[1682] | 1 | !> @file init_grid.f90 |
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[1743] | 2 | !-------------------------------------------------------------------------------! |
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[1036] | 3 | ! This file is part of PALM. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 6 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 7 | ! either version 3 of the License, or (at your option) any later version. |
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| 8 | ! |
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| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 11 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 12 | ! |
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| 13 | ! You should have received a copy of the GNU General Public License along with |
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| 14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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[1691] | 16 | ! Copyright 1997-2015 Leibniz Universitaet Hannover |
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[1743] | 17 | !-------------------------------------------------------------------------------! |
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[1036] | 18 | ! |
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[254] | 19 | ! Current revisions: |
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[1] | 20 | ! ----------------- |
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[1779] | 21 | ! coupling_char is trimmed at every place it occurs, because it can have |
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| 22 | ! different length now |
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[1744] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: init_grid.f90 1779 2016-03-03 08:01:28Z raasch $ |
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| 27 | ! |
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[1763] | 28 | ! 1762 2016-02-25 12:31:13Z hellstea |
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| 29 | ! Introduction of nested domain feature |
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| 30 | ! |
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[1744] | 31 | ! 1743 2016-01-13 10:23:51Z raasch |
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| 32 | ! Bugfix for calculation of nzb_s_outer and nzb_u_outer at north boundary of |
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| 33 | ! total domain |
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| 34 | ! |
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[1692] | 35 | ! 1691 2015-10-26 16:17:44Z maronga |
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| 36 | ! Renamed prandtl_layer to constant_flux_layer. |
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| 37 | ! |
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[1683] | 38 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 39 | ! Code annotations made doxygen readable |
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| 40 | ! |
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[1678] | 41 | ! 1677 2015-10-02 13:25:23Z boeske |
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| 42 | ! Bugfix: Ghost points are included in wall_flags_0 and wall_flags_00 |
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| 43 | ! |
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[1676] | 44 | ! 1675 2015-10-02 08:28:59Z gronemeier |
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| 45 | ! Bugfix: Definition of topography grid levels |
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| 46 | ! |
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[1662] | 47 | ! 1660 2015-09-21 08:15:16Z gronemeier |
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| 48 | ! Bugfix: Definition of topography grid levels if vertical grid stretching |
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| 49 | ! starts below the maximum topography height. |
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| 50 | ! |
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[1581] | 51 | ! 1580 2015-04-10 13:43:49Z suehring |
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| 52 | ! Bugfix: setting flags for 5th order scheme near buildings |
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| 53 | ! |
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[1576] | 54 | ! 1575 2015-03-27 09:56:27Z raasch |
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| 55 | ! adjustments for psolver-queries |
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| 56 | ! |
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[1558] | 57 | ! 1557 2015-03-05 16:43:04Z suehring |
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| 58 | ! Adjustment for monotoinic limiter |
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| 59 | ! |
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[1419] | 60 | ! 1418 2014-06-06 13:05:08Z fricke |
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| 61 | ! Bugfix: Change if-condition for stretched grid in the ocean, with the old |
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| 62 | ! condition and a negative value for dz_stretch_level the condition |
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| 63 | ! was always true for the whole model domain |
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| 64 | ! |
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[1410] | 65 | ! 1409 2014-05-23 12:11:32Z suehring |
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| 66 | ! Bugfix: set wall_flags_0 at inflow and outflow boundary also for i <= nxlu |
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| 67 | ! j <= nysv |
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| 68 | ! |
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[1354] | 69 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 70 | ! REAL constants provided with KIND-attribute |
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| 71 | ! |
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[1323] | 72 | ! 1322 2014-03-20 16:38:49Z raasch |
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| 73 | ! REAL constants defined as wp-kind |
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| 74 | ! |
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[1321] | 75 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 76 | ! ONLY-attribute added to USE-statements, |
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| 77 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 78 | ! kinds are defined in new module kinds, |
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| 79 | ! revision history before 2012 removed, |
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| 80 | ! comment fields (!:) to be used for variable explanations added to |
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| 81 | ! all variable declaration statements |
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[1321] | 82 | ! |
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[1222] | 83 | ! 1221 2013-09-10 08:59:13Z raasch |
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| 84 | ! wall_flags_00 introduced to hold bits 32-63, |
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| 85 | ! additional 3D-flag arrays for replacing the 2D-index array nzb_s_inner in |
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| 86 | ! loops optimized for openACC (pres + flow_statistics) |
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| 87 | ! |
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[1093] | 88 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 89 | ! unused variables removed |
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| 90 | ! |
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[1070] | 91 | ! 1069 2012-11-28 16:18:43Z maronga |
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[1779] | 92 | ! bugfix: added coupling_char to TOPOGRAPHY_DATA to allow topography in the |
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| 93 | ! ocean model in case of coupled runs |
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[1070] | 94 | ! |
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[1037] | 95 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 96 | ! code put under GPL (PALM 3.9) |
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| 97 | ! |
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[1017] | 98 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 99 | ! lower index for calculating wall_flags_0 set to nzb_w_inner instead of |
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| 100 | ! nzb_w_inner+1 |
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| 101 | ! |
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[997] | 102 | ! 996 2012-09-07 10:41:47Z raasch |
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| 103 | ! little reformatting |
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| 104 | ! |
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[979] | 105 | ! 978 2012-08-09 08:28:32Z fricke |
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| 106 | ! Bugfix: nzb_max is set to nzt at non-cyclic lateral boundaries |
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| 107 | ! Bugfix: Set wall_flags_0 for inflow boundary |
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| 108 | ! |
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[928] | 109 | ! 927 2012-06-06 19:15:04Z raasch |
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| 110 | ! Wall flags are not set for multigrid method in case of masking method |
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| 111 | ! |
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[865] | 112 | ! 864 2012-03-27 15:10:33Z gryschka |
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[927] | 113 | ! In case of ocean and Dirichlet bottom bc for u and v dzu_mg and ddzu_pres |
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| 114 | ! were not correctly defined for k=1. |
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[865] | 115 | ! |
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[863] | 116 | ! 861 2012-03-26 14:18:34Z suehring |
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[861] | 117 | ! Set wall_flags_0. The array is needed for degradation in ws-scheme near walls, |
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| 118 | ! inflow and outflow boundaries as well as near the bottom and the top of the |
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[863] | 119 | ! model domain.! |
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[861] | 120 | ! Initialization of nzb_s_inner and nzb_w_inner. |
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| 121 | ! gls has to be at least nbgp to do not exceed the array bounds of nzb_local |
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| 122 | ! while setting wall_flags_0 |
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| 123 | ! |
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[844] | 124 | ! 843 2012-02-29 15:16:21Z gryschka |
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| 125 | ! In case of ocean and dirichlet bc for u and v at the bottom |
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| 126 | ! the first u-level ist defined at same height as the first w-level |
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| 127 | ! |
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[819] | 128 | ! 818 2012-02-08 16:11:23Z maronga |
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| 129 | ! Bugfix: topo_height is only required if topography is used. It is thus now |
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| 130 | ! allocated in the topography branch |
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| 131 | ! |
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[810] | 132 | ! 809 2012-01-30 13:32:58Z maronga |
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| 133 | ! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives |
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| 134 | ! |
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[808] | 135 | ! 807 2012-01-25 11:53:51Z maronga |
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| 136 | ! New cpp directive "__check" implemented which is used by check_namelist_files |
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| 137 | ! |
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[1] | 138 | ! Revision 1.1 1997/08/11 06:17:45 raasch |
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| 139 | ! Initial revision (Testversion) |
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| 140 | ! |
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| 141 | ! |
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| 142 | ! Description: |
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| 143 | ! ------------ |
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[1682] | 144 | !> Creating grid depending constants |
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[1] | 145 | !------------------------------------------------------------------------------! |
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[1682] | 146 | SUBROUTINE init_grid |
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| 147 | |
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[1] | 148 | |
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[1320] | 149 | USE arrays_3d, & |
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| 150 | ONLY: dd2zu, ddzu, ddzu_pres, ddzw, dzu, dzu_mg, dzw, dzw_mg, f1_mg, & |
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| 151 | f2_mg, f3_mg, l_grid, l_wall, zu, zw |
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| 152 | |
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[1353] | 153 | USE control_parameters, & |
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[1320] | 154 | ONLY: bc_lr, bc_ns, building_height, building_length_x, & |
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| 155 | building_length_y, building_wall_left, building_wall_south, & |
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| 156 | canyon_height, canyon_wall_left, canyon_wall_south, & |
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[1691] | 157 | canyon_width_x, canyon_width_y, constant_flux_layer, & |
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| 158 | coupling_char, dp_level_ind_b, dz, dz_max, dz_stretch_factor, & |
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| 159 | dz_stretch_level, dz_stretch_level_index, ibc_uv_b, io_blocks, & |
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| 160 | io_group, inflow_l, inflow_n, inflow_r, inflow_s, & |
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| 161 | masking_method, maximum_grid_level, message_string, & |
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[1762] | 162 | momentum_advec, nest_domain, nest_bound_l, nest_bound_n, & |
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| 163 | nest_bound_r, nest_bound_s, ocean, outflow_l, outflow_n, & |
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| 164 | outflow_r, outflow_s, psolver, scalar_advec, topography, & |
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[1691] | 165 | topography_grid_convention, use_surface_fluxes, use_top_fluxes, & |
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| 166 | wall_adjustment_factor |
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[1320] | 167 | |
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| 168 | USE grid_variables, & |
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| 169 | ONLY: ddx, ddx2, ddx2_mg, ddy, ddy2, ddy2_mg, dx, dx2, dy, dy2, fwxm, & |
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| 170 | fwxp, fwym, fwyp, fxm, fxp, fym, fyp, wall_e_x, wall_e_y, & |
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| 171 | wall_u, wall_v, wall_w_x, wall_w_y, zu_s_inner, zw_w_inner |
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| 172 | |
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| 173 | USE indices, & |
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| 174 | ONLY: flags, nbgp, nx, nxl, nxlg, nxlu, nxl_mg, nxr, nxrg, nxr_mg, & |
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| 175 | ny, nyn, nyng, nyn_mg, nys, nysv, nys_mg, nysg, nz, nzb, & |
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| 176 | nzb_2d, nzb_diff, nzb_diff_s_inner, nzb_diff_s_outer, & |
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| 177 | nzb_diff_u, nzb_diff_v, nzb_max, nzb_s_inner, nzb_s_outer, & |
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| 178 | nzb_u_inner, nzb_u_outer, nzb_v_inner, nzb_v_outer, & |
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| 179 | nzb_w_inner, nzb_w_outer, nzt, nzt_diff, nzt_mg, rflags_invers, & |
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| 180 | rflags_s_inner, wall_flags_0, wall_flags_00, wall_flags_1, & |
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| 181 | wall_flags_10, wall_flags_2, wall_flags_3, wall_flags_4, & |
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| 182 | wall_flags_5, wall_flags_6, wall_flags_7, wall_flags_8, & |
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| 183 | wall_flags_9 |
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| 184 | |
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| 185 | USE kinds |
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| 186 | |
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[1] | 187 | USE pegrid |
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| 188 | |
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| 189 | IMPLICIT NONE |
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| 190 | |
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[1682] | 191 | INTEGER(iwp) :: bh !< |
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| 192 | INTEGER(iwp) :: blx !< |
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| 193 | INTEGER(iwp) :: bly !< |
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| 194 | INTEGER(iwp) :: bxl !< |
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| 195 | INTEGER(iwp) :: bxr !< |
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| 196 | INTEGER(iwp) :: byn !< |
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| 197 | INTEGER(iwp) :: bys !< |
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| 198 | INTEGER(iwp) :: ch !< |
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| 199 | INTEGER(iwp) :: cwx !< |
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| 200 | INTEGER(iwp) :: cwy !< |
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| 201 | INTEGER(iwp) :: cxl !< |
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| 202 | INTEGER(iwp) :: cxr !< |
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| 203 | INTEGER(iwp) :: cyn !< |
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| 204 | INTEGER(iwp) :: cys !< |
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| 205 | INTEGER(iwp) :: gls !< |
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| 206 | INTEGER(iwp) :: i !< |
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| 207 | INTEGER(iwp) :: ii !< |
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| 208 | INTEGER(iwp) :: inc !< |
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| 209 | INTEGER(iwp) :: j !< |
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| 210 | INTEGER(iwp) :: k !< |
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| 211 | INTEGER(iwp) :: l !< |
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| 212 | INTEGER(iwp) :: nxl_l !< |
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| 213 | INTEGER(iwp) :: nxr_l !< |
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| 214 | INTEGER(iwp) :: nyn_l !< |
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| 215 | INTEGER(iwp) :: nys_l !< |
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| 216 | INTEGER(iwp) :: nzb_si !< |
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| 217 | INTEGER(iwp) :: nzt_l !< |
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| 218 | INTEGER(iwp) :: vi !< |
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[1] | 219 | |
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[1682] | 220 | INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: vertical_influence !< |
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[1] | 221 | |
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[1682] | 222 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_nl !< |
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| 223 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_nr !< |
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| 224 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_sl !< |
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| 225 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_sr !< |
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| 226 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_l !< |
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| 227 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_n !< |
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| 228 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_r !< |
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| 229 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_s !< |
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| 230 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: nzb_local !< |
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| 231 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: nzb_tmp !< |
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[1] | 232 | |
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[1682] | 233 | LOGICAL :: flag_set = .FALSE. !< |
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[861] | 234 | |
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[1682] | 235 | REAL(wp) :: dx_l !< |
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| 236 | REAL(wp) :: dy_l !< |
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| 237 | REAL(wp) :: dz_stretched !< |
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[1] | 238 | |
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[1682] | 239 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: topo_height !< |
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[1] | 240 | |
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[667] | 241 | |
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[1] | 242 | ! |
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[709] | 243 | !-- Calculation of horizontal array bounds including ghost layers |
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[667] | 244 | nxlg = nxl - nbgp |
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| 245 | nxrg = nxr + nbgp |
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| 246 | nysg = nys - nbgp |
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| 247 | nyng = nyn + nbgp |
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[709] | 248 | |
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[667] | 249 | ! |
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[1] | 250 | !-- Allocate grid arrays |
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[1353] | 251 | ALLOCATE( ddzu(1:nzt+1), ddzw(1:nzt+1), dd2zu(1:nzt), dzu(1:nzt+1), & |
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[667] | 252 | dzw(1:nzt+1), l_grid(1:nzt), zu(nzb:nzt+1), zw(nzb:nzt+1) ) |
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[1] | 253 | |
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| 254 | ! |
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| 255 | !-- Compute height of u-levels from constant grid length and dz stretch factors |
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[1353] | 256 | IF ( dz == -1.0_wp ) THEN |
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[254] | 257 | message_string = 'missing dz' |
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| 258 | CALL message( 'init_grid', 'PA0200', 1, 2, 0, 6, 0 ) |
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[1353] | 259 | ELSEIF ( dz <= 0.0_wp ) THEN |
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[254] | 260 | WRITE( message_string, * ) 'dz=',dz,' <= 0.0' |
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| 261 | CALL message( 'init_grid', 'PA0201', 1, 2, 0, 6, 0 ) |
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[1] | 262 | ENDIF |
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[94] | 263 | |
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[1] | 264 | ! |
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[94] | 265 | !-- Define the vertical grid levels |
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| 266 | IF ( .NOT. ocean ) THEN |
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| 267 | ! |
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| 268 | !-- Grid for atmosphere with surface at z=0 (k=0, w-grid). |
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[843] | 269 | !-- The second u-level (k=1) corresponds to the top of the |
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[94] | 270 | !-- Prandtl-layer. |
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[667] | 271 | |
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| 272 | IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN |
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[1353] | 273 | zu(0) = 0.0_wp |
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| 274 | ! zu(0) = - dz * 0.5_wp |
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[667] | 275 | ELSE |
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[1353] | 276 | zu(0) = - dz * 0.5_wp |
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[667] | 277 | ENDIF |
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[1353] | 278 | zu(1) = dz * 0.5_wp |
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[1] | 279 | |
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[94] | 280 | dz_stretch_level_index = nzt+1 |
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| 281 | dz_stretched = dz |
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| 282 | DO k = 2, nzt+1 |
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| 283 | IF ( dz_stretch_level <= zu(k-1) .AND. dz_stretched < dz_max ) THEN |
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| 284 | dz_stretched = dz_stretched * dz_stretch_factor |
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| 285 | dz_stretched = MIN( dz_stretched, dz_max ) |
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| 286 | IF ( dz_stretch_level_index == nzt+1 ) dz_stretch_level_index = k-1 |
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| 287 | ENDIF |
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| 288 | zu(k) = zu(k-1) + dz_stretched |
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| 289 | ENDDO |
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[1] | 290 | |
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| 291 | ! |
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[94] | 292 | !-- Compute the w-levels. They are always staggered half-way between the |
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[843] | 293 | !-- corresponding u-levels. In case of dirichlet bc for u and v at the |
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| 294 | !-- ground the first u- and w-level (k=0) are defined at same height (z=0). |
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| 295 | !-- The top w-level is extrapolated linearly. |
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[1353] | 296 | zw(0) = 0.0_wp |
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[94] | 297 | DO k = 1, nzt |
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[1353] | 298 | zw(k) = ( zu(k) + zu(k+1) ) * 0.5_wp |
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[94] | 299 | ENDDO |
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[1353] | 300 | zw(nzt+1) = zw(nzt) + 2.0_wp * ( zu(nzt+1) - zw(nzt) ) |
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[1] | 301 | |
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[94] | 302 | ELSE |
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[1] | 303 | ! |
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[843] | 304 | !-- Grid for ocean with free water surface is at k=nzt (w-grid). |
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| 305 | !-- In case of neumann bc at the ground the first first u-level (k=0) lies |
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| 306 | !-- below the first w-level (k=0). In case of dirichlet bc the first u- and |
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| 307 | !-- w-level are defined at same height, but staggered from the second level. |
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| 308 | !-- The second u-level (k=1) corresponds to the top of the Prandtl-layer. |
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[1353] | 309 | zu(nzt+1) = dz * 0.5_wp |
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| 310 | zu(nzt) = - dz * 0.5_wp |
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[94] | 311 | |
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| 312 | dz_stretch_level_index = 0 |
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| 313 | dz_stretched = dz |
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| 314 | DO k = nzt-1, 0, -1 |
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[1418] | 315 | ! |
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| 316 | !-- The default value of dz_stretch_level is positive, thus the first |
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| 317 | !-- condition is always true. Hence, the second condition is necessary. |
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| 318 | IF ( dz_stretch_level >= zu(k+1) .AND. dz_stretch_level <= 0.0 & |
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| 319 | .AND. dz_stretched < dz_max ) THEN |
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[94] | 320 | dz_stretched = dz_stretched * dz_stretch_factor |
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| 321 | dz_stretched = MIN( dz_stretched, dz_max ) |
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| 322 | IF ( dz_stretch_level_index == 0 ) dz_stretch_level_index = k+1 |
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| 323 | ENDIF |
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| 324 | zu(k) = zu(k+1) - dz_stretched |
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| 325 | ENDDO |
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| 326 | |
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| 327 | ! |
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| 328 | !-- Compute the w-levels. They are always staggered half-way between the |
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[843] | 329 | !-- corresponding u-levels, except in case of dirichlet bc for u and v |
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| 330 | !-- at the ground. In this case the first u- and w-level are defined at |
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| 331 | !-- same height. The top w-level (nzt+1) is not used but set for |
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| 332 | !-- consistency, since w and all scalar variables are defined up tp nzt+1. |
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[94] | 333 | zw(nzt+1) = dz |
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[1353] | 334 | zw(nzt) = 0.0_wp |
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[94] | 335 | DO k = 0, nzt |
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[1353] | 336 | zw(k) = ( zu(k) + zu(k+1) ) * 0.5_wp |
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[94] | 337 | ENDDO |
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| 338 | |
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[843] | 339 | ! |
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| 340 | !-- In case of dirichlet bc for u and v the first u- and w-level are defined |
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| 341 | !-- at same height. |
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| 342 | IF ( ibc_uv_b == 0 ) THEN |
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| 343 | zu(0) = zw(0) |
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| 344 | ENDIF |
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| 345 | |
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[94] | 346 | ENDIF |
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| 347 | |
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| 348 | ! |
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[1] | 349 | !-- Compute grid lengths. |
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| 350 | DO k = 1, nzt+1 |
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| 351 | dzu(k) = zu(k) - zu(k-1) |
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[1353] | 352 | ddzu(k) = 1.0_wp / dzu(k) |
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[1] | 353 | dzw(k) = zw(k) - zw(k-1) |
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[1353] | 354 | ddzw(k) = 1.0_wp / dzw(k) |
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[1] | 355 | ENDDO |
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| 356 | |
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| 357 | DO k = 1, nzt |
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[1353] | 358 | dd2zu(k) = 1.0_wp / ( dzu(k) + dzu(k+1) ) |
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[1] | 359 | ENDDO |
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[667] | 360 | |
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| 361 | ! |
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[709] | 362 | !-- The FFT- SOR-pressure solvers assume grid spacings of a staggered grid |
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| 363 | !-- everywhere. For the actual grid, the grid spacing at the lowest level |
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| 364 | !-- is only dz/2, but should be dz. Therefore, an additional array |
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| 365 | !-- containing with appropriate grid information is created for these |
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| 366 | !-- solvers. |
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[1575] | 367 | IF ( psolver(1:9) /= 'multigrid' ) THEN |
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[667] | 368 | ALLOCATE( ddzu_pres(1:nzt+1) ) |
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| 369 | ddzu_pres = ddzu |
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[864] | 370 | ddzu_pres(1) = ddzu_pres(2) ! change for lowest level |
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[667] | 371 | ENDIF |
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[1] | 372 | |
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| 373 | ! |
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| 374 | !-- In case of multigrid method, compute grid lengths and grid factors for the |
---|
| 375 | !-- grid levels |
---|
[1575] | 376 | IF ( psolver(1:9) == 'multigrid' ) THEN |
---|
[1] | 377 | |
---|
| 378 | ALLOCATE( ddx2_mg(maximum_grid_level), ddy2_mg(maximum_grid_level), & |
---|
| 379 | dzu_mg(nzb+1:nzt+1,maximum_grid_level), & |
---|
| 380 | dzw_mg(nzb+1:nzt+1,maximum_grid_level), & |
---|
| 381 | f1_mg(nzb+1:nzt,maximum_grid_level), & |
---|
| 382 | f2_mg(nzb+1:nzt,maximum_grid_level), & |
---|
| 383 | f3_mg(nzb+1:nzt,maximum_grid_level) ) |
---|
| 384 | |
---|
| 385 | dzu_mg(:,maximum_grid_level) = dzu |
---|
[667] | 386 | ! |
---|
[864] | 387 | !-- Next line to ensure an equally spaced grid. |
---|
| 388 | dzu_mg(1,maximum_grid_level) = dzu(2) |
---|
[709] | 389 | |
---|
[1] | 390 | dzw_mg(:,maximum_grid_level) = dzw |
---|
| 391 | nzt_l = nzt |
---|
| 392 | DO l = maximum_grid_level-1, 1, -1 |
---|
[1353] | 393 | dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1) |
---|
| 394 | dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1) |
---|
[1] | 395 | nzt_l = nzt_l / 2 |
---|
| 396 | DO k = 2, nzt_l+1 |
---|
| 397 | dzu_mg(k,l) = dzu_mg(2*k-2,l+1) + dzu_mg(2*k-1,l+1) |
---|
| 398 | dzw_mg(k,l) = dzw_mg(2*k-2,l+1) + dzw_mg(2*k-1,l+1) |
---|
| 399 | ENDDO |
---|
| 400 | ENDDO |
---|
| 401 | |
---|
| 402 | nzt_l = nzt |
---|
| 403 | dx_l = dx |
---|
| 404 | dy_l = dy |
---|
| 405 | DO l = maximum_grid_level, 1, -1 |
---|
[1353] | 406 | ddx2_mg(l) = 1.0_wp / dx_l**2 |
---|
| 407 | ddy2_mg(l) = 1.0_wp / dy_l**2 |
---|
[1] | 408 | DO k = nzb+1, nzt_l |
---|
[1353] | 409 | f2_mg(k,l) = 1.0_wp / ( dzu_mg(k+1,l) * dzw_mg(k,l) ) |
---|
| 410 | f3_mg(k,l) = 1.0_wp / ( dzu_mg(k,l) * dzw_mg(k,l) ) |
---|
| 411 | f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) + & |
---|
[1] | 412 | f2_mg(k,l) + f3_mg(k,l) |
---|
| 413 | ENDDO |
---|
| 414 | nzt_l = nzt_l / 2 |
---|
[1353] | 415 | dx_l = dx_l * 2.0_wp |
---|
| 416 | dy_l = dy_l * 2.0_wp |
---|
[1] | 417 | ENDDO |
---|
| 418 | |
---|
| 419 | ENDIF |
---|
| 420 | |
---|
| 421 | ! |
---|
| 422 | !-- Compute the reciprocal values of the horizontal grid lengths. |
---|
[1353] | 423 | ddx = 1.0_wp / dx |
---|
| 424 | ddy = 1.0_wp / dy |
---|
[1] | 425 | dx2 = dx * dx |
---|
| 426 | dy2 = dy * dy |
---|
[1353] | 427 | ddx2 = 1.0_wp / dx2 |
---|
| 428 | ddy2 = 1.0_wp / dy2 |
---|
[1] | 429 | |
---|
| 430 | ! |
---|
| 431 | !-- Compute the grid-dependent mixing length. |
---|
| 432 | DO k = 1, nzt |
---|
[1322] | 433 | l_grid(k) = ( dx * dy * dzw(k) )**0.33333333333333_wp |
---|
[1] | 434 | ENDDO |
---|
| 435 | |
---|
| 436 | ! |
---|
| 437 | !-- Allocate outer and inner index arrays for topography and set |
---|
[114] | 438 | !-- defaults. |
---|
| 439 | !-- nzb_local has to contain additional layers of ghost points for calculating |
---|
| 440 | !-- the flag arrays needed for the multigrid method |
---|
| 441 | gls = 2**( maximum_grid_level ) |
---|
[861] | 442 | IF ( gls < nbgp ) gls = nbgp |
---|
[667] | 443 | |
---|
[114] | 444 | ALLOCATE( corner_nl(nys:nyn,nxl:nxr), corner_nr(nys:nyn,nxl:nxr), & |
---|
| 445 | corner_sl(nys:nyn,nxl:nxr), corner_sr(nys:nyn,nxl:nxr), & |
---|
[667] | 446 | nzb_local(-gls:ny+gls,-gls:nx+gls), & |
---|
| 447 | nzb_tmp(-nbgp:ny+nbgp,-nbgp:nx+nbgp), & |
---|
[114] | 448 | wall_l(nys:nyn,nxl:nxr), wall_n(nys:nyn,nxl:nxr), & |
---|
[1] | 449 | wall_r(nys:nyn,nxl:nxr), wall_s(nys:nyn,nxl:nxr) ) |
---|
[667] | 450 | ALLOCATE( fwxm(nysg:nyng,nxlg:nxrg), fwxp(nysg:nyng,nxlg:nxrg), & |
---|
| 451 | fwym(nysg:nyng,nxlg:nxrg), fwyp(nysg:nyng,nxlg:nxrg), & |
---|
| 452 | fxm(nysg:nyng,nxlg:nxrg), fxp(nysg:nyng,nxlg:nxrg), & |
---|
| 453 | fym(nysg:nyng,nxlg:nxrg), fyp(nysg:nyng,nxlg:nxrg), & |
---|
| 454 | nzb_s_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 455 | nzb_s_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 456 | nzb_u_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 457 | nzb_u_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 458 | nzb_v_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 459 | nzb_v_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 460 | nzb_w_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 461 | nzb_w_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 462 | nzb_diff_s_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 463 | nzb_diff_s_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 464 | nzb_diff_u(nysg:nyng,nxlg:nxrg), & |
---|
| 465 | nzb_diff_v(nysg:nyng,nxlg:nxrg), & |
---|
| 466 | nzb_2d(nysg:nyng,nxlg:nxrg), & |
---|
[1221] | 467 | rflags_s_inner(nzb:nzt+2,nysg:nyng,nxlg:nxrg), & |
---|
| 468 | rflags_invers(nysg:nyng,nxlg:nxrg,nzb:nzt+2), & |
---|
[667] | 469 | wall_e_x(nysg:nyng,nxlg:nxrg), & |
---|
| 470 | wall_e_y(nysg:nyng,nxlg:nxrg), & |
---|
| 471 | wall_u(nysg:nyng,nxlg:nxrg), & |
---|
| 472 | wall_v(nysg:nyng,nxlg:nxrg), & |
---|
| 473 | wall_w_x(nysg:nyng,nxlg:nxrg), & |
---|
| 474 | wall_w_y(nysg:nyng,nxlg:nxrg) ) |
---|
[1] | 475 | |
---|
| 476 | |
---|
[667] | 477 | |
---|
| 478 | ALLOCATE( l_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
| 479 | |
---|
[818] | 480 | |
---|
[1] | 481 | nzb_s_inner = nzb; nzb_s_outer = nzb |
---|
| 482 | nzb_u_inner = nzb; nzb_u_outer = nzb |
---|
| 483 | nzb_v_inner = nzb; nzb_v_outer = nzb |
---|
| 484 | nzb_w_inner = nzb; nzb_w_outer = nzb |
---|
| 485 | |
---|
[1353] | 486 | rflags_s_inner = 1.0_wp |
---|
| 487 | rflags_invers = 1.0_wp |
---|
[1221] | 488 | |
---|
[1] | 489 | ! |
---|
[19] | 490 | !-- Define vertical gridpoint from (or to) which on the usual finite difference |
---|
[1] | 491 | !-- form (which does not use surface fluxes) is applied |
---|
[1691] | 492 | IF ( constant_flux_layer .OR. use_surface_fluxes ) THEN |
---|
[1] | 493 | nzb_diff = nzb + 2 |
---|
| 494 | ELSE |
---|
| 495 | nzb_diff = nzb + 1 |
---|
| 496 | ENDIF |
---|
[19] | 497 | IF ( use_top_fluxes ) THEN |
---|
| 498 | nzt_diff = nzt - 1 |
---|
| 499 | ELSE |
---|
| 500 | nzt_diff = nzt |
---|
| 501 | ENDIF |
---|
[1] | 502 | |
---|
| 503 | nzb_diff_s_inner = nzb_diff; nzb_diff_s_outer = nzb_diff |
---|
| 504 | nzb_diff_u = nzb_diff; nzb_diff_v = nzb_diff |
---|
| 505 | |
---|
[1353] | 506 | wall_e_x = 0.0_wp; wall_e_y = 0.0_wp; wall_u = 0.0_wp; wall_v = 0.0_wp |
---|
| 507 | wall_w_x = 0.0_wp; wall_w_y = 0.0_wp |
---|
| 508 | fwxp = 1.0_wp; fwxm = 1.0_wp; fwyp = 1.0_wp; fwym = 1.0_wp |
---|
| 509 | fxp = 1.0_wp; fxm = 1.0_wp; fyp = 1.0_wp; fym = 1.0_wp |
---|
[1] | 510 | |
---|
| 511 | ! |
---|
| 512 | !-- Initialize near-wall mixing length l_wall only in the vertical direction |
---|
| 513 | !-- for the moment, |
---|
| 514 | !-- multiplication with wall_adjustment_factor near the end of this routine |
---|
| 515 | l_wall(nzb,:,:) = l_grid(1) |
---|
| 516 | DO k = nzb+1, nzt |
---|
| 517 | l_wall(k,:,:) = l_grid(k) |
---|
| 518 | ENDDO |
---|
| 519 | l_wall(nzt+1,:,:) = l_grid(nzt) |
---|
| 520 | |
---|
| 521 | ALLOCATE ( vertical_influence(nzb:nzt) ) |
---|
| 522 | DO k = 1, nzt |
---|
| 523 | vertical_influence(k) = MIN ( INT( l_grid(k) / & |
---|
[1353] | 524 | ( wall_adjustment_factor * dzw(k) ) + 0.5_wp ), nzt - k ) |
---|
[1] | 525 | ENDDO |
---|
| 526 | |
---|
| 527 | DO k = 1, MAXVAL( nzb_s_inner ) |
---|
[1353] | 528 | IF ( l_grid(k) > 1.5_wp * dx * wall_adjustment_factor .OR. & |
---|
| 529 | l_grid(k) > 1.5_wp * dy * wall_adjustment_factor ) THEN |
---|
[254] | 530 | WRITE( message_string, * ) 'grid anisotropy exceeds ', & |
---|
| 531 | 'threshold given by only local', & |
---|
| 532 | ' &horizontal reduction of near_wall ', & |
---|
| 533 | 'mixing length l_wall', & |
---|
| 534 | ' &starting from height level k = ', k, '.' |
---|
| 535 | CALL message( 'init_grid', 'PA0202', 0, 1, 0, 6, 0 ) |
---|
[1] | 536 | EXIT |
---|
| 537 | ENDIF |
---|
| 538 | ENDDO |
---|
| 539 | vertical_influence(0) = vertical_influence(1) |
---|
| 540 | |
---|
[667] | 541 | DO i = nxlg, nxrg |
---|
| 542 | DO j = nysg, nyng |
---|
[1] | 543 | DO k = nzb_s_inner(j,i) + 1, & |
---|
| 544 | nzb_s_inner(j,i) + vertical_influence(nzb_s_inner(j,i)) |
---|
| 545 | l_wall(k,j,i) = zu(k) - zw(nzb_s_inner(j,i)) |
---|
| 546 | ENDDO |
---|
| 547 | ENDDO |
---|
| 548 | ENDDO |
---|
| 549 | |
---|
| 550 | ! |
---|
| 551 | !-- Set outer and inner index arrays for non-flat topography. |
---|
| 552 | !-- Here consistency checks concerning domain size and periodicity are |
---|
| 553 | !-- necessary. |
---|
| 554 | !-- Within this SELECT CASE structure only nzb_local is initialized |
---|
| 555 | !-- individually depending on the chosen topography type, all other index |
---|
| 556 | !-- arrays are initialized further below. |
---|
| 557 | SELECT CASE ( TRIM( topography ) ) |
---|
| 558 | |
---|
| 559 | CASE ( 'flat' ) |
---|
| 560 | ! |
---|
[555] | 561 | !-- nzb_local is required for the multigrid solver |
---|
| 562 | nzb_local = 0 |
---|
[1] | 563 | |
---|
| 564 | CASE ( 'single_building' ) |
---|
| 565 | ! |
---|
| 566 | !-- Single rectangular building, by default centered in the middle of the |
---|
| 567 | !-- total domain |
---|
| 568 | blx = NINT( building_length_x / dx ) |
---|
| 569 | bly = NINT( building_length_y / dy ) |
---|
[1675] | 570 | bh = MINLOC( ABS( zw - building_height ), 1 ) - 1 |
---|
| 571 | IF ( ABS( zw(bh ) - building_height ) == & |
---|
| 572 | ABS( zw(bh+1) - building_height ) ) bh = bh + 1 |
---|
[1] | 573 | |
---|
[1322] | 574 | IF ( building_wall_left == 9999999.9_wp ) THEN |
---|
[1] | 575 | building_wall_left = ( nx + 1 - blx ) / 2 * dx |
---|
| 576 | ENDIF |
---|
| 577 | bxl = NINT( building_wall_left / dx ) |
---|
| 578 | bxr = bxl + blx |
---|
| 579 | |
---|
[1322] | 580 | IF ( building_wall_south == 9999999.9_wp ) THEN |
---|
[1] | 581 | building_wall_south = ( ny + 1 - bly ) / 2 * dy |
---|
| 582 | ENDIF |
---|
| 583 | bys = NINT( building_wall_south / dy ) |
---|
| 584 | byn = bys + bly |
---|
| 585 | |
---|
| 586 | ! |
---|
| 587 | !-- Building size has to meet some requirements |
---|
| 588 | IF ( ( bxl < 1 ) .OR. ( bxr > nx-1 ) .OR. ( bxr < bxl+3 ) .OR. & |
---|
| 589 | ( bys < 1 ) .OR. ( byn > ny-1 ) .OR. ( byn < bys+3 ) ) THEN |
---|
[274] | 590 | WRITE( message_string, * ) 'inconsistent building parameters:', & |
---|
| 591 | '& bxl=', bxl, 'bxr=', bxr, 'bys=', bys, & |
---|
| 592 | 'byn=', byn, 'nx=', nx, 'ny=', ny |
---|
[254] | 593 | CALL message( 'init_grid', 'PA0203', 1, 2, 0, 6, 0 ) |
---|
[1] | 594 | ENDIF |
---|
| 595 | |
---|
| 596 | ! |
---|
[217] | 597 | !-- Define the building. |
---|
[1] | 598 | nzb_local = 0 |
---|
[134] | 599 | nzb_local(bys:byn,bxl:bxr) = bh |
---|
[1] | 600 | |
---|
[240] | 601 | CASE ( 'single_street_canyon' ) |
---|
| 602 | ! |
---|
| 603 | !-- Single quasi-2D street canyon of infinite length in x or y direction. |
---|
| 604 | !-- The canyon is centered in the other direction by default. |
---|
[1322] | 605 | IF ( canyon_width_x /= 9999999.9_wp ) THEN |
---|
[240] | 606 | ! |
---|
| 607 | !-- Street canyon in y direction |
---|
| 608 | cwx = NINT( canyon_width_x / dx ) |
---|
[1322] | 609 | IF ( canyon_wall_left == 9999999.9_wp ) THEN |
---|
[240] | 610 | canyon_wall_left = ( nx + 1 - cwx ) / 2 * dx |
---|
| 611 | ENDIF |
---|
| 612 | cxl = NINT( canyon_wall_left / dx ) |
---|
| 613 | cxr = cxl + cwx |
---|
| 614 | |
---|
[1322] | 615 | ELSEIF ( canyon_width_y /= 9999999.9_wp ) THEN |
---|
[240] | 616 | ! |
---|
| 617 | !-- Street canyon in x direction |
---|
| 618 | cwy = NINT( canyon_width_y / dy ) |
---|
[1322] | 619 | IF ( canyon_wall_south == 9999999.9_wp ) THEN |
---|
[240] | 620 | canyon_wall_south = ( ny + 1 - cwy ) / 2 * dy |
---|
| 621 | ENDIF |
---|
| 622 | cys = NINT( canyon_wall_south / dy ) |
---|
| 623 | cyn = cys + cwy |
---|
| 624 | |
---|
| 625 | ELSE |
---|
[254] | 626 | |
---|
| 627 | message_string = 'no street canyon width given' |
---|
| 628 | CALL message( 'init_grid', 'PA0204', 1, 2, 0, 6, 0 ) |
---|
| 629 | |
---|
[240] | 630 | ENDIF |
---|
| 631 | |
---|
[1675] | 632 | ch = MINLOC( ABS( zw - canyon_height ), 1 ) - 1 |
---|
| 633 | IF ( ABS( zw(ch ) - canyon_height ) == & |
---|
| 634 | ABS( zw(ch+1) - canyon_height ) ) ch = ch + 1 |
---|
| 635 | |
---|
[240] | 636 | dp_level_ind_b = ch |
---|
| 637 | ! |
---|
| 638 | !-- Street canyon size has to meet some requirements |
---|
[1322] | 639 | IF ( canyon_width_x /= 9999999.9_wp ) THEN |
---|
[1353] | 640 | IF ( ( cxl < 1 ) .OR. ( cxr > nx-1 ) .OR. ( cwx < 3 ) .OR. & |
---|
[240] | 641 | ( ch < 3 ) ) THEN |
---|
[1353] | 642 | WRITE( message_string, * ) 'inconsistent canyon parameters:', & |
---|
| 643 | '&cxl=', cxl, 'cxr=', cxr, & |
---|
| 644 | 'cwx=', cwx, & |
---|
[254] | 645 | 'ch=', ch, 'nx=', nx, 'ny=', ny |
---|
| 646 | CALL message( 'init_grid', 'PA0205', 1, 2, 0, 6, 0 ) |
---|
[240] | 647 | ENDIF |
---|
[1322] | 648 | ELSEIF ( canyon_width_y /= 9999999.9_wp ) THEN |
---|
[1353] | 649 | IF ( ( cys < 1 ) .OR. ( cyn > ny-1 ) .OR. ( cwy < 3 ) .OR. & |
---|
[240] | 650 | ( ch < 3 ) ) THEN |
---|
[1353] | 651 | WRITE( message_string, * ) 'inconsistent canyon parameters:', & |
---|
| 652 | '&cys=', cys, 'cyn=', cyn, & |
---|
| 653 | 'cwy=', cwy, & |
---|
[254] | 654 | 'ch=', ch, 'nx=', nx, 'ny=', ny |
---|
| 655 | CALL message( 'init_grid', 'PA0206', 1, 2, 0, 6, 0 ) |
---|
[240] | 656 | ENDIF |
---|
| 657 | ENDIF |
---|
[1353] | 658 | IF ( canyon_width_x /= 9999999.9_wp .AND. & |
---|
| 659 | canyon_width_y /= 9999999.9_wp ) THEN |
---|
| 660 | message_string = 'inconsistent canyon parameters:' // & |
---|
| 661 | '&street canyon can only be oriented' // & |
---|
[254] | 662 | '&either in x- or in y-direction' |
---|
| 663 | CALL message( 'init_grid', 'PA0207', 1, 2, 0, 6, 0 ) |
---|
[240] | 664 | ENDIF |
---|
| 665 | |
---|
| 666 | nzb_local = ch |
---|
[1322] | 667 | IF ( canyon_width_x /= 9999999.9_wp ) THEN |
---|
[240] | 668 | nzb_local(:,cxl+1:cxr-1) = 0 |
---|
[1322] | 669 | ELSEIF ( canyon_width_y /= 9999999.9_wp ) THEN |
---|
[240] | 670 | nzb_local(cys+1:cyn-1,:) = 0 |
---|
| 671 | ENDIF |
---|
| 672 | |
---|
[1] | 673 | CASE ( 'read_from_file' ) |
---|
[759] | 674 | |
---|
[818] | 675 | ALLOCATE ( topo_height(0:ny,0:nx) ) |
---|
| 676 | |
---|
[759] | 677 | DO ii = 0, io_blocks-1 |
---|
| 678 | IF ( ii == io_group ) THEN |
---|
| 679 | |
---|
[1] | 680 | ! |
---|
[759] | 681 | !-- Arbitrary irregular topography data in PALM format (exactly |
---|
| 682 | !-- matching the grid size and total domain size) |
---|
[1779] | 683 | OPEN( 90, FILE='TOPOGRAPHY_DATA'//TRIM( coupling_char ), & |
---|
| 684 | STATUS='OLD', FORM='FORMATTED', ERR=10 ) |
---|
[759] | 685 | DO j = ny, 0, -1 |
---|
| 686 | READ( 90, *, ERR=11, END=11 ) ( topo_height(j,i), i = 0,nx ) |
---|
| 687 | ENDDO |
---|
| 688 | |
---|
| 689 | GOTO 12 |
---|
| 690 | |
---|
[1779] | 691 | 10 message_string = 'file TOPOGRAPHY'//TRIM( coupling_char )// & |
---|
| 692 | ' does not exist' |
---|
[759] | 693 | CALL message( 'init_grid', 'PA0208', 1, 2, 0, 6, 0 ) |
---|
| 694 | |
---|
[1779] | 695 | 11 message_string = 'errors in file TOPOGRAPHY_DATA'// & |
---|
| 696 | TRIM( coupling_char ) |
---|
[759] | 697 | CALL message( 'init_grid', 'PA0209', 1, 2, 0, 6, 0 ) |
---|
| 698 | |
---|
| 699 | 12 CLOSE( 90 ) |
---|
| 700 | |
---|
| 701 | ENDIF |
---|
[809] | 702 | #if defined( __parallel ) && ! defined ( __check ) |
---|
[759] | 703 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 704 | #endif |
---|
[559] | 705 | ENDDO |
---|
[759] | 706 | |
---|
[1] | 707 | ! |
---|
| 708 | !-- Calculate the index height of the topography |
---|
| 709 | DO i = 0, nx |
---|
| 710 | DO j = 0, ny |
---|
[1675] | 711 | nzb_local(j,i) = MINLOC( ABS( zw - topo_height(j,i) ), 1 ) - 1 |
---|
| 712 | IF ( ABS( zw(nzb_local(j,i) ) - topo_height(j,i) ) == & |
---|
| 713 | ABS( zw(nzb_local(j,i)+1) - topo_height(j,i) ) ) & |
---|
| 714 | nzb_local(j,i) = nzb_local(j,i) + 1 |
---|
[1] | 715 | ENDDO |
---|
| 716 | ENDDO |
---|
[818] | 717 | |
---|
| 718 | DEALLOCATE ( topo_height ) |
---|
[114] | 719 | ! |
---|
[759] | 720 | !-- Add cyclic boundaries (additional layers are for calculating |
---|
| 721 | !-- flag arrays needed for the multigrid sover) |
---|
[114] | 722 | nzb_local(-gls:-1,0:nx) = nzb_local(ny-gls+1:ny,0:nx) |
---|
| 723 | nzb_local(ny+1:ny+gls,0:nx) = nzb_local(0:gls-1,0:nx) |
---|
| 724 | nzb_local(:,-gls:-1) = nzb_local(:,nx-gls+1:nx) |
---|
| 725 | nzb_local(:,nx+1:nx+gls) = nzb_local(:,0:gls-1) |
---|
[667] | 726 | |
---|
[1] | 727 | CASE DEFAULT |
---|
| 728 | ! |
---|
| 729 | !-- The DEFAULT case is reached either if the parameter topography |
---|
[217] | 730 | !-- contains a wrong character string or if the user has defined a special |
---|
[1] | 731 | !-- case in the user interface. There, the subroutine user_init_grid |
---|
| 732 | !-- checks which of these two conditions applies. |
---|
[114] | 733 | CALL user_init_grid( gls, nzb_local ) |
---|
[1] | 734 | |
---|
| 735 | END SELECT |
---|
| 736 | ! |
---|
[861] | 737 | !-- Determine the maximum level of topography. Furthermore it is used for |
---|
| 738 | !-- steering the degradation of order of the applied advection scheme. |
---|
[978] | 739 | !-- In case of non-cyclic lateral boundaries, the order of the advection |
---|
[996] | 740 | !-- scheme have to be reduced up to nzt (required at the lateral boundaries). |
---|
[1677] | 741 | nzb_max = MAXVAL( nzb_local ) + 1 |
---|
[1353] | 742 | IF ( inflow_l .OR. outflow_l .OR. inflow_r .OR. outflow_r .OR. & |
---|
[1762] | 743 | inflow_n .OR. outflow_n .OR. inflow_s .OR. outflow_s .OR. & |
---|
| 744 | nest_domain ) & |
---|
| 745 | THEN |
---|
| 746 | nzb_max = nzt |
---|
[978] | 747 | ENDIF |
---|
| 748 | |
---|
[861] | 749 | ! |
---|
[1] | 750 | !-- Consistency checks and index array initialization are only required for |
---|
[217] | 751 | !-- non-flat topography, also the initialization of topography height arrays |
---|
[49] | 752 | !-- zu_s_inner and zw_w_inner |
---|
[1] | 753 | IF ( TRIM( topography ) /= 'flat' ) THEN |
---|
| 754 | |
---|
| 755 | ! |
---|
| 756 | !-- Consistency checks |
---|
| 757 | IF ( MINVAL( nzb_local ) < 0 .OR. MAXVAL( nzb_local ) > nz + 1 ) THEN |
---|
[1353] | 758 | WRITE( message_string, * ) 'nzb_local values are outside the', & |
---|
| 759 | 'model domain', & |
---|
| 760 | '&MINVAL( nzb_local ) = ', MINVAL(nzb_local), & |
---|
[274] | 761 | '&MAXVAL( nzb_local ) = ', MAXVAL(nzb_local) |
---|
[254] | 762 | CALL message( 'init_grid', 'PA0210', 1, 2, 0, 6, 0 ) |
---|
[1] | 763 | ENDIF |
---|
| 764 | |
---|
[722] | 765 | IF ( bc_lr == 'cyclic' ) THEN |
---|
[1353] | 766 | IF ( ANY( nzb_local(:,-1) /= nzb_local(:,nx) ) .OR. & |
---|
[1] | 767 | ANY( nzb_local(:,0) /= nzb_local(:,nx+1) ) ) THEN |
---|
[1353] | 768 | message_string = 'nzb_local does not fulfill cyclic' // & |
---|
[254] | 769 | ' boundary condition in x-direction' |
---|
| 770 | CALL message( 'init_grid', 'PA0211', 1, 2, 0, 6, 0 ) |
---|
[1] | 771 | ENDIF |
---|
| 772 | ENDIF |
---|
[722] | 773 | IF ( bc_ns == 'cyclic' ) THEN |
---|
[1353] | 774 | IF ( ANY( nzb_local(-1,:) /= nzb_local(ny,:) ) .OR. & |
---|
[1] | 775 | ANY( nzb_local(0,:) /= nzb_local(ny+1,:) ) ) THEN |
---|
[1353] | 776 | message_string = 'nzb_local does not fulfill cyclic' // & |
---|
[254] | 777 | ' boundary condition in y-direction' |
---|
| 778 | CALL message( 'init_grid', 'PA0212', 1, 2, 0, 6, 0 ) |
---|
[1] | 779 | ENDIF |
---|
| 780 | ENDIF |
---|
| 781 | |
---|
[217] | 782 | IF ( topography_grid_convention == 'cell_edge' ) THEN |
---|
[134] | 783 | ! |
---|
[217] | 784 | !-- The array nzb_local as defined using the 'cell_edge' convention |
---|
| 785 | !-- describes the actual total size of topography which is defined at the |
---|
| 786 | !-- cell edges where u=0 on the topography walls in x-direction and v=0 |
---|
| 787 | !-- on the topography walls in y-direction. However, PALM uses individual |
---|
| 788 | !-- arrays nzb_u|v|w|s_inner|outer that are based on nzb_s_inner. |
---|
| 789 | !-- Therefore, the extent of topography in nzb_local is now reduced by |
---|
| 790 | !-- 1dx at the E topography walls and by 1dy at the N topography walls |
---|
| 791 | !-- to form the basis for nzb_s_inner. |
---|
| 792 | DO j = -gls, ny + gls |
---|
| 793 | DO i = -gls, nx |
---|
| 794 | nzb_local(j,i) = MIN( nzb_local(j,i), nzb_local(j,i+1) ) |
---|
| 795 | ENDDO |
---|
[134] | 796 | ENDDO |
---|
[217] | 797 | !-- apply cyclic boundary conditions in x-direction |
---|
| 798 | !(ist das erforderlich? Ursache von Seung Bus Fehler?) |
---|
| 799 | nzb_local(:,nx+1:nx+gls) = nzb_local(:,0:gls-1) |
---|
| 800 | DO i = -gls, nx + gls |
---|
| 801 | DO j = -gls, ny |
---|
| 802 | nzb_local(j,i) = MIN( nzb_local(j,i), nzb_local(j+1,i) ) |
---|
| 803 | ENDDO |
---|
[134] | 804 | ENDDO |
---|
[217] | 805 | !-- apply cyclic boundary conditions in y-direction |
---|
| 806 | !(ist das erforderlich? Ursache von Seung Bus Fehler?) |
---|
| 807 | nzb_local(ny+1:ny+gls,:) = nzb_local(0:gls-1,:) |
---|
| 808 | ENDIF |
---|
[134] | 809 | |
---|
[1] | 810 | ! |
---|
| 811 | !-- Initialize index arrays nzb_s_inner and nzb_w_inner |
---|
[861] | 812 | nzb_s_inner = nzb_local(nysg:nyng,nxlg:nxrg) |
---|
| 813 | nzb_w_inner = nzb_local(nysg:nyng,nxlg:nxrg) |
---|
[1] | 814 | |
---|
| 815 | ! |
---|
| 816 | !-- Initialize remaining index arrays: |
---|
| 817 | !-- first pre-initialize them with nzb_s_inner... |
---|
| 818 | nzb_u_inner = nzb_s_inner |
---|
| 819 | nzb_u_outer = nzb_s_inner |
---|
| 820 | nzb_v_inner = nzb_s_inner |
---|
| 821 | nzb_v_outer = nzb_s_inner |
---|
| 822 | nzb_w_outer = nzb_s_inner |
---|
| 823 | nzb_s_outer = nzb_s_inner |
---|
| 824 | |
---|
| 825 | ! |
---|
| 826 | !-- ...then extend pre-initialized arrays in their according directions |
---|
| 827 | !-- based on nzb_local using nzb_tmp as a temporary global index array |
---|
| 828 | |
---|
| 829 | ! |
---|
| 830 | !-- nzb_s_outer: |
---|
| 831 | !-- extend nzb_local east-/westwards first, then north-/southwards |
---|
[667] | 832 | nzb_tmp = nzb_local(-nbgp:ny+nbgp,-nbgp:nx+nbgp) |
---|
[1] | 833 | DO j = -1, ny + 1 |
---|
| 834 | DO i = 0, nx |
---|
[1353] | 835 | nzb_tmp(j,i) = MAX( nzb_local(j,i-1), nzb_local(j,i), & |
---|
[1] | 836 | nzb_local(j,i+1) ) |
---|
| 837 | ENDDO |
---|
| 838 | ENDDO |
---|
| 839 | DO i = nxl, nxr |
---|
| 840 | DO j = nys, nyn |
---|
[1353] | 841 | nzb_s_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i), & |
---|
[1] | 842 | nzb_tmp(j+1,i) ) |
---|
| 843 | ENDDO |
---|
| 844 | ! |
---|
| 845 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 846 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 847 | IF ( nys == 0 ) THEN |
---|
| 848 | j = -1 |
---|
| 849 | nzb_s_outer(j,i) = MAX( nzb_tmp(j+1,i), nzb_tmp(j,i) ) |
---|
| 850 | ENDIF |
---|
[1743] | 851 | IF ( nyn == ny ) THEN |
---|
[1] | 852 | j = ny + 1 |
---|
| 853 | nzb_s_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i) ) |
---|
| 854 | ENDIF |
---|
| 855 | ENDDO |
---|
| 856 | ! |
---|
| 857 | !-- nzb_w_outer: |
---|
| 858 | !-- identical to nzb_s_outer |
---|
| 859 | nzb_w_outer = nzb_s_outer |
---|
| 860 | |
---|
| 861 | ! |
---|
| 862 | !-- nzb_u_inner: |
---|
| 863 | !-- extend nzb_local rightwards only |
---|
[667] | 864 | nzb_tmp = nzb_local(-nbgp:ny+nbgp,-nbgp:nx+nbgp) |
---|
[1] | 865 | DO j = -1, ny + 1 |
---|
| 866 | DO i = 0, nx + 1 |
---|
| 867 | nzb_tmp(j,i) = MAX( nzb_local(j,i-1), nzb_local(j,i) ) |
---|
| 868 | ENDDO |
---|
| 869 | ENDDO |
---|
[667] | 870 | nzb_u_inner = nzb_tmp(nysg:nyng,nxlg:nxrg) |
---|
[1] | 871 | |
---|
| 872 | ! |
---|
| 873 | !-- nzb_u_outer: |
---|
| 874 | !-- extend current nzb_tmp (nzb_u_inner) north-/southwards |
---|
| 875 | DO i = nxl, nxr |
---|
| 876 | DO j = nys, nyn |
---|
[1353] | 877 | nzb_u_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i), & |
---|
[1] | 878 | nzb_tmp(j+1,i) ) |
---|
| 879 | ENDDO |
---|
| 880 | ! |
---|
| 881 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 882 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 883 | IF ( nys == 0 ) THEN |
---|
| 884 | j = -1 |
---|
| 885 | nzb_u_outer(j,i) = MAX( nzb_tmp(j+1,i), nzb_tmp(j,i) ) |
---|
| 886 | ENDIF |
---|
[1743] | 887 | IF ( nyn == ny ) THEN |
---|
[1] | 888 | j = ny + 1 |
---|
| 889 | nzb_u_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i) ) |
---|
| 890 | ENDIF |
---|
| 891 | ENDDO |
---|
| 892 | |
---|
| 893 | ! |
---|
| 894 | !-- nzb_v_inner: |
---|
| 895 | !-- extend nzb_local northwards only |
---|
[667] | 896 | nzb_tmp = nzb_local(-nbgp:ny+nbgp,-nbgp:nx+nbgp) |
---|
[1] | 897 | DO i = -1, nx + 1 |
---|
| 898 | DO j = 0, ny + 1 |
---|
| 899 | nzb_tmp(j,i) = MAX( nzb_local(j-1,i), nzb_local(j,i) ) |
---|
| 900 | ENDDO |
---|
| 901 | ENDDO |
---|
[667] | 902 | nzb_v_inner = nzb_tmp(nys-nbgp:nyn+nbgp,nxl-nbgp:nxr+nbgp) |
---|
[1] | 903 | |
---|
| 904 | ! |
---|
| 905 | !-- nzb_v_outer: |
---|
| 906 | !-- extend current nzb_tmp (nzb_v_inner) right-/leftwards |
---|
| 907 | DO j = nys, nyn |
---|
| 908 | DO i = nxl, nxr |
---|
[1353] | 909 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i-1), nzb_tmp(j,i), & |
---|
[1] | 910 | nzb_tmp(j,i+1) ) |
---|
| 911 | ENDDO |
---|
| 912 | ! |
---|
| 913 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 914 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 915 | IF ( nxl == 0 ) THEN |
---|
| 916 | i = -1 |
---|
| 917 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i+1), nzb_tmp(j,i) ) |
---|
| 918 | ENDIF |
---|
| 919 | IF ( nxr == nx ) THEN |
---|
| 920 | i = nx + 1 |
---|
| 921 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i-1), nzb_tmp(j,i) ) |
---|
| 922 | ENDIF |
---|
| 923 | ENDDO |
---|
[809] | 924 | #if ! defined ( __check ) |
---|
[1] | 925 | ! |
---|
| 926 | !-- Exchange of lateral boundary values (parallel computers) and cyclic |
---|
| 927 | !-- boundary conditions, if applicable. |
---|
| 928 | !-- Since nzb_s_inner and nzb_w_inner are derived directly from nzb_local |
---|
| 929 | !-- they do not require exchange and are not included here. |
---|
| 930 | CALL exchange_horiz_2d_int( nzb_u_inner ) |
---|
| 931 | CALL exchange_horiz_2d_int( nzb_u_outer ) |
---|
| 932 | CALL exchange_horiz_2d_int( nzb_v_inner ) |
---|
| 933 | CALL exchange_horiz_2d_int( nzb_v_outer ) |
---|
| 934 | CALL exchange_horiz_2d_int( nzb_w_outer ) |
---|
| 935 | CALL exchange_horiz_2d_int( nzb_s_outer ) |
---|
| 936 | |
---|
[49] | 937 | ! |
---|
| 938 | !-- Allocate and set the arrays containing the topography height |
---|
| 939 | IF ( myid == 0 ) THEN |
---|
| 940 | |
---|
| 941 | ALLOCATE( zu_s_inner(0:nx+1,0:ny+1), zw_w_inner(0:nx+1,0:ny+1) ) |
---|
| 942 | |
---|
| 943 | DO i = 0, nx + 1 |
---|
| 944 | DO j = 0, ny + 1 |
---|
| 945 | zu_s_inner(i,j) = zu(nzb_local(j,i)) |
---|
| 946 | zw_w_inner(i,j) = zw(nzb_local(j,i)) |
---|
| 947 | ENDDO |
---|
| 948 | ENDDO |
---|
| 949 | |
---|
| 950 | ENDIF |
---|
[1221] | 951 | ! |
---|
| 952 | !-- Set flag arrays to be used for masking of grid points |
---|
| 953 | DO i = nxlg, nxrg |
---|
| 954 | DO j = nysg, nyng |
---|
| 955 | DO k = nzb, nzt+1 |
---|
[1353] | 956 | IF ( k <= nzb_s_inner(j,i) ) rflags_s_inner(k,j,i) = 0.0_wp |
---|
| 957 | IF ( k <= nzb_s_inner(j,i) ) rflags_invers(j,i,k) = 0.0_wp |
---|
[1221] | 958 | ENDDO |
---|
| 959 | ENDDO |
---|
| 960 | ENDDO |
---|
[807] | 961 | #endif |
---|
[1] | 962 | ENDIF |
---|
| 963 | |
---|
[809] | 964 | #if ! defined ( __check ) |
---|
[1] | 965 | ! |
---|
| 966 | !-- Preliminary: to be removed after completion of the topography code! |
---|
| 967 | !-- Set the former default k index arrays nzb_2d |
---|
| 968 | nzb_2d = nzb |
---|
| 969 | |
---|
| 970 | ! |
---|
| 971 | !-- Set the individual index arrays which define the k index from which on |
---|
| 972 | !-- the usual finite difference form (which does not use surface fluxes) is |
---|
| 973 | !-- applied |
---|
[1691] | 974 | IF ( constant_flux_layer .OR. use_surface_fluxes ) THEN |
---|
[1] | 975 | nzb_diff_u = nzb_u_inner + 2 |
---|
| 976 | nzb_diff_v = nzb_v_inner + 2 |
---|
| 977 | nzb_diff_s_inner = nzb_s_inner + 2 |
---|
| 978 | nzb_diff_s_outer = nzb_s_outer + 2 |
---|
| 979 | ELSE |
---|
| 980 | nzb_diff_u = nzb_u_inner + 1 |
---|
| 981 | nzb_diff_v = nzb_v_inner + 1 |
---|
| 982 | nzb_diff_s_inner = nzb_s_inner + 1 |
---|
| 983 | nzb_diff_s_outer = nzb_s_outer + 1 |
---|
| 984 | ENDIF |
---|
| 985 | |
---|
| 986 | ! |
---|
| 987 | !-- Calculation of wall switches and factors required by diffusion_u/v.f90 and |
---|
| 988 | !-- for limitation of near-wall mixing length l_wall further below |
---|
| 989 | corner_nl = 0 |
---|
| 990 | corner_nr = 0 |
---|
| 991 | corner_sl = 0 |
---|
| 992 | corner_sr = 0 |
---|
| 993 | wall_l = 0 |
---|
| 994 | wall_n = 0 |
---|
| 995 | wall_r = 0 |
---|
| 996 | wall_s = 0 |
---|
| 997 | |
---|
| 998 | DO i = nxl, nxr |
---|
| 999 | DO j = nys, nyn |
---|
| 1000 | ! |
---|
| 1001 | !-- u-component |
---|
| 1002 | IF ( nzb_u_outer(j,i) > nzb_u_outer(j+1,i) ) THEN |
---|
[1353] | 1003 | wall_u(j,i) = 1.0_wp ! north wall (location of adjacent fluid) |
---|
| 1004 | fym(j,i) = 0.0_wp |
---|
| 1005 | fyp(j,i) = 1.0_wp |
---|
[1] | 1006 | ELSEIF ( nzb_u_outer(j,i) > nzb_u_outer(j-1,i) ) THEN |
---|
[1353] | 1007 | wall_u(j,i) = 1.0_wp ! south wall (location of adjacent fluid) |
---|
| 1008 | fym(j,i) = 1.0_wp |
---|
| 1009 | fyp(j,i) = 0.0_wp |
---|
[1] | 1010 | ENDIF |
---|
| 1011 | ! |
---|
| 1012 | !-- v-component |
---|
| 1013 | IF ( nzb_v_outer(j,i) > nzb_v_outer(j,i+1) ) THEN |
---|
[1353] | 1014 | wall_v(j,i) = 1.0_wp ! rigth wall (location of adjacent fluid) |
---|
| 1015 | fxm(j,i) = 0.0_wp |
---|
| 1016 | fxp(j,i) = 1.0_wp |
---|
[1] | 1017 | ELSEIF ( nzb_v_outer(j,i) > nzb_v_outer(j,i-1) ) THEN |
---|
[1353] | 1018 | wall_v(j,i) = 1.0_wp ! left wall (location of adjacent fluid) |
---|
| 1019 | fxm(j,i) = 1.0_wp |
---|
| 1020 | fxp(j,i) = 0.0_wp |
---|
[1] | 1021 | ENDIF |
---|
| 1022 | ! |
---|
| 1023 | !-- w-component, also used for scalars, separate arrays for shear |
---|
| 1024 | !-- production of tke |
---|
| 1025 | IF ( nzb_w_outer(j,i) > nzb_w_outer(j+1,i) ) THEN |
---|
[1353] | 1026 | wall_e_y(j,i) = 1.0_wp ! north wall (location of adjacent fluid) |
---|
| 1027 | wall_w_y(j,i) = 1.0_wp |
---|
| 1028 | fwym(j,i) = 0.0_wp |
---|
| 1029 | fwyp(j,i) = 1.0_wp |
---|
[1] | 1030 | ELSEIF ( nzb_w_outer(j,i) > nzb_w_outer(j-1,i) ) THEN |
---|
[1353] | 1031 | wall_e_y(j,i) = -1.0_wp ! south wall (location of adjacent fluid) |
---|
| 1032 | wall_w_y(j,i) = 1.0_wp |
---|
| 1033 | fwym(j,i) = 1.0_wp |
---|
| 1034 | fwyp(j,i) = 0.0_wp |
---|
[1] | 1035 | ENDIF |
---|
| 1036 | IF ( nzb_w_outer(j,i) > nzb_w_outer(j,i+1) ) THEN |
---|
[1353] | 1037 | wall_e_x(j,i) = 1.0_wp ! right wall (location of adjacent fluid) |
---|
| 1038 | wall_w_x(j,i) = 1.0_wp |
---|
| 1039 | fwxm(j,i) = 0.0_wp |
---|
| 1040 | fwxp(j,i) = 1.0_wp |
---|
[1] | 1041 | ELSEIF ( nzb_w_outer(j,i) > nzb_w_outer(j,i-1) ) THEN |
---|
[1353] | 1042 | wall_e_x(j,i) = -1.0_wp ! left wall (location of adjacent fluid) |
---|
| 1043 | wall_w_x(j,i) = 1.0_wp |
---|
| 1044 | fwxm(j,i) = 1.0_wp |
---|
| 1045 | fwxp(j,i) = 0.0_wp |
---|
[1] | 1046 | ENDIF |
---|
| 1047 | ! |
---|
| 1048 | !-- Wall and corner locations inside buildings for limitation of |
---|
| 1049 | !-- near-wall mixing length l_wall |
---|
| 1050 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j+1,i) ) THEN |
---|
| 1051 | |
---|
| 1052 | wall_n(j,i) = nzb_s_inner(j+1,i) + 1 ! North wall |
---|
| 1053 | |
---|
| 1054 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 1055 | corner_nl(j,i) = MAX( nzb_s_inner(j+1,i), & ! Northleft corner |
---|
| 1056 | nzb_s_inner(j,i-1) ) + 1 |
---|
| 1057 | ENDIF |
---|
| 1058 | |
---|
| 1059 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 1060 | corner_nr(j,i) = MAX( nzb_s_inner(j+1,i), & ! Northright corner |
---|
| 1061 | nzb_s_inner(j,i+1) ) + 1 |
---|
| 1062 | ENDIF |
---|
| 1063 | |
---|
| 1064 | ENDIF |
---|
| 1065 | |
---|
| 1066 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j-1,i) ) THEN |
---|
| 1067 | |
---|
| 1068 | wall_s(j,i) = nzb_s_inner(j-1,i) + 1 ! South wall |
---|
| 1069 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 1070 | corner_sl(j,i) = MAX( nzb_s_inner(j-1,i), & ! Southleft corner |
---|
| 1071 | nzb_s_inner(j,i-1) ) + 1 |
---|
| 1072 | ENDIF |
---|
| 1073 | |
---|
| 1074 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 1075 | corner_sr(j,i) = MAX( nzb_s_inner(j-1,i), & ! Southright corner |
---|
| 1076 | nzb_s_inner(j,i+1) ) + 1 |
---|
| 1077 | ENDIF |
---|
| 1078 | |
---|
| 1079 | ENDIF |
---|
| 1080 | |
---|
| 1081 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 1082 | wall_l(j,i) = nzb_s_inner(j,i-1) + 1 ! Left wall |
---|
| 1083 | ENDIF |
---|
| 1084 | |
---|
| 1085 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 1086 | wall_r(j,i) = nzb_s_inner(j,i+1) + 1 ! Right wall |
---|
| 1087 | ENDIF |
---|
| 1088 | |
---|
| 1089 | ENDDO |
---|
| 1090 | ENDDO |
---|
| 1091 | |
---|
| 1092 | ! |
---|
[114] | 1093 | !-- Calculate wall flag arrays for the multigrid method |
---|
[1575] | 1094 | IF ( psolver(1:9) == 'multigrid' ) THEN |
---|
[114] | 1095 | ! |
---|
| 1096 | !-- Gridpoint increment of the current level |
---|
| 1097 | inc = 1 |
---|
| 1098 | |
---|
| 1099 | DO l = maximum_grid_level, 1 , -1 |
---|
| 1100 | |
---|
| 1101 | nxl_l = nxl_mg(l) |
---|
| 1102 | nxr_l = nxr_mg(l) |
---|
| 1103 | nys_l = nys_mg(l) |
---|
| 1104 | nyn_l = nyn_mg(l) |
---|
| 1105 | nzt_l = nzt_mg(l) |
---|
| 1106 | |
---|
| 1107 | ! |
---|
| 1108 | !-- Assign the flag level to be calculated |
---|
| 1109 | SELECT CASE ( l ) |
---|
| 1110 | CASE ( 1 ) |
---|
| 1111 | flags => wall_flags_1 |
---|
| 1112 | CASE ( 2 ) |
---|
| 1113 | flags => wall_flags_2 |
---|
| 1114 | CASE ( 3 ) |
---|
| 1115 | flags => wall_flags_3 |
---|
| 1116 | CASE ( 4 ) |
---|
| 1117 | flags => wall_flags_4 |
---|
| 1118 | CASE ( 5 ) |
---|
| 1119 | flags => wall_flags_5 |
---|
| 1120 | CASE ( 6 ) |
---|
| 1121 | flags => wall_flags_6 |
---|
| 1122 | CASE ( 7 ) |
---|
| 1123 | flags => wall_flags_7 |
---|
| 1124 | CASE ( 8 ) |
---|
| 1125 | flags => wall_flags_8 |
---|
| 1126 | CASE ( 9 ) |
---|
| 1127 | flags => wall_flags_9 |
---|
| 1128 | CASE ( 10 ) |
---|
| 1129 | flags => wall_flags_10 |
---|
| 1130 | END SELECT |
---|
| 1131 | |
---|
| 1132 | ! |
---|
| 1133 | !-- Depending on the grid level, set the respective bits in case of |
---|
| 1134 | !-- neighbouring walls |
---|
| 1135 | !-- Bit 0: wall to the bottom |
---|
| 1136 | !-- Bit 1: wall to the top (not realized in remaining PALM code so far) |
---|
| 1137 | !-- Bit 2: wall to the south |
---|
| 1138 | !-- Bit 3: wall to the north |
---|
| 1139 | !-- Bit 4: wall to the left |
---|
| 1140 | !-- Bit 5: wall to the right |
---|
[116] | 1141 | !-- Bit 6: inside building |
---|
[114] | 1142 | |
---|
| 1143 | flags = 0 |
---|
| 1144 | |
---|
[927] | 1145 | ! |
---|
| 1146 | !-- In case of masking method, flags are not set and multigrid method |
---|
| 1147 | !-- works like FFT-solver |
---|
| 1148 | IF ( .NOT. masking_method ) THEN |
---|
| 1149 | |
---|
| 1150 | DO i = nxl_l-1, nxr_l+1 |
---|
| 1151 | DO j = nys_l-1, nyn_l+1 |
---|
| 1152 | DO k = nzb, nzt_l+1 |
---|
[114] | 1153 | |
---|
| 1154 | ! |
---|
[927] | 1155 | !-- Inside/outside building (inside building does not need |
---|
| 1156 | !-- further tests for walls) |
---|
| 1157 | IF ( k*inc <= nzb_local(j*inc,i*inc) ) THEN |
---|
[114] | 1158 | |
---|
[927] | 1159 | flags(k,j,i) = IBSET( flags(k,j,i), 6 ) |
---|
[114] | 1160 | |
---|
[927] | 1161 | ELSE |
---|
[114] | 1162 | ! |
---|
[927] | 1163 | !-- Bottom wall |
---|
| 1164 | IF ( (k-1)*inc <= nzb_local(j*inc,i*inc) ) THEN |
---|
| 1165 | flags(k,j,i) = IBSET( flags(k,j,i), 0 ) |
---|
| 1166 | ENDIF |
---|
[114] | 1167 | ! |
---|
[927] | 1168 | !-- South wall |
---|
| 1169 | IF ( k*inc <= nzb_local((j-1)*inc,i*inc) ) THEN |
---|
| 1170 | flags(k,j,i) = IBSET( flags(k,j,i), 2 ) |
---|
| 1171 | ENDIF |
---|
[114] | 1172 | ! |
---|
[927] | 1173 | !-- North wall |
---|
| 1174 | IF ( k*inc <= nzb_local((j+1)*inc,i*inc) ) THEN |
---|
| 1175 | flags(k,j,i) = IBSET( flags(k,j,i), 3 ) |
---|
| 1176 | ENDIF |
---|
[114] | 1177 | ! |
---|
[927] | 1178 | !-- Left wall |
---|
| 1179 | IF ( k*inc <= nzb_local(j*inc,(i-1)*inc) ) THEN |
---|
| 1180 | flags(k,j,i) = IBSET( flags(k,j,i), 4 ) |
---|
| 1181 | ENDIF |
---|
[114] | 1182 | ! |
---|
[927] | 1183 | !-- Right wall |
---|
| 1184 | IF ( k*inc <= nzb_local(j*inc,(i+1)*inc) ) THEN |
---|
| 1185 | flags(k,j,i) = IBSET( flags(k,j,i), 5 ) |
---|
| 1186 | ENDIF |
---|
| 1187 | |
---|
[114] | 1188 | ENDIF |
---|
| 1189 | |
---|
[927] | 1190 | ENDDO |
---|
[114] | 1191 | ENDDO |
---|
| 1192 | ENDDO |
---|
| 1193 | |
---|
[927] | 1194 | ENDIF |
---|
| 1195 | |
---|
[114] | 1196 | ! |
---|
| 1197 | !-- Test output of flag arrays |
---|
[145] | 1198 | ! i = nxl_l |
---|
| 1199 | ! WRITE (9,*) ' ' |
---|
| 1200 | ! WRITE (9,*) '*** mg level ', l, ' ***', mg_switch_to_pe0_level |
---|
| 1201 | ! WRITE (9,*) ' inc=', inc, ' i =', nxl_l |
---|
| 1202 | ! WRITE (9,*) ' nxl_l',nxl_l,' nxr_l=',nxr_l,' nys_l=',nys_l,' nyn_l=',nyn_l |
---|
| 1203 | ! DO k = nzt_l+1, nzb, -1 |
---|
| 1204 | ! WRITE (9,'(194(1X,I2))') ( flags(k,j,i), j = nys_l-1, nyn_l+1 ) |
---|
| 1205 | ! ENDDO |
---|
[114] | 1206 | |
---|
| 1207 | inc = inc * 2 |
---|
| 1208 | |
---|
| 1209 | ENDDO |
---|
| 1210 | |
---|
| 1211 | ENDIF |
---|
[861] | 1212 | ! |
---|
| 1213 | !-- Allocate flags needed for masking walls. |
---|
[1677] | 1214 | ALLOCATE( wall_flags_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
| 1215 | wall_flags_00(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
[1221] | 1216 | wall_flags_0 = 0 |
---|
| 1217 | wall_flags_00 = 0 |
---|
[114] | 1218 | |
---|
[1557] | 1219 | IF ( scalar_advec == 'ws-scheme' .OR. & |
---|
| 1220 | scalar_advec == 'ws-scheme-mono' ) THEN |
---|
[114] | 1221 | ! |
---|
[861] | 1222 | !-- Set flags to steer the degradation of the advection scheme in advec_ws |
---|
| 1223 | !-- near topography, inflow- and outflow boundaries as well as bottom and |
---|
| 1224 | !-- top of model domain. wall_flags_0 remains zero for all non-prognostic |
---|
| 1225 | !-- grid points. |
---|
| 1226 | DO i = nxl, nxr |
---|
| 1227 | DO j = nys, nyn |
---|
| 1228 | DO k = nzb_s_inner(j,i)+1, nzt |
---|
| 1229 | ! |
---|
| 1230 | !-- scalar - x-direction |
---|
| 1231 | !-- WS1 (0), WS3 (1), WS5 (2) |
---|
[1762] | 1232 | IF ( k <= nzb_s_inner(j,i+1) .OR. & |
---|
| 1233 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1234 | .AND. i == nxl ) .OR. & |
---|
| 1235 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1236 | .AND. i == nxr ) ) & |
---|
| 1237 | THEN |
---|
[861] | 1238 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 0 ) |
---|
| 1239 | ELSEIF ( k <= nzb_s_inner(j,i+2) .OR. k <= nzb_s_inner(j,i-1) & |
---|
[1762] | 1240 | .OR. & |
---|
| 1241 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1242 | .AND. i == nxr-1 ) .OR. & |
---|
| 1243 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1244 | .AND. i == nxlu ) ) & |
---|
| 1245 | THEN |
---|
[861] | 1246 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 1 ) |
---|
| 1247 | ELSE |
---|
| 1248 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 2 ) |
---|
| 1249 | ENDIF |
---|
| 1250 | ! |
---|
| 1251 | !-- scalar - y-direction |
---|
| 1252 | !-- WS1 (3), WS3 (4), WS5 (5) |
---|
[1762] | 1253 | IF ( k <= nzb_s_inner(j+1,i) .OR. & |
---|
| 1254 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1255 | .AND. j == nys ) .OR. & |
---|
| 1256 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1257 | .AND. j == nyn ) ) & |
---|
| 1258 | THEN |
---|
[861] | 1259 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 3 ) |
---|
[1762] | 1260 | ! |
---|
[861] | 1261 | !-- WS3 |
---|
| 1262 | ELSEIF ( k <= nzb_s_inner(j+2,i) .OR. k <= nzb_s_inner(j-1,i) & |
---|
[1762] | 1263 | .OR. & |
---|
| 1264 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1265 | .AND. j == nysv ) .OR. & |
---|
| 1266 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1267 | .AND. j == nyn-1 ) ) & |
---|
| 1268 | THEN |
---|
[861] | 1269 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 4 ) |
---|
[1762] | 1270 | ! |
---|
[861] | 1271 | !-- WS5 |
---|
| 1272 | ELSE |
---|
| 1273 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 5 ) |
---|
| 1274 | ENDIF |
---|
| 1275 | ! |
---|
| 1276 | !-- scalar - z-direction |
---|
| 1277 | !-- WS1 (6), WS3 (7), WS5 (8) |
---|
| 1278 | flag_set = .FALSE. |
---|
| 1279 | IF ( k == nzb_s_inner(j,i) + 1 .OR. k == nzt ) THEN |
---|
| 1280 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 6 ) |
---|
| 1281 | flag_set = .TRUE. |
---|
| 1282 | ELSEIF ( k == nzb_s_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
| 1283 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 7 ) |
---|
| 1284 | flag_set = .TRUE. |
---|
| 1285 | ELSEIF ( k > nzb_s_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
| 1286 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 8 ) |
---|
| 1287 | ENDIF |
---|
| 1288 | ENDDO |
---|
| 1289 | ENDDO |
---|
| 1290 | ENDDO |
---|
| 1291 | ENDIF |
---|
| 1292 | |
---|
| 1293 | IF ( momentum_advec == 'ws-scheme' ) THEN |
---|
| 1294 | ! |
---|
| 1295 | !-- Set wall_flags_0 to steer the degradation of the advection scheme in advec_ws |
---|
| 1296 | !-- near topography, inflow- and outflow boundaries as well as bottom and |
---|
| 1297 | !-- top of model domain. wall_flags_0 remains zero for all non-prognostic |
---|
| 1298 | !-- grid points. |
---|
| 1299 | DO i = nxl, nxr |
---|
| 1300 | DO j = nys, nyn |
---|
[1580] | 1301 | DO k = nzb+1, nzt |
---|
[861] | 1302 | ! |
---|
[1580] | 1303 | !-- At first, set flags to WS1. |
---|
| 1304 | !-- Since fluxes are swapped in advec_ws.f90, this is necessary to |
---|
| 1305 | !-- in order to handle the left/south flux. |
---|
| 1306 | !-- near vertical walls. |
---|
| 1307 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 9 ) |
---|
| 1308 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 12 ) |
---|
| 1309 | ! |
---|
[861] | 1310 | !-- u component - x-direction |
---|
| 1311 | !-- WS1 (9), WS3 (10), WS5 (11) |
---|
[1762] | 1312 | IF ( k <= nzb_u_inner(j,i+1) .OR. & |
---|
| 1313 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1314 | .AND. i <= nxlu ) .OR. & |
---|
| 1315 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1316 | .AND. i == nxr ) ) & |
---|
| 1317 | THEN |
---|
[1580] | 1318 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 9 ) |
---|
[1762] | 1319 | ELSEIF ( k <= nzb_u_inner(j,i+2) .OR. k <= nzb_u_inner(j,i-1) & |
---|
| 1320 | .OR. & |
---|
| 1321 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1322 | .AND. i == nxr-1 ) .OR. & |
---|
| 1323 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1324 | .AND. i == nxlu+1) ) & |
---|
| 1325 | THEN |
---|
[861] | 1326 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 10 ) |
---|
[1580] | 1327 | ! |
---|
| 1328 | !-- Clear flag for WS1 |
---|
| 1329 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 9 ) |
---|
[861] | 1330 | ELSE |
---|
| 1331 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 11 ) |
---|
[1580] | 1332 | ! |
---|
| 1333 | !-- Clear flag for WS1 |
---|
| 1334 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 9 ) |
---|
[861] | 1335 | ENDIF |
---|
| 1336 | ! |
---|
| 1337 | !-- u component - y-direction |
---|
| 1338 | !-- WS1 (12), WS3 (13), WS5 (14) |
---|
[1762] | 1339 | IF ( k <= nzb_u_inner(j+1,i) .OR. & |
---|
| 1340 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1341 | .AND. j == nys ) .OR. & |
---|
| 1342 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1343 | .AND. j == nyn ) ) & |
---|
| 1344 | THEN |
---|
| 1345 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 12 ) |
---|
[861] | 1346 | ELSEIF ( k <= nzb_u_inner(j+2,i) .OR. k <= nzb_u_inner(j-1,i) & |
---|
[1762] | 1347 | .OR. & |
---|
| 1348 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1349 | .AND. j == nysv ) .OR. & |
---|
| 1350 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1351 | .AND. j == nyn-1 ) ) & |
---|
| 1352 | THEN |
---|
[861] | 1353 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 13 ) |
---|
[1580] | 1354 | ! |
---|
| 1355 | !-- Clear flag for WS1 |
---|
| 1356 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 12 ) |
---|
[861] | 1357 | ELSE |
---|
| 1358 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 14 ) |
---|
[1580] | 1359 | ! |
---|
| 1360 | !-- Clear flag for WS1 |
---|
| 1361 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 12 ) |
---|
[861] | 1362 | ENDIF |
---|
| 1363 | ! |
---|
| 1364 | !-- u component - z-direction |
---|
| 1365 | !-- WS1 (15), WS3 (16), WS5 (17) |
---|
| 1366 | flag_set = .FALSE. |
---|
| 1367 | IF ( k == nzb_u_inner(j,i) + 1 .OR. k == nzt ) THEN |
---|
| 1368 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 15 ) |
---|
| 1369 | flag_set = .TRUE. |
---|
| 1370 | ELSEIF ( k == nzb_u_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
| 1371 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 16 ) |
---|
| 1372 | flag_set = .TRUE. |
---|
| 1373 | ELSEIF ( k > nzb_u_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
| 1374 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 17 ) |
---|
| 1375 | ENDIF |
---|
| 1376 | |
---|
| 1377 | ENDDO |
---|
| 1378 | ENDDO |
---|
| 1379 | ENDDO |
---|
| 1380 | |
---|
| 1381 | DO i = nxl, nxr |
---|
| 1382 | DO j = nys, nyn |
---|
[1580] | 1383 | DO k = nzb+1, nzt |
---|
[861] | 1384 | ! |
---|
[1580] | 1385 | !-- At first, set flags to WS1. |
---|
| 1386 | !-- Since fluxes are swapped in advec_ws.f90, this is necessary to |
---|
| 1387 | !-- in order to handle the left/south flux. |
---|
| 1388 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 18 ) |
---|
| 1389 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 21 ) |
---|
| 1390 | ! |
---|
[861] | 1391 | !-- v component - x-direction |
---|
| 1392 | !-- WS1 (18), WS3 (19), WS5 (20) |
---|
[1762] | 1393 | IF ( k <= nzb_v_inner(j,i+1) .OR. & |
---|
| 1394 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1395 | .AND. i == nxl ) .OR. & |
---|
| 1396 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1397 | .AND. i == nxr ) ) & |
---|
| 1398 | THEN |
---|
| 1399 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 18 ) |
---|
| 1400 | ! |
---|
[861] | 1401 | !-- WS3 |
---|
| 1402 | ELSEIF ( k <= nzb_v_inner(j,i+2) .OR. k <= nzb_v_inner(j,i-1) & |
---|
[1762] | 1403 | .OR. & |
---|
| 1404 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1405 | .AND. i == nxr-1 ) .OR. & |
---|
| 1406 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1407 | .AND. i == nxlu ) ) & |
---|
| 1408 | THEN |
---|
[861] | 1409 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 19 ) |
---|
[1580] | 1410 | ! |
---|
| 1411 | !-- Clear flag for WS1 |
---|
| 1412 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 18 ) |
---|
[861] | 1413 | ELSE |
---|
| 1414 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 20 ) |
---|
[1580] | 1415 | ! |
---|
| 1416 | !-- Clear flag for WS1 |
---|
| 1417 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 18 ) |
---|
[861] | 1418 | ENDIF |
---|
| 1419 | ! |
---|
| 1420 | !-- v component - y-direction |
---|
| 1421 | !-- WS1 (21), WS3 (22), WS5 (23) |
---|
[1762] | 1422 | IF ( k <= nzb_v_inner(j+1,i) .OR. & |
---|
| 1423 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1424 | .AND. j <= nysv ) .OR. & |
---|
| 1425 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1426 | .AND. j == nyn ) ) & |
---|
| 1427 | THEN |
---|
| 1428 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 21 ) |
---|
[861] | 1429 | ELSEIF ( k <= nzb_v_inner(j+2,i) .OR. k <= nzb_v_inner(j-1,i) & |
---|
[1762] | 1430 | .OR. & |
---|
| 1431 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1432 | .AND. j == nysv+1) .OR. & |
---|
| 1433 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1434 | .AND. j == nyn-1 ) ) & |
---|
| 1435 | THEN |
---|
[861] | 1436 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 22 ) |
---|
[1580] | 1437 | ! |
---|
| 1438 | !-- Clear flag for WS1 |
---|
| 1439 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 21 ) |
---|
[861] | 1440 | ELSE |
---|
| 1441 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 23 ) |
---|
[1580] | 1442 | ! |
---|
| 1443 | !-- Clear flag for WS1 |
---|
| 1444 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 21 ) |
---|
[861] | 1445 | ENDIF |
---|
| 1446 | ! |
---|
| 1447 | !-- v component - z-direction |
---|
| 1448 | !-- WS1 (24), WS3 (25), WS5 (26) |
---|
| 1449 | flag_set = .FALSE. |
---|
| 1450 | IF ( k == nzb_v_inner(j,i) + 1 .OR. k == nzt ) THEN |
---|
| 1451 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 24 ) |
---|
| 1452 | flag_set = .TRUE. |
---|
| 1453 | ELSEIF ( k == nzb_v_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
| 1454 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 25 ) |
---|
| 1455 | flag_set = .TRUE. |
---|
| 1456 | ELSEIF ( k > nzb_v_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
| 1457 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 26 ) |
---|
| 1458 | ENDIF |
---|
| 1459 | |
---|
| 1460 | ENDDO |
---|
| 1461 | ENDDO |
---|
| 1462 | ENDDO |
---|
| 1463 | DO i = nxl, nxr |
---|
| 1464 | DO j = nys, nyn |
---|
[1580] | 1465 | DO k = nzb+1, nzt |
---|
[861] | 1466 | ! |
---|
[1580] | 1467 | !-- At first, set flags to WS1. |
---|
| 1468 | !-- Since fluxes are swapped in advec_ws.f90, this is necessary to |
---|
| 1469 | !-- in order to handle the left/south flux. |
---|
| 1470 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 27 ) |
---|
| 1471 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 30 ) |
---|
| 1472 | ! |
---|
[861] | 1473 | !-- w component - x-direction |
---|
| 1474 | !-- WS1 (27), WS3 (28), WS5 (29) |
---|
[1762] | 1475 | IF ( k <= nzb_w_inner(j,i+1) .OR. & |
---|
| 1476 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1477 | .AND. i == nxl ) .OR. & |
---|
| 1478 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1479 | .AND. i == nxr ) ) & |
---|
| 1480 | THEN |
---|
| 1481 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 27 ) |
---|
[861] | 1482 | ELSEIF ( k <= nzb_w_inner(j,i+2) .OR. k <= nzb_w_inner(j,i-1) & |
---|
[1762] | 1483 | .OR. & |
---|
| 1484 | ( ( inflow_r .OR. outflow_r .OR. nest_bound_r ) & |
---|
| 1485 | .AND. i == nxr-1 ) .OR. & |
---|
| 1486 | ( ( inflow_l .OR. outflow_l .OR. nest_bound_l ) & |
---|
| 1487 | .AND. i == nxlu ) ) & |
---|
| 1488 | THEN |
---|
[861] | 1489 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 28 ) |
---|
[1580] | 1490 | ! |
---|
| 1491 | !-- Clear flag for WS1 |
---|
| 1492 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 27 ) |
---|
[861] | 1493 | ELSE |
---|
| 1494 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i),29 ) |
---|
[1580] | 1495 | ! |
---|
| 1496 | !-- Clear flag for WS1 |
---|
| 1497 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 27 ) |
---|
[861] | 1498 | ENDIF |
---|
| 1499 | ! |
---|
| 1500 | !-- w component - y-direction |
---|
| 1501 | !-- WS1 (30), WS3 (31), WS5 (32) |
---|
[1762] | 1502 | IF ( k <= nzb_w_inner(j+1,i) .OR. & |
---|
| 1503 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1504 | .AND. j == nys ) .OR. & |
---|
| 1505 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1506 | .AND. j == nyn ) ) & |
---|
| 1507 | THEN |
---|
| 1508 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 30 ) |
---|
[861] | 1509 | ELSEIF ( k <= nzb_w_inner(j+2,i) .OR. k <= nzb_w_inner(j-1,i) & |
---|
[1762] | 1510 | .OR. & |
---|
| 1511 | ( ( inflow_s .OR. outflow_s .OR. nest_bound_s ) & |
---|
| 1512 | .AND. j == nysv ) .OR. & |
---|
| 1513 | ( ( inflow_n .OR. outflow_n .OR. nest_bound_n ) & |
---|
| 1514 | .AND. j == nyn-1 ) ) & |
---|
| 1515 | THEN |
---|
[861] | 1516 | wall_flags_0(k,j,i) = IBSET( wall_flags_0(k,j,i), 31 ) |
---|
[1580] | 1517 | ! |
---|
| 1518 | !-- Clear flag for WS1 |
---|
| 1519 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 30 ) |
---|
[861] | 1520 | ELSE |
---|
[1221] | 1521 | wall_flags_00(k,j,i) = IBSET( wall_flags_00(k,j,i), 0 ) |
---|
[1580] | 1522 | ! |
---|
| 1523 | !-- Clear flag for WS1 |
---|
| 1524 | wall_flags_0(k,j,i) = IBCLR( wall_flags_0(k,j,i), 30 ) |
---|
[861] | 1525 | ENDIF |
---|
| 1526 | ! |
---|
| 1527 | !-- w component - z-direction |
---|
[1679] | 1528 | !-- WS1 (33), WS3 (34), WS5 (35) |
---|
[861] | 1529 | flag_set = .FALSE. |
---|
| 1530 | IF ( k == nzb_w_inner(j,i) .OR. k == nzb_w_inner(j,i) + 1 & |
---|
| 1531 | .OR. k == nzt ) THEN |
---|
| 1532 | ! |
---|
| 1533 | !-- Please note, at k == nzb_w_inner(j,i) a flag is explictely |
---|
| 1534 | !-- set, although this is not a prognostic level. However, |
---|
| 1535 | !-- contrary to the advection of u,v and s this is necessary |
---|
| 1536 | !-- because flux_t(nzb_w_inner(j,i)) is used for the tendency |
---|
| 1537 | !-- at k == nzb_w_inner(j,i)+1. |
---|
[1221] | 1538 | wall_flags_00(k,j,i) = IBSET( wall_flags_00(k,j,i), 1 ) |
---|
[861] | 1539 | flag_set = .TRUE. |
---|
| 1540 | ELSEIF ( k == nzb_w_inner(j,i) + 2 .OR. k == nzt - 1 ) THEN |
---|
[1221] | 1541 | wall_flags_00(k,j,i) = IBSET( wall_flags_00(k,j,i), 2 ) |
---|
[861] | 1542 | flag_set = .TRUE. |
---|
| 1543 | ELSEIF ( k > nzb_w_inner(j,i) .AND. .NOT. flag_set ) THEN |
---|
[1221] | 1544 | wall_flags_00(k,j,i) = IBSET( wall_flags_00(k,j,i), 3 ) |
---|
[861] | 1545 | ENDIF |
---|
| 1546 | |
---|
| 1547 | ENDDO |
---|
| 1548 | ENDDO |
---|
| 1549 | ENDDO |
---|
| 1550 | |
---|
| 1551 | ENDIF |
---|
| 1552 | |
---|
| 1553 | ! |
---|
[1677] | 1554 | !-- Exchange 3D integer wall_flags. |
---|
| 1555 | IF ( momentum_advec == 'ws-scheme' .OR. scalar_advec == 'ws-scheme' & |
---|
| 1556 | .OR. scalar_advec == 'ws-scheme-mono' ) THEN |
---|
| 1557 | ! |
---|
| 1558 | !-- Exchange ghost points for advection flags |
---|
| 1559 | CALL exchange_horiz_int( wall_flags_0, nbgp ) |
---|
| 1560 | CALL exchange_horiz_int( wall_flags_00, nbgp ) |
---|
| 1561 | ! |
---|
| 1562 | !-- Set boundary flags at inflow and outflow boundary in case of |
---|
| 1563 | !-- non-cyclic boundary conditions. |
---|
[1762] | 1564 | IF ( inflow_l .OR. outflow_l .OR. nest_bound_l ) THEN |
---|
[1677] | 1565 | wall_flags_0(:,:,nxl-1) = wall_flags_0(:,:,nxl) |
---|
| 1566 | wall_flags_00(:,:,nxl-1) = wall_flags_00(:,:,nxl) |
---|
| 1567 | ENDIF |
---|
| 1568 | |
---|
[1762] | 1569 | IF ( inflow_r .OR. outflow_r .OR. nest_bound_r ) THEN |
---|
[1677] | 1570 | wall_flags_0(:,:,nxr+1) = wall_flags_0(:,:,nxr) |
---|
| 1571 | wall_flags_00(:,:,nxr+1) = wall_flags_00(:,:,nxr) |
---|
| 1572 | ENDIF |
---|
| 1573 | |
---|
[1762] | 1574 | IF ( inflow_n .OR. outflow_n .OR. nest_bound_n ) THEN |
---|
[1677] | 1575 | wall_flags_0(:,nyn+1,:) = wall_flags_0(:,nyn,:) |
---|
| 1576 | wall_flags_00(:,nyn+1,:) = wall_flags_00(:,nyn,:) |
---|
| 1577 | ENDIF |
---|
| 1578 | |
---|
[1762] | 1579 | IF ( inflow_s .OR. outflow_s .OR. nest_bound_s ) THEN |
---|
[1677] | 1580 | wall_flags_0(:,nys-1,:) = wall_flags_0(:,nys,:) |
---|
| 1581 | wall_flags_00(:,nys-1,:) = wall_flags_00(:,nys,:) |
---|
| 1582 | ENDIF |
---|
| 1583 | |
---|
| 1584 | ENDIF |
---|
| 1585 | |
---|
| 1586 | ! |
---|
[1] | 1587 | !-- In case of topography: limit near-wall mixing length l_wall further: |
---|
| 1588 | !-- Go through all points of the subdomain one by one and look for the closest |
---|
| 1589 | !-- surface |
---|
| 1590 | IF ( TRIM(topography) /= 'flat' ) THEN |
---|
| 1591 | DO i = nxl, nxr |
---|
| 1592 | DO j = nys, nyn |
---|
| 1593 | |
---|
| 1594 | nzb_si = nzb_s_inner(j,i) |
---|
| 1595 | vi = vertical_influence(nzb_si) |
---|
| 1596 | |
---|
| 1597 | IF ( wall_n(j,i) > 0 ) THEN |
---|
| 1598 | ! |
---|
| 1599 | !-- North wall (y distance) |
---|
| 1600 | DO k = wall_n(j,i), nzb_si |
---|
[1353] | 1601 | l_wall(k,j+1,i) = MIN( l_wall(k,j+1,i), 0.5_wp * dy ) |
---|
[1] | 1602 | ENDDO |
---|
| 1603 | ! |
---|
| 1604 | !-- Above North wall (yz distance) |
---|
| 1605 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1606 | l_wall(k,j+1,i) = MIN( l_wall(k,j+1,i), & |
---|
| 1607 | SQRT( 0.25_wp * dy**2 + & |
---|
[1] | 1608 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1609 | ENDDO |
---|
| 1610 | ! |
---|
| 1611 | !-- Northleft corner (xy distance) |
---|
| 1612 | IF ( corner_nl(j,i) > 0 ) THEN |
---|
| 1613 | DO k = corner_nl(j,i), nzb_si |
---|
| 1614 | l_wall(k,j+1,i-1) = MIN( l_wall(k,j+1,i-1), & |
---|
[1353] | 1615 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1616 | ENDDO |
---|
| 1617 | ! |
---|
| 1618 | !-- Above Northleft corner (xyz distance) |
---|
| 1619 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1620 | l_wall(k,j+1,i-1) = MIN( l_wall(k,j+1,i-1), & |
---|
| 1621 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1622 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1623 | ENDDO |
---|
| 1624 | ENDIF |
---|
| 1625 | ! |
---|
| 1626 | !-- Northright corner (xy distance) |
---|
| 1627 | IF ( corner_nr(j,i) > 0 ) THEN |
---|
| 1628 | DO k = corner_nr(j,i), nzb_si |
---|
[1353] | 1629 | l_wall(k,j+1,i+1) = MIN( l_wall(k,j+1,i+1), & |
---|
| 1630 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1631 | ENDDO |
---|
| 1632 | ! |
---|
| 1633 | !-- Above northright corner (xyz distance) |
---|
| 1634 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1635 | l_wall(k,j+1,i+1) = MIN( l_wall(k,j+1,i+1), & |
---|
| 1636 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1637 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1638 | ENDDO |
---|
| 1639 | ENDIF |
---|
| 1640 | ENDIF |
---|
| 1641 | |
---|
| 1642 | IF ( wall_s(j,i) > 0 ) THEN |
---|
| 1643 | ! |
---|
| 1644 | !-- South wall (y distance) |
---|
| 1645 | DO k = wall_s(j,i), nzb_si |
---|
[1353] | 1646 | l_wall(k,j-1,i) = MIN( l_wall(k,j-1,i), 0.5_wp * dy ) |
---|
[1] | 1647 | ENDDO |
---|
| 1648 | ! |
---|
| 1649 | !-- Above south wall (yz distance) |
---|
[1353] | 1650 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1651 | l_wall(k,j-1,i) = MIN( l_wall(k,j-1,i), & |
---|
| 1652 | SQRT( 0.25_wp * dy**2 + & |
---|
[1] | 1653 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1654 | ENDDO |
---|
| 1655 | ! |
---|
| 1656 | !-- Southleft corner (xy distance) |
---|
| 1657 | IF ( corner_sl(j,i) > 0 ) THEN |
---|
| 1658 | DO k = corner_sl(j,i), nzb_si |
---|
[1353] | 1659 | l_wall(k,j-1,i-1) = MIN( l_wall(k,j-1,i-1), & |
---|
| 1660 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1661 | ENDDO |
---|
| 1662 | ! |
---|
| 1663 | !-- Above southleft corner (xyz distance) |
---|
| 1664 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1665 | l_wall(k,j-1,i-1) = MIN( l_wall(k,j-1,i-1), & |
---|
| 1666 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1667 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1668 | ENDDO |
---|
| 1669 | ENDIF |
---|
| 1670 | ! |
---|
| 1671 | !-- Southright corner (xy distance) |
---|
| 1672 | IF ( corner_sr(j,i) > 0 ) THEN |
---|
| 1673 | DO k = corner_sr(j,i), nzb_si |
---|
[1353] | 1674 | l_wall(k,j-1,i+1) = MIN( l_wall(k,j-1,i+1), & |
---|
| 1675 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1676 | ENDDO |
---|
| 1677 | ! |
---|
| 1678 | !-- Above southright corner (xyz distance) |
---|
| 1679 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1680 | l_wall(k,j-1,i+1) = MIN( l_wall(k,j-1,i+1), & |
---|
| 1681 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1682 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1683 | ENDDO |
---|
| 1684 | ENDIF |
---|
| 1685 | |
---|
| 1686 | ENDIF |
---|
| 1687 | |
---|
| 1688 | IF ( wall_l(j,i) > 0 ) THEN |
---|
| 1689 | ! |
---|
| 1690 | !-- Left wall (x distance) |
---|
| 1691 | DO k = wall_l(j,i), nzb_si |
---|
[1353] | 1692 | l_wall(k,j,i-1) = MIN( l_wall(k,j,i-1), 0.5_wp * dx ) |
---|
[1] | 1693 | ENDDO |
---|
| 1694 | ! |
---|
| 1695 | !-- Above left wall (xz distance) |
---|
| 1696 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1697 | l_wall(k,j,i-1) = MIN( l_wall(k,j,i-1), & |
---|
| 1698 | SQRT( 0.25_wp * dx**2 + & |
---|
| 1699 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1700 | ENDDO |
---|
| 1701 | ENDIF |
---|
| 1702 | |
---|
| 1703 | IF ( wall_r(j,i) > 0 ) THEN |
---|
| 1704 | ! |
---|
| 1705 | !-- Right wall (x distance) |
---|
| 1706 | DO k = wall_r(j,i), nzb_si |
---|
[1353] | 1707 | l_wall(k,j,i+1) = MIN( l_wall(k,j,i+1), 0.5_wp * dx ) |
---|
[1] | 1708 | ENDDO |
---|
| 1709 | ! |
---|
| 1710 | !-- Above right wall (xz distance) |
---|
| 1711 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1712 | l_wall(k,j,i+1) = MIN( l_wall(k,j,i+1), & |
---|
| 1713 | SQRT( 0.25_wp * dx**2 + & |
---|
[1] | 1714 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1715 | ENDDO |
---|
| 1716 | |
---|
| 1717 | ENDIF |
---|
| 1718 | |
---|
| 1719 | ENDDO |
---|
| 1720 | ENDDO |
---|
| 1721 | |
---|
| 1722 | ENDIF |
---|
| 1723 | |
---|
| 1724 | ! |
---|
| 1725 | !-- Multiplication with wall_adjustment_factor |
---|
| 1726 | l_wall = wall_adjustment_factor * l_wall |
---|
| 1727 | |
---|
| 1728 | ! |
---|
[709] | 1729 | !-- Set lateral boundary conditions for l_wall |
---|
[667] | 1730 | CALL exchange_horiz( l_wall, nbgp ) |
---|
| 1731 | |
---|
[1] | 1732 | DEALLOCATE( corner_nl, corner_nr, corner_sl, corner_sr, nzb_local, & |
---|
| 1733 | nzb_tmp, vertical_influence, wall_l, wall_n, wall_r, wall_s ) |
---|
| 1734 | |
---|
[807] | 1735 | #endif |
---|
[1] | 1736 | |
---|
| 1737 | END SUBROUTINE init_grid |
---|