[1682] | 1 | !> @file init_grid.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[1036] | 3 | ! This file is part of PALM. |
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| 4 | ! |
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[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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[1036] | 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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[2101] | 17 | ! Copyright 1997-2017 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[254] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[1969] | 22 | ! |
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[2201] | 23 | ! |
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[1969] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: init_grid.f90 2201 2017-04-11 11:39:25Z suehring $ |
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| 27 | ! |
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[2201] | 28 | ! 2200 2017-04-11 11:37:51Z suehring |
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| 29 | ! monotonic_adjustment removed |
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| 30 | ! |
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[2170] | 31 | ! 2169 2017-03-06 18:16:35Z suehring |
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| 32 | ! Bugfix, move setting for topography grid convention to init_grid, else, if no |
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| 33 | ! value is set, the simulation may abort in case of restarts |
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| 34 | ! |
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[2129] | 35 | ! 2128 2017-01-23 15:00:03Z suehring |
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| 36 | ! Bugfix in setting topography from file in case of ocean simulations |
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| 37 | ! |
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[2089] | 38 | ! 2088 2016-12-19 16:30:25Z suehring |
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| 39 | ! Bugfix in generic topography in case of ocean simulations |
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| 40 | ! |
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[2038] | 41 | ! 2037 2016-10-26 11:15:40Z knoop |
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| 42 | ! Anelastic approximation implemented |
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| 43 | ! |
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[2022] | 44 | ! 2021 2016-10-07 14:08:57Z suehring |
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| 45 | ! Bugfix: setting Neumann boundary conditions for topography required for |
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| 46 | ! topography flags in multigrid_noopt solver |
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| 47 | ! |
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[2001] | 48 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 49 | ! Forced header and separation lines into 80 columns |
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| 50 | ! |
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[1995] | 51 | ! 1994 2016-08-15 09:52:21Z suehring |
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| 52 | ! Bugfix in definition of generic topography |
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| 53 | ! |
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[1983] | 54 | ! 1982 2016-08-01 11:04:48Z suehring |
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| 55 | ! Bugfix concering consistency check for topography |
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| 56 | ! |
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[1969] | 57 | ! 1968 2016-07-18 12:01:49Z suehring |
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[1968] | 58 | ! Changed: PE-wise reading of topography file in order to avoid global definition |
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| 59 | ! of arrays nzb_local and nzb_tmp. Thereby, topography definition for single |
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| 60 | ! buildings and street canyons has changed, as well as flag setting for |
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| 61 | ! multigrid scheme. |
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| 62 | ! |
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| 63 | ! Bugfix in checking l_grid anisotropy. |
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| 64 | ! Simplify initial computation of lwall and vertical_influence, i.e. remove |
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| 65 | ! nzb_s_inner as it is still zero at this point. |
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[1932] | 66 | ! |
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[1943] | 67 | ! 1942 2016-06-14 12:18:18Z suehring |
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| 68 | ! Topography filter implemented to fill holes resolved by only one grid point. |
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| 69 | ! Initialization of flags for ws-scheme moved to advec_ws. |
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| 70 | ! |
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[1932] | 71 | ! 1931 2016-06-10 12:06:59Z suehring |
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| 72 | ! Rename multigrid into multigrid_noopt and multigrid_fast into multigrid |
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| 73 | ! |
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[1911] | 74 | ! 1910 2016-05-26 06:49:46Z raasch |
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| 75 | ! Bugfix: if topography is read from file, Neumann conditions are used for the |
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| 76 | ! nzb_local array (instead of cyclic conditions) in case that non-cyclic |
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| 77 | ! boundary conditions are switched on for the run |
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| 78 | ! |
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[1903] | 79 | ! 1902 2016-05-09 11:18:56Z suehring |
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[1910] | 80 | ! Set topography flags for multigrid solver only (not for multigrid_fast) |
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[1903] | 81 | ! |
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[1887] | 82 | ! 1886 2016-04-21 11:20:47Z suehring |
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| 83 | ! Bugfix: setting advection flags near walls |
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| 84 | ! reformulated index values for nzb_v_inner |
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| 85 | ! variable discriptions added in declaration block |
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| 86 | ! |
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[1846] | 87 | ! 1845 2016-04-08 08:29:13Z raasch |
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| 88 | ! nzb_2d removed |
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| 89 | ! |
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[1805] | 90 | ! 1804 2016-04-05 16:30:18Z maronga |
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| 91 | ! Removed code for parameter file check (__check) |
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| 92 | ! |
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[1780] | 93 | ! 1779 2016-03-03 08:01:28Z raasch |
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| 94 | ! coupling_char is trimmed at every place it occurs, because it can have |
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| 95 | ! different length now |
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| 96 | ! |
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[1763] | 97 | ! 1762 2016-02-25 12:31:13Z hellstea |
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| 98 | ! Introduction of nested domain feature |
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| 99 | ! |
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[1744] | 100 | ! 1743 2016-01-13 10:23:51Z raasch |
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| 101 | ! Bugfix for calculation of nzb_s_outer and nzb_u_outer at north boundary of |
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| 102 | ! total domain |
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| 103 | ! |
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[1692] | 104 | ! 1691 2015-10-26 16:17:44Z maronga |
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| 105 | ! Renamed prandtl_layer to constant_flux_layer. |
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| 106 | ! |
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[1683] | 107 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 108 | ! Code annotations made doxygen readable |
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| 109 | ! |
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[1678] | 110 | ! 1677 2015-10-02 13:25:23Z boeske |
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| 111 | ! Bugfix: Ghost points are included in wall_flags_0 and wall_flags_00 |
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| 112 | ! |
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[1676] | 113 | ! 1675 2015-10-02 08:28:59Z gronemeier |
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| 114 | ! Bugfix: Definition of topography grid levels |
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| 115 | ! |
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[1662] | 116 | ! 1660 2015-09-21 08:15:16Z gronemeier |
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| 117 | ! Bugfix: Definition of topography grid levels if vertical grid stretching |
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| 118 | ! starts below the maximum topography height. |
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| 119 | ! |
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[1581] | 120 | ! 1580 2015-04-10 13:43:49Z suehring |
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| 121 | ! Bugfix: setting flags for 5th order scheme near buildings |
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| 122 | ! |
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[1576] | 123 | ! 1575 2015-03-27 09:56:27Z raasch |
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| 124 | ! adjustments for psolver-queries |
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| 125 | ! |
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[1558] | 126 | ! 1557 2015-03-05 16:43:04Z suehring |
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| 127 | ! Adjustment for monotoinic limiter |
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| 128 | ! |
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[1419] | 129 | ! 1418 2014-06-06 13:05:08Z fricke |
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| 130 | ! Bugfix: Change if-condition for stretched grid in the ocean, with the old |
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| 131 | ! condition and a negative value for dz_stretch_level the condition |
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| 132 | ! was always true for the whole model domain |
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| 133 | ! |
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[1410] | 134 | ! 1409 2014-05-23 12:11:32Z suehring |
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| 135 | ! Bugfix: set wall_flags_0 at inflow and outflow boundary also for i <= nxlu |
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| 136 | ! j <= nysv |
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| 137 | ! |
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[1354] | 138 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 139 | ! REAL constants provided with KIND-attribute |
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| 140 | ! |
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[1323] | 141 | ! 1322 2014-03-20 16:38:49Z raasch |
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| 142 | ! REAL constants defined as wp-kind |
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| 143 | ! |
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[1321] | 144 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 145 | ! ONLY-attribute added to USE-statements, |
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| 146 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 147 | ! kinds are defined in new module kinds, |
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| 148 | ! revision history before 2012 removed, |
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| 149 | ! comment fields (!:) to be used for variable explanations added to |
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| 150 | ! all variable declaration statements |
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[1321] | 151 | ! |
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[1222] | 152 | ! 1221 2013-09-10 08:59:13Z raasch |
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| 153 | ! wall_flags_00 introduced to hold bits 32-63, |
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| 154 | ! additional 3D-flag arrays for replacing the 2D-index array nzb_s_inner in |
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| 155 | ! loops optimized for openACC (pres + flow_statistics) |
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| 156 | ! |
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[1093] | 157 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 158 | ! unused variables removed |
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| 159 | ! |
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[1070] | 160 | ! 1069 2012-11-28 16:18:43Z maronga |
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[1779] | 161 | ! bugfix: added coupling_char to TOPOGRAPHY_DATA to allow topography in the |
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| 162 | ! ocean model in case of coupled runs |
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[1070] | 163 | ! |
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[1037] | 164 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 165 | ! code put under GPL (PALM 3.9) |
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| 166 | ! |
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[1017] | 167 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 168 | ! lower index for calculating wall_flags_0 set to nzb_w_inner instead of |
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| 169 | ! nzb_w_inner+1 |
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| 170 | ! |
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[997] | 171 | ! 996 2012-09-07 10:41:47Z raasch |
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| 172 | ! little reformatting |
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| 173 | ! |
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[979] | 174 | ! 978 2012-08-09 08:28:32Z fricke |
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| 175 | ! Bugfix: nzb_max is set to nzt at non-cyclic lateral boundaries |
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| 176 | ! Bugfix: Set wall_flags_0 for inflow boundary |
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| 177 | ! |
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[928] | 178 | ! 927 2012-06-06 19:15:04Z raasch |
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| 179 | ! Wall flags are not set for multigrid method in case of masking method |
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| 180 | ! |
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[865] | 181 | ! 864 2012-03-27 15:10:33Z gryschka |
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[927] | 182 | ! In case of ocean and Dirichlet bottom bc for u and v dzu_mg and ddzu_pres |
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| 183 | ! were not correctly defined for k=1. |
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[865] | 184 | ! |
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[863] | 185 | ! 861 2012-03-26 14:18:34Z suehring |
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[861] | 186 | ! Set wall_flags_0. The array is needed for degradation in ws-scheme near walls, |
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| 187 | ! inflow and outflow boundaries as well as near the bottom and the top of the |
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[863] | 188 | ! model domain.! |
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[861] | 189 | ! Initialization of nzb_s_inner and nzb_w_inner. |
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| 190 | ! gls has to be at least nbgp to do not exceed the array bounds of nzb_local |
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| 191 | ! while setting wall_flags_0 |
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| 192 | ! |
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[844] | 193 | ! 843 2012-02-29 15:16:21Z gryschka |
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| 194 | ! In case of ocean and dirichlet bc for u and v at the bottom |
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| 195 | ! the first u-level ist defined at same height as the first w-level |
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| 196 | ! |
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[819] | 197 | ! 818 2012-02-08 16:11:23Z maronga |
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| 198 | ! Bugfix: topo_height is only required if topography is used. It is thus now |
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| 199 | ! allocated in the topography branch |
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| 200 | ! |
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[810] | 201 | ! 809 2012-01-30 13:32:58Z maronga |
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| 202 | ! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives |
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| 203 | ! |
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[808] | 204 | ! 807 2012-01-25 11:53:51Z maronga |
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| 205 | ! New cpp directive "__check" implemented which is used by check_namelist_files |
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| 206 | ! |
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[1] | 207 | ! Revision 1.1 1997/08/11 06:17:45 raasch |
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| 208 | ! Initial revision (Testversion) |
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| 209 | ! |
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| 210 | ! |
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| 211 | ! Description: |
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| 212 | ! ------------ |
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[1682] | 213 | !> Creating grid depending constants |
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[1] | 214 | !------------------------------------------------------------------------------! |
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[1682] | 215 | SUBROUTINE init_grid |
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| 216 | |
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[1942] | 217 | USE advec_ws, & |
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| 218 | ONLY: ws_init_flags |
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[1] | 219 | |
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[1320] | 220 | USE arrays_3d, & |
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| 221 | ONLY: dd2zu, ddzu, ddzu_pres, ddzw, dzu, dzu_mg, dzw, dzw_mg, f1_mg, & |
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| 222 | f2_mg, f3_mg, l_grid, l_wall, zu, zw |
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| 223 | |
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[1353] | 224 | USE control_parameters, & |
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[1910] | 225 | ONLY: bc_lr_cyc, bc_ns_cyc, building_height, building_length_x, & |
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[1320] | 226 | building_length_y, building_wall_left, building_wall_south, & |
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| 227 | canyon_height, canyon_wall_left, canyon_wall_south, & |
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[1691] | 228 | canyon_width_x, canyon_width_y, constant_flux_layer, & |
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| 229 | coupling_char, dp_level_ind_b, dz, dz_max, dz_stretch_factor, & |
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[1968] | 230 | dz_stretch_level, dz_stretch_level_index, grid_level, ibc_uv_b, & |
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| 231 | io_blocks, io_group, inflow_l, inflow_n, inflow_r, inflow_s, & |
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[1691] | 232 | masking_method, maximum_grid_level, message_string, & |
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[2021] | 233 | momentum_advec, nest_domain, nest_bound_l, nest_bound_n, & |
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| 234 | nest_bound_r, nest_bound_s, ocean, outflow_l, outflow_n, & |
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[1762] | 235 | outflow_r, outflow_s, psolver, scalar_advec, topography, & |
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[1691] | 236 | topography_grid_convention, use_surface_fluxes, use_top_fluxes, & |
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[2021] | 237 | wall_adjustment_factor |
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| 238 | |
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[1320] | 239 | USE grid_variables, & |
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[2037] | 240 | ONLY: ddx, ddx2, ddy, ddy2, dx, dx2, dy, dy2, fwxm, & |
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[1320] | 241 | fwxp, fwym, fwyp, fxm, fxp, fym, fyp, wall_e_x, wall_e_y, & |
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| 242 | wall_u, wall_v, wall_w_x, wall_w_y, zu_s_inner, zw_w_inner |
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| 243 | |
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| 244 | USE indices, & |
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[1942] | 245 | ONLY: flags, nbgp, nx, nxl, nxlg, nxl_mg, nxr, nxrg, nxr_mg, & |
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| 246 | ny, nyn, nyng, nyn_mg, nys, nys_mg, nysg, nz, nzb, & |
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[1845] | 247 | nzb_diff, nzb_diff_s_inner, nzb_diff_s_outer, nzb_diff_u, & |
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| 248 | nzb_diff_v, nzb_max, nzb_s_inner, nzb_s_outer, nzb_u_inner, & |
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| 249 | nzb_u_outer, nzb_v_inner, nzb_v_outer, nzb_w_inner, & |
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| 250 | nzb_w_outer, nzt, nzt_diff, nzt_mg, rflags_invers, & |
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[1320] | 251 | rflags_s_inner, wall_flags_0, wall_flags_00, wall_flags_1, & |
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| 252 | wall_flags_10, wall_flags_2, wall_flags_3, wall_flags_4, & |
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| 253 | wall_flags_5, wall_flags_6, wall_flags_7, wall_flags_8, & |
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| 254 | wall_flags_9 |
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| 255 | |
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| 256 | USE kinds |
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| 257 | |
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[1] | 258 | USE pegrid |
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| 259 | |
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| 260 | IMPLICIT NONE |
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| 261 | |
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[1968] | 262 | INTEGER(iwp) :: bh !< temporary vertical index of building height |
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| 263 | INTEGER(iwp) :: blx !< grid point number of building size along x |
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| 264 | INTEGER(iwp) :: bly !< grid point number of building size along y |
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| 265 | INTEGER(iwp) :: bxl !< index for left building wall |
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| 266 | INTEGER(iwp) :: bxr !< index for right building wall |
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| 267 | INTEGER(iwp) :: byn !< index for north building wall |
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| 268 | INTEGER(iwp) :: bys !< index for south building wall |
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| 269 | INTEGER(iwp) :: ch !< temporary vertical index for canyon height |
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| 270 | INTEGER(iwp) :: cwx !< grid point number of canyon size along x |
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| 271 | INTEGER(iwp) :: cwy !< grid point number of canyon size along y |
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| 272 | INTEGER(iwp) :: cxl !< index for left canyon wall |
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| 273 | INTEGER(iwp) :: cxr !< index for right canyon wall |
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| 274 | INTEGER(iwp) :: cyn !< index for north canyon wall |
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| 275 | INTEGER(iwp) :: cys !< index for south canyon wall |
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| 276 | INTEGER(iwp) :: i !< index variable along x |
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| 277 | INTEGER(iwp) :: ii !< loop variable for reading topography file |
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| 278 | INTEGER(iwp) :: inc !< incremental parameter for coarsening grid level |
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| 279 | INTEGER(iwp) :: j !< index variable along y |
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| 280 | INTEGER(iwp) :: k !< index variable along z |
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| 281 | INTEGER(iwp) :: l !< loop variable |
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| 282 | INTEGER(iwp) :: nxl_l !< index of left PE boundary for multigrid level |
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| 283 | INTEGER(iwp) :: nxr_l !< index of right PE boundary for multigrid level |
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| 284 | INTEGER(iwp) :: nyn_l !< index of north PE boundary for multigrid level |
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| 285 | INTEGER(iwp) :: nys_l !< index of south PE boundary for multigrid level |
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| 286 | INTEGER(iwp) :: nzb_local_max !< vertical grid index of maximum topography height |
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| 287 | INTEGER(iwp) :: nzb_local_min !< vertical grid index of minimum topography height |
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| 288 | INTEGER(iwp) :: nzb_si !< dummy index for local nzb_s_inner |
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| 289 | INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level |
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| 290 | INTEGER(iwp) :: num_hole !< number of holes (in topography) resolved by only one grid point |
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| 291 | INTEGER(iwp) :: num_hole_l !< number of holes (in topography) resolved by only one grid point on local PE |
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| 292 | INTEGER(iwp) :: num_wall !< number of surrounding vertical walls for a single grid point |
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| 293 | INTEGER(iwp) :: skip_n_rows !< counting variable to skip rows while reading topography file |
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| 294 | INTEGER(iwp) :: vi !< dummy for vertical influence |
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[1] | 295 | |
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[1886] | 296 | INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: & |
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[1931] | 297 | vertical_influence !< number of vertical grid points above obstacle where adjustment of near-wall mixing length is required |
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[1886] | 298 | |
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[1968] | 299 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_nl !< index of north-left corner location to limit near-wall mixing length |
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| 300 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_nr !< north-right |
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| 301 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_sl !< south-left |
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| 302 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: corner_sr !< south-right |
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| 303 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: nzb_local !< index for topography top at cell-center |
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| 304 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: nzb_tmp !< dummy to calculate topography indices on u- and v-grid |
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| 305 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_l !< distance to adjacent left-facing wall |
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| 306 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_n !< north-facing |
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| 307 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_r !< right-facing |
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| 308 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: wall_s !< right-facing |
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[1] | 309 | |
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[1968] | 310 | REAL(wp) :: dum !< dummy variable to skip columns while reading topography file |
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[1886] | 311 | REAL(wp) :: dz_stretched !< stretched vertical grid spacing |
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[861] | 312 | |
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[1968] | 313 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: topo_height !< input variable for topography height |
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| 314 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zu_s_inner_l !< dummy array on global scale to write topography output array |
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| 315 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zw_w_inner_l !< dummy array on global scale to write topography output array |
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[1] | 316 | |
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[667] | 317 | |
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[1] | 318 | ! |
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[709] | 319 | !-- Calculation of horizontal array bounds including ghost layers |
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[667] | 320 | nxlg = nxl - nbgp |
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| 321 | nxrg = nxr + nbgp |
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| 322 | nysg = nys - nbgp |
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| 323 | nyng = nyn + nbgp |
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[709] | 324 | |
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[667] | 325 | ! |
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[1] | 326 | !-- Allocate grid arrays |
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[1353] | 327 | ALLOCATE( ddzu(1:nzt+1), ddzw(1:nzt+1), dd2zu(1:nzt), dzu(1:nzt+1), & |
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[667] | 328 | dzw(1:nzt+1), l_grid(1:nzt), zu(nzb:nzt+1), zw(nzb:nzt+1) ) |
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[1] | 329 | |
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| 330 | ! |
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| 331 | !-- Compute height of u-levels from constant grid length and dz stretch factors |
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[1353] | 332 | IF ( dz == -1.0_wp ) THEN |
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[254] | 333 | message_string = 'missing dz' |
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| 334 | CALL message( 'init_grid', 'PA0200', 1, 2, 0, 6, 0 ) |
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[1353] | 335 | ELSEIF ( dz <= 0.0_wp ) THEN |
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[254] | 336 | WRITE( message_string, * ) 'dz=',dz,' <= 0.0' |
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| 337 | CALL message( 'init_grid', 'PA0201', 1, 2, 0, 6, 0 ) |
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[1] | 338 | ENDIF |
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[94] | 339 | |
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[1] | 340 | ! |
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[94] | 341 | !-- Define the vertical grid levels |
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| 342 | IF ( .NOT. ocean ) THEN |
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| 343 | ! |
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| 344 | !-- Grid for atmosphere with surface at z=0 (k=0, w-grid). |
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[843] | 345 | !-- The second u-level (k=1) corresponds to the top of the |
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[94] | 346 | !-- Prandtl-layer. |
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[667] | 347 | |
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| 348 | IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN |
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[1353] | 349 | zu(0) = 0.0_wp |
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| 350 | ! zu(0) = - dz * 0.5_wp |
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[667] | 351 | ELSE |
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[1353] | 352 | zu(0) = - dz * 0.5_wp |
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[667] | 353 | ENDIF |
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[1353] | 354 | zu(1) = dz * 0.5_wp |
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[1] | 355 | |
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[94] | 356 | dz_stretch_level_index = nzt+1 |
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| 357 | dz_stretched = dz |
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| 358 | DO k = 2, nzt+1 |
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| 359 | IF ( dz_stretch_level <= zu(k-1) .AND. dz_stretched < dz_max ) THEN |
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| 360 | dz_stretched = dz_stretched * dz_stretch_factor |
---|
| 361 | dz_stretched = MIN( dz_stretched, dz_max ) |
---|
| 362 | IF ( dz_stretch_level_index == nzt+1 ) dz_stretch_level_index = k-1 |
---|
| 363 | ENDIF |
---|
| 364 | zu(k) = zu(k-1) + dz_stretched |
---|
| 365 | ENDDO |
---|
[1] | 366 | |
---|
| 367 | ! |
---|
[94] | 368 | !-- Compute the w-levels. They are always staggered half-way between the |
---|
[843] | 369 | !-- corresponding u-levels. In case of dirichlet bc for u and v at the |
---|
| 370 | !-- ground the first u- and w-level (k=0) are defined at same height (z=0). |
---|
| 371 | !-- The top w-level is extrapolated linearly. |
---|
[1353] | 372 | zw(0) = 0.0_wp |
---|
[94] | 373 | DO k = 1, nzt |
---|
[1353] | 374 | zw(k) = ( zu(k) + zu(k+1) ) * 0.5_wp |
---|
[94] | 375 | ENDDO |
---|
[1353] | 376 | zw(nzt+1) = zw(nzt) + 2.0_wp * ( zu(nzt+1) - zw(nzt) ) |
---|
[1] | 377 | |
---|
[94] | 378 | ELSE |
---|
[1] | 379 | ! |
---|
[843] | 380 | !-- Grid for ocean with free water surface is at k=nzt (w-grid). |
---|
| 381 | !-- In case of neumann bc at the ground the first first u-level (k=0) lies |
---|
| 382 | !-- below the first w-level (k=0). In case of dirichlet bc the first u- and |
---|
| 383 | !-- w-level are defined at same height, but staggered from the second level. |
---|
| 384 | !-- The second u-level (k=1) corresponds to the top of the Prandtl-layer. |
---|
[1353] | 385 | zu(nzt+1) = dz * 0.5_wp |
---|
| 386 | zu(nzt) = - dz * 0.5_wp |
---|
[94] | 387 | |
---|
| 388 | dz_stretch_level_index = 0 |
---|
| 389 | dz_stretched = dz |
---|
| 390 | DO k = nzt-1, 0, -1 |
---|
[1418] | 391 | ! |
---|
| 392 | !-- The default value of dz_stretch_level is positive, thus the first |
---|
| 393 | !-- condition is always true. Hence, the second condition is necessary. |
---|
| 394 | IF ( dz_stretch_level >= zu(k+1) .AND. dz_stretch_level <= 0.0 & |
---|
| 395 | .AND. dz_stretched < dz_max ) THEN |
---|
[94] | 396 | dz_stretched = dz_stretched * dz_stretch_factor |
---|
| 397 | dz_stretched = MIN( dz_stretched, dz_max ) |
---|
| 398 | IF ( dz_stretch_level_index == 0 ) dz_stretch_level_index = k+1 |
---|
| 399 | ENDIF |
---|
| 400 | zu(k) = zu(k+1) - dz_stretched |
---|
| 401 | ENDDO |
---|
| 402 | |
---|
| 403 | ! |
---|
| 404 | !-- Compute the w-levels. They are always staggered half-way between the |
---|
[843] | 405 | !-- corresponding u-levels, except in case of dirichlet bc for u and v |
---|
| 406 | !-- at the ground. In this case the first u- and w-level are defined at |
---|
| 407 | !-- same height. The top w-level (nzt+1) is not used but set for |
---|
| 408 | !-- consistency, since w and all scalar variables are defined up tp nzt+1. |
---|
[94] | 409 | zw(nzt+1) = dz |
---|
[1353] | 410 | zw(nzt) = 0.0_wp |
---|
[94] | 411 | DO k = 0, nzt |
---|
[1353] | 412 | zw(k) = ( zu(k) + zu(k+1) ) * 0.5_wp |
---|
[94] | 413 | ENDDO |
---|
| 414 | |
---|
[843] | 415 | ! |
---|
| 416 | !-- In case of dirichlet bc for u and v the first u- and w-level are defined |
---|
| 417 | !-- at same height. |
---|
| 418 | IF ( ibc_uv_b == 0 ) THEN |
---|
| 419 | zu(0) = zw(0) |
---|
| 420 | ENDIF |
---|
| 421 | |
---|
[94] | 422 | ENDIF |
---|
| 423 | |
---|
| 424 | ! |
---|
[1] | 425 | !-- Compute grid lengths. |
---|
| 426 | DO k = 1, nzt+1 |
---|
| 427 | dzu(k) = zu(k) - zu(k-1) |
---|
[1353] | 428 | ddzu(k) = 1.0_wp / dzu(k) |
---|
[1] | 429 | dzw(k) = zw(k) - zw(k-1) |
---|
[1353] | 430 | ddzw(k) = 1.0_wp / dzw(k) |
---|
[1] | 431 | ENDDO |
---|
| 432 | |
---|
| 433 | DO k = 1, nzt |
---|
[1353] | 434 | dd2zu(k) = 1.0_wp / ( dzu(k) + dzu(k+1) ) |
---|
[1] | 435 | ENDDO |
---|
[667] | 436 | |
---|
| 437 | ! |
---|
[709] | 438 | !-- The FFT- SOR-pressure solvers assume grid spacings of a staggered grid |
---|
| 439 | !-- everywhere. For the actual grid, the grid spacing at the lowest level |
---|
| 440 | !-- is only dz/2, but should be dz. Therefore, an additional array |
---|
| 441 | !-- containing with appropriate grid information is created for these |
---|
| 442 | !-- solvers. |
---|
[1575] | 443 | IF ( psolver(1:9) /= 'multigrid' ) THEN |
---|
[667] | 444 | ALLOCATE( ddzu_pres(1:nzt+1) ) |
---|
| 445 | ddzu_pres = ddzu |
---|
[864] | 446 | ddzu_pres(1) = ddzu_pres(2) ! change for lowest level |
---|
[1] | 447 | ENDIF |
---|
| 448 | |
---|
| 449 | ! |
---|
| 450 | !-- Compute the reciprocal values of the horizontal grid lengths. |
---|
[1353] | 451 | ddx = 1.0_wp / dx |
---|
| 452 | ddy = 1.0_wp / dy |
---|
[1] | 453 | dx2 = dx * dx |
---|
| 454 | dy2 = dy * dy |
---|
[1353] | 455 | ddx2 = 1.0_wp / dx2 |
---|
| 456 | ddy2 = 1.0_wp / dy2 |
---|
[1] | 457 | |
---|
| 458 | ! |
---|
| 459 | !-- Compute the grid-dependent mixing length. |
---|
| 460 | DO k = 1, nzt |
---|
[1322] | 461 | l_grid(k) = ( dx * dy * dzw(k) )**0.33333333333333_wp |
---|
[1] | 462 | ENDDO |
---|
| 463 | |
---|
| 464 | ! |
---|
| 465 | !-- Allocate outer and inner index arrays for topography and set |
---|
[114] | 466 | !-- defaults. |
---|
[667] | 467 | |
---|
[114] | 468 | ALLOCATE( corner_nl(nys:nyn,nxl:nxr), corner_nr(nys:nyn,nxl:nxr), & |
---|
| 469 | corner_sl(nys:nyn,nxl:nxr), corner_sr(nys:nyn,nxl:nxr), & |
---|
| 470 | wall_l(nys:nyn,nxl:nxr), wall_n(nys:nyn,nxl:nxr), & |
---|
[1968] | 471 | wall_r(nys:nyn,nxl:nxr), wall_s(nys:nyn,nxl:nxr) ) |
---|
| 472 | |
---|
[667] | 473 | ALLOCATE( fwxm(nysg:nyng,nxlg:nxrg), fwxp(nysg:nyng,nxlg:nxrg), & |
---|
| 474 | fwym(nysg:nyng,nxlg:nxrg), fwyp(nysg:nyng,nxlg:nxrg), & |
---|
| 475 | fxm(nysg:nyng,nxlg:nxrg), fxp(nysg:nyng,nxlg:nxrg), & |
---|
| 476 | fym(nysg:nyng,nxlg:nxrg), fyp(nysg:nyng,nxlg:nxrg), & |
---|
| 477 | nzb_s_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 478 | nzb_s_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 479 | nzb_u_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 480 | nzb_u_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 481 | nzb_v_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 482 | nzb_v_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 483 | nzb_w_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 484 | nzb_w_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 485 | nzb_diff_s_inner(nysg:nyng,nxlg:nxrg), & |
---|
| 486 | nzb_diff_s_outer(nysg:nyng,nxlg:nxrg), & |
---|
| 487 | nzb_diff_u(nysg:nyng,nxlg:nxrg), & |
---|
| 488 | nzb_diff_v(nysg:nyng,nxlg:nxrg), & |
---|
[1968] | 489 | nzb_local(nysg:nyng,nxlg:nxrg), & |
---|
| 490 | nzb_tmp(nysg:nyng,nxlg:nxrg), & |
---|
[1221] | 491 | rflags_s_inner(nzb:nzt+2,nysg:nyng,nxlg:nxrg), & |
---|
| 492 | rflags_invers(nysg:nyng,nxlg:nxrg,nzb:nzt+2), & |
---|
[667] | 493 | wall_e_x(nysg:nyng,nxlg:nxrg), & |
---|
| 494 | wall_e_y(nysg:nyng,nxlg:nxrg), & |
---|
| 495 | wall_u(nysg:nyng,nxlg:nxrg), & |
---|
| 496 | wall_v(nysg:nyng,nxlg:nxrg), & |
---|
| 497 | wall_w_x(nysg:nyng,nxlg:nxrg), & |
---|
| 498 | wall_w_y(nysg:nyng,nxlg:nxrg) ) |
---|
[1] | 499 | |
---|
| 500 | |
---|
[667] | 501 | |
---|
| 502 | ALLOCATE( l_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
| 503 | |
---|
[818] | 504 | |
---|
[1] | 505 | nzb_s_inner = nzb; nzb_s_outer = nzb |
---|
| 506 | nzb_u_inner = nzb; nzb_u_outer = nzb |
---|
| 507 | nzb_v_inner = nzb; nzb_v_outer = nzb |
---|
| 508 | nzb_w_inner = nzb; nzb_w_outer = nzb |
---|
| 509 | |
---|
[1353] | 510 | rflags_s_inner = 1.0_wp |
---|
| 511 | rflags_invers = 1.0_wp |
---|
[1221] | 512 | |
---|
[1] | 513 | ! |
---|
[19] | 514 | !-- Define vertical gridpoint from (or to) which on the usual finite difference |
---|
[1] | 515 | !-- form (which does not use surface fluxes) is applied |
---|
[1691] | 516 | IF ( constant_flux_layer .OR. use_surface_fluxes ) THEN |
---|
[1] | 517 | nzb_diff = nzb + 2 |
---|
| 518 | ELSE |
---|
| 519 | nzb_diff = nzb + 1 |
---|
| 520 | ENDIF |
---|
[19] | 521 | IF ( use_top_fluxes ) THEN |
---|
| 522 | nzt_diff = nzt - 1 |
---|
| 523 | ELSE |
---|
| 524 | nzt_diff = nzt |
---|
| 525 | ENDIF |
---|
[1] | 526 | |
---|
| 527 | nzb_diff_s_inner = nzb_diff; nzb_diff_s_outer = nzb_diff |
---|
| 528 | nzb_diff_u = nzb_diff; nzb_diff_v = nzb_diff |
---|
| 529 | |
---|
[1353] | 530 | wall_e_x = 0.0_wp; wall_e_y = 0.0_wp; wall_u = 0.0_wp; wall_v = 0.0_wp |
---|
| 531 | wall_w_x = 0.0_wp; wall_w_y = 0.0_wp |
---|
| 532 | fwxp = 1.0_wp; fwxm = 1.0_wp; fwyp = 1.0_wp; fwym = 1.0_wp |
---|
| 533 | fxp = 1.0_wp; fxm = 1.0_wp; fyp = 1.0_wp; fym = 1.0_wp |
---|
[1] | 534 | |
---|
| 535 | ! |
---|
| 536 | !-- Initialize near-wall mixing length l_wall only in the vertical direction |
---|
| 537 | !-- for the moment, |
---|
| 538 | !-- multiplication with wall_adjustment_factor near the end of this routine |
---|
| 539 | l_wall(nzb,:,:) = l_grid(1) |
---|
| 540 | DO k = nzb+1, nzt |
---|
| 541 | l_wall(k,:,:) = l_grid(k) |
---|
| 542 | ENDDO |
---|
| 543 | l_wall(nzt+1,:,:) = l_grid(nzt) |
---|
| 544 | |
---|
| 545 | ALLOCATE ( vertical_influence(nzb:nzt) ) |
---|
| 546 | DO k = 1, nzt |
---|
| 547 | vertical_influence(k) = MIN ( INT( l_grid(k) / & |
---|
[1353] | 548 | ( wall_adjustment_factor * dzw(k) ) + 0.5_wp ), nzt - k ) |
---|
[1] | 549 | ENDDO |
---|
| 550 | |
---|
[1968] | 551 | DO k = 1, nzt |
---|
[1353] | 552 | IF ( l_grid(k) > 1.5_wp * dx * wall_adjustment_factor .OR. & |
---|
| 553 | l_grid(k) > 1.5_wp * dy * wall_adjustment_factor ) THEN |
---|
[254] | 554 | WRITE( message_string, * ) 'grid anisotropy exceeds ', & |
---|
| 555 | 'threshold given by only local', & |
---|
| 556 | ' &horizontal reduction of near_wall ', & |
---|
| 557 | 'mixing length l_wall', & |
---|
| 558 | ' &starting from height level k = ', k, '.' |
---|
| 559 | CALL message( 'init_grid', 'PA0202', 0, 1, 0, 6, 0 ) |
---|
[1] | 560 | EXIT |
---|
| 561 | ENDIF |
---|
| 562 | ENDDO |
---|
| 563 | vertical_influence(0) = vertical_influence(1) |
---|
| 564 | |
---|
[1968] | 565 | DO k = nzb + 1, nzb + vertical_influence(nzb) |
---|
| 566 | l_wall(k,:,:) = zu(k) - zw(nzb) |
---|
[1] | 567 | ENDDO |
---|
| 568 | |
---|
| 569 | ! |
---|
| 570 | !-- Set outer and inner index arrays for non-flat topography. |
---|
| 571 | !-- Here consistency checks concerning domain size and periodicity are |
---|
| 572 | !-- necessary. |
---|
| 573 | !-- Within this SELECT CASE structure only nzb_local is initialized |
---|
| 574 | !-- individually depending on the chosen topography type, all other index |
---|
| 575 | !-- arrays are initialized further below. |
---|
| 576 | SELECT CASE ( TRIM( topography ) ) |
---|
| 577 | |
---|
| 578 | CASE ( 'flat' ) |
---|
| 579 | ! |
---|
[555] | 580 | !-- nzb_local is required for the multigrid solver |
---|
| 581 | nzb_local = 0 |
---|
[1] | 582 | |
---|
| 583 | CASE ( 'single_building' ) |
---|
| 584 | ! |
---|
| 585 | !-- Single rectangular building, by default centered in the middle of the |
---|
| 586 | !-- total domain |
---|
| 587 | blx = NINT( building_length_x / dx ) |
---|
| 588 | bly = NINT( building_length_y / dy ) |
---|
[2088] | 589 | IF ( .NOT. ocean ) THEN |
---|
| 590 | bh = MINLOC( ABS( zw - building_height ), 1 ) - 1 |
---|
| 591 | ELSE |
---|
| 592 | bh = MINLOC( ABS( zw - zw(0) - building_height ), 1 ) - 1 |
---|
| 593 | ENDIF |
---|
| 594 | |
---|
[1675] | 595 | IF ( ABS( zw(bh ) - building_height ) == & |
---|
| 596 | ABS( zw(bh+1) - building_height ) ) bh = bh + 1 |
---|
[1] | 597 | |
---|
[1322] | 598 | IF ( building_wall_left == 9999999.9_wp ) THEN |
---|
[1] | 599 | building_wall_left = ( nx + 1 - blx ) / 2 * dx |
---|
| 600 | ENDIF |
---|
| 601 | bxl = NINT( building_wall_left / dx ) |
---|
| 602 | bxr = bxl + blx |
---|
| 603 | |
---|
[1322] | 604 | IF ( building_wall_south == 9999999.9_wp ) THEN |
---|
[1] | 605 | building_wall_south = ( ny + 1 - bly ) / 2 * dy |
---|
| 606 | ENDIF |
---|
| 607 | bys = NINT( building_wall_south / dy ) |
---|
| 608 | byn = bys + bly |
---|
| 609 | |
---|
| 610 | ! |
---|
| 611 | !-- Building size has to meet some requirements |
---|
| 612 | IF ( ( bxl < 1 ) .OR. ( bxr > nx-1 ) .OR. ( bxr < bxl+3 ) .OR. & |
---|
| 613 | ( bys < 1 ) .OR. ( byn > ny-1 ) .OR. ( byn < bys+3 ) ) THEN |
---|
[274] | 614 | WRITE( message_string, * ) 'inconsistent building parameters:', & |
---|
| 615 | '& bxl=', bxl, 'bxr=', bxr, 'bys=', bys, & |
---|
| 616 | 'byn=', byn, 'nx=', nx, 'ny=', ny |
---|
[254] | 617 | CALL message( 'init_grid', 'PA0203', 1, 2, 0, 6, 0 ) |
---|
[1] | 618 | ENDIF |
---|
| 619 | |
---|
| 620 | ! |
---|
[1968] | 621 | !-- Define the building. |
---|
[1] | 622 | nzb_local = 0 |
---|
[1968] | 623 | IF ( bxl <= nxr .AND. bxr >= nxl .AND. & |
---|
| 624 | bys <= nyn .AND. byn >= nys ) & |
---|
| 625 | nzb_local(MAX(nys,bys):MIN(nyn,byn),MAX(nxl,bxl):MIN(nxr,bxr)) = bh |
---|
[1] | 626 | |
---|
[1994] | 627 | CALL exchange_horiz_2d_int( nzb_local, nys, nyn, nxl, nxr, nbgp ) |
---|
| 628 | |
---|
[240] | 629 | CASE ( 'single_street_canyon' ) |
---|
| 630 | ! |
---|
| 631 | !-- Single quasi-2D street canyon of infinite length in x or y direction. |
---|
| 632 | !-- The canyon is centered in the other direction by default. |
---|
[1322] | 633 | IF ( canyon_width_x /= 9999999.9_wp ) THEN |
---|
[240] | 634 | ! |
---|
| 635 | !-- Street canyon in y direction |
---|
| 636 | cwx = NINT( canyon_width_x / dx ) |
---|
[1322] | 637 | IF ( canyon_wall_left == 9999999.9_wp ) THEN |
---|
[240] | 638 | canyon_wall_left = ( nx + 1 - cwx ) / 2 * dx |
---|
| 639 | ENDIF |
---|
| 640 | cxl = NINT( canyon_wall_left / dx ) |
---|
| 641 | cxr = cxl + cwx |
---|
| 642 | |
---|
[1322] | 643 | ELSEIF ( canyon_width_y /= 9999999.9_wp ) THEN |
---|
[240] | 644 | ! |
---|
| 645 | !-- Street canyon in x direction |
---|
| 646 | cwy = NINT( canyon_width_y / dy ) |
---|
[1322] | 647 | IF ( canyon_wall_south == 9999999.9_wp ) THEN |
---|
[240] | 648 | canyon_wall_south = ( ny + 1 - cwy ) / 2 * dy |
---|
| 649 | ENDIF |
---|
| 650 | cys = NINT( canyon_wall_south / dy ) |
---|
| 651 | cyn = cys + cwy |
---|
| 652 | |
---|
| 653 | ELSE |
---|
[254] | 654 | |
---|
| 655 | message_string = 'no street canyon width given' |
---|
| 656 | CALL message( 'init_grid', 'PA0204', 1, 2, 0, 6, 0 ) |
---|
| 657 | |
---|
[240] | 658 | ENDIF |
---|
| 659 | |
---|
[2088] | 660 | IF ( .NOT. ocean ) THEN |
---|
| 661 | ch = MINLOC( ABS( zw - canyon_height ), 1 ) - 1 |
---|
| 662 | ELSE |
---|
| 663 | ch = MINLOC( ABS( zw - zw(0) - canyon_height ), 1 ) - 1 |
---|
| 664 | ENDIF |
---|
| 665 | |
---|
[1675] | 666 | IF ( ABS( zw(ch ) - canyon_height ) == & |
---|
| 667 | ABS( zw(ch+1) - canyon_height ) ) ch = ch + 1 |
---|
| 668 | |
---|
[240] | 669 | dp_level_ind_b = ch |
---|
| 670 | ! |
---|
| 671 | !-- Street canyon size has to meet some requirements |
---|
[1322] | 672 | IF ( canyon_width_x /= 9999999.9_wp ) THEN |
---|
[1353] | 673 | IF ( ( cxl < 1 ) .OR. ( cxr > nx-1 ) .OR. ( cwx < 3 ) .OR. & |
---|
[240] | 674 | ( ch < 3 ) ) THEN |
---|
[1353] | 675 | WRITE( message_string, * ) 'inconsistent canyon parameters:', & |
---|
| 676 | '&cxl=', cxl, 'cxr=', cxr, & |
---|
| 677 | 'cwx=', cwx, & |
---|
[254] | 678 | 'ch=', ch, 'nx=', nx, 'ny=', ny |
---|
| 679 | CALL message( 'init_grid', 'PA0205', 1, 2, 0, 6, 0 ) |
---|
[240] | 680 | ENDIF |
---|
[1322] | 681 | ELSEIF ( canyon_width_y /= 9999999.9_wp ) THEN |
---|
[1353] | 682 | IF ( ( cys < 1 ) .OR. ( cyn > ny-1 ) .OR. ( cwy < 3 ) .OR. & |
---|
[240] | 683 | ( ch < 3 ) ) THEN |
---|
[1353] | 684 | WRITE( message_string, * ) 'inconsistent canyon parameters:', & |
---|
| 685 | '&cys=', cys, 'cyn=', cyn, & |
---|
| 686 | 'cwy=', cwy, & |
---|
[254] | 687 | 'ch=', ch, 'nx=', nx, 'ny=', ny |
---|
| 688 | CALL message( 'init_grid', 'PA0206', 1, 2, 0, 6, 0 ) |
---|
[240] | 689 | ENDIF |
---|
| 690 | ENDIF |
---|
[1353] | 691 | IF ( canyon_width_x /= 9999999.9_wp .AND. & |
---|
| 692 | canyon_width_y /= 9999999.9_wp ) THEN |
---|
| 693 | message_string = 'inconsistent canyon parameters:' // & |
---|
| 694 | '&street canyon can only be oriented' // & |
---|
[254] | 695 | '&either in x- or in y-direction' |
---|
| 696 | CALL message( 'init_grid', 'PA0207', 1, 2, 0, 6, 0 ) |
---|
[240] | 697 | ENDIF |
---|
| 698 | |
---|
| 699 | nzb_local = ch |
---|
[1322] | 700 | IF ( canyon_width_x /= 9999999.9_wp ) THEN |
---|
[1968] | 701 | IF ( cxl <= nxr .AND. cxr >= nxl ) & |
---|
| 702 | nzb_local(:,MAX(nxl,cxl+1):MIN(nxr,cxr-1)) = 0 |
---|
[1322] | 703 | ELSEIF ( canyon_width_y /= 9999999.9_wp ) THEN |
---|
[1968] | 704 | IF ( cys <= nyn .AND. cyn >= nys ) & |
---|
| 705 | nzb_local(MAX(nys,cys+1):MIN(nyn,cyn-1),:) = 0 |
---|
[240] | 706 | ENDIF |
---|
| 707 | |
---|
[1994] | 708 | CALL exchange_horiz_2d_int( nzb_local, nys, nyn, nxl, nxr, nbgp ) |
---|
| 709 | |
---|
[1] | 710 | CASE ( 'read_from_file' ) |
---|
[759] | 711 | |
---|
[1968] | 712 | ALLOCATE ( topo_height(nys:nyn,nxl:nxr) ) |
---|
[818] | 713 | |
---|
[759] | 714 | DO ii = 0, io_blocks-1 |
---|
| 715 | IF ( ii == io_group ) THEN |
---|
| 716 | |
---|
[1] | 717 | ! |
---|
[759] | 718 | !-- Arbitrary irregular topography data in PALM format (exactly |
---|
| 719 | !-- matching the grid size and total domain size) |
---|
[1779] | 720 | OPEN( 90, FILE='TOPOGRAPHY_DATA'//TRIM( coupling_char ), & |
---|
| 721 | STATUS='OLD', FORM='FORMATTED', ERR=10 ) |
---|
[1968] | 722 | ! |
---|
| 723 | !-- Read topography PE-wise. Rows are read from nyn to nys, columns |
---|
| 724 | !-- are read from nxl to nxr. At first, ny-nyn rows need to be skipped. |
---|
| 725 | skip_n_rows = 0 |
---|
| 726 | DO WHILE ( skip_n_rows < ny - nyn ) |
---|
| 727 | READ( 90, * ) |
---|
| 728 | skip_n_rows = skip_n_rows + 1 |
---|
[759] | 729 | ENDDO |
---|
[1968] | 730 | ! |
---|
| 731 | !-- Read data from nyn to nys and nxl to nxr. Therefore, skip |
---|
| 732 | !-- column until nxl-1 is reached |
---|
| 733 | DO j = nyn, nys, -1 |
---|
| 734 | READ( 90, *, ERR=11, END=11 ) & |
---|
| 735 | ( dum, i = 0, nxl-1 ), & |
---|
| 736 | ( topo_height(j,i), i = nxl, nxr ) |
---|
| 737 | ENDDO |
---|
[759] | 738 | |
---|
| 739 | GOTO 12 |
---|
| 740 | |
---|
[1779] | 741 | 10 message_string = 'file TOPOGRAPHY'//TRIM( coupling_char )// & |
---|
| 742 | ' does not exist' |
---|
[759] | 743 | CALL message( 'init_grid', 'PA0208', 1, 2, 0, 6, 0 ) |
---|
| 744 | |
---|
[1779] | 745 | 11 message_string = 'errors in file TOPOGRAPHY_DATA'// & |
---|
| 746 | TRIM( coupling_char ) |
---|
[759] | 747 | CALL message( 'init_grid', 'PA0209', 1, 2, 0, 6, 0 ) |
---|
| 748 | |
---|
| 749 | 12 CLOSE( 90 ) |
---|
| 750 | |
---|
| 751 | ENDIF |
---|
[1804] | 752 | #if defined( __parallel ) |
---|
[759] | 753 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 754 | #endif |
---|
[559] | 755 | ENDDO |
---|
[759] | 756 | |
---|
[1] | 757 | ! |
---|
| 758 | !-- Calculate the index height of the topography |
---|
[1968] | 759 | nzb_local = 0 |
---|
| 760 | DO i = nxl, nxr |
---|
| 761 | DO j = nys, nyn |
---|
[2128] | 762 | IF ( .NOT. ocean ) THEN |
---|
| 763 | nzb_local(j,i) = MINLOC( ABS( zw - topo_height(j,i) ), 1 ) - 1 |
---|
| 764 | IF ( ABS( zw(nzb_local(j,i) ) - topo_height(j,i) ) == & |
---|
| 765 | ABS( zw(nzb_local(j,i)+1) - topo_height(j,i) ) ) & |
---|
| 766 | nzb_local(j,i) = nzb_local(j,i) + 1 |
---|
| 767 | ELSE |
---|
| 768 | nzb_local(j,i) = MINLOC( ABS( zw - zw(0) & |
---|
| 769 | - topo_height(j,i) ), 1 ) - 1 |
---|
| 770 | IF ( ABS( zw(nzb_local(j,i) ) - zw(0) & |
---|
| 771 | - topo_height(j,i) ) == & |
---|
| 772 | ABS( zw(nzb_local(j,i)+1) - zw(0) & |
---|
| 773 | - topo_height(j,i) ) ) & |
---|
| 774 | nzb_local(j,i) = nzb_local(j,i) + 1 |
---|
| 775 | ENDIF |
---|
| 776 | |
---|
[1] | 777 | ENDDO |
---|
| 778 | ENDDO |
---|
[818] | 779 | |
---|
| 780 | DEALLOCATE ( topo_height ) |
---|
[1942] | 781 | ! |
---|
| 782 | !-- Filter topography, i.e. fill holes resolved by only one grid point. |
---|
| 783 | !-- Such holes are suspected to lead to velocity blow-ups as continuity |
---|
| 784 | !-- equation on discrete grid cannot be fulfilled in such case. |
---|
| 785 | !-- For now, check only for holes and fill them to the lowest height level |
---|
| 786 | !-- of the directly adjoining grid points along x- and y- direction. |
---|
| 787 | !-- Before checking for holes, set lateral boundary conditions for |
---|
| 788 | !-- topography. After hole-filling, boundary conditions must be set again! |
---|
[1968] | 789 | CALL exchange_horiz_2d_int( nzb_local, nys, nyn, nxl, nxr, nbgp ) |
---|
| 790 | |
---|
| 791 | IF ( .NOT. bc_ns_cyc ) THEN |
---|
| 792 | IF ( nys == 0 ) nzb_local(-1,:) = nzb_local(0,:) |
---|
| 793 | IF ( nyn == ny ) nzb_local(ny+1,:) = nzb_local(ny,:) |
---|
[1942] | 794 | ENDIF |
---|
[1910] | 795 | |
---|
[1968] | 796 | IF ( .NOT. bc_lr_cyc ) THEN |
---|
| 797 | IF ( nxl == 0 ) nzb_local(:,-1) = nzb_local(:,0) |
---|
| 798 | IF ( nxr == nx ) nzb_local(:,nx+1) = nzb_local(:,nx) |
---|
[1942] | 799 | ENDIF |
---|
| 800 | |
---|
[1968] | 801 | num_hole_l = 0 |
---|
| 802 | DO i = nxl, nxr |
---|
| 803 | DO j = nys, nyn |
---|
[1942] | 804 | |
---|
| 805 | num_wall = 0 |
---|
| 806 | |
---|
| 807 | IF ( nzb_local(j-1,i) > nzb_local(j,i) ) & |
---|
| 808 | num_wall = num_wall + 1 |
---|
| 809 | IF ( nzb_local(j+1,i) > nzb_local(j,i) ) & |
---|
| 810 | num_wall = num_wall + 1 |
---|
| 811 | IF ( nzb_local(j,i-1) > nzb_local(j,i) ) & |
---|
| 812 | num_wall = num_wall + 1 |
---|
| 813 | IF ( nzb_local(j,i+1) > nzb_local(j,i) ) & |
---|
| 814 | num_wall = num_wall + 1 |
---|
| 815 | |
---|
| 816 | IF ( num_wall == 4 ) THEN |
---|
| 817 | nzb_local(j,i) = MIN( nzb_local(j-1,i), nzb_local(j+1,i), & |
---|
| 818 | nzb_local(j,i-1), nzb_local(j,i+1) ) |
---|
[1968] | 819 | num_hole_l = num_hole_l + 1 |
---|
[1942] | 820 | ENDIF |
---|
| 821 | ENDDO |
---|
| 822 | ENDDO |
---|
[114] | 823 | ! |
---|
[1968] | 824 | !-- Count the total number of holes, required for informative message. |
---|
| 825 | #if defined( __parallel ) |
---|
| 826 | CALL MPI_ALLREDUCE( num_hole_l, num_hole, 1, MPI_INTEGER, MPI_SUM, & |
---|
| 827 | comm2d, ierr ) |
---|
| 828 | #else |
---|
| 829 | num_hole = num_hole_l |
---|
| 830 | #endif |
---|
| 831 | ! |
---|
[1942] | 832 | !-- Create an informative message if any hole was removed. |
---|
[1968] | 833 | IF ( num_hole > 0 ) THEN |
---|
[1942] | 834 | WRITE( message_string, * ) num_hole, 'hole(s) resolved by only '//& |
---|
| 835 | 'one grid point were filled' |
---|
| 836 | CALL message( 'init_grid', 'PA0430', 0, 0, 0, 6, 0 ) |
---|
| 837 | ENDIF |
---|
| 838 | ! |
---|
[1968] | 839 | !-- Exchange ghost-points, as well as add cyclic or Neumann boundary |
---|
| 840 | !-- conditions. |
---|
| 841 | CALL exchange_horiz_2d_int( nzb_local, nys, nyn, nxl, nxr, nbgp ) |
---|
| 842 | |
---|
| 843 | IF ( .NOT. bc_ns_cyc ) THEN |
---|
| 844 | IF ( nys == 0 ) nzb_local(-1,:) = nzb_local(0,:) |
---|
| 845 | IF ( nyn == ny ) nzb_local(ny+1,:) = nzb_local(ny,:) |
---|
[1910] | 846 | ENDIF |
---|
[667] | 847 | |
---|
[1968] | 848 | IF ( .NOT. bc_lr_cyc ) THEN |
---|
| 849 | IF ( nxl == 0 ) nzb_local(:,-1) = nzb_local(:,0) |
---|
| 850 | IF ( nxr == nx ) nzb_local(:,nx+1) = nzb_local(:,nx) |
---|
[1910] | 851 | ENDIF |
---|
| 852 | |
---|
[1] | 853 | CASE DEFAULT |
---|
| 854 | ! |
---|
| 855 | !-- The DEFAULT case is reached either if the parameter topography |
---|
[217] | 856 | !-- contains a wrong character string or if the user has defined a special |
---|
[1] | 857 | !-- case in the user interface. There, the subroutine user_init_grid |
---|
| 858 | !-- checks which of these two conditions applies. |
---|
[1968] | 859 | CALL user_init_grid( nzb_local ) |
---|
[1] | 860 | |
---|
| 861 | END SELECT |
---|
| 862 | ! |
---|
[861] | 863 | !-- Determine the maximum level of topography. Furthermore it is used for |
---|
| 864 | !-- steering the degradation of order of the applied advection scheme. |
---|
[978] | 865 | !-- In case of non-cyclic lateral boundaries, the order of the advection |
---|
[1968] | 866 | !-- scheme has to be reduced up to nzt (required at the lateral boundaries). |
---|
| 867 | #if defined( __parallel ) |
---|
| 868 | CALL MPI_ALLREDUCE( MAXVAL( nzb_local ) + 1, nzb_max, 1, MPI_INTEGER, & |
---|
| 869 | MPI_MAX, comm2d, ierr ) |
---|
| 870 | #else |
---|
[1677] | 871 | nzb_max = MAXVAL( nzb_local ) + 1 |
---|
[1968] | 872 | #endif |
---|
[1353] | 873 | IF ( inflow_l .OR. outflow_l .OR. inflow_r .OR. outflow_r .OR. & |
---|
[1762] | 874 | inflow_n .OR. outflow_n .OR. inflow_s .OR. outflow_s .OR. & |
---|
| 875 | nest_domain ) & |
---|
| 876 | THEN |
---|
| 877 | nzb_max = nzt |
---|
[978] | 878 | ENDIF |
---|
| 879 | |
---|
[861] | 880 | ! |
---|
[1] | 881 | !-- Consistency checks and index array initialization are only required for |
---|
[217] | 882 | !-- non-flat topography, also the initialization of topography height arrays |
---|
[49] | 883 | !-- zu_s_inner and zw_w_inner |
---|
[1] | 884 | IF ( TRIM( topography ) /= 'flat' ) THEN |
---|
[1968] | 885 | #if defined( __parallel ) |
---|
| 886 | CALL MPI_ALLREDUCE( MAXVAL( nzb_local ), nzb_local_max, 1, MPI_INTEGER, & |
---|
| 887 | MPI_MAX, comm2d, ierr ) |
---|
[1982] | 888 | CALL MPI_ALLREDUCE( MINVAL( nzb_local ), nzb_local_min, 1, MPI_INTEGER, & |
---|
[1968] | 889 | MPI_MIN, comm2d, ierr ) |
---|
| 890 | #else |
---|
| 891 | nzb_local_max = MAXVAL( nzb_local ) |
---|
| 892 | nzb_local_min = MINVAL( nzb_local ) |
---|
| 893 | #endif |
---|
[1982] | 894 | |
---|
[1] | 895 | ! |
---|
| 896 | !-- Consistency checks |
---|
[1968] | 897 | IF ( nzb_local_min < 0 .OR. nzb_local_max > nz + 1 ) THEN |
---|
[1353] | 898 | WRITE( message_string, * ) 'nzb_local values are outside the', & |
---|
| 899 | 'model domain', & |
---|
[1968] | 900 | '&MINVAL( nzb_local ) = ', nzb_local_min, & |
---|
| 901 | '&MAXVAL( nzb_local ) = ', nzb_local_max |
---|
[254] | 902 | CALL message( 'init_grid', 'PA0210', 1, 2, 0, 6, 0 ) |
---|
[1] | 903 | ENDIF |
---|
| 904 | |
---|
[2169] | 905 | ! |
---|
| 906 | !-- In case of non-flat topography, check whether the convention how to |
---|
| 907 | !-- define the topography grid has been set correctly, or whether the default |
---|
| 908 | !-- is applicable. If this is not possible, abort. |
---|
| 909 | IF ( TRIM( topography_grid_convention ) == ' ' ) THEN |
---|
| 910 | IF ( TRIM( topography ) /= 'single_building' .AND. & |
---|
| 911 | TRIM( topography ) /= 'single_street_canyon' .AND. & |
---|
| 912 | TRIM( topography ) /= 'read_from_file' ) THEN |
---|
| 913 | !-- The default value is not applicable here, because it is only valid |
---|
| 914 | !-- for the two standard cases 'single_building' and 'read_from_file' |
---|
| 915 | !-- defined in init_grid. |
---|
| 916 | WRITE( message_string, * ) & |
---|
| 917 | 'The value for "topography_grid_convention" ', & |
---|
| 918 | 'is not set. Its default value is & only valid for ', & |
---|
| 919 | '"topography" = ''single_building'', ', & |
---|
| 920 | '''single_street_canyon'' & or ''read_from_file''.', & |
---|
| 921 | ' & Choose ''cell_edge'' or ''cell_center''.' |
---|
| 922 | CALL message( 'init_grid', 'PA0239', 1, 2, 0, 6, 0 ) |
---|
| 923 | ELSE |
---|
| 924 | !-- The default value is applicable here. |
---|
| 925 | !-- Set convention according to topography. |
---|
| 926 | IF ( TRIM( topography ) == 'single_building' .OR. & |
---|
| 927 | TRIM( topography ) == 'single_street_canyon' ) THEN |
---|
| 928 | topography_grid_convention = 'cell_edge' |
---|
| 929 | ELSEIF ( TRIM( topography ) == 'read_from_file' ) THEN |
---|
| 930 | topography_grid_convention = 'cell_center' |
---|
| 931 | ENDIF |
---|
| 932 | ENDIF |
---|
| 933 | ELSEIF ( TRIM( topography_grid_convention ) /= 'cell_edge' .AND. & |
---|
| 934 | TRIM( topography_grid_convention ) /= 'cell_center' ) THEN |
---|
| 935 | WRITE( message_string, * ) & |
---|
| 936 | 'The value for "topography_grid_convention" is ', & |
---|
| 937 | 'not recognized. & Choose ''cell_edge'' or ''cell_center''.' |
---|
| 938 | CALL message( 'init_grid', 'PA0240', 1, 2, 0, 6, 0 ) |
---|
| 939 | ENDIF |
---|
| 940 | |
---|
[217] | 941 | IF ( topography_grid_convention == 'cell_edge' ) THEN |
---|
[134] | 942 | ! |
---|
[217] | 943 | !-- The array nzb_local as defined using the 'cell_edge' convention |
---|
| 944 | !-- describes the actual total size of topography which is defined at the |
---|
| 945 | !-- cell edges where u=0 on the topography walls in x-direction and v=0 |
---|
| 946 | !-- on the topography walls in y-direction. However, PALM uses individual |
---|
| 947 | !-- arrays nzb_u|v|w|s_inner|outer that are based on nzb_s_inner. |
---|
| 948 | !-- Therefore, the extent of topography in nzb_local is now reduced by |
---|
| 949 | !-- 1dx at the E topography walls and by 1dy at the N topography walls |
---|
[1968] | 950 | !-- to form the basis for nzb_s_inner. |
---|
| 951 | !-- Note, the reverse memory access (i-j instead of j-i) is absolutely |
---|
| 952 | !-- required at this point. |
---|
| 953 | DO j = nys+1, nyn+1 |
---|
| 954 | DO i = nxl-1, nxr |
---|
[217] | 955 | nzb_local(j,i) = MIN( nzb_local(j,i), nzb_local(j,i+1) ) |
---|
| 956 | ENDDO |
---|
[134] | 957 | ENDDO |
---|
[1968] | 958 | ! |
---|
| 959 | !-- Exchange ghost points |
---|
| 960 | CALL exchange_horiz_2d_int( nzb_local, nys, nyn, nxl, nxr, nbgp ) |
---|
| 961 | |
---|
| 962 | DO i = nxl, nxr+1 |
---|
| 963 | DO j = nys-1, nyn |
---|
[217] | 964 | nzb_local(j,i) = MIN( nzb_local(j,i), nzb_local(j+1,i) ) |
---|
| 965 | ENDDO |
---|
[134] | 966 | ENDDO |
---|
[1968] | 967 | ! |
---|
| 968 | !-- Exchange ghost points |
---|
| 969 | CALL exchange_horiz_2d_int( nzb_local, nys, nyn, nxl, nxr, nbgp ) |
---|
[217] | 970 | ENDIF |
---|
[1] | 971 | ! |
---|
| 972 | !-- Initialize index arrays nzb_s_inner and nzb_w_inner |
---|
[1968] | 973 | nzb_s_inner = nzb_local |
---|
| 974 | nzb_w_inner = nzb_local |
---|
[1] | 975 | |
---|
| 976 | ! |
---|
| 977 | !-- Initialize remaining index arrays: |
---|
| 978 | !-- first pre-initialize them with nzb_s_inner... |
---|
| 979 | nzb_u_inner = nzb_s_inner |
---|
| 980 | nzb_u_outer = nzb_s_inner |
---|
| 981 | nzb_v_inner = nzb_s_inner |
---|
| 982 | nzb_v_outer = nzb_s_inner |
---|
| 983 | nzb_w_outer = nzb_s_inner |
---|
| 984 | nzb_s_outer = nzb_s_inner |
---|
| 985 | |
---|
| 986 | ! |
---|
| 987 | !-- ...then extend pre-initialized arrays in their according directions |
---|
| 988 | !-- based on nzb_local using nzb_tmp as a temporary global index array |
---|
| 989 | |
---|
| 990 | ! |
---|
| 991 | !-- nzb_s_outer: |
---|
| 992 | !-- extend nzb_local east-/westwards first, then north-/southwards |
---|
[1968] | 993 | nzb_tmp = nzb_local |
---|
| 994 | DO j = nys, nyn |
---|
| 995 | DO i = nxl, nxr |
---|
[1353] | 996 | nzb_tmp(j,i) = MAX( nzb_local(j,i-1), nzb_local(j,i), & |
---|
[1] | 997 | nzb_local(j,i+1) ) |
---|
| 998 | ENDDO |
---|
| 999 | ENDDO |
---|
[1968] | 1000 | |
---|
| 1001 | CALL exchange_horiz_2d_int( nzb_tmp, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1002 | |
---|
[1] | 1003 | DO i = nxl, nxr |
---|
| 1004 | DO j = nys, nyn |
---|
[1353] | 1005 | nzb_s_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i), & |
---|
[1] | 1006 | nzb_tmp(j+1,i) ) |
---|
| 1007 | ENDDO |
---|
| 1008 | ! |
---|
| 1009 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 1010 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 1011 | IF ( nys == 0 ) THEN |
---|
| 1012 | j = -1 |
---|
| 1013 | nzb_s_outer(j,i) = MAX( nzb_tmp(j+1,i), nzb_tmp(j,i) ) |
---|
| 1014 | ENDIF |
---|
[1743] | 1015 | IF ( nyn == ny ) THEN |
---|
[1] | 1016 | j = ny + 1 |
---|
| 1017 | nzb_s_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i) ) |
---|
| 1018 | ENDIF |
---|
| 1019 | ENDDO |
---|
| 1020 | ! |
---|
| 1021 | !-- nzb_w_outer: |
---|
| 1022 | !-- identical to nzb_s_outer |
---|
| 1023 | nzb_w_outer = nzb_s_outer |
---|
| 1024 | |
---|
| 1025 | ! |
---|
| 1026 | !-- nzb_u_inner: |
---|
| 1027 | !-- extend nzb_local rightwards only |
---|
[1968] | 1028 | nzb_tmp = nzb_local |
---|
| 1029 | DO j = nys, nyn |
---|
| 1030 | DO i = nxl, nxr |
---|
[1] | 1031 | nzb_tmp(j,i) = MAX( nzb_local(j,i-1), nzb_local(j,i) ) |
---|
| 1032 | ENDDO |
---|
| 1033 | ENDDO |
---|
[1968] | 1034 | |
---|
| 1035 | CALL exchange_horiz_2d_int( nzb_tmp, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1036 | |
---|
| 1037 | nzb_u_inner = nzb_tmp |
---|
[1] | 1038 | ! |
---|
| 1039 | !-- nzb_u_outer: |
---|
| 1040 | !-- extend current nzb_tmp (nzb_u_inner) north-/southwards |
---|
| 1041 | DO i = nxl, nxr |
---|
| 1042 | DO j = nys, nyn |
---|
[1353] | 1043 | nzb_u_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i), & |
---|
[1] | 1044 | nzb_tmp(j+1,i) ) |
---|
| 1045 | ENDDO |
---|
| 1046 | ! |
---|
| 1047 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 1048 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 1049 | IF ( nys == 0 ) THEN |
---|
| 1050 | j = -1 |
---|
| 1051 | nzb_u_outer(j,i) = MAX( nzb_tmp(j+1,i), nzb_tmp(j,i) ) |
---|
| 1052 | ENDIF |
---|
[1743] | 1053 | IF ( nyn == ny ) THEN |
---|
[1] | 1054 | j = ny + 1 |
---|
| 1055 | nzb_u_outer(j,i) = MAX( nzb_tmp(j-1,i), nzb_tmp(j,i) ) |
---|
| 1056 | ENDIF |
---|
| 1057 | ENDDO |
---|
| 1058 | |
---|
| 1059 | ! |
---|
| 1060 | !-- nzb_v_inner: |
---|
| 1061 | !-- extend nzb_local northwards only |
---|
[1968] | 1062 | nzb_tmp = nzb_local |
---|
| 1063 | DO i = nxl, nxr |
---|
| 1064 | DO j = nys, nyn |
---|
[1] | 1065 | nzb_tmp(j,i) = MAX( nzb_local(j-1,i), nzb_local(j,i) ) |
---|
| 1066 | ENDDO |
---|
| 1067 | ENDDO |
---|
[1968] | 1068 | |
---|
| 1069 | CALL exchange_horiz_2d_int( nzb_tmp, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1070 | nzb_v_inner = nzb_tmp |
---|
[1] | 1071 | |
---|
| 1072 | ! |
---|
| 1073 | !-- nzb_v_outer: |
---|
| 1074 | !-- extend current nzb_tmp (nzb_v_inner) right-/leftwards |
---|
| 1075 | DO j = nys, nyn |
---|
| 1076 | DO i = nxl, nxr |
---|
[1353] | 1077 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i-1), nzb_tmp(j,i), & |
---|
[1] | 1078 | nzb_tmp(j,i+1) ) |
---|
| 1079 | ENDDO |
---|
| 1080 | ! |
---|
| 1081 | !-- non-cyclic boundary conditions (overwritten by call of |
---|
| 1082 | !-- exchange_horiz_2d_int below in case of cyclic boundary conditions) |
---|
| 1083 | IF ( nxl == 0 ) THEN |
---|
| 1084 | i = -1 |
---|
| 1085 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i+1), nzb_tmp(j,i) ) |
---|
| 1086 | ENDIF |
---|
| 1087 | IF ( nxr == nx ) THEN |
---|
| 1088 | i = nx + 1 |
---|
| 1089 | nzb_v_outer(j,i) = MAX( nzb_tmp(j,i-1), nzb_tmp(j,i) ) |
---|
| 1090 | ENDIF |
---|
| 1091 | ENDDO |
---|
[1804] | 1092 | |
---|
[1] | 1093 | ! |
---|
| 1094 | !-- Exchange of lateral boundary values (parallel computers) and cyclic |
---|
| 1095 | !-- boundary conditions, if applicable. |
---|
| 1096 | !-- Since nzb_s_inner and nzb_w_inner are derived directly from nzb_local |
---|
| 1097 | !-- they do not require exchange and are not included here. |
---|
[1968] | 1098 | CALL exchange_horiz_2d_int( nzb_u_inner, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1099 | CALL exchange_horiz_2d_int( nzb_u_outer, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1100 | CALL exchange_horiz_2d_int( nzb_v_inner, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1101 | CALL exchange_horiz_2d_int( nzb_v_outer, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1102 | CALL exchange_horiz_2d_int( nzb_w_outer, nys, nyn, nxl, nxr, nbgp ) |
---|
| 1103 | CALL exchange_horiz_2d_int( nzb_s_outer, nys, nyn, nxl, nxr, nbgp ) |
---|
[1] | 1104 | |
---|
[49] | 1105 | ! |
---|
| 1106 | !-- Allocate and set the arrays containing the topography height |
---|
[1968] | 1107 | ALLOCATE( zu_s_inner(0:nx+1,0:ny+1), zw_w_inner(0:nx+1,0:ny+1), & |
---|
| 1108 | zu_s_inner_l(0:nx+1,0:ny+1), zw_w_inner_l(0:nx+1,0:ny+1) ) |
---|
| 1109 | |
---|
| 1110 | zu_s_inner = 0.0_wp |
---|
| 1111 | zw_w_inner = 0.0_wp |
---|
| 1112 | zu_s_inner_l = 0.0_wp |
---|
| 1113 | zw_w_inner_l = 0.0_wp |
---|
| 1114 | |
---|
| 1115 | DO i = nxl, nxr |
---|
| 1116 | DO j = nys, nyn |
---|
| 1117 | zu_s_inner_l(i,j) = zu(nzb_local(j,i)) |
---|
| 1118 | zw_w_inner_l(i,j) = zw(nzb_local(j,i)) |
---|
| 1119 | ENDDO |
---|
| 1120 | ENDDO |
---|
| 1121 | |
---|
| 1122 | #if defined( __parallel ) |
---|
| 1123 | CALL MPI_REDUCE( zu_s_inner_l, zu_s_inner, (nx+2)*(ny+2), & |
---|
| 1124 | MPI_REAL, MPI_SUM, 0, comm2d, ierr ) |
---|
| 1125 | CALL MPI_REDUCE( zw_w_inner_l, zw_w_inner, (nx+2)*(ny+2), & |
---|
| 1126 | MPI_REAL, MPI_SUM, 0, comm2d, ierr ) |
---|
| 1127 | #else |
---|
| 1128 | zu_s_inner = zu_s_inner_l |
---|
| 1129 | zw_w_inner = zw_w_inner_l |
---|
| 1130 | #endif |
---|
[49] | 1131 | |
---|
[1968] | 1132 | DEALLOCATE( zu_s_inner_l, zw_w_inner_l ) |
---|
| 1133 | IF ( myid /= 0 ) DEALLOCATE( zu_s_inner, zw_w_inner ) |
---|
[1221] | 1134 | ! |
---|
[1968] | 1135 | !-- Set south and left ghost points, required for netcdf output |
---|
| 1136 | IF ( myid == 0 ) THEN |
---|
| 1137 | IF( bc_lr_cyc ) THEN |
---|
| 1138 | zu_s_inner(nx+1,:) = zu_s_inner(0,:) |
---|
| 1139 | zw_w_inner(nx+1,:) = zw_w_inner(0,:) |
---|
| 1140 | ELSE |
---|
| 1141 | zu_s_inner(nx+1,:) = zu_s_inner(nx,:) |
---|
| 1142 | zw_w_inner(nx+1,:) = zw_w_inner(nx,:) |
---|
| 1143 | ENDIF |
---|
| 1144 | IF( bc_ns_cyc ) THEN |
---|
| 1145 | zu_s_inner(:,ny+1) = zu_s_inner(:,0) |
---|
| 1146 | zw_w_inner(:,ny+1) = zw_w_inner(:,0) |
---|
| 1147 | ELSE |
---|
| 1148 | zu_s_inner(:,ny+1) = zu_s_inner(:,ny) |
---|
| 1149 | zw_w_inner(:,ny+1) = zw_w_inner(:,ny) |
---|
| 1150 | ENDIF |
---|
| 1151 | ENDIF |
---|
| 1152 | ! |
---|
[1221] | 1153 | !-- Set flag arrays to be used for masking of grid points |
---|
| 1154 | DO i = nxlg, nxrg |
---|
| 1155 | DO j = nysg, nyng |
---|
| 1156 | DO k = nzb, nzt+1 |
---|
[1353] | 1157 | IF ( k <= nzb_s_inner(j,i) ) rflags_s_inner(k,j,i) = 0.0_wp |
---|
| 1158 | IF ( k <= nzb_s_inner(j,i) ) rflags_invers(j,i,k) = 0.0_wp |
---|
[1221] | 1159 | ENDDO |
---|
| 1160 | ENDDO |
---|
| 1161 | ENDDO |
---|
[1804] | 1162 | |
---|
[1] | 1163 | ENDIF |
---|
[1968] | 1164 | ! |
---|
| 1165 | !-- Deallocate temporary array, as it might be reused for different |
---|
| 1166 | !-- grid-levels further below. |
---|
| 1167 | DEALLOCATE( nzb_tmp ) |
---|
[1] | 1168 | |
---|
| 1169 | ! |
---|
| 1170 | !-- Set the individual index arrays which define the k index from which on |
---|
| 1171 | !-- the usual finite difference form (which does not use surface fluxes) is |
---|
| 1172 | !-- applied |
---|
[1691] | 1173 | IF ( constant_flux_layer .OR. use_surface_fluxes ) THEN |
---|
[1] | 1174 | nzb_diff_u = nzb_u_inner + 2 |
---|
| 1175 | nzb_diff_v = nzb_v_inner + 2 |
---|
| 1176 | nzb_diff_s_inner = nzb_s_inner + 2 |
---|
| 1177 | nzb_diff_s_outer = nzb_s_outer + 2 |
---|
| 1178 | ELSE |
---|
| 1179 | nzb_diff_u = nzb_u_inner + 1 |
---|
| 1180 | nzb_diff_v = nzb_v_inner + 1 |
---|
| 1181 | nzb_diff_s_inner = nzb_s_inner + 1 |
---|
| 1182 | nzb_diff_s_outer = nzb_s_outer + 1 |
---|
| 1183 | ENDIF |
---|
| 1184 | |
---|
| 1185 | ! |
---|
| 1186 | !-- Calculation of wall switches and factors required by diffusion_u/v.f90 and |
---|
| 1187 | !-- for limitation of near-wall mixing length l_wall further below |
---|
| 1188 | corner_nl = 0 |
---|
| 1189 | corner_nr = 0 |
---|
| 1190 | corner_sl = 0 |
---|
| 1191 | corner_sr = 0 |
---|
| 1192 | wall_l = 0 |
---|
| 1193 | wall_n = 0 |
---|
| 1194 | wall_r = 0 |
---|
| 1195 | wall_s = 0 |
---|
| 1196 | |
---|
| 1197 | DO i = nxl, nxr |
---|
| 1198 | DO j = nys, nyn |
---|
| 1199 | ! |
---|
| 1200 | !-- u-component |
---|
| 1201 | IF ( nzb_u_outer(j,i) > nzb_u_outer(j+1,i) ) THEN |
---|
[1353] | 1202 | wall_u(j,i) = 1.0_wp ! north wall (location of adjacent fluid) |
---|
| 1203 | fym(j,i) = 0.0_wp |
---|
| 1204 | fyp(j,i) = 1.0_wp |
---|
[1] | 1205 | ELSEIF ( nzb_u_outer(j,i) > nzb_u_outer(j-1,i) ) THEN |
---|
[1353] | 1206 | wall_u(j,i) = 1.0_wp ! south wall (location of adjacent fluid) |
---|
| 1207 | fym(j,i) = 1.0_wp |
---|
| 1208 | fyp(j,i) = 0.0_wp |
---|
[1] | 1209 | ENDIF |
---|
| 1210 | ! |
---|
| 1211 | !-- v-component |
---|
| 1212 | IF ( nzb_v_outer(j,i) > nzb_v_outer(j,i+1) ) THEN |
---|
[1353] | 1213 | wall_v(j,i) = 1.0_wp ! rigth wall (location of adjacent fluid) |
---|
| 1214 | fxm(j,i) = 0.0_wp |
---|
| 1215 | fxp(j,i) = 1.0_wp |
---|
[1] | 1216 | ELSEIF ( nzb_v_outer(j,i) > nzb_v_outer(j,i-1) ) THEN |
---|
[1353] | 1217 | wall_v(j,i) = 1.0_wp ! left wall (location of adjacent fluid) |
---|
| 1218 | fxm(j,i) = 1.0_wp |
---|
| 1219 | fxp(j,i) = 0.0_wp |
---|
[1] | 1220 | ENDIF |
---|
| 1221 | ! |
---|
| 1222 | !-- w-component, also used for scalars, separate arrays for shear |
---|
| 1223 | !-- production of tke |
---|
| 1224 | IF ( nzb_w_outer(j,i) > nzb_w_outer(j+1,i) ) THEN |
---|
[1353] | 1225 | wall_e_y(j,i) = 1.0_wp ! north wall (location of adjacent fluid) |
---|
| 1226 | wall_w_y(j,i) = 1.0_wp |
---|
| 1227 | fwym(j,i) = 0.0_wp |
---|
| 1228 | fwyp(j,i) = 1.0_wp |
---|
[1] | 1229 | ELSEIF ( nzb_w_outer(j,i) > nzb_w_outer(j-1,i) ) THEN |
---|
[1353] | 1230 | wall_e_y(j,i) = -1.0_wp ! south wall (location of adjacent fluid) |
---|
| 1231 | wall_w_y(j,i) = 1.0_wp |
---|
| 1232 | fwym(j,i) = 1.0_wp |
---|
| 1233 | fwyp(j,i) = 0.0_wp |
---|
[1] | 1234 | ENDIF |
---|
| 1235 | IF ( nzb_w_outer(j,i) > nzb_w_outer(j,i+1) ) THEN |
---|
[1353] | 1236 | wall_e_x(j,i) = 1.0_wp ! right wall (location of adjacent fluid) |
---|
| 1237 | wall_w_x(j,i) = 1.0_wp |
---|
| 1238 | fwxm(j,i) = 0.0_wp |
---|
| 1239 | fwxp(j,i) = 1.0_wp |
---|
[1] | 1240 | ELSEIF ( nzb_w_outer(j,i) > nzb_w_outer(j,i-1) ) THEN |
---|
[1353] | 1241 | wall_e_x(j,i) = -1.0_wp ! left wall (location of adjacent fluid) |
---|
| 1242 | wall_w_x(j,i) = 1.0_wp |
---|
| 1243 | fwxm(j,i) = 1.0_wp |
---|
| 1244 | fwxp(j,i) = 0.0_wp |
---|
[1] | 1245 | ENDIF |
---|
| 1246 | ! |
---|
| 1247 | !-- Wall and corner locations inside buildings for limitation of |
---|
| 1248 | !-- near-wall mixing length l_wall |
---|
| 1249 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j+1,i) ) THEN |
---|
| 1250 | |
---|
| 1251 | wall_n(j,i) = nzb_s_inner(j+1,i) + 1 ! North wall |
---|
| 1252 | |
---|
| 1253 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 1254 | corner_nl(j,i) = MAX( nzb_s_inner(j+1,i), & ! Northleft corner |
---|
| 1255 | nzb_s_inner(j,i-1) ) + 1 |
---|
| 1256 | ENDIF |
---|
| 1257 | |
---|
| 1258 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 1259 | corner_nr(j,i) = MAX( nzb_s_inner(j+1,i), & ! Northright corner |
---|
| 1260 | nzb_s_inner(j,i+1) ) + 1 |
---|
| 1261 | ENDIF |
---|
| 1262 | |
---|
| 1263 | ENDIF |
---|
| 1264 | |
---|
| 1265 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j-1,i) ) THEN |
---|
| 1266 | |
---|
| 1267 | wall_s(j,i) = nzb_s_inner(j-1,i) + 1 ! South wall |
---|
| 1268 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 1269 | corner_sl(j,i) = MAX( nzb_s_inner(j-1,i), & ! Southleft corner |
---|
| 1270 | nzb_s_inner(j,i-1) ) + 1 |
---|
| 1271 | ENDIF |
---|
| 1272 | |
---|
| 1273 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 1274 | corner_sr(j,i) = MAX( nzb_s_inner(j-1,i), & ! Southright corner |
---|
| 1275 | nzb_s_inner(j,i+1) ) + 1 |
---|
| 1276 | ENDIF |
---|
| 1277 | |
---|
| 1278 | ENDIF |
---|
| 1279 | |
---|
| 1280 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i-1) ) THEN |
---|
| 1281 | wall_l(j,i) = nzb_s_inner(j,i-1) + 1 ! Left wall |
---|
| 1282 | ENDIF |
---|
| 1283 | |
---|
| 1284 | IF ( nzb_s_inner(j,i) > nzb_s_inner(j,i+1) ) THEN |
---|
| 1285 | wall_r(j,i) = nzb_s_inner(j,i+1) + 1 ! Right wall |
---|
| 1286 | ENDIF |
---|
| 1287 | |
---|
| 1288 | ENDDO |
---|
| 1289 | ENDDO |
---|
| 1290 | ! |
---|
[1931] | 1291 | !-- Calculate wall flag arrays for the multigrid method. |
---|
| 1292 | !-- Please note, wall flags are only applied in the not cache-optimized |
---|
| 1293 | !-- version. |
---|
| 1294 | IF ( psolver == 'multigrid_noopt' ) THEN |
---|
[1968] | 1295 | |
---|
[114] | 1296 | ! |
---|
[1968] | 1297 | !-- Gridpoint increment of the current level. |
---|
[114] | 1298 | inc = 1 |
---|
| 1299 | DO l = maximum_grid_level, 1 , -1 |
---|
[1968] | 1300 | ! |
---|
| 1301 | !-- Set grid_level as it is required for exchange_horiz_2d_int |
---|
| 1302 | grid_level = l |
---|
[114] | 1303 | |
---|
| 1304 | nxl_l = nxl_mg(l) |
---|
| 1305 | nxr_l = nxr_mg(l) |
---|
| 1306 | nys_l = nys_mg(l) |
---|
| 1307 | nyn_l = nyn_mg(l) |
---|
| 1308 | nzt_l = nzt_mg(l) |
---|
| 1309 | ! |
---|
| 1310 | !-- Assign the flag level to be calculated |
---|
| 1311 | SELECT CASE ( l ) |
---|
| 1312 | CASE ( 1 ) |
---|
| 1313 | flags => wall_flags_1 |
---|
| 1314 | CASE ( 2 ) |
---|
| 1315 | flags => wall_flags_2 |
---|
| 1316 | CASE ( 3 ) |
---|
| 1317 | flags => wall_flags_3 |
---|
| 1318 | CASE ( 4 ) |
---|
| 1319 | flags => wall_flags_4 |
---|
| 1320 | CASE ( 5 ) |
---|
| 1321 | flags => wall_flags_5 |
---|
| 1322 | CASE ( 6 ) |
---|
| 1323 | flags => wall_flags_6 |
---|
| 1324 | CASE ( 7 ) |
---|
| 1325 | flags => wall_flags_7 |
---|
| 1326 | CASE ( 8 ) |
---|
| 1327 | flags => wall_flags_8 |
---|
| 1328 | CASE ( 9 ) |
---|
| 1329 | flags => wall_flags_9 |
---|
| 1330 | CASE ( 10 ) |
---|
| 1331 | flags => wall_flags_10 |
---|
| 1332 | END SELECT |
---|
| 1333 | |
---|
| 1334 | ! |
---|
| 1335 | !-- Depending on the grid level, set the respective bits in case of |
---|
| 1336 | !-- neighbouring walls |
---|
| 1337 | !-- Bit 0: wall to the bottom |
---|
| 1338 | !-- Bit 1: wall to the top (not realized in remaining PALM code so far) |
---|
| 1339 | !-- Bit 2: wall to the south |
---|
| 1340 | !-- Bit 3: wall to the north |
---|
| 1341 | !-- Bit 4: wall to the left |
---|
| 1342 | !-- Bit 5: wall to the right |
---|
[116] | 1343 | !-- Bit 6: inside building |
---|
[114] | 1344 | |
---|
| 1345 | flags = 0 |
---|
| 1346 | |
---|
[927] | 1347 | ! |
---|
| 1348 | !-- In case of masking method, flags are not set and multigrid method |
---|
| 1349 | !-- works like FFT-solver |
---|
[1931] | 1350 | IF ( .NOT. masking_method ) THEN |
---|
[927] | 1351 | |
---|
[1968] | 1352 | ! |
---|
| 1353 | !-- Allocate temporary array for topography heights on coarser grid |
---|
| 1354 | !-- level. Please note, 2 ghoist points are required, in order to |
---|
| 1355 | !-- calculate flags() on the interior ghost point. |
---|
| 1356 | ALLOCATE( nzb_tmp(nys_l-2:nyn_l+2,nxl_l-2:nxr_l+2) ) |
---|
| 1357 | nzb_tmp = 0 |
---|
| 1358 | |
---|
| 1359 | DO i = nxl_l, nxr_l |
---|
| 1360 | DO j = nys_l, nyn_l |
---|
| 1361 | nzb_tmp(j,i) = nzb_local(j*inc,i*inc) |
---|
| 1362 | ENDDO |
---|
| 1363 | ENDDO |
---|
| 1364 | ! |
---|
| 1365 | !-- Exchange ghost points on respective multigrid level. 2 ghost points |
---|
| 1366 | !-- are required, in order to calculate flags on |
---|
| 1367 | !-- nys_l-1 / nyn_l+1 / nxl_l-1 / nxr_l+1. The alternative would be to |
---|
| 1368 | !-- exchange 3D-INTEGER array flags on the respective multigrid level. |
---|
| 1369 | CALL exchange_horiz_2d_int( nzb_tmp, nys_l, nyn_l, nxl_l, nxr_l, 2 ) |
---|
| 1370 | ! |
---|
| 1371 | !-- Set non-cyclic boundary conditions on respective multigrid level |
---|
| 1372 | IF ( .NOT. bc_ns_cyc ) THEN |
---|
[2021] | 1373 | IF ( inflow_s .OR. outflow_s .OR. nest_bound_s ) THEN |
---|
[1968] | 1374 | nzb_tmp(-2,:) = nzb_tmp(0,:) |
---|
| 1375 | nzb_tmp(-1,:) = nzb_tmp(0,:) |
---|
| 1376 | ENDIF |
---|
[2021] | 1377 | IF ( inflow_n .OR. outflow_n .OR. nest_bound_n ) THEN |
---|
| 1378 | nzb_tmp(nyn_l+2,:) = nzb_tmp(nyn_l,:) |
---|
| 1379 | nzb_tmp(nyn_l+1,:) = nzb_tmp(nyn_l,:) |
---|
[1968] | 1380 | ENDIF |
---|
| 1381 | ENDIF |
---|
| 1382 | IF ( .NOT. bc_lr_cyc ) THEN |
---|
[2021] | 1383 | IF ( inflow_l .OR. outflow_l .OR. nest_bound_l ) THEN |
---|
[1968] | 1384 | nzb_tmp(:,-2) = nzb_tmp(:,0) |
---|
| 1385 | nzb_tmp(:,-1) = nzb_tmp(:,0) |
---|
| 1386 | ENDIF |
---|
[2021] | 1387 | IF ( inflow_r .OR. outflow_r .OR. nest_bound_r ) THEN |
---|
| 1388 | nzb_tmp(:,nxr_l+1) = nzb_tmp(:,nxr_l) |
---|
| 1389 | nzb_tmp(:,nxr_l+2) = nzb_tmp(:,nxr_l) |
---|
[1968] | 1390 | ENDIF |
---|
| 1391 | ENDIF |
---|
| 1392 | |
---|
[927] | 1393 | DO i = nxl_l-1, nxr_l+1 |
---|
| 1394 | DO j = nys_l-1, nyn_l+1 |
---|
[1968] | 1395 | DO k = nzb, nzt_l+1 |
---|
[114] | 1396 | ! |
---|
[927] | 1397 | !-- Inside/outside building (inside building does not need |
---|
| 1398 | !-- further tests for walls) |
---|
[1968] | 1399 | IF ( k*inc <= nzb_tmp(j,i) ) THEN |
---|
[114] | 1400 | |
---|
[927] | 1401 | flags(k,j,i) = IBSET( flags(k,j,i), 6 ) |
---|
[114] | 1402 | |
---|
[927] | 1403 | ELSE |
---|
[114] | 1404 | ! |
---|
[927] | 1405 | !-- Bottom wall |
---|
[1968] | 1406 | IF ( (k-1)*inc <= nzb_tmp(j,i) ) THEN |
---|
[927] | 1407 | flags(k,j,i) = IBSET( flags(k,j,i), 0 ) |
---|
| 1408 | ENDIF |
---|
[114] | 1409 | ! |
---|
[927] | 1410 | !-- South wall |
---|
[1968] | 1411 | IF ( k*inc <= nzb_tmp(j-1,i) ) THEN |
---|
[927] | 1412 | flags(k,j,i) = IBSET( flags(k,j,i), 2 ) |
---|
| 1413 | ENDIF |
---|
[114] | 1414 | ! |
---|
[927] | 1415 | !-- North wall |
---|
[1968] | 1416 | IF ( k*inc <= nzb_tmp(j+1,i) ) THEN |
---|
[927] | 1417 | flags(k,j,i) = IBSET( flags(k,j,i), 3 ) |
---|
| 1418 | ENDIF |
---|
[114] | 1419 | ! |
---|
[927] | 1420 | !-- Left wall |
---|
[1968] | 1421 | IF ( k*inc <= nzb_tmp(j,i-1) ) THEN |
---|
[927] | 1422 | flags(k,j,i) = IBSET( flags(k,j,i), 4 ) |
---|
| 1423 | ENDIF |
---|
[114] | 1424 | ! |
---|
[927] | 1425 | !-- Right wall |
---|
[1968] | 1426 | IF ( k*inc <= nzb_tmp(j,i+1) ) THEN |
---|
[927] | 1427 | flags(k,j,i) = IBSET( flags(k,j,i), 5 ) |
---|
| 1428 | ENDIF |
---|
| 1429 | |
---|
[114] | 1430 | ENDIF |
---|
| 1431 | |
---|
[927] | 1432 | ENDDO |
---|
[114] | 1433 | ENDDO |
---|
| 1434 | ENDDO |
---|
| 1435 | |
---|
[1968] | 1436 | DEALLOCATE( nzb_tmp ) |
---|
| 1437 | |
---|
[927] | 1438 | ENDIF |
---|
| 1439 | |
---|
[114] | 1440 | inc = inc * 2 |
---|
| 1441 | |
---|
| 1442 | ENDDO |
---|
[1968] | 1443 | ! |
---|
| 1444 | !-- Reset grid_level to "normal" grid |
---|
| 1445 | grid_level = 0 |
---|
| 1446 | |
---|
[114] | 1447 | ENDIF |
---|
[861] | 1448 | ! |
---|
[1942] | 1449 | !-- Allocate flags needed for masking walls. Even though these flags are only |
---|
[2021] | 1450 | !-- required in the ws-scheme, the arrays need to be allocated here as they are |
---|
[1942] | 1451 | !-- used in OpenACC directives. |
---|
[1677] | 1452 | ALLOCATE( wall_flags_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
| 1453 | wall_flags_00(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
[1221] | 1454 | wall_flags_0 = 0 |
---|
| 1455 | wall_flags_00 = 0 |
---|
[114] | 1456 | ! |
---|
[2021] | 1457 | !-- Init flags for ws-scheme to degrade order of the numerics near walls, i.e. |
---|
| 1458 | !-- to decrease the numerical stencil appropriately. |
---|
[2200] | 1459 | IF ( momentum_advec == 'ws-scheme' .OR. scalar_advec == 'ws-scheme' & |
---|
| 1460 | ) THEN |
---|
[1942] | 1461 | CALL ws_init_flags |
---|
[861] | 1462 | ENDIF |
---|
| 1463 | |
---|
| 1464 | ! |
---|
[1] | 1465 | !-- In case of topography: limit near-wall mixing length l_wall further: |
---|
| 1466 | !-- Go through all points of the subdomain one by one and look for the closest |
---|
| 1467 | !-- surface |
---|
| 1468 | IF ( TRIM(topography) /= 'flat' ) THEN |
---|
| 1469 | DO i = nxl, nxr |
---|
| 1470 | DO j = nys, nyn |
---|
| 1471 | |
---|
| 1472 | nzb_si = nzb_s_inner(j,i) |
---|
| 1473 | vi = vertical_influence(nzb_si) |
---|
| 1474 | |
---|
| 1475 | IF ( wall_n(j,i) > 0 ) THEN |
---|
| 1476 | ! |
---|
| 1477 | !-- North wall (y distance) |
---|
| 1478 | DO k = wall_n(j,i), nzb_si |
---|
[1353] | 1479 | l_wall(k,j+1,i) = MIN( l_wall(k,j+1,i), 0.5_wp * dy ) |
---|
[1] | 1480 | ENDDO |
---|
| 1481 | ! |
---|
| 1482 | !-- Above North wall (yz distance) |
---|
| 1483 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1484 | l_wall(k,j+1,i) = MIN( l_wall(k,j+1,i), & |
---|
| 1485 | SQRT( 0.25_wp * dy**2 + & |
---|
[1] | 1486 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1487 | ENDDO |
---|
| 1488 | ! |
---|
| 1489 | !-- Northleft corner (xy distance) |
---|
| 1490 | IF ( corner_nl(j,i) > 0 ) THEN |
---|
| 1491 | DO k = corner_nl(j,i), nzb_si |
---|
| 1492 | l_wall(k,j+1,i-1) = MIN( l_wall(k,j+1,i-1), & |
---|
[1353] | 1493 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1494 | ENDDO |
---|
| 1495 | ! |
---|
| 1496 | !-- Above Northleft corner (xyz distance) |
---|
| 1497 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1498 | l_wall(k,j+1,i-1) = MIN( l_wall(k,j+1,i-1), & |
---|
| 1499 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1500 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1501 | ENDDO |
---|
| 1502 | ENDIF |
---|
| 1503 | ! |
---|
| 1504 | !-- Northright corner (xy distance) |
---|
| 1505 | IF ( corner_nr(j,i) > 0 ) THEN |
---|
| 1506 | DO k = corner_nr(j,i), nzb_si |
---|
[1353] | 1507 | l_wall(k,j+1,i+1) = MIN( l_wall(k,j+1,i+1), & |
---|
| 1508 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1509 | ENDDO |
---|
| 1510 | ! |
---|
| 1511 | !-- Above northright corner (xyz distance) |
---|
| 1512 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1513 | l_wall(k,j+1,i+1) = MIN( l_wall(k,j+1,i+1), & |
---|
| 1514 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1515 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1516 | ENDDO |
---|
| 1517 | ENDIF |
---|
| 1518 | ENDIF |
---|
| 1519 | |
---|
| 1520 | IF ( wall_s(j,i) > 0 ) THEN |
---|
| 1521 | ! |
---|
| 1522 | !-- South wall (y distance) |
---|
| 1523 | DO k = wall_s(j,i), nzb_si |
---|
[1353] | 1524 | l_wall(k,j-1,i) = MIN( l_wall(k,j-1,i), 0.5_wp * dy ) |
---|
[1] | 1525 | ENDDO |
---|
| 1526 | ! |
---|
| 1527 | !-- Above south wall (yz distance) |
---|
[1353] | 1528 | DO k = nzb_si + 1, nzb_si + vi |
---|
| 1529 | l_wall(k,j-1,i) = MIN( l_wall(k,j-1,i), & |
---|
| 1530 | SQRT( 0.25_wp * dy**2 + & |
---|
[1] | 1531 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1532 | ENDDO |
---|
| 1533 | ! |
---|
| 1534 | !-- Southleft corner (xy distance) |
---|
| 1535 | IF ( corner_sl(j,i) > 0 ) THEN |
---|
| 1536 | DO k = corner_sl(j,i), nzb_si |
---|
[1353] | 1537 | l_wall(k,j-1,i-1) = MIN( l_wall(k,j-1,i-1), & |
---|
| 1538 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1539 | ENDDO |
---|
| 1540 | ! |
---|
| 1541 | !-- Above southleft corner (xyz distance) |
---|
| 1542 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1543 | l_wall(k,j-1,i-1) = MIN( l_wall(k,j-1,i-1), & |
---|
| 1544 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1545 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1546 | ENDDO |
---|
| 1547 | ENDIF |
---|
| 1548 | ! |
---|
| 1549 | !-- Southright corner (xy distance) |
---|
| 1550 | IF ( corner_sr(j,i) > 0 ) THEN |
---|
| 1551 | DO k = corner_sr(j,i), nzb_si |
---|
[1353] | 1552 | l_wall(k,j-1,i+1) = MIN( l_wall(k,j-1,i+1), & |
---|
| 1553 | 0.5_wp * SQRT( dx**2 + dy**2 ) ) |
---|
[1] | 1554 | ENDDO |
---|
| 1555 | ! |
---|
| 1556 | !-- Above southright corner (xyz distance) |
---|
| 1557 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1558 | l_wall(k,j-1,i+1) = MIN( l_wall(k,j-1,i+1), & |
---|
| 1559 | SQRT( 0.25_wp * (dx**2 + dy**2) + & |
---|
| 1560 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1561 | ENDDO |
---|
| 1562 | ENDIF |
---|
| 1563 | |
---|
| 1564 | ENDIF |
---|
| 1565 | |
---|
| 1566 | IF ( wall_l(j,i) > 0 ) THEN |
---|
| 1567 | ! |
---|
| 1568 | !-- Left wall (x distance) |
---|
| 1569 | DO k = wall_l(j,i), nzb_si |
---|
[1353] | 1570 | l_wall(k,j,i-1) = MIN( l_wall(k,j,i-1), 0.5_wp * dx ) |
---|
[1] | 1571 | ENDDO |
---|
| 1572 | ! |
---|
| 1573 | !-- Above left wall (xz distance) |
---|
| 1574 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1575 | l_wall(k,j,i-1) = MIN( l_wall(k,j,i-1), & |
---|
| 1576 | SQRT( 0.25_wp * dx**2 + & |
---|
| 1577 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
[1] | 1578 | ENDDO |
---|
| 1579 | ENDIF |
---|
| 1580 | |
---|
| 1581 | IF ( wall_r(j,i) > 0 ) THEN |
---|
| 1582 | ! |
---|
| 1583 | !-- Right wall (x distance) |
---|
| 1584 | DO k = wall_r(j,i), nzb_si |
---|
[1353] | 1585 | l_wall(k,j,i+1) = MIN( l_wall(k,j,i+1), 0.5_wp * dx ) |
---|
[1] | 1586 | ENDDO |
---|
| 1587 | ! |
---|
| 1588 | !-- Above right wall (xz distance) |
---|
| 1589 | DO k = nzb_si + 1, nzb_si + vi |
---|
[1353] | 1590 | l_wall(k,j,i+1) = MIN( l_wall(k,j,i+1), & |
---|
| 1591 | SQRT( 0.25_wp * dx**2 + & |
---|
[1] | 1592 | ( zu(k) - zw(nzb_si) )**2 ) ) |
---|
| 1593 | ENDDO |
---|
| 1594 | |
---|
| 1595 | ENDIF |
---|
| 1596 | |
---|
| 1597 | ENDDO |
---|
| 1598 | ENDDO |
---|
| 1599 | |
---|
| 1600 | ENDIF |
---|
| 1601 | |
---|
| 1602 | ! |
---|
| 1603 | !-- Multiplication with wall_adjustment_factor |
---|
| 1604 | l_wall = wall_adjustment_factor * l_wall |
---|
| 1605 | |
---|
| 1606 | ! |
---|
[709] | 1607 | !-- Set lateral boundary conditions for l_wall |
---|
[667] | 1608 | CALL exchange_horiz( l_wall, nbgp ) |
---|
| 1609 | |
---|
[1] | 1610 | DEALLOCATE( corner_nl, corner_nr, corner_sl, corner_sr, nzb_local, & |
---|
[1968] | 1611 | vertical_influence, wall_l, wall_n, wall_r, wall_s ) |
---|
[1] | 1612 | |
---|
| 1613 | |
---|
| 1614 | END SUBROUTINE init_grid |
---|