[1] | 1 | SUBROUTINE init_grid |
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| 2 | |
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[1036] | 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2012 Leibniz University Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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[254] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[863] | 22 | ! |
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[1017] | 23 | ! |
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[863] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: init_grid.f90 1036 2012-10-22 13:43:42Z raasch $ |
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| 27 | ! |
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[1017] | 28 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 29 | ! lower index for calculating wall_flags_0 set to nzb_w_inner instead of |
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| 30 | ! nzb_w_inner+1 |
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| 31 | ! |
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[997] | 32 | ! 996 2012-09-07 10:41:47Z raasch |
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| 33 | ! little reformatting |
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| 34 | ! |
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[979] | 35 | ! 978 2012-08-09 08:28:32Z fricke |
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| 36 | ! Bugfix: nzb_max is set to nzt at non-cyclic lateral boundaries |
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| 37 | ! Bugfix: Set wall_flags_0 for inflow boundary |
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| 38 | ! |
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[928] | 39 | ! 927 2012-06-06 19:15:04Z raasch |
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| 40 | ! Wall flags are not set for multigrid method in case of masking method |
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| 41 | ! |
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[865] | 42 | ! 864 2012-03-27 15:10:33Z gryschka |
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[927] | 43 | ! In case of ocean and Dirichlet bottom bc for u and v dzu_mg and ddzu_pres |
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| 44 | ! were not correctly defined for k=1. |
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[865] | 45 | ! |
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[863] | 46 | ! 861 2012-03-26 14:18:34Z suehring |
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[861] | 47 | ! Set wall_flags_0. The array is needed for degradation in ws-scheme near walls, |
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| 48 | ! inflow and outflow boundaries as well as near the bottom and the top of the |
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[863] | 49 | ! model domain.! |
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[861] | 50 | ! Initialization of nzb_s_inner and nzb_w_inner. |
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| 51 | ! gls has to be at least nbgp to do not exceed the array bounds of nzb_local |
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| 52 | ! while setting wall_flags_0 |
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| 53 | ! |
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[844] | 54 | ! 843 2012-02-29 15:16:21Z gryschka |
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| 55 | ! In case of ocean and dirichlet bc for u and v at the bottom |
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| 56 | ! the first u-level ist defined at same height as the first w-level |
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| 57 | ! |
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[819] | 58 | ! 818 2012-02-08 16:11:23Z maronga |
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| 59 | ! Bugfix: topo_height is only required if topography is used. It is thus now |
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| 60 | ! allocated in the topography branch |
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| 61 | ! |
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[810] | 62 | ! 809 2012-01-30 13:32:58Z maronga |
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| 63 | ! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives |
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| 64 | ! |
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[808] | 65 | ! 807 2012-01-25 11:53:51Z maronga |
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| 66 | ! New cpp directive "__check" implemented which is used by check_namelist_files |
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| 67 | ! |
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[760] | 68 | ! 759 2011-09-15 13:58:31Z raasch |
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| 69 | ! Splitting of parallel I/O in blocks of PEs |
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| 70 | ! |
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[723] | 71 | ! 722 2011-04-11 06:21:09Z raasch |
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| 72 | ! Bugfix: bc_lr/ns_cyc replaced by bc_lr/ns, because variables are not yet set |
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| 73 | ! here |
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| 74 | ! |
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[710] | 75 | ! 709 2011-03-30 09:31:40Z raasch |
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| 76 | ! formatting adjustments |
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| 77 | ! |
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[708] | 78 | ! 707 2011-03-29 11:39:40Z raasch |
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| 79 | ! bc_lr/ns replaced by bc_lr/ns_cyc |
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| 80 | ! |
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[668] | 81 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
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[667] | 82 | ! Definition of new array bounds nxlg, nxrg, nysg, nyng on each PE. |
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| 83 | ! Furthermore the allocation of arrays and steering of loops is done with these |
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| 84 | ! parameters. Call of exchange_horiz are modified. |
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| 85 | ! In case of dirichlet bounday condition at the bottom zu(0)=0.0 |
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| 86 | ! dzu_mg has to be set explicitly for a equally spaced grid near bottom. |
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| 87 | ! ddzu_pres added to use a equally spaced grid near bottom. |
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[139] | 88 | ! |
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[556] | 89 | ! 555 2010-09-07 07:32:53Z raasch |
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[818] | 90 | ! Bugfix: default setting of nzb_local for flat topography |
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[556] | 91 | ! |
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[392] | 92 | ! 274 2009-03-26 15:11:21Z heinze |
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| 93 | ! Output of messages replaced by message handling routine. |
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| 94 | ! new topography case 'single_street_canyon' |
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| 95 | ! |
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[226] | 96 | ! 217 2008-12-09 18:00:48Z letzel |
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| 97 | ! +topography_grid_convention |
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| 98 | ! |
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[139] | 99 | ! 134 2007-11-21 07:28:38Z letzel |
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[134] | 100 | ! Redefine initial nzb_local as the actual total size of topography (later the |
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| 101 | ! extent of topography in nzb_local is reduced by 1dx at the E topography walls |
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| 102 | ! and by 1dy at the N topography walls to form the basis for nzb_s_inner); |
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| 103 | ! for consistency redefine 'single_building' case. |
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[114] | 104 | ! Calculation of wall flag arrays |
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[1] | 105 | ! |
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[98] | 106 | ! 94 2007-06-01 15:25:22Z raasch |
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| 107 | ! Grid definition for ocean version |
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| 108 | ! |
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[77] | 109 | ! 75 2007-03-22 09:54:05Z raasch |
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| 110 | ! storage of topography height arrays zu_s_inner and zw_s_inner, |
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| 111 | ! 2nd+3rd argument removed from exchange horiz |
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| 112 | ! |
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[39] | 113 | ! 19 2007-02-23 04:53:48Z raasch |
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| 114 | ! Setting of nzt_diff |
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| 115 | ! |
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[3] | 116 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 117 | ! |
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[1] | 118 | ! Revision 1.17 2006/08/22 14:00:05 raasch |
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| 119 | ! +dz_max to limit vertical stretching, |
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| 120 | ! bugfix in index array initialization for line- or point-like topography |
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| 121 | ! structures |
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| 122 | ! |
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| 123 | ! Revision 1.1 1997/08/11 06:17:45 raasch |
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| 124 | ! Initial revision (Testversion) |
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| 125 | ! |
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| 126 | ! |
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| 127 | ! Description: |
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| 128 | ! ------------ |
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| 129 | ! Creating grid depending constants |
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| 130 | !------------------------------------------------------------------------------! |
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| 131 | |
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| 132 | USE arrays_3d |
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| 133 | USE control_parameters |
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| 134 | USE grid_variables |
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| 135 | USE indices |
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| 136 | USE pegrid |
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| 137 | |
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| 138 | IMPLICIT NONE |
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| 139 | |
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[240] | 140 | INTEGER :: bh, blx, bly, bxl, bxr, byn, bys, ch, cwx, cwy, cxl, cxr, cyn, & |
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[759] | 141 | cys, gls, i, ii, inc, i_center, j, j_center, k, l, nxl_l, & |
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| 142 | nxr_l, nyn_l, nys_l, nzb_si, nzt_l, vi |
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[1] | 143 | |
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| 144 | INTEGER, DIMENSION(:), ALLOCATABLE :: vertical_influence |
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| 145 | |
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| 146 | INTEGER, DIMENSION(:,:), ALLOCATABLE :: corner_nl, corner_nr, corner_sl, & |
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| 147 | corner_sr, wall_l, wall_n, wall_r,& |
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| 148 | wall_s, nzb_local, nzb_tmp |
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| 149 | |
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[861] | 150 | LOGICAL :: flag_set = .FALSE. |
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| 151 | |
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[1] | 152 | REAL :: dx_l, dy_l, dz_stretched |
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| 153 | |
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[818] | 154 | REAL, DIMENSION(:,:), ALLOCATABLE :: topo_height |
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[1] | 155 | |
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| 156 | REAL, DIMENSION(:,:,:), ALLOCATABLE :: distance |
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[667] | 157 | |
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[1] | 158 | ! |
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[709] | 159 | !-- Calculation of horizontal array bounds including ghost layers |
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[667] | 160 | nxlg = nxl - nbgp |
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| 161 | nxrg = nxr + nbgp |
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| 162 | nysg = nys - nbgp |
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| 163 | nyng = nyn + nbgp |
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[709] | 164 | |
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[667] | 165 | ! |
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[1] | 166 | !-- Allocate grid arrays |
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| 167 | ALLOCATE( ddzu(1:nzt+1), ddzw(1:nzt+1), dd2zu(1:nzt), dzu(1:nzt+1), & |
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[667] | 168 | dzw(1:nzt+1), l_grid(1:nzt), zu(nzb:nzt+1), zw(nzb:nzt+1) ) |
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[1] | 169 | |
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| 170 | ! |
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| 171 | !-- Compute height of u-levels from constant grid length and dz stretch factors |
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| 172 | IF ( dz == -1.0 ) THEN |
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[254] | 173 | message_string = 'missing dz' |
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| 174 | CALL message( 'init_grid', 'PA0200', 1, 2, 0, 6, 0 ) |
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[1] | 175 | ELSEIF ( dz <= 0.0 ) THEN |
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[254] | 176 | WRITE( message_string, * ) 'dz=',dz,' <= 0.0' |
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| 177 | CALL message( 'init_grid', 'PA0201', 1, 2, 0, 6, 0 ) |
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[1] | 178 | ENDIF |
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[94] | 179 | |
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[1] | 180 | ! |
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[94] | 181 | !-- Define the vertical grid levels |
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| 182 | IF ( .NOT. ocean ) THEN |
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| 183 | ! |
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| 184 | !-- Grid for atmosphere with surface at z=0 (k=0, w-grid). |
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[843] | 185 | !-- The second u-level (k=1) corresponds to the top of the |
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[94] | 186 | !-- Prandtl-layer. |
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[667] | 187 | |
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| 188 | IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN |
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| 189 | zu(0) = 0.0 |
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| 190 | ! zu(0) = - dz * 0.5 |
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| 191 | ELSE |
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| 192 | zu(0) = - dz * 0.5 |
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| 193 | ENDIF |
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[94] | 194 | zu(1) = dz * 0.5 |
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[1] | 195 | |
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[94] | 196 | dz_stretch_level_index = nzt+1 |
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| 197 | dz_stretched = dz |
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| 198 | DO k = 2, nzt+1 |
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| 199 | IF ( dz_stretch_level <= zu(k-1) .AND. dz_stretched < dz_max ) THEN |
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| 200 | dz_stretched = dz_stretched * dz_stretch_factor |
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| 201 | dz_stretched = MIN( dz_stretched, dz_max ) |
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| 202 | IF ( dz_stretch_level_index == nzt+1 ) dz_stretch_level_index = k-1 |
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| 203 | ENDIF |
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| 204 | zu(k) = zu(k-1) + dz_stretched |
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| 205 | ENDDO |
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[1] | 206 | |
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| 207 | ! |
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[94] | 208 | !-- Compute the w-levels. They are always staggered half-way between the |
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[843] | 209 | !-- corresponding u-levels. In case of dirichlet bc for u and v at the |
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| 210 | !-- ground the first u- and w-level (k=0) are defined at same height (z=0). |
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| 211 | !-- The top w-level is extrapolated linearly. |
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[94] | 212 | zw(0) = 0.0 |
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| 213 | DO k = 1, nzt |
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| 214 | zw(k) = ( zu(k) + zu(k+1) ) * 0.5 |
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| 215 | ENDDO |
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| 216 | zw(nzt+1) = zw(nzt) + 2.0 * ( zu(nzt+1) - zw(nzt) ) |
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[1] | 217 | |
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[94] | 218 | ELSE |
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[1] | 219 | ! |
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[843] | 220 | !-- Grid for ocean with free water surface is at k=nzt (w-grid). |
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| 221 | !-- In case of neumann bc at the ground the first first u-level (k=0) lies |
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| 222 | !-- below the first w-level (k=0). In case of dirichlet bc the first u- and |
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| 223 | !-- w-level are defined at same height, but staggered from the second level. |
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| 224 | !-- The second u-level (k=1) corresponds to the top of the Prandtl-layer. |
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[94] | 225 | zu(nzt+1) = dz * 0.5 |
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| 226 | zu(nzt) = - dz * 0.5 |
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| 227 | |
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| 228 | dz_stretch_level_index = 0 |
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| 229 | dz_stretched = dz |
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| 230 | DO k = nzt-1, 0, -1 |
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| 231 | IF ( dz_stretch_level <= ABS( zu(k+1) ) .AND. & |
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| 232 | dz_stretched < dz_max ) THEN |
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| 233 | dz_stretched = dz_stretched * dz_stretch_factor |
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| 234 | dz_stretched = MIN( dz_stretched, dz_max ) |
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| 235 | IF ( dz_stretch_level_index == 0 ) dz_stretch_level_index = k+1 |
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| 236 | ENDIF |
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| 237 | zu(k) = zu(k+1) - dz_stretched |
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| 238 | ENDDO |
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| 239 | |
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| 240 | ! |
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| 241 | !-- Compute the w-levels. They are always staggered half-way between the |
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[843] | 242 | !-- corresponding u-levels, except in case of dirichlet bc for u and v |
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| 243 | !-- at the ground. In this case the first u- and w-level are defined at |
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| 244 | !-- same height. The top w-level (nzt+1) is not used but set for |
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| 245 | !-- consistency, since w and all scalar variables are defined up tp nzt+1. |
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[94] | 246 | zw(nzt+1) = dz |
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| 247 | zw(nzt) = 0.0 |
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| 248 | DO k = 0, nzt |
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| 249 | zw(k) = ( zu(k) + zu(k+1) ) * 0.5 |
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| 250 | ENDDO |
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| 251 | |
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[843] | 252 | ! |
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| 253 | !-- In case of dirichlet bc for u and v the first u- and w-level are defined |
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| 254 | !-- at same height. |
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| 255 | IF ( ibc_uv_b == 0 ) THEN |
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| 256 | zu(0) = zw(0) |
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| 257 | ENDIF |
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| 258 | |
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[94] | 259 | ENDIF |
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| 260 | |
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| 261 | ! |
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[1] | 262 | !-- Compute grid lengths. |
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| 263 | DO k = 1, nzt+1 |
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| 264 | dzu(k) = zu(k) - zu(k-1) |
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| 265 | ddzu(k) = 1.0 / dzu(k) |
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| 266 | dzw(k) = zw(k) - zw(k-1) |
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| 267 | ddzw(k) = 1.0 / dzw(k) |
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| 268 | ENDDO |
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| 269 | |
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| 270 | DO k = 1, nzt |
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| 271 | dd2zu(k) = 1.0 / ( dzu(k) + dzu(k+1) ) |
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| 272 | ENDDO |
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[667] | 273 | |
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| 274 | ! |
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[709] | 275 | !-- The FFT- SOR-pressure solvers assume grid spacings of a staggered grid |
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| 276 | !-- everywhere. For the actual grid, the grid spacing at the lowest level |
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| 277 | !-- is only dz/2, but should be dz. Therefore, an additional array |
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| 278 | !-- containing with appropriate grid information is created for these |
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| 279 | !-- solvers. |
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| 280 | IF ( psolver /= 'multigrid' ) THEN |
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[667] | 281 | ALLOCATE( ddzu_pres(1:nzt+1) ) |
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| 282 | ddzu_pres = ddzu |
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[864] | 283 | ddzu_pres(1) = ddzu_pres(2) ! change for lowest level |
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[667] | 284 | ENDIF |
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[1] | 285 | |
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| 286 | ! |
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| 287 | !-- In case of multigrid method, compute grid lengths and grid factors for the |
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| 288 | !-- grid levels |
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| 289 | IF ( psolver == 'multigrid' ) THEN |
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| 290 | |
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| 291 | ALLOCATE( ddx2_mg(maximum_grid_level), ddy2_mg(maximum_grid_level), & |
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| 292 | dzu_mg(nzb+1:nzt+1,maximum_grid_level), & |
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| 293 | dzw_mg(nzb+1:nzt+1,maximum_grid_level), & |
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| 294 | f1_mg(nzb+1:nzt,maximum_grid_level), & |
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| 295 | f2_mg(nzb+1:nzt,maximum_grid_level), & |
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| 296 | f3_mg(nzb+1:nzt,maximum_grid_level) ) |
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| 297 | |
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| 298 | dzu_mg(:,maximum_grid_level) = dzu |
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[667] | 299 | ! |
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[864] | 300 | !-- Next line to ensure an equally spaced grid. |
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| 301 | dzu_mg(1,maximum_grid_level) = dzu(2) |
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[709] | 302 | |
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[1] | 303 | dzw_mg(:,maximum_grid_level) = dzw |
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| 304 | nzt_l = nzt |
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| 305 | DO l = maximum_grid_level-1, 1, -1 |
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| 306 | dzu_mg(nzb+1,l) = 2.0 * dzu_mg(nzb+1,l+1) |
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| 307 | dzw_mg(nzb+1,l) = 2.0 * dzw_mg(nzb+1,l+1) |
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| 308 | nzt_l = nzt_l / 2 |
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| 309 | DO k = 2, nzt_l+1 |
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| 310 | dzu_mg(k,l) = dzu_mg(2*k-2,l+1) + dzu_mg(2*k-1,l+1) |
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| 311 | dzw_mg(k,l) = dzw_mg(2*k-2,l+1) + dzw_mg(2*k-1,l+1) |
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| 312 | ENDDO |
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| 313 | ENDDO |
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| 314 | |
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| 315 | nzt_l = nzt |
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| 316 | dx_l = dx |
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| 317 | dy_l = dy |
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| 318 | DO l = maximum_grid_level, 1, -1 |
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| 319 | ddx2_mg(l) = 1.0 / dx_l**2 |
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| 320 | ddy2_mg(l) = 1.0 / dy_l**2 |
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| 321 | DO k = nzb+1, nzt_l |
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| 322 | f2_mg(k,l) = 1.0 / ( dzu_mg(k+1,l) * dzw_mg(k,l) ) |
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| 323 | f3_mg(k,l) = 1.0 / ( dzu_mg(k,l) * dzw_mg(k,l) ) |
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| 324 | f1_mg(k,l) = 2.0 * ( ddx2_mg(l) + ddy2_mg(l) ) + & |
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| 325 | f2_mg(k,l) + f3_mg(k,l) |
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| 326 | ENDDO |
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| 327 | nzt_l = nzt_l / 2 |
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| 328 | dx_l = dx_l * 2.0 |
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| 329 | dy_l = dy_l * 2.0 |
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| 330 | ENDDO |
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| 331 | |
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| 332 | ENDIF |
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| 333 | |
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| 334 | ! |
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| 335 | !-- Compute the reciprocal values of the horizontal grid lengths. |
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| 336 | ddx = 1.0 / dx |
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| 337 | ddy = 1.0 / dy |
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| 338 | dx2 = dx * dx |
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| 339 | dy2 = dy * dy |
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| 340 | ddx2 = 1.0 / dx2 |
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| 341 | ddy2 = 1.0 / dy2 |
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| 342 | |
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| 343 | ! |
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| 344 | !-- Compute the grid-dependent mixing length. |
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| 345 | DO k = 1, nzt |
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| 346 | l_grid(k) = ( dx * dy * dzw(k) )**0.33333333333333 |
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| 347 | ENDDO |
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| 348 | |
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| 349 | ! |
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| 350 | !-- Allocate outer and inner index arrays for topography and set |
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[114] | 351 | !-- defaults. |
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| 352 | !-- nzb_local has to contain additional layers of ghost points for calculating |
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| 353 | !-- the flag arrays needed for the multigrid method |
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| 354 | gls = 2**( maximum_grid_level ) |
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[861] | 355 | IF ( gls < nbgp ) gls = nbgp |
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[667] | 356 | |
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[114] | 357 | ALLOCATE( corner_nl(nys:nyn,nxl:nxr), corner_nr(nys:nyn,nxl:nxr), & |
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| 358 | corner_sl(nys:nyn,nxl:nxr), corner_sr(nys:nyn,nxl:nxr), & |
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[667] | 359 | nzb_local(-gls:ny+gls,-gls:nx+gls), & |
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| 360 | nzb_tmp(-nbgp:ny+nbgp,-nbgp:nx+nbgp), & |
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[114] | 361 | wall_l(nys:nyn,nxl:nxr), wall_n(nys:nyn,nxl:nxr), & |
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[1] | 362 | wall_r(nys:nyn,nxl:nxr), wall_s(nys:nyn,nxl:nxr) ) |
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[667] | 363 | ALLOCATE( fwxm(nysg:nyng,nxlg:nxrg), fwxp(nysg:nyng,nxlg:nxrg), & |
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| 364 | fwym(nysg:nyng,nxlg:nxrg), fwyp(nysg:nyng,nxlg:nxrg), & |
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| 365 | fxm(nysg:nyng,nxlg:nxrg), fxp(nysg:nyng,nxlg:nxrg), & |
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| 366 | fym(nysg:nyng,nxlg:nxrg), fyp(nysg:nyng,nxlg:nxrg), & |
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| 367 | nzb_s_inner(nysg:nyng,nxlg:nxrg), & |
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| 368 | nzb_s_outer(nysg:nyng,nxlg:nxrg), & |
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| 369 | nzb_u_inner(nysg:nyng,nxlg:nxrg), & |
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| 370 | nzb_u_outer(nysg:nyng,nxlg:nxrg), & |
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| 371 | nzb_v_inner(nysg:nyng,nxlg:nxrg), & |
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| 372 | nzb_v_outer(nysg:nyng,nxlg:nxrg), & |
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| 373 | nzb_w_inner(nysg:nyng,nxlg:nxrg), & |
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| 374 | nzb_w_outer(nysg:nyng,nxlg:nxrg), & |
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| 375 | nzb_diff_s_inner(nysg:nyng,nxlg:nxrg), & |
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| 376 | nzb_diff_s_outer(nysg:nyng,nxlg:nxrg), & |
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| 377 | nzb_diff_u(nysg:nyng,nxlg:nxrg), & |
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| 378 | nzb_diff_v(nysg:nyng,nxlg:nxrg), & |
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| 379 | nzb_2d(nysg:nyng,nxlg:nxrg), & |
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| 380 | wall_e_x(nysg:nyng,nxlg:nxrg), & |
---|
| 381 | wall_e_y(nysg:nyng,nxlg:nxrg), & |
---|
| 382 | wall_u(nysg:nyng,nxlg:nxrg), & |
---|
| 383 | wall_v(nysg:nyng,nxlg:nxrg), & |
---|
| 384 | wall_w_x(nysg:nyng,nxlg:nxrg), & |
---|
| 385 | wall_w_y(nysg:nyng,nxlg:nxrg) ) |
---|
[1] | 386 | |
---|
| 387 | |
---|
[667] | 388 | |
---|
| 389 | ALLOCATE( l_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
| 390 | |
---|
[818] | 391 | |
---|
[1] | 392 | nzb_s_inner = nzb; nzb_s_outer = nzb |
---|
| 393 | nzb_u_inner = nzb; nzb_u_outer = nzb |
---|
| 394 | nzb_v_inner = nzb; nzb_v_outer = nzb |
---|
| 395 | nzb_w_inner = nzb; nzb_w_outer = nzb |
---|
| 396 | |
---|
| 397 | ! |
---|
[19] | 398 | !-- Define vertical gridpoint from (or to) which on the usual finite difference |
---|
[1] | 399 | !-- form (which does not use surface fluxes) is applied |
---|
| 400 | IF ( prandtl_layer .OR. use_surface_fluxes ) THEN |
---|
| 401 | nzb_diff = nzb + 2 |
---|
| 402 | ELSE |
---|
| 403 | nzb_diff = nzb + 1 |
---|
| 404 | ENDIF |
---|
[19] | 405 | IF ( use_top_fluxes ) THEN |
---|
| 406 | nzt_diff = nzt - 1 |
---|
| 407 | ELSE |
---|
| 408 | nzt_diff = nzt |
---|
| 409 | ENDIF |
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[1] | 410 | |
---|
| 411 | nzb_diff_s_inner = nzb_diff; nzb_diff_s_outer = nzb_diff |
---|
| 412 | nzb_diff_u = nzb_diff; nzb_diff_v = nzb_diff |
---|
| 413 | |
---|
| 414 | wall_e_x = 0.0; wall_e_y = 0.0; wall_u = 0.0; wall_v = 0.0 |
---|
| 415 | wall_w_x = 0.0; wall_w_y = 0.0 |
---|
| 416 | fwxp = 1.0; fwxm = 1.0; fwyp = 1.0; fwym = 1.0 |
---|
| 417 | fxp = 1.0; fxm = 1.0; fyp = 1.0; fym = 1.0 |
---|
| 418 | |
---|
| 419 | ! |
---|
| 420 | !-- Initialize near-wall mixing length l_wall only in the vertical direction |
---|
| 421 | !-- for the moment, |
---|
| 422 | !-- multiplication with wall_adjustment_factor near the end of this routine |
---|
| 423 | l_wall(nzb,:,:) = l_grid(1) |
---|
| 424 | DO k = nzb+1, nzt |
---|
| 425 | l_wall(k,:,:) = l_grid(k) |
---|
| 426 | ENDDO |
---|
| 427 | l_wall(nzt+1,:,:) = l_grid(nzt) |
---|
| 428 | |
---|
| 429 | ALLOCATE ( vertical_influence(nzb:nzt) ) |
---|
| 430 | DO k = 1, nzt |
---|
| 431 | vertical_influence(k) = MIN ( INT( l_grid(k) / & |
---|
| 432 | ( wall_adjustment_factor * dzw(k) ) + 0.5 ), nzt - k ) |
---|
| 433 | ENDDO |
---|
| 434 | |
---|
| 435 | DO k = 1, MAXVAL( nzb_s_inner ) |
---|
| 436 | IF ( l_grid(k) > 1.5 * dx * wall_adjustment_factor .OR. & |
---|
| 437 | l_grid(k) > 1.5 * dy * wall_adjustment_factor ) THEN |
---|
[254] | 438 | WRITE( message_string, * ) 'grid anisotropy exceeds ', & |
---|
| 439 | 'threshold given by only local', & |
---|
| 440 | ' &horizontal reduction of near_wall ', & |
---|
| 441 | 'mixing length l_wall', & |
---|
| 442 | ' &starting from height level k = ', k, '.' |
---|
| 443 | CALL message( 'init_grid', 'PA0202', 0, 1, 0, 6, 0 ) |
---|
[1] | 444 | EXIT |
---|
| 445 | ENDIF |
---|
| 446 | ENDDO |
---|
| 447 | vertical_influence(0) = vertical_influence(1) |
---|
| 448 | |
---|
[667] | 449 | DO i = nxlg, nxrg |
---|
| 450 | DO j = nysg, nyng |
---|
[1] | 451 | DO k = nzb_s_inner(j,i) + 1, & |
---|
| 452 | nzb_s_inner(j,i) + vertical_influence(nzb_s_inner(j,i)) |
---|
| 453 | l_wall(k,j,i) = zu(k) - zw(nzb_s_inner(j,i)) |
---|
| 454 | ENDDO |
---|
| 455 | ENDDO |
---|
| 456 | ENDDO |
---|
| 457 | |
---|
| 458 | ! |
---|
| 459 | !-- Set outer and inner index arrays for non-flat topography. |
---|
| 460 | !-- Here consistency checks concerning domain size and periodicity are |
---|
| 461 | !-- necessary. |
---|
| 462 | !-- Within this SELECT CASE structure only nzb_local is initialized |
---|
| 463 | !-- individually depending on the chosen topography type, all other index |
---|
| 464 | !-- arrays are initialized further below. |
---|
| 465 | SELECT CASE ( TRIM( topography ) ) |
---|
| 466 | |
---|
| 467 | CASE ( 'flat' ) |
---|
| 468 | ! |
---|
[555] | 469 | !-- nzb_local is required for the multigrid solver |
---|
| 470 | nzb_local = 0 |
---|
[1] | 471 | |
---|
| 472 | CASE ( 'single_building' ) |
---|
| 473 | ! |
---|
| 474 | !-- Single rectangular building, by default centered in the middle of the |
---|
| 475 | !-- total domain |
---|
| 476 | blx = NINT( building_length_x / dx ) |
---|
| 477 | bly = NINT( building_length_y / dy ) |
---|
| 478 | bh = NINT( building_height / dz ) |
---|
| 479 | |
---|
| 480 | IF ( building_wall_left == 9999999.9 ) THEN |
---|
| 481 | building_wall_left = ( nx + 1 - blx ) / 2 * dx |
---|
| 482 | ENDIF |
---|
| 483 | bxl = NINT( building_wall_left / dx ) |
---|
| 484 | bxr = bxl + blx |
---|
| 485 | |
---|
| 486 | IF ( building_wall_south == 9999999.9 ) THEN |
---|
| 487 | building_wall_south = ( ny + 1 - bly ) / 2 * dy |
---|
| 488 | ENDIF |
---|
| 489 | bys = NINT( building_wall_south / dy ) |
---|
| 490 | byn = bys + bly |
---|
| 491 | |
---|
| 492 | ! |
---|
| 493 | !-- Building size has to meet some requirements |
---|
| 494 | IF ( ( bxl < 1 ) .OR. ( bxr > nx-1 ) .OR. ( bxr < bxl+3 ) .OR. & |
---|
| 495 | ( bys < 1 ) .OR. ( byn > ny-1 ) .OR. ( byn < bys+3 ) ) THEN |
---|
[274] | 496 | WRITE( message_string, * ) 'inconsistent building parameters:', & |
---|
| 497 | '& bxl=', bxl, 'bxr=', bxr, 'bys=', bys, & |
---|
| 498 | 'byn=', byn, 'nx=', nx, 'ny=', ny |
---|
[254] | 499 | CALL message( 'init_grid', 'PA0203', 1, 2, 0, 6, 0 ) |
---|
[1] | 500 | ENDIF |
---|
| 501 | |
---|
| 502 | ! |
---|
[217] | 503 | !-- Define the building. |
---|
[1] | 504 | nzb_local = 0 |
---|
[134] | 505 | nzb_local(bys:byn,bxl:bxr) = bh |
---|
[1] | 506 | |
---|
[240] | 507 | CASE ( 'single_street_canyon' ) |
---|
| 508 | ! |
---|
| 509 | !-- Single quasi-2D street canyon of infinite length in x or y direction. |
---|
| 510 | !-- The canyon is centered in the other direction by default. |
---|
| 511 | IF ( canyon_width_x /= 9999999.9 ) THEN |
---|
| 512 | ! |
---|
| 513 | !-- Street canyon in y direction |
---|
| 514 | cwx = NINT( canyon_width_x / dx ) |
---|
| 515 | IF ( canyon_wall_left == 9999999.9 ) THEN |
---|
| 516 | canyon_wall_left = ( nx + 1 - cwx ) / 2 * dx |
---|
| 517 | ENDIF |
---|
| 518 | cxl = NINT( canyon_wall_left / dx ) |
---|
| 519 | cxr = cxl + cwx |
---|
| 520 | |
---|
| 521 | ELSEIF ( canyon_width_y /= 9999999.9 ) THEN |
---|
| 522 | ! |
---|
| 523 | !-- Street canyon in x direction |
---|
| 524 | cwy = NINT( canyon_width_y / dy ) |
---|
| 525 | IF ( canyon_wall_south == 9999999.9 ) THEN |
---|
| 526 | canyon_wall_south = ( ny + 1 - cwy ) / 2 * dy |
---|
| 527 | ENDIF |
---|
| 528 | cys = NINT( canyon_wall_south / dy ) |
---|
| 529 | cyn = cys + cwy |
---|
| 530 | |
---|
| 531 | ELSE |
---|
[254] | 532 | |
---|
| 533 | message_string = 'no street canyon width given' |
---|
| 534 | CALL message( 'init_grid', 'PA0204', 1, 2, 0, 6, 0 ) |
---|
| 535 | |
---|
[240] | 536 | ENDIF |
---|
| 537 | |
---|
| 538 | ch = NINT( canyon_height / dz ) |
---|
| 539 | dp_level_ind_b = ch |
---|
| 540 | ! |
---|
| 541 | !-- Street canyon size has to meet some requirements |
---|
| 542 | IF ( canyon_width_x /= 9999999.9 ) THEN |
---|
| 543 | IF ( ( cxl < 1 ) .OR. ( cxr > nx-1 ) .OR. ( cwx < 3 ) .OR. & |
---|
| 544 | ( ch < 3 ) ) THEN |
---|
[254] | 545 | WRITE( message_string, * ) 'inconsistent canyon parameters:', & |
---|
[274] | 546 | '&cxl=', cxl, 'cxr=', cxr, & |
---|
| 547 | 'cwx=', cwx, & |
---|
[254] | 548 | 'ch=', ch, 'nx=', nx, 'ny=', ny |
---|
| 549 | CALL message( 'init_grid', 'PA0205', 1, 2, 0, 6, 0 ) |
---|
[240] | 550 | ENDIF |
---|
| 551 | ELSEIF ( canyon_width_y /= 9999999.9 ) THEN |
---|
| 552 | IF ( ( cys < 1 ) .OR. ( cyn > ny-1 ) .OR. ( cwy < 3 ) .OR. & |
---|
| 553 | ( ch < 3 ) ) THEN |
---|
[254] | 554 | WRITE( message_string, * ) 'inconsistent canyon parameters:', & |
---|
[274] | 555 | '&cys=', cys, 'cyn=', cyn, & |
---|
| 556 | 'cwy=', cwy, & |
---|
[254] | 557 | 'ch=', ch, 'nx=', nx, 'ny=', ny |
---|
| 558 | CALL message( 'init_grid', 'PA0206', 1, 2, 0, 6, 0 ) |
---|
[240] | 559 | ENDIF |
---|
| 560 | ENDIF |
---|
[274] | 561 | IF ( canyon_width_x /= 9999999.9 .AND. canyon_width_y /= 9999999.9 ) & |
---|
[240] | 562 | THEN |
---|
[274] | 563 | message_string = 'inconsistent canyon parameters:' // & |
---|
[254] | 564 | '&street canyon can only be oriented' // & |
---|
| 565 | '&either in x- or in y-direction' |
---|
| 566 | CALL message( 'init_grid', 'PA0207', 1, 2, 0, 6, 0 ) |
---|
[240] | 567 | ENDIF |
---|
| 568 | |
---|
| 569 | nzb_local = ch |
---|
| 570 | IF ( canyon_width_x /= 9999999.9 ) THEN |
---|
| 571 | nzb_local(:,cxl+1:cxr-1) = 0 |
---|
| 572 | ELSEIF ( canyon_width_y /= 9999999.9 ) THEN |
---|
| 573 | nzb_local(cys+1:cyn-1,:) = 0 |
---|
| 574 | ENDIF |
---|
| 575 | |
---|
[1] | 576 | CASE ( 'read_from_file' ) |
---|
[759] | 577 | |
---|
[818] | 578 | ALLOCATE ( topo_height(0:ny,0:nx) ) |
---|
| 579 | |
---|
[759] | 580 | DO ii = 0, io_blocks-1 |
---|
| 581 | IF ( ii == io_group ) THEN |
---|
| 582 | |
---|
[1] | 583 | ! |
---|
[759] | 584 | !-- Arbitrary irregular topography data in PALM format (exactly |
---|
| 585 | !-- matching the grid size and total domain size) |
---|
| 586 | OPEN( 90, FILE='TOPOGRAPHY_DATA', STATUS='OLD', & |
---|
| 587 | FORM='FORMATTED', ERR=10 ) |
---|
| 588 | DO j = ny, 0, -1 |
---|
| 589 | READ( 90, *, ERR=11, END=11 ) ( topo_height(j,i), i = 0,nx ) |
---|
| 590 | ENDDO |
---|
| 591 | |
---|
| 592 | GOTO 12 |
---|
| 593 | |
---|
| 594 | 10 message_string = 'file TOPOGRAPHY_DATA does not exist' |
---|
| 595 | CALL message( 'init_grid', 'PA0208', 1, 2, 0, 6, 0 ) |
---|
| 596 | |
---|
| 597 | 11 message_string = 'errors in file TOPOGRAPHY_DATA' |
---|
| 598 | CALL message( 'init_grid', 'PA0209', 1, 2, 0, 6, 0 ) |
---|
| 599 | |
---|
| 600 | 12 CLOSE( 90 ) |
---|
| 601 | |
---|
| 602 | ENDIF |
---|
[809] | 603 | #if defined( __parallel ) && ! defined ( __check ) |
---|
[759] | 604 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 605 | #endif |
---|
[559] | 606 | ENDDO |
---|
[759] | 607 | |
---|
[1] | 608 | ! |
---|
| 609 | !-- Calculate the index height of the topography |
---|
| 610 | DO i = 0, nx |
---|
| 611 | DO j = 0, ny |
---|
| 612 | nzb_local(j,i) = NINT( topo_height(j,i) / dz ) |
---|
| 613 | ENDDO |
---|
| 614 | ENDDO |
---|
[818] | 615 | |
---|
| 616 | DEALLOCATE ( topo_height ) |
---|
[114] | 617 | ! |
---|
[759] | 618 | !-- Add cyclic boundaries (additional layers are for calculating |
---|
| 619 | !-- flag arrays needed for the multigrid sover) |
---|
[114] | 620 | nzb_local(-gls:-1,0:nx) = nzb_local(ny-gls+1:ny,0:nx) |
---|
| 621 | nzb_local(ny+1:ny+gls,0:nx) = nzb_local(0:gls-1,0:nx) |
---|
| 622 | nzb_local(:,-gls:-1) = nzb_local(:,nx-gls+1:nx) |
---|
| 623 | nzb_local(:,nx+1:nx+gls) = nzb_local(:,0:gls-1) |
---|
[667] | 624 | |
---|
[1] | 625 | CASE DEFAULT |
---|
| 626 | ! |
---|
| 627 | !-- The DEFAULT case is reached either if the parameter topography |
---|
[217] | 628 | !-- contains a wrong character string or if the user has defined a special |
---|
[1] | 629 | !-- case in the user interface. There, the subroutine user_init_grid |
---|
| 630 | !-- checks which of these two conditions applies. |
---|
[114] | 631 | CALL user_init_grid( gls, nzb_local ) |
---|
[1] | 632 | |
---|
| 633 | END SELECT |
---|
| 634 | ! |
---|
[861] | 635 | !-- Determine the maximum level of topography. Furthermore it is used for |
---|
| 636 | !-- steering the degradation of order of the applied advection scheme. |
---|
[978] | 637 | !-- In case of non-cyclic lateral boundaries, the order of the advection |
---|
[996] | 638 | !-- scheme have to be reduced up to nzt (required at the lateral boundaries). |
---|
[861] | 639 | nzb_max = MAXVAL( nzb_local ) |
---|
[978] | 640 | IF ( inflow_l .OR. outflow_l .OR. inflow_r .OR. outflow_r .OR. & |
---|
| 641 | inflow_n .OR. outflow_n .OR. inflow_s .OR. outflow_s ) THEN |
---|
| 642 | nzb_max = nzt |
---|
| 643 | ENDIF |
---|
| 644 | |
---|
[861] | 645 | ! |
---|
[1] | 646 | !-- Consistency checks and index array initialization are only required for |
---|
[217] | 647 | !-- non-flat topography, also the initialization of topography height arrays |
---|
[49] | 648 | !-- zu_s_inner and zw_w_inner |
---|
[1] | 649 | IF ( TRIM( topography ) /= 'flat' ) THEN |
---|
| 650 | |
---|
| 651 | ! |
---|
| 652 | !-- Consistency checks |
---|
| 653 | IF ( MINVAL( nzb_local ) < 0 .OR. MAXVAL( nzb_local ) > nz + 1 ) THEN |
---|
[274] | 654 | WRITE( message_string, * ) 'nzb_local values are outside the', & |
---|
| 655 | 'model domain', & |
---|
| 656 | '&MINVAL( nzb_local ) = ', MINVAL(nzb_local), & |
---|
| 657 | '&MAXVAL( nzb_local ) = ', MAXVAL(nzb_local) |
---|
[254] | 658 | CALL message( 'init_grid', 'PA0210', 1, 2, 0, 6, 0 ) |
---|
[1] | 659 | ENDIF |
---|
| 660 | |
---|
[722] | 661 | IF ( bc_lr == 'cyclic' ) THEN |
---|
[1] | 662 | IF ( ANY( nzb_local(:,-1) /= nzb_local(:,nx) ) .OR. & |
---|
| 663 | ANY( nzb_local(:,0) /= nzb_local(:,nx+1) ) ) THEN |
---|
[254] | 664 | message_string = 'nzb_local does not fulfill cyclic' // & |
---|
| 665 | ' boundary condition in x-direction' |
---|
| 666 | CALL message( 'init_grid', 'PA0211', 1, 2, 0, 6, 0 ) |
---|
[1] | 667 | ENDIF |
---|
| 668 | ENDIF |
---|
[722] | 669 | IF ( bc_ns == 'cyclic' ) THEN |
---|
[1] | 670 | IF ( ANY( nzb_local(-1,:) /= nzb_local(ny,:) ) .OR. & |
---|
| 671 | ANY( nzb_local(0,:) /= nzb_local(ny+1,:) ) ) THEN |
---|
[254] | 672 | message_string = 'nzb_local does not fulfill cyclic' // & |
---|
| 673 | ' boundary condition in y-direction' |
---|
| 674 | CALL message( 'init_grid', 'PA0212', 1, 2, 0, 6, 0 ) |
---|
[1] | 675 | ENDIF |
---|
| 676 | ENDIF |
---|
| 677 | |
---|
[217] | 678 | IF ( topography_grid_convention == 'cell_edge' ) THEN |
---|
[134] | 679 | ! |
---|
[217] | 680 | !-- The array nzb_local as defined using the 'cell_edge' convention |
---|
| 681 | !-- describes the actual total size of topography which is defined at the |
---|
| 682 | !-- cell edges where u=0 on the topography walls in x-direction and v=0 |
---|
| 683 | !-- on the topography walls in y-direction. However, PALM uses individual |
---|
| 684 | !-- arrays nzb_u|v|w|s_inner|outer that are based on nzb_s_inner. |
---|
| 685 | !-- Therefore, the extent of topography in nzb_local is now reduced by |
---|
| 686 | !-- 1dx at the E topography walls and by 1dy at the N topography walls |
---|
| 687 | !-- to form the basis for nzb_s_inner. |
---|
| 688 | DO j = -gls, ny + gls |
---|
| 689 | DO i = -gls, nx |
---|
| 690 | nzb_local(j,i) = MIN( nzb_local(j,i), nzb_local(j,i+1) ) |
---|
| 691 | ENDDO |
---|
[134] | 692 | ENDDO |
---|
[217] | 693 | !-- apply cyclic boundary conditions in x-direction |
---|
| 694 | !(ist das erforderlich? Ursache von Seung Bus Fehler?) |
---|
| 695 | nzb_local(:,nx+1:nx+gls) = nzb_local(:,0:gls-1) |
---|
| 696 | DO i = -gls, nx + gls |
---|
| 697 | DO j = -gls, ny |
---|
| 698 | nzb_local(j,i) = MIN( nzb_local(j,i), nzb_local(j+1,i) ) |
---|
| 699 | ENDDO |
---|
[134] | 700 | ENDDO |
---|
[217] | 701 | !-- apply cyclic boundary conditions in y-direction |
---|
| 702 | !(ist das erforderlich? Ursache von Seung Bus Fehler?) |
---|
| 703 | nzb_local(ny+1:ny+gls,:) = nzb_local(0:gls-1,:) |
---|
| 704 | ENDIF |
---|
[134] | 705 | |
---|
[1] | 706 | ! |
---|
| 707 | !-- Initialize index arrays nzb_s_inner and nzb_w_inner |
---|
[861] | 708 | nzb_s_inner = nzb_local(nysg:nyng,nxlg:nxrg) |
---|
| 709 | nzb_w_inner = nzb_local(nysg:nyng,nxlg:nxrg) |
---|
[1] | 710 | |
---|
| 711 | ! |
---|
| 712 | !-- Initialize remaining index arrays: |
---|
| 713 | !-- first pre-initialize them with nzb_s_inner... |
---|
| 714 | nzb_u_inner = nzb_s_inner |
---|
| 715 | nzb_u_outer = nzb_s_inner |
---|
| 716 | nzb_v_inner = nzb_s_inner |
---|
| 717 | nzb_v_outer = nzb_s_inner |
---|
| 718 | nzb_w_outer = nzb_s_inner |
---|
| 719 | nzb_s_outer = nzb_s_inner |
---|
| 720 | |
---|
| 721 | ! |
---|
| 722 | !-- ...then extend pre-initialized arrays in their according directions |
---|
| 723 | !-- based on nzb_local using nzb_tmp as a temporary global index array |
---|
| 724 | |
---|
| 725 | ! |
---|
| 726 | !-- nzb_s_outer: |
---|
| 727 | !-- extend nzb_local east-/westwards first, then north-/southwards |
---|
[667] | 728 | nzb_tmp = nzb_local(-nbgp:ny+nbgp,-nbgp:nx+nbgp) |
---|
[1] | 729 | DO j = -1, ny + 1 |
---|
| 730 | DO i = 0, nx |
---|
| 731 | nzb_tmp(j,i) = MAX( nzb_local(j,i-1), nzb_local(j,i), & |
---|
| 732 | nzb_local(j,i+1) ) |
---|
| 733 | ENDDO |
---|
| 734 | ENDDO |
---|
| 735 | DO i = nxl, nxr |
---|
| 736 | DO j = nys, nyn |
---|
| 737 | nzb_s_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i), & |
---|
| 738 | nzb_tmp(j+1,i) ) |
---|
| 739 | ENDDO |
---|
| 740 | ! |
---|
| 741 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 742 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 743 | IF ( nys == 0 ) THEN |
---|
| 744 | j = -1 |
---|
| 745 | nzb_s_outer(j,i) = MAX( nzb_tmp(j+1,i), nzb_tmp(j,i) ) |
---|
| 746 | ENDIF |
---|
| 747 | IF ( nys == ny ) THEN |
---|
| 748 | j = ny + 1 |
---|
| 749 | nzb_s_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i) ) |
---|
| 750 | ENDIF |
---|
| 751 | ENDDO |
---|
| 752 | ! |
---|
| 753 | !-- nzb_w_outer: |
---|
| 754 | !-- identical to nzb_s_outer |
---|
| 755 | nzb_w_outer = nzb_s_outer |
---|
| 756 | |
---|
| 757 | ! |
---|
| 758 | !-- nzb_u_inner: |
---|
| 759 | !-- extend nzb_local rightwards only |
---|
[667] | 760 | nzb_tmp = nzb_local(-nbgp:ny+nbgp,-nbgp:nx+nbgp) |
---|
[1] | 761 | DO j = -1, ny + 1 |
---|
| 762 | DO i = 0, nx + 1 |
---|
| 763 | nzb_tmp(j,i) = MAX( nzb_local(j,i-1), nzb_local(j,i) ) |
---|
| 764 | ENDDO |
---|
| 765 | ENDDO |
---|
[667] | 766 | nzb_u_inner = nzb_tmp(nysg:nyng,nxlg:nxrg) |
---|
[1] | 767 | |
---|
| 768 | ! |
---|
| 769 | !-- nzb_u_outer: |
---|
| 770 | !-- extend current nzb_tmp (nzb_u_inner) north-/southwards |
---|
| 771 | DO i = nxl, nxr |
---|
| 772 | DO j = nys, nyn |
---|
| 773 | nzb_u_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i), & |
---|
| 774 | nzb_tmp(j+1,i) ) |
---|
| 775 | ENDDO |
---|
| 776 | ! |
---|
| 777 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 778 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 779 | IF ( nys == 0 ) THEN |
---|
| 780 | j = -1 |
---|
| 781 | nzb_u_outer(j,i) = MAX( nzb_tmp(j+1,i), nzb_tmp(j,i) ) |
---|
| 782 | ENDIF |
---|
| 783 | IF ( nys == ny ) THEN |
---|
| 784 | j = ny + 1 |
---|
| 785 | nzb_u_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i) ) |
---|
| 786 | ENDIF |
---|
| 787 | ENDDO |
---|
| 788 | |
---|
| 789 | ! |
---|
| 790 | !-- nzb_v_inner: |
---|
| 791 | !-- extend nzb_local northwards only |
---|
[667] | 792 | nzb_tmp = nzb_local(-nbgp:ny+nbgp,-nbgp:nx+nbgp) |
---|
[1] | 793 | DO i = -1, nx + 1 |
---|
| 794 | DO j = 0, ny + 1 |
---|
| 795 | nzb_tmp(j,i) = MAX( nzb_local(j-1,i), nzb_local(j,i) ) |
---|
| 796 | ENDDO |
---|
| 797 | ENDDO |
---|
[667] | 798 | nzb_v_inner = nzb_tmp(nys-nbgp:nyn+nbgp,nxl-nbgp:nxr+nbgp) |
---|
[1] | 799 | |
---|
| 800 | ! |
---|
| 801 | !-- nzb_v_outer: |
---|
| 802 | !-- extend current nzb_tmp (nzb_v_inner) right-/leftwards |
---|
| 803 | DO j = nys, nyn |
---|
| 804 | DO i = nxl, nxr |
---|
| 805 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i-1), nzb_tmp(j,i), & |
---|
| 806 | nzb_tmp(j,i+1) ) |
---|
| 807 | ENDDO |
---|
| 808 | ! |
---|
| 809 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 810 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 811 | IF ( nxl == 0 ) THEN |
---|
| 812 | i = -1 |
---|
| 813 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i+1), nzb_tmp(j,i) ) |
---|
| 814 | ENDIF |
---|
| 815 | IF ( nxr == nx ) THEN |
---|
| 816 | i = nx + 1 |
---|
| 817 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i-1), nzb_tmp(j,i) ) |
---|
| 818 | ENDIF |
---|
| 819 | ENDDO |
---|
[809] | 820 | #if ! defined ( __check ) |
---|
[1] | 821 | ! |
---|
| 822 | !-- Exchange of lateral boundary values (parallel computers) and cyclic |
---|
| 823 | !-- boundary conditions, if applicable. |
---|
| 824 | !-- Since nzb_s_inner and nzb_w_inner are derived directly from nzb_local |
---|
| 825 | !-- they do not require exchange and are not included here. |
---|
| 826 | CALL exchange_horiz_2d_int( nzb_u_inner ) |
---|
| 827 | CALL exchange_horiz_2d_int( nzb_u_outer ) |
---|
| 828 | CALL exchange_horiz_2d_int( nzb_v_inner ) |
---|
| 829 | CALL exchange_horiz_2d_int( nzb_v_outer ) |
---|
| 830 | CALL exchange_horiz_2d_int( nzb_w_outer ) |
---|
| 831 | CALL exchange_horiz_2d_int( nzb_s_outer ) |
---|
| 832 | |
---|
[49] | 833 | ! |
---|
| 834 | !-- Allocate and set the arrays containing the topography height |
---|
| 835 | IF ( myid == 0 ) THEN |
---|
| 836 | |
---|
| 837 | ALLOCATE( zu_s_inner(0:nx+1,0:ny+1), zw_w_inner(0:nx+1,0:ny+1) ) |
---|
| 838 | |
---|
| 839 | DO i = 0, nx + 1 |
---|
| 840 | DO j = 0, ny + 1 |
---|
| 841 | zu_s_inner(i,j) = zu(nzb_local(j,i)) |
---|
| 842 | zw_w_inner(i,j) = zw(nzb_local(j,i)) |
---|
| 843 | ENDDO |
---|
| 844 | ENDDO |
---|
| 845 | |
---|
| 846 | ENDIF |
---|
[807] | 847 | #endif |
---|
[1] | 848 | ENDIF |
---|
| 849 | |
---|
[809] | 850 | #if ! defined ( __check ) |
---|
[1] | 851 | ! |
---|
| 852 | !-- Preliminary: to be removed after completion of the topography code! |
---|
| 853 | !-- Set the former default k index arrays nzb_2d |
---|
| 854 | nzb_2d = nzb |
---|
| 855 | |
---|
| 856 | ! |
---|
| 857 | !-- Set the individual index arrays which define the k index from which on |
---|
| 858 | !-- the usual finite difference form (which does not use surface fluxes) is |
---|
| 859 | !-- applied |
---|
| 860 | IF ( prandtl_layer .OR. use_surface_fluxes ) THEN |
---|
| 861 | nzb_diff_u = nzb_u_inner + 2 |
---|
| 862 | nzb_diff_v = nzb_v_inner + 2 |
---|
| 863 | nzb_diff_s_inner = nzb_s_inner + 2 |
---|
| 864 | nzb_diff_s_outer = nzb_s_outer + 2 |
---|
| 865 | ELSE |
---|
| 866 | nzb_diff_u = nzb_u_inner + 1 |
---|
| 867 | nzb_diff_v = nzb_v_inner + 1 |
---|
| 868 | nzb_diff_s_inner = nzb_s_inner + 1 |
---|
| 869 | nzb_diff_s_outer = nzb_s_outer + 1 |
---|
| 870 | ENDIF |
---|
| 871 | |
---|
| 872 | ! |
---|
| 873 | !-- Calculation of wall switches and factors required by diffusion_u/v.f90 and |
---|
| 874 | !-- for limitation of near-wall mixing length l_wall further below |
---|
| 875 | corner_nl = 0 |
---|
| 876 | corner_nr = 0 |
---|
| 877 | corner_sl = 0 |
---|
| 878 | corner_sr = 0 |
---|
| 879 | wall_l = 0 |
---|
| 880 | wall_n = 0 |
---|
| 881 | wall_r = 0 |
---|
| 882 | wall_s = 0 |
---|
| 883 | |
---|
| 884 | DO i = nxl, nxr |
---|
| 885 | DO j = nys, nyn |
---|
| 886 | ! |
---|
| 887 | !-- u-component |
---|
| 888 | IF ( nzb_u_outer(j,i) > nzb_u_outer(j+1,i) ) THEN |
---|
| 889 | wall_u(j,i) = 1.0 ! north wall (location of adjacent fluid) |
---|
| 890 | fym(j,i) = 0.0 |
---|
| 891 | fyp(j,i) = 1.0 |
---|
| 892 | ELSEIF ( nzb_u_outer(j,i) > nzb_u_outer(j-1,i) ) THEN |
---|
| 893 | wall_u(j,i) = 1.0 ! south wall (location of adjacent fluid) |
---|
| 894 | fym(j,i) = 1.0 |
---|
| 895 | fyp(j,i) = 0.0 |
---|
| 896 | ENDIF |
---|
| 897 | ! |
---|
| 898 | !-- v-component |
---|
| 899 | IF ( nzb_v_outer(j,i) > nzb_v_outer(j,i+1) ) THEN |
---|
| 900 | wall_v(j,i) = 1.0 ! rigth wall (location of adjacent fluid) |
---|
| 901 | fxm(j,i) = 0.0 |
---|
| 902 | fxp(j,i) = 1.0 |
---|
| 903 | ELSEIF ( nzb_v_outer(j,i) > nzb_v_outer(j,i-1) ) THEN |
---|
| 904 | wall_v(j,i) = 1.0 ! left wall (location of adjacent fluid) |
---|
| 905 | fxm(j,i) = 1.0 |
---|
| 906 | fxp(j,i) = 0.0 |
---|
| 907 | ENDIF |
---|
| 908 | ! |
---|
| 909 | !-- w-component, also used for scalars, separate arrays for shear |
---|
| 910 | !-- production of tke |
---|
| 911 | IF ( nzb_w_outer(j,i) > nzb_w_outer(j+1,i) ) THEN |
---|
| 912 | wall_e_y(j,i) = 1.0 ! north wall (location of adjacent fluid) |
---|
| 913 | wall_w_y(j,i) = 1.0 |
---|
| 914 | fwym(j,i) = 0.0 |
---|
| 915 | fwyp(j,i) = 1.0 |
---|
| 916 | ELSEIF ( nzb_w_outer(j,i) > nzb_w_outer(j-1,i) ) THEN |
---|
| 917 | wall_e_y(j,i) = -1.0 ! south wall (location of adjacent fluid) |
---|
| 918 | wall_w_y(j,i) = 1.0 |
---|
| 919 | fwym(j,i) = 1.0 |
---|
| 920 | fwyp(j,i) = 0.0 |
---|
| 921 | ENDIF |
---|
| 922 | IF ( nzb_w_outer(j,i) > nzb_w_outer(j,i+1) ) THEN |
---|
| 923 | wall_e_x(j,i) = 1.0 ! right wall (location of adjacent fluid) |
---|
| 924 | wall_w_x(j,i) = 1.0 |
---|
| 925 | fwxm(j,i) = 0.0 |
---|
| 926 | fwxp(j,i) = 1.0 |
---|
| 927 | ELSEIF ( nzb_w_outer(j,i) > nzb_w_outer(j,i-1) ) THEN |
---|
| 928 | wall_e_x(j,i) = -1.0 ! left wall (location of adjacent fluid) |
---|
| 929 | wall_w_x(j,i) = 1.0 |
---|
| 930 | fwxm(j,i) = 1.0 |
---|
| 931 | fwxp(j,i) = 0.0 |
---|
| 932 | ENDIF |
---|
| 933 | ! |
---|
| 934 | !-- Wall and corner locations inside buildings for limitation of |
---|
| 935 | !-- near-wall mixing length l_wall |
---|
| 936 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j+1,i) ) THEN |
---|
| 937 | |
---|
| 938 | wall_n(j,i) = nzb_s_inner(j+1,i) + 1 ! North wall |
---|
| 939 | |
---|
| 940 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 941 | corner_nl(j,i) = MAX( nzb_s_inner(j+1,i), & ! Northleft corner |
---|
| 942 | nzb_s_inner(j,i-1) ) + 1 |
---|
| 943 | ENDIF |
---|
| 944 | |
---|
| 945 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 946 | corner_nr(j,i) = MAX( nzb_s_inner(j+1,i), & ! Northright corner |
---|
| 947 | nzb_s_inner(j,i+1) ) + 1 |
---|
| 948 | ENDIF |
---|
| 949 | |
---|
| 950 | ENDIF |
---|
| 951 | |
---|
| 952 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j-1,i) ) THEN |
---|
| 953 | |
---|
| 954 | wall_s(j,i) = nzb_s_inner(j-1,i) + 1 ! South wall |
---|
| 955 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 956 | corner_sl(j,i) = MAX( nzb_s_inner(j-1,i), & ! Southleft corner |
---|
| 957 | nzb_s_inner(j,i-1) ) + 1 |
---|
| 958 | ENDIF |
---|
| 959 | |
---|
| 960 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 961 | corner_sr(j,i) = MAX( nzb_s_inner(j-1,i), & ! Southright corner |
---|
| 962 | nzb_s_inner(j,i+1) ) + 1 |
---|
| 963 | ENDIF |
---|
| 964 | |
---|
| 965 | ENDIF |
---|
| 966 | |
---|
| 967 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 968 | wall_l(j,i) = nzb_s_inner(j,i-1) + 1 ! Left wall |
---|
| 969 | ENDIF |
---|
| 970 | |
---|
| 971 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 972 | wall_r(j,i) = nzb_s_inner(j,i+1) + 1 ! Right wall |
---|
| 973 | ENDIF |
---|
| 974 | |
---|
| 975 | ENDDO |
---|
| 976 | ENDDO |
---|
| 977 | |
---|
| 978 | ! |
---|
[114] | 979 | !-- Calculate wall flag arrays for the multigrid method |
---|
| 980 | IF ( psolver == 'multigrid' ) THEN |
---|
| 981 | ! |
---|
| 982 | !-- Gridpoint increment of the current level |
---|
| 983 | inc = 1 |
---|
| 984 | |
---|
| 985 | DO l = maximum_grid_level, 1 , -1 |
---|
| 986 | |
---|
| 987 | nxl_l = nxl_mg(l) |
---|
| 988 | nxr_l = nxr_mg(l) |
---|
| 989 | nys_l = nys_mg(l) |
---|
| 990 | nyn_l = nyn_mg(l) |
---|
| 991 | nzt_l = nzt_mg(l) |
---|
| 992 | |
---|
| 993 | ! |
---|
| 994 | !-- Assign the flag level to be calculated |
---|
| 995 | SELECT CASE ( l ) |
---|
| 996 | CASE ( 1 ) |
---|
| 997 | flags => wall_flags_1 |
---|
| 998 | CASE ( 2 ) |
---|
| 999 | flags => wall_flags_2 |
---|
| 1000 | CASE ( 3 ) |
---|
| 1001 | flags => wall_flags_3 |
---|
| 1002 | CASE ( 4 ) |
---|
| 1003 | flags => wall_flags_4 |
---|
| 1004 | CASE ( 5 ) |
---|
| 1005 | flags => wall_flags_5 |
---|
| 1006 | CASE ( 6 ) |
---|
| 1007 | flags => wall_flags_6 |
---|
| 1008 | CASE ( 7 ) |
---|
| 1009 | flags => wall_flags_7 |
---|
| 1010 | CASE ( 8 ) |
---|
| 1011 | flags => wall_flags_8 |
---|
| 1012 | CASE ( 9 ) |
---|
| 1013 | flags => wall_flags_9 |
---|
| 1014 | CASE ( 10 ) |
---|
| 1015 | flags => wall_flags_10 |
---|
| 1016 | END SELECT |
---|
| 1017 | |
---|
| 1018 | ! |
---|
| 1019 | !-- Depending on the grid level, set the respective bits in case of |
---|
| 1020 | !-- neighbouring walls |
---|
| 1021 | !-- Bit 0: wall to the bottom |
---|
| 1022 | !-- Bit 1: wall to the top (not realized in remaining PALM code so far) |
---|
| 1023 | !-- Bit 2: wall to the south |
---|
| 1024 | !-- Bit 3: wall to the north |
---|
| 1025 | !-- Bit 4: wall to the left |
---|
| 1026 | !-- Bit 5: wall to the right |
---|
[116] | 1027 | !-- Bit 6: inside building |
---|
[114] | 1028 | |
---|
| 1029 | flags = 0 |
---|
| 1030 | |
---|
[927] | 1031 | ! |
---|
| 1032 | !-- In case of masking method, flags are not set and multigrid method |
---|
| 1033 | !-- works like FFT-solver |
---|
| 1034 | IF ( .NOT. masking_method ) THEN |
---|
| 1035 | |
---|
| 1036 | DO i = nxl_l-1, nxr_l+1 |
---|
| 1037 | DO j = nys_l-1, nyn_l+1 |
---|
| 1038 | DO k = nzb, nzt_l+1 |
---|
[114] | 1039 | |
---|
| 1040 | ! |
---|
[927] | 1041 | !-- Inside/outside building (inside building does not need |
---|
| 1042 | !-- further tests for walls) |
---|
| 1043 | IF ( k*inc <= nzb_local(j*inc,i*inc) ) THEN |
---|
[114] | 1044 | |
---|
[927] | 1045 | flags(k,j,i) = IBSET( flags(k,j,i), 6 ) |
---|
[114] | 1046 | |
---|
[927] | 1047 | ELSE |
---|
[114] | 1048 | ! |
---|
[927] | 1049 | !-- Bottom wall |
---|
| 1050 | IF ( (k-1)*inc <= nzb_local(j*inc,i*inc) ) THEN |
---|
| 1051 | flags(k,j,i) = IBSET( flags(k,j,i), 0 ) |
---|
| 1052 | ENDIF |
---|
[114] | 1053 | ! |
---|
[927] | 1054 | !-- South wall |
---|
| 1055 | IF ( k*inc <= nzb_local((j-1)*inc,i*inc) ) THEN |
---|
| 1056 | flags(k,j,i) = IBSET( flags(k,j,i), 2 ) |
---|
| 1057 | ENDIF |
---|
[114] | 1058 | ! |
---|
[927] | 1059 | !-- North wall |
---|
| 1060 | IF ( k*inc <= nzb_local((j+1)*inc,i*inc) ) THEN |
---|
| 1061 | flags(k,j,i) = IBSET( flags(k,j,i), 3 ) |
---|
| 1062 | ENDIF |
---|
[114] | 1063 | ! |
---|
[927] | 1064 | !-- Left wall |
---|
| 1065 | IF ( k*inc <= nzb_local(j*inc,(i-1)*inc) ) THEN |
---|
| 1066 | flags(k,j,i) = IBSET( flags(k,j,i), 4 ) |
---|
| 1067 | ENDIF |
---|
[114] | 1068 | ! |
---|
[927] | 1069 | !-- Right wall |
---|
| 1070 | IF ( k*inc <= nzb_local(j*inc,(i+1)*inc) ) THEN |
---|
| 1071 | flags(k,j,i) = IBSET( flags(k,j,i), 5 ) |
---|
| 1072 | ENDIF |
---|
| 1073 | |
---|
[114] | 1074 | ENDIF |
---|
| 1075 | |
---|
[927] | 1076 | ENDDO |
---|
[114] | 1077 | ENDDO |
---|
| 1078 | ENDDO |
---|
| 1079 | |
---|
[927] | 1080 | ENDIF |
---|
| 1081 | |
---|
[114] | 1082 | ! |
---|
| 1083 | !-- Test output of flag arrays |
---|
[145] | 1084 | ! i = nxl_l |
---|
| 1085 | ! WRITE (9,*) ' ' |
---|
| 1086 | ! WRITE (9,*) '*** mg level ', l, ' ***', mg_switch_to_pe0_level |
---|
| 1087 | ! WRITE (9,*) ' inc=', inc, ' i =', nxl_l |
---|
| 1088 | ! WRITE (9,*) ' nxl_l',nxl_l,' nxr_l=',nxr_l,' nys_l=',nys_l,' nyn_l=',nyn_l |
---|
| 1089 | ! DO k = nzt_l+1, nzb, -1 |
---|
| 1090 | ! WRITE (9,'(194(1X,I2))') ( flags(k,j,i), j = nys_l-1, nyn_l+1 ) |
---|
| 1091 | ! ENDDO |
---|
[114] | 1092 | |
---|
| 1093 | inc = inc * 2 |
---|
| 1094 | |
---|
| 1095 | ENDDO |
---|
| 1096 | |
---|
| 1097 | ENDIF |
---|
[861] | 1098 | ! |
---|
| 1099 | !-- Allocate flags needed for masking walls. |
---|
| 1100 | ALLOCATE( wall_flags_0(nzb:nzt,nys:nyn,nxl:nxr) ) |
---|
| 1101 | wall_flags_0 = 0 |
---|
[114] | 1102 | |
---|
[861] | 1103 | IF ( scalar_advec == 'ws-scheme' ) THEN |
---|
[114] | 1104 | ! |
---|
[861] | 1105 | !-- Set flags to steer the degradation of the advection scheme in advec_ws |
---|
| 1106 | !-- near topography, inflow- and outflow boundaries as well as bottom and |
---|
| 1107 | !-- top of model domain. wall_flags_0 remains zero for all non-prognostic |
---|
| 1108 | !-- grid points. |
---|
| 1109 | DO i = nxl, nxr |
---|
| 1110 | DO j = nys, nyn |
---|
| 1111 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 1112 | ! |
---|
| 1113 | !-- scalar - x-direction |
---|
| 1114 | !-- WS1 (0), WS3 (1), WS5 (2) |
---|
[978] | 1115 | IF ( k <= nzb_s_inner(j,i+1) .OR. ( ( inflow_l .OR. outflow_l )& |
---|
| 1116 | .AND. i == nxl ) .OR. ( ( inflow_r .OR. outflow_r ) & |
---|
| 1117 | .AND. i == nxr ) ) THEN |
---|
[861] | 1118 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 0 ) |
---|
| 1119 | ELSEIF ( k <= nzb_s_inner(j,i+2) .OR. k <= nzb_s_inner(j,i-1) & |
---|
[978] | 1120 | .OR. ( ( inflow_r .OR. outflow_r ) .AND. i == nxr-1 ) & |
---|
| 1121 | .OR. ( ( inflow_l .OR. outflow_l ) .AND. i == nxlu ) & |
---|
| 1122 | ) THEN |
---|
[861] | 1123 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 1 ) |
---|
| 1124 | ELSE |
---|
| 1125 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 2 ) |
---|
| 1126 | ENDIF |
---|
| 1127 | ! |
---|
| 1128 | !-- scalar - y-direction |
---|
| 1129 | !-- WS1 (3), WS3 (4), WS5 (5) |
---|
[978] | 1130 | IF ( k <= nzb_s_inner(j+1,i) .OR. ( ( inflow_s .OR. outflow_s )& |
---|
| 1131 | .AND. j == nys ) .OR. ( ( inflow_n .OR. outflow_n ) & |
---|
| 1132 | .AND. j == nyn ) ) THEN |
---|
[861] | 1133 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 3 ) |
---|
| 1134 | !-- WS3 |
---|
| 1135 | ELSEIF ( k <= nzb_s_inner(j+2,i) .OR. k <= nzb_s_inner(j-1,i) & |
---|
[978] | 1136 | .OR. ( ( inflow_s .OR. outflow_s ) .AND. j == nysv ) & |
---|
| 1137 | .OR. ( ( inflow_n .OR. outflow_n ) .AND. j == nyn-1 ) & |
---|
| 1138 | ) THEN |
---|
[861] | 1139 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 4 ) |
---|
| 1140 | !-- WS5 |
---|
| 1141 | ELSE |
---|
| 1142 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 5 ) |
---|
| 1143 | ENDIF |
---|
| 1144 | ! |
---|
| 1145 | !-- scalar - z-direction |
---|
| 1146 | !-- WS1 (6), WS3 (7), WS5 (8) |
---|
| 1147 | flag_set = .FALSE. |
---|
| 1148 | IF ( k == nzb_s_inner(j,i) + 1 .OR. k == nzt ) THEN |
---|
| 1149 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 6 ) |
---|
| 1150 | flag_set = .TRUE. |
---|
| 1151 | ELSEIF ( k == nzb_s_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
| 1152 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 7 ) |
---|
| 1153 | flag_set = .TRUE. |
---|
| 1154 | ELSEIF ( k > nzb_s_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
| 1155 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 8 ) |
---|
| 1156 | ENDIF |
---|
| 1157 | ENDDO |
---|
| 1158 | ENDDO |
---|
| 1159 | ENDDO |
---|
| 1160 | ENDIF |
---|
| 1161 | |
---|
| 1162 | IF ( momentum_advec == 'ws-scheme' ) THEN |
---|
| 1163 | ! |
---|
| 1164 | !-- Set wall_flags_0 to steer the degradation of the advection scheme in advec_ws |
---|
| 1165 | !-- near topography, inflow- and outflow boundaries as well as bottom and |
---|
| 1166 | !-- top of model domain. wall_flags_0 remains zero for all non-prognostic |
---|
| 1167 | !-- grid points. |
---|
| 1168 | DO i = nxl, nxr |
---|
| 1169 | DO j = nys, nyn |
---|
| 1170 | DO k = nzb_u_inner(j,i)+1, nzt |
---|
| 1171 | ! |
---|
| 1172 | !-- u component - x-direction |
---|
| 1173 | !-- WS1 (9), WS3 (10), WS5 (11) |
---|
| 1174 | IF ( k <= nzb_u_inner(j,i+1) & |
---|
[978] | 1175 | .OR. ( ( inflow_l .OR. outflow_l ) .AND. i == nxlu ) & |
---|
| 1176 | .OR. ( ( inflow_r .OR. outflow_r ) .AND. i == nxr ) & |
---|
| 1177 | ) THEN |
---|
[861] | 1178 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 9 ) |
---|
| 1179 | ELSEIF ( k <= nzb_u_inner(j,i+2) .OR. k <= nzb_u_inner(j,i-1) & |
---|
[978] | 1180 | .OR. ( ( inflow_r .OR. outflow_r ) .AND. i == nxr-1 )& |
---|
| 1181 | .OR. ( ( inflow_l .OR. outflow_l ) .AND. i == nxlu+1)& |
---|
| 1182 | ) THEN |
---|
[861] | 1183 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 10 ) |
---|
| 1184 | ELSE |
---|
| 1185 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 11 ) |
---|
| 1186 | ENDIF |
---|
[978] | 1187 | |
---|
[861] | 1188 | ! |
---|
| 1189 | !-- u component - y-direction |
---|
| 1190 | !-- WS1 (12), WS3 (13), WS5 (14) |
---|
[978] | 1191 | IF ( k <= nzb_u_inner(j+1,i) .OR. ( ( inflow_s .OR. outflow_s )& |
---|
| 1192 | .AND. j == nys ) .OR. ( ( inflow_n .OR. outflow_n ) & |
---|
| 1193 | .AND. j == nyn ) ) THEN |
---|
[861] | 1194 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 12 ) |
---|
| 1195 | ELSEIF ( k <= nzb_u_inner(j+2,i) .OR. k <= nzb_u_inner(j-1,i) & |
---|
[978] | 1196 | .OR. ( ( inflow_s .OR. outflow_s ) .AND. j == nysv ) & |
---|
| 1197 | .OR. ( ( inflow_n .OR. outflow_n ) .AND. j == nyn-1 ) & |
---|
| 1198 | ) THEN |
---|
[861] | 1199 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 13 ) |
---|
| 1200 | ELSE |
---|
| 1201 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 14 ) |
---|
| 1202 | ENDIF |
---|
| 1203 | ! |
---|
| 1204 | !-- u component - z-direction |
---|
| 1205 | !-- WS1 (15), WS3 (16), WS5 (17) |
---|
| 1206 | flag_set = .FALSE. |
---|
| 1207 | IF ( k == nzb_u_inner(j,i) + 1 .OR. k == nzt ) THEN |
---|
| 1208 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 15 ) |
---|
| 1209 | flag_set = .TRUE. |
---|
| 1210 | ELSEIF ( k == nzb_u_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
| 1211 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 16 ) |
---|
| 1212 | flag_set = .TRUE. |
---|
| 1213 | ELSEIF ( k > nzb_u_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
| 1214 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 17 ) |
---|
| 1215 | ENDIF |
---|
| 1216 | |
---|
| 1217 | ENDDO |
---|
| 1218 | ENDDO |
---|
| 1219 | ENDDO |
---|
| 1220 | |
---|
| 1221 | DO i = nxl, nxr |
---|
| 1222 | DO j = nys, nyn |
---|
| 1223 | DO k = nzb_v_inner(j,i)+1, nzt |
---|
| 1224 | ! |
---|
| 1225 | !-- v component - x-direction |
---|
| 1226 | !-- WS1 (18), WS3 (19), WS5 (20) |
---|
[978] | 1227 | IF ( k <= nzb_v_inner(j,i+1) .OR. ( ( inflow_l .OR. outflow_l )& |
---|
| 1228 | .AND. i == nxl ) .OR. (( inflow_r .OR. outflow_r ) & |
---|
| 1229 | .AND. i == nxr ) ) THEN |
---|
[861] | 1230 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 18 ) |
---|
| 1231 | !-- WS3 |
---|
| 1232 | ELSEIF ( k <= nzb_v_inner(j,i+2) .OR. k <= nzb_v_inner(j,i-1) & |
---|
[978] | 1233 | .OR. ( ( inflow_r .OR. outflow_r ) .AND. i == nxr-1 ) & |
---|
| 1234 | .OR. ( ( inflow_l .OR. outflow_l ) .AND. i == nxlu ) & |
---|
| 1235 | ) THEN |
---|
[861] | 1236 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 19 ) |
---|
| 1237 | ELSE |
---|
| 1238 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 20 ) |
---|
| 1239 | ENDIF |
---|
| 1240 | ! |
---|
| 1241 | !-- v component - y-direction |
---|
| 1242 | !-- WS1 (21), WS3 (22), WS5 (23) |
---|
| 1243 | IF ( k <= nzb_v_inner(j+1,i) & |
---|
[978] | 1244 | .OR. ( ( inflow_s .OR. outflow_s ) .AND. i == nysv ) & |
---|
| 1245 | .OR. ( ( inflow_n .OR. outflow_n ) .AND. j == nyn ) & |
---|
| 1246 | ) THEN |
---|
[861] | 1247 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 21 ) |
---|
| 1248 | ELSEIF ( k <= nzb_v_inner(j+2,i) .OR. k <= nzb_v_inner(j-1,i) & |
---|
[978] | 1249 | .OR. ( ( inflow_s .OR. outflow_s ) .AND. j == nysv+1 )& |
---|
| 1250 | .OR. ( ( inflow_n .OR. outflow_n ) .AND. j == nyn-1 )& |
---|
| 1251 | ) THEN |
---|
[861] | 1252 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 22 ) |
---|
| 1253 | ELSE |
---|
| 1254 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 23 ) |
---|
| 1255 | ENDIF |
---|
| 1256 | ! |
---|
| 1257 | !-- v component - z-direction |
---|
| 1258 | !-- WS1 (24), WS3 (25), WS5 (26) |
---|
| 1259 | flag_set = .FALSE. |
---|
| 1260 | IF ( k == nzb_v_inner(j,i) + 1 .OR. k == nzt ) THEN |
---|
| 1261 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 24 ) |
---|
| 1262 | flag_set = .TRUE. |
---|
| 1263 | ELSEIF ( k == nzb_v_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
| 1264 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 25 ) |
---|
| 1265 | flag_set = .TRUE. |
---|
| 1266 | ELSEIF ( k > nzb_v_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
| 1267 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 26 ) |
---|
| 1268 | ENDIF |
---|
| 1269 | |
---|
| 1270 | ENDDO |
---|
| 1271 | ENDDO |
---|
| 1272 | ENDDO |
---|
| 1273 | DO i = nxl, nxr |
---|
| 1274 | DO j = nys, nyn |
---|
[1015] | 1275 | DO k = nzb_w_inner(j,i), nzt |
---|
[861] | 1276 | ! |
---|
| 1277 | !-- w component - x-direction |
---|
| 1278 | !-- WS1 (27), WS3 (28), WS5 (29) |
---|
[978] | 1279 | IF ( k <= nzb_w_inner(j,i+1) .OR. ( ( inflow_l .OR. outflow_l )& |
---|
| 1280 | .AND. i == nxl ) .OR. ( ( inflow_r .OR. outflow_r ) & |
---|
| 1281 | .AND. i == nxr ) ) THEN |
---|
[861] | 1282 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 27 ) |
---|
| 1283 | ELSEIF ( k <= nzb_w_inner(j,i+2) .OR. k <= nzb_w_inner(j,i-1) & |
---|
[978] | 1284 | .OR. ( ( inflow_r .OR. outflow_r ) .AND. i == nxr-1 ) & |
---|
| 1285 | .OR. ( ( inflow_l .OR. outflow_l ) .AND. i == nxlu ) & |
---|
| 1286 | ) THEN |
---|
[861] | 1287 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 28 ) |
---|
| 1288 | ELSE |
---|
| 1289 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i),29 ) |
---|
| 1290 | ENDIF |
---|
| 1291 | ! |
---|
| 1292 | !-- w component - y-direction |
---|
| 1293 | !-- WS1 (30), WS3 (31), WS5 (32) |
---|
[978] | 1294 | IF ( k <= nzb_w_inner(j+1,i) .OR. ( ( inflow_s .OR. outflow_s )& |
---|
| 1295 | .AND. j == nys ) .OR. ( ( inflow_n .OR. outflow_n ) & |
---|
| 1296 | .AND. j == nyn ) ) THEN |
---|
[861] | 1297 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 30 ) |
---|
| 1298 | ELSEIF ( k <= nzb_w_inner(j+2,i) .OR. k <= nzb_w_inner(j-1,i) & |
---|
[978] | 1299 | .OR. ( ( inflow_s .OR. outflow_s ) .AND. j == nysv ) & |
---|
| 1300 | .OR. ( ( inflow_n .OR. outflow_n ) .AND. j == nyn-1 ) & |
---|
| 1301 | ) THEN |
---|
[861] | 1302 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 31 ) |
---|
| 1303 | ELSE |
---|
| 1304 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 32 ) |
---|
| 1305 | ENDIF |
---|
| 1306 | ! |
---|
| 1307 | !-- w component - z-direction |
---|
| 1308 | !-- WS1 (33), WS3 (34), WS5 (35) |
---|
| 1309 | flag_set = .FALSE. |
---|
| 1310 | IF ( k == nzb_w_inner(j,i) .OR. k == nzb_w_inner(j,i) + 1 & |
---|
| 1311 | .OR. k == nzt ) THEN |
---|
| 1312 | ! |
---|
| 1313 | !-- Please note, at k == nzb_w_inner(j,i) a flag is explictely |
---|
| 1314 | !-- set, although this is not a prognostic level. However, |
---|
| 1315 | !-- contrary to the advection of u,v and s this is necessary |
---|
| 1316 | !-- because flux_t(nzb_w_inner(j,i)) is used for the tendency |
---|
| 1317 | !-- at k == nzb_w_inner(j,i)+1. |
---|
| 1318 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 33 ) |
---|
| 1319 | flag_set = .TRUE. |
---|
| 1320 | ELSEIF ( k == nzb_w_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
| 1321 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 34 ) |
---|
| 1322 | flag_set = .TRUE. |
---|
| 1323 | ELSEIF ( k > nzb_w_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
| 1324 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 35 ) |
---|
| 1325 | ENDIF |
---|
| 1326 | |
---|
| 1327 | ENDDO |
---|
| 1328 | ENDDO |
---|
| 1329 | ENDDO |
---|
| 1330 | |
---|
| 1331 | ENDIF |
---|
| 1332 | |
---|
| 1333 | ! |
---|
[1] | 1334 | !-- In case of topography: limit near-wall mixing length l_wall further: |
---|
| 1335 | !-- Go through all points of the subdomain one by one and look for the closest |
---|
| 1336 | !-- surface |
---|
| 1337 | IF ( TRIM(topography) /= 'flat' ) THEN |
---|
| 1338 | DO i = nxl, nxr |
---|
| 1339 | DO j = nys, nyn |
---|
| 1340 | |
---|
| 1341 | nzb_si = nzb_s_inner(j,i) |
---|
| 1342 | vi = vertical_influence(nzb_si) |
---|
| 1343 | |
---|
| 1344 | IF ( wall_n(j,i) > 0 ) THEN |
---|
| 1345 | ! |
---|
| 1346 | !-- North wall (y distance) |
---|
| 1347 | DO k = wall_n(j,i), nzb_si |
---|
| 1348 | l_wall(k,j+1,i) = MIN( l_wall(k,j+1,i), 0.5 * dy ) |
---|
| 1349 | ENDDO |
---|
| 1350 | ! |
---|
| 1351 | !-- Above North wall (yz distance) |
---|
| 1352 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1353 | l_wall(k,j+1,i) = MIN( l_wall(k,j+1,i), & |
---|
| 1354 | SQRT( 0.25 * dy**2 + & |
---|
| 1355 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1356 | ENDDO |
---|
| 1357 | ! |
---|
| 1358 | !-- Northleft corner (xy distance) |
---|
| 1359 | IF ( corner_nl(j,i) > 0 ) THEN |
---|
| 1360 | DO k = corner_nl(j,i), nzb_si |
---|
| 1361 | l_wall(k,j+1,i-1) = MIN( l_wall(k,j+1,i-1), & |
---|
| 1362 | 0.5 * SQRT( dx**2 + dy**2 ) ) |
---|
| 1363 | ENDDO |
---|
| 1364 | ! |
---|
| 1365 | !-- Above Northleft corner (xyz distance) |
---|
| 1366 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1367 | l_wall(k,j+1,i-1) = MIN( l_wall(k,j+1,i-1), & |
---|
| 1368 | SQRT( 0.25 * (dx**2 + dy**2) + & |
---|
| 1369 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1370 | ENDDO |
---|
| 1371 | ENDIF |
---|
| 1372 | ! |
---|
| 1373 | !-- Northright corner (xy distance) |
---|
| 1374 | IF ( corner_nr(j,i) > 0 ) THEN |
---|
| 1375 | DO k = corner_nr(j,i), nzb_si |
---|
| 1376 | l_wall(k,j+1,i+1) = MIN( l_wall(k,j+1,i+1), & |
---|
| 1377 | 0.5 * SQRT( dx**2 + dy**2 ) ) |
---|
| 1378 | ENDDO |
---|
| 1379 | ! |
---|
| 1380 | !-- Above northright corner (xyz distance) |
---|
| 1381 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1382 | l_wall(k,j+1,i+1) = MIN( l_wall(k,j+1,i+1), & |
---|
| 1383 | SQRT( 0.25 * (dx**2 + dy**2) + & |
---|
| 1384 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1385 | ENDDO |
---|
| 1386 | ENDIF |
---|
| 1387 | ENDIF |
---|
| 1388 | |
---|
| 1389 | IF ( wall_s(j,i) > 0 ) THEN |
---|
| 1390 | ! |
---|
| 1391 | !-- South wall (y distance) |
---|
| 1392 | DO k = wall_s(j,i), nzb_si |
---|
| 1393 | l_wall(k,j-1,i) = MIN( l_wall(k,j-1,i), 0.5 * dy ) |
---|
| 1394 | ENDDO |
---|
| 1395 | ! |
---|
| 1396 | !-- Above south wall (yz distance) |
---|
| 1397 | DO k = nzb_si + 1, & |
---|
| 1398 | nzb_si + vi |
---|
| 1399 | l_wall(k,j-1,i) = MIN( l_wall(k,j-1,i), & |
---|
| 1400 | SQRT( 0.25 * dy**2 + & |
---|
| 1401 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1402 | ENDDO |
---|
| 1403 | ! |
---|
| 1404 | !-- Southleft corner (xy distance) |
---|
| 1405 | IF ( corner_sl(j,i) > 0 ) THEN |
---|
| 1406 | DO k = corner_sl(j,i), nzb_si |
---|
| 1407 | l_wall(k,j-1,i-1) = MIN( l_wall(k,j-1,i-1), & |
---|
| 1408 | 0.5 * SQRT( dx**2 + dy**2 ) ) |
---|
| 1409 | ENDDO |
---|
| 1410 | ! |
---|
| 1411 | !-- Above southleft corner (xyz distance) |
---|
| 1412 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1413 | l_wall(k,j-1,i-1) = MIN( l_wall(k,j-1,i-1), & |
---|
| 1414 | SQRT( 0.25 * (dx**2 + dy**2) + & |
---|
| 1415 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1416 | ENDDO |
---|
| 1417 | ENDIF |
---|
| 1418 | ! |
---|
| 1419 | !-- Southright corner (xy distance) |
---|
| 1420 | IF ( corner_sr(j,i) > 0 ) THEN |
---|
| 1421 | DO k = corner_sr(j,i), nzb_si |
---|
| 1422 | l_wall(k,j-1,i+1) = MIN( l_wall(k,j-1,i+1), & |
---|
| 1423 | 0.5 * SQRT( dx**2 + dy**2 ) ) |
---|
| 1424 | ENDDO |
---|
| 1425 | ! |
---|
| 1426 | !-- Above southright corner (xyz distance) |
---|
| 1427 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1428 | l_wall(k,j-1,i+1) = MIN( l_wall(k,j-1,i+1), & |
---|
| 1429 | SQRT( 0.25 * (dx**2 + dy**2) + & |
---|
| 1430 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1431 | ENDDO |
---|
| 1432 | ENDIF |
---|
| 1433 | |
---|
| 1434 | ENDIF |
---|
| 1435 | |
---|
| 1436 | IF ( wall_l(j,i) > 0 ) THEN |
---|
| 1437 | ! |
---|
| 1438 | !-- Left wall (x distance) |
---|
| 1439 | DO k = wall_l(j,i), nzb_si |
---|
| 1440 | l_wall(k,j,i-1) = MIN( l_wall(k,j,i-1), 0.5 * dx ) |
---|
| 1441 | ENDDO |
---|
| 1442 | ! |
---|
| 1443 | !-- Above left wall (xz distance) |
---|
| 1444 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1445 | l_wall(k,j,i-1) = MIN( l_wall(k,j,i-1), & |
---|
| 1446 | SQRT( 0.25 * dx**2 + & |
---|
| 1447 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1448 | ENDDO |
---|
| 1449 | ENDIF |
---|
| 1450 | |
---|
| 1451 | IF ( wall_r(j,i) > 0 ) THEN |
---|
| 1452 | ! |
---|
| 1453 | !-- Right wall (x distance) |
---|
| 1454 | DO k = wall_r(j,i), nzb_si |
---|
| 1455 | l_wall(k,j,i+1) = MIN( l_wall(k,j,i+1), 0.5 * dx ) |
---|
| 1456 | ENDDO |
---|
| 1457 | ! |
---|
| 1458 | !-- Above right wall (xz distance) |
---|
| 1459 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1460 | l_wall(k,j,i+1) = MIN( l_wall(k,j,i+1), & |
---|
| 1461 | SQRT( 0.25 * dx**2 + & |
---|
| 1462 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1463 | ENDDO |
---|
| 1464 | |
---|
| 1465 | ENDIF |
---|
| 1466 | |
---|
| 1467 | ENDDO |
---|
| 1468 | ENDDO |
---|
| 1469 | |
---|
| 1470 | ENDIF |
---|
| 1471 | |
---|
| 1472 | ! |
---|
| 1473 | !-- Multiplication with wall_adjustment_factor |
---|
| 1474 | l_wall = wall_adjustment_factor * l_wall |
---|
| 1475 | |
---|
| 1476 | ! |
---|
[709] | 1477 | !-- Set lateral boundary conditions for l_wall |
---|
[667] | 1478 | CALL exchange_horiz( l_wall, nbgp ) |
---|
| 1479 | |
---|
[1] | 1480 | DEALLOCATE( corner_nl, corner_nr, corner_sl, corner_sr, nzb_local, & |
---|
| 1481 | nzb_tmp, vertical_influence, wall_l, wall_n, wall_r, wall_s ) |
---|
| 1482 | |
---|
[807] | 1483 | #endif |
---|
[1] | 1484 | |
---|
| 1485 | END SUBROUTINE init_grid |
---|