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source: palm/trunk/SOURCE/advec_u_up.f90 @ 2232

Last change on this file since 2232 was 2232, checked in by suehring, 7 years ago
Adjustments according new topography and surface-modelling concept implemented
Property svn:keywords set to `Id`
File size: 9.4 KB

Rev	Line
[1873]	1	!> @file advec_u_up.f90
[2000]	2	!------------------------------------------------------------------------------!
[1036]	3	! This file is part of PALM.
	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	!
[2101]	17	! Copyright 1997-2017 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[484]	20	! Current revisions:
[1]	21	! -----------------
[2232]	22	! topography representation via flags
[1354]	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: advec_u_up.f90 2232 2017-05-30 17:47:52Z suehring $
	27	!
[2001]	28	! 2000 2016-08-20 18:09:15Z knoop
	29	! Forced header and separation lines into 80 columns
	30	!
[1874]	31	! 1873 2016-04-18 14:50:06Z maronga
	32	! Module renamed (removed _mod)
	33	!
	34	!
[1851]	35	! 1850 2016-04-08 13:29:27Z maronga
	36	! Module renamed
	37	!
	38	!
[1683]	39	! 1682 2015-10-07 23:56:08Z knoop
	40	! Code annotations made doxygen readable
	41	!
[1354]	42	! 1353 2014-04-08 15:21:23Z heinze
	43	! REAL constants provided with KIND-attribute
	44	!
[1321]	45	! 1320 2014-03-20 08:40:49Z raasch
[1320]	46	! ONLY-attribute added to USE-statements,
	47	! kind-parameters added to all INTEGER and REAL declaration statements,
	48	! kinds are defined in new module kinds,
	49	! revision history before 2012 removed,
	50	! comment fields (!:) to be used for variable explanations added to
	51	! all variable declaration statements
[1]	52	!
[1037]	53	! 1036 2012-10-22 13:43:42Z raasch
	54	! code put under GPL (PALM 3.9)
	55	!
[1]	56	! Revision 1.1 1997/08/29 08:55:25 raasch
	57	! Initial revision
	58	!
	59	!
	60	! Description:
	61	! ------------
[1682]	62	!> Advection term for the u velocity-component using upstream scheme.
	63	!> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0!
	64	!> The same problem occurs for all topography boundaries!
[1]	65	!------------------------------------------------------------------------------!
[1682]	66	MODULE advec_u_up_mod
	67
[1]	68
	69	PRIVATE
	70	PUBLIC advec_u_up
	71
	72	INTERFACE advec_u_up
	73	MODULE PROCEDURE advec_u_up
	74	MODULE PROCEDURE advec_u_up_ij
	75	END INTERFACE advec_u_up
	76
	77	CONTAINS
	78
	79
	80	!------------------------------------------------------------------------------!
[1682]	81	! Description:
	82	! ------------
	83	!> Call for all grid points
[1]	84	!------------------------------------------------------------------------------!
	85	SUBROUTINE advec_u_up
	86
[1320]	87	USE arrays_3d, &
	88	ONLY: ddzu, tend, u, v, w
[1]	89
[1320]	90	USE control_parameters, &
	91	ONLY: u_gtrans, v_gtrans
	92
	93	USE grid_variables, &
	94	ONLY: ddx, ddy
	95
	96	USE indices, &
[2232]	97	ONLY: nxlu, nxr, nyn, nys, nzb, nzt, wall_flags_0
[1320]	98
	99	USE kinds
	100
	101
[1]	102	IMPLICIT NONE
	103
[1682]	104	INTEGER(iwp) :: i !<
	105	INTEGER(iwp) :: j !<
	106	INTEGER(iwp) :: k !<
[1]	107
[1682]	108	REAL(wp) :: ukomp !<
	109	REAL(wp) :: vkomp !<
	110	REAL(wp) :: wkomp !<
[1]	111
[1320]	112
[106]	113	DO i = nxlu, nxr
[1]	114	DO j = nys, nyn
[2232]	115	DO k = nzb+1, nzt
[1]	116	!
	117	!-- x-direction
	118	ukomp = u(k,j,i) - u_gtrans
[1353]	119	IF ( ukomp > 0.0_wp ) THEN
[1320]	120	tend(k,j,i) = tend(k,j,i) - ukomp * &
[2232]	121	( u(k,j,i) - u(k,j,i-1) ) * ddx &
	122	* MERGE( 1.0_wp, 0.0_wp, &
	123	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	124	ELSE
[1320]	125	tend(k,j,i) = tend(k,j,i) - ukomp * &
[2232]	126	( u(k,j,i+1) - u(k,j,i) ) * ddx &
	127	* MERGE( 1.0_wp, 0.0_wp, &
	128	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	129	ENDIF
	130	!
	131	!-- y-direction
[1353]	132	vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + &
[1]	133	v(k,j,i-1) + v(k,j+1,i-1) ) - v_gtrans
[1353]	134	IF ( vkomp > 0.0_wp ) THEN
[1320]	135	tend(k,j,i) = tend(k,j,i) - vkomp * &
[2232]	136	( u(k,j,i) - u(k,j-1,i) ) * ddy &
	137	* MERGE( 1.0_wp, 0.0_wp, &
	138	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	139	ELSE
[1320]	140	tend(k,j,i) = tend(k,j,i) - vkomp * &
[2232]	141	( u(k,j+1,i) - u(k,j,i) ) * ddy &
	142	* MERGE( 1.0_wp, 0.0_wp, &
	143	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	144	ENDIF
	145	!
	146	!-- z-direction
[1353]	147	wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + &
[1]	148	w(k,j,i-1) + w(k-1,j,i-1) )
[1353]	149	IF ( wkomp > 0.0_wp ) THEN
[1320]	150	tend(k,j,i) = tend(k,j,i) - wkomp * &
[2232]	151	( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) &
	152	* MERGE( 1.0_wp, 0.0_wp, &
	153	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	154	ELSE
[1320]	155	tend(k,j,i) = tend(k,j,i) - wkomp * &
[2232]	156	( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) &
	157	* MERGE( 1.0_wp, 0.0_wp, &
	158	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	159	ENDIF
	160
	161	ENDDO
	162	ENDDO
	163	ENDDO
	164
	165	END SUBROUTINE advec_u_up
	166
	167
	168	!------------------------------------------------------------------------------!
[1682]	169	! Description:
	170	! ------------
	171	!> Call for grid point i,j
[1]	172	!------------------------------------------------------------------------------!
	173	SUBROUTINE advec_u_up_ij( i, j )
	174
[1320]	175	USE arrays_3d, &
	176	ONLY: ddzu, tend, u, v, w
[1]	177
[1320]	178	USE control_parameters, &
	179	ONLY: u_gtrans, v_gtrans
	180
	181	USE grid_variables, &
	182	ONLY: ddx, ddy
	183
	184	USE indices, &
[2232]	185	ONLY: nzb, nzt, wall_flags_0
[1320]	186
	187	USE kinds
	188
	189
[1]	190	IMPLICIT NONE
	191
[1682]	192	INTEGER(iwp) :: i !<
	193	INTEGER(iwp) :: j !<
	194	INTEGER(iwp) :: k !<
[1]	195
[1682]	196	REAL(wp) :: ukomp !<
	197	REAL(wp) :: vkomp !<
	198	REAL(wp) :: wkomp !<
[1]	199
	200
[2232]	201	DO k = nzb+1, nzt
[1]	202	!
	203	!-- x-direction
	204	ukomp = u(k,j,i) - u_gtrans
[1353]	205	IF ( ukomp > 0.0_wp ) THEN
[1320]	206	tend(k,j,i) = tend(k,j,i) - ukomp * &
[2232]	207	( u(k,j,i) - u(k,j,i-1) ) * ddx &
	208	* MERGE( 1.0_wp, 0.0_wp, &
	209	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	210	ELSE
[1320]	211	tend(k,j,i) = tend(k,j,i) - ukomp * &
[2232]	212	( u(k,j,i+1) - u(k,j,i) ) * ddx &
	213	* MERGE( 1.0_wp, 0.0_wp, &
	214	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	215	ENDIF
	216	!
	217	!-- y-direction
[1353]	218	vkomp = 0.25_wp * ( v(k,j,i) + v(k,j+1,i) + v(k,j,i-1) + v(k,j+1,i-1) &
[1]	219	) - v_gtrans
[1353]	220	IF ( vkomp > 0.0_wp ) THEN
[1320]	221	tend(k,j,i) = tend(k,j,i) - vkomp * &
[2232]	222	( u(k,j,i) - u(k,j-1,i) ) * ddy &
	223	* MERGE( 1.0_wp, 0.0_wp, &
	224	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	225	ELSE
[1320]	226	tend(k,j,i) = tend(k,j,i) - vkomp * &
[2232]	227	( u(k,j+1,i) - u(k,j,i) ) * ddy &
	228	* MERGE( 1.0_wp, 0.0_wp, &
	229	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	230	ENDIF
	231	!
	232	!-- z-direction
[1353]	233	wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + w(k,j,i-1) + w(k-1,j,i-1) )
	234	IF ( wkomp > 0.0_wp ) THEN
[1320]	235	tend(k,j,i) = tend(k,j,i) - wkomp * &
[2232]	236	( u(k,j,i) - u(k-1,j,i) ) * ddzu(k) &
	237	* MERGE( 1.0_wp, 0.0_wp, &
	238	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	239	ELSE
[1320]	240	tend(k,j,i) = tend(k,j,i) - wkomp * &
[2232]	241	( u(k+1,j,i) - u(k,j,i) ) * ddzu(k+1) &
	242	* MERGE( 1.0_wp, 0.0_wp, &
	243	BTEST( wall_flags_0(k,j,i), 1 ) )
[1]	244	ENDIF
	245
	246	ENDDO
	247
	248	END SUBROUTINE advec_u_up_ij
	249
	250	END MODULE advec_u_up_mod

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