82	PUBLIC advec_w_up
83
84	INTERFACE advec_w_up
85	MODULE PROCEDURE advec_w_up
86	MODULE PROCEDURE advec_w_up_ij
87	END INTERFACE advec_w_up
88
89	CONTAINS
90
91
92	!------------------------------------------------------------------------------!
93	! Description:
94	! ------------
95	!> Call for all grid points
96	!------------------------------------------------------------------------------!
97	SUBROUTINE advec_w_up
98
99	USE arrays_3d, &
100	ONLY: ddzw, tend, u, v, w
101
102	USE control_parameters, &
103	ONLY: u_gtrans, v_gtrans
104
105	USE grid_variables, &
106	ONLY: ddx, ddy
107
108	USE indices, &
109	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_0
110
111	USE kinds
112
113
114	IMPLICIT NONE
115
116	INTEGER(iwp) :: i !<
117	INTEGER(iwp) :: j !<
118	INTEGER(iwp) :: k !<
119
120	REAL(wp) :: ukomp !<
121	REAL(wp) :: vkomp !<
122
123
124	DO i = nxl, nxr
125	DO j = nys, nyn
126	DO k = nzb+1, nzt-1
127	!
128	!-- x-direction
129	ukomp = 0.25_wp * ( u(k,j,i) + u(k,j,i+1) + &
130	u(k+1,j,i) + u(k+1,j,i+1) ) - u_gtrans
131	IF ( ukomp > 0.0_wp ) THEN
132	tend(k,j,i) = tend(k,j,i) - ukomp * &
133	( w(k,j,i) - w(k,j,i-1) ) * ddx &
134	* MERGE( 1.0_wp, 0.0_wp, &
135	BTEST( wall_flags_0(k,j,i), 3 ) )
136	ELSE
137	tend(k,j,i) = tend(k,j,i) - ukomp * &
138	( w(k,j,i+1) - w(k,j,i) ) * ddx &
139	* MERGE( 1.0_wp, 0.0_wp, &
140	BTEST( wall_flags_0(k,j,i), 3 ) )
141	ENDIF
142	!
143	!-- y-direction
144	vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + &
145	v(k+1,j,i) + v(k+1,j+1,i) ) - v_gtrans
146	IF ( vkomp > 0.0_wp ) THEN
147	tend(k,j,i) = tend(k,j,i) - vkomp * &
148	( w(k,j,i) - w(k,j-1,i) ) * ddy &
149	* MERGE( 1.0_wp, 0.0_wp, &
150	BTEST( wall_flags_0(k,j,i), 3 ) )
151	ELSE
152	tend(k,j,i) = tend(k,j,i) - vkomp * &
153	( w(k,j+1,i) - w(k,j,i) ) * ddy &
154	* MERGE( 1.0_wp, 0.0_wp, &
155	BTEST( wall_flags_0(k,j,i), 3 ) )
156	ENDIF
157	!
158	!-- z-direction
159	IF ( w(k,j,i) > 0.0_wp ) THEN
160	tend(k,j,i) = tend(k,j,i) - w(k,j,i) * &
161	( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) &
162	* MERGE( 1.0_wp, 0.0_wp, &
163	BTEST( wall_flags_0(k,j,i), 3 ) )
164	ELSE
165	tend(k,j,i) = tend(k,j,i) - w(k,j,i) * &
166	( w(k+1,j,i) - w(k,j,i) ) * ddzw(k+1) &
167	* MERGE( 1.0_wp, 0.0_wp, &
168	BTEST( wall_flags_0(k,j,i), 3 ) )
169	ENDIF
170
171	ENDDO
172	ENDDO
173	ENDDO
174
175	END SUBROUTINE advec_w_up
176
177
178	!------------------------------------------------------------------------------!
179	! Description:
180	! ------------
181	!> Call for grid point i,j
182	!------------------------------------------------------------------------------!
183	SUBROUTINE advec_w_up_ij( i, j )
184
185	USE arrays_3d, &
186	ONLY: ddzw, tend, u, v, w
187
188	USE control_parameters, &
189	ONLY: u_gtrans, v_gtrans
190
191	USE grid_variables, &
192	ONLY: ddx, ddy
193
194	USE indices, &
195	ONLY: nzb, nzt, wall_flags_0
196
197	USE kinds
198
199
200	IMPLICIT NONE
201
202	INTEGER(iwp) :: i !<
203	INTEGER(iwp) :: j !<
204	INTEGER(iwp) :: k !<
205
206	REAL(wp) :: ukomp !<
207	REAL(wp) :: vkomp !<
208
209
210	DO k = nzb+1, nzt-1
211	!
212	!-- x-direction
213	ukomp = 0.25_wp * ( u(k,j,i) + u(k,j,i+1) + u(k+1,j,i) + u(k+1,j,i+1) &
214	) - u_gtrans
215	IF ( ukomp > 0.0_wp ) THEN
216	tend(k,j,i) = tend(k,j,i) - ukomp * &
217	( w(k,j,i) - w(k,j,i-1) ) * ddx &
218	* MERGE( 1.0_wp, 0.0_wp, &
219	BTEST( wall_flags_0(k,j,i), 3 ) )
220	ELSE
221	tend(k,j,i) = tend(k,j,i) - ukomp * &
222	( w(k,j,i+1) - w(k,j,i) ) * ddx &
223	* MERGE( 1.0_wp, 0.0_wp, &
224	BTEST( wall_flags_0(k,j,i), 3 ) )
225	ENDIF
226	!
227	!-- y-direction
228	vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + v(k+1,j,i) + v(k+1,j+1,i) &
229	) - v_gtrans
230	IF ( vkomp > 0.0_wp ) THEN
231	tend(k,j,i) = tend(k,j,i) - vkomp * &
232	( w(k,j,i) - w(k,j-1,i) ) * ddy &
233	* MERGE( 1.0_wp, 0.0_wp, &
234	BTEST( wall_flags_0(k,j,i), 3 ) )
235	ELSE
236	tend(k,j,i) = tend(k,j,i) - vkomp * &
237	( w(k,j+1,i) - w(k,j,i) ) * ddy &
238	* MERGE( 1.0_wp, 0.0_wp, &
239	BTEST( wall_flags_0(k,j,i), 3 ) )
240	ENDIF
241	!
242	!-- z-direction
243	IF ( w(k,j,i) > 0.0_wp ) THEN
244	tend(k,j,i) = tend(k,j,i) - w(k,j,i) * &
245	( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) &
246	* MERGE( 1.0_wp, 0.0_wp, &
247	BTEST( wall_flags_0(k,j,i), 3 ) )
248	ELSE
249	tend(k,j,i) = tend(k,j,i) - w(k,j,i) * &
250	( w(k+1,j,i) - w(k,j,i) ) * ddzw(k+1) &
251	* MERGE( 1.0_wp, 0.0_wp, &
252	BTEST( wall_flags_0(k,j,i), 3 ) )
253	ENDIF
254
255	ENDDO
256
257	END SUBROUTINE advec_w_up_ij
258
259	END MODULE advec_w_up_mod

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