| 1 | !> @file nudging_mod.f90 |
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| 2 | !------------------------------------------------------------------------------! |
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| 3 | ! This file is part of PALM. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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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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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2017 Leibniz Universitaet Hannover |
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| 18 | !------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ------------------ |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: nudging_mod.f90 2271 2017-06-09 12:34:55Z sward $ |
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| 27 | ! Error message changed |
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| 28 | ! |
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| 29 | ! 2233 2017-05-30 18:08:54Z suehring |
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| 30 | ! |
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| 31 | ! 2232 2017-05-30 17:47:52Z suehring |
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| 32 | ! Adjustments to new topography concept |
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| 33 | ! |
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| 34 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 35 | ! Forced header and separation lines into 80 columns |
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| 36 | ! |
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| 37 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 38 | ! Module renamed |
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| 39 | ! |
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| 40 | ! |
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| 41 | ! 1757 2016-02-22 15:49:32Z maronga |
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| 42 | ! Bugfix: allow for using higher vertical resolution in nudging file than grid |
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| 43 | ! spacing in the LES model |
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| 44 | ! |
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| 45 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 46 | ! Code annotations made doxygen readable |
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| 47 | ! |
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| 48 | ! 1398 2014-05-07 11:15:00Z heinze |
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| 49 | ! Subroutine nudge_ref is extended to set u_init and v_init to the current |
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| 50 | ! nudging profiles |
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| 51 | ! |
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| 52 | ! 1382 2014-04-30 12:15:41Z boeske |
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| 53 | ! Changed the weighting factor that is used in the summation of nudging |
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| 54 | ! tendencies for profile data output from weight_pres to weight_substep, |
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| 55 | ! added Neumann boundary conditions for profile data output of nudging terms at |
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| 56 | ! nzt+1 |
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| 57 | ! |
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| 58 | ! 1380 2014-04-28 12:40:45Z heinze |
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| 59 | ! Subroutine nudge_ref added to account for proper upper scalar boundary |
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| 60 | ! conditions in case of nudging |
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| 61 | ! |
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| 62 | ! 1365 2014-04-22 15:03:56Z boeske |
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| 63 | ! Variable t renamed nt, variable currtnudge renamed tmp_tnudge, |
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| 64 | ! summation of nudging tendencies for data output added |
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| 65 | ! +sums_ls_l, tmp_tend |
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| 66 | ! Added new subroutine calc_tnudge, which calculates the current nudging time |
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| 67 | ! scale at each time step |
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| 68 | ! |
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| 69 | ! 1355 2014-04-10 10:21:29Z heinze |
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| 70 | ! Error message specified. |
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| 71 | ! |
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| 72 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 73 | ! REAL constants provided with KIND-attribute |
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| 74 | ! |
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| 75 | ! 1320 2014-03-20 08:40:49Z raasch |
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| 76 | ! ONLY-attribute added to USE-statements, |
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| 77 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 78 | ! kinds are defined in new module kinds, |
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| 79 | ! old module precision_kind is removed, |
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| 80 | ! revision history before 2012 removed, |
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| 81 | ! comment fields (!:) to be used for variable explanations added to |
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| 82 | ! all variable declaration statements |
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| 83 | ! |
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| 84 | ! 1318 2014-03-17 13:35:16Z raasch |
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| 85 | ! module interfaces removed |
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| 86 | ! |
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| 87 | ! 1268 2013-12-12 09:47:53Z heinze |
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| 88 | ! bugfix: argument of calc_mean_profile corrected |
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| 89 | ! |
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| 90 | ! 1251 2013-11-07 08:14:30Z heinze |
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| 91 | ! bugfix: calculate dtm and dtp also in vector version |
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| 92 | ! |
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| 93 | ! 1249 2013-11-06 10:45:47Z heinze |
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| 94 | ! remove call of user module |
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| 95 | ! reformatting |
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| 96 | ! |
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| 97 | ! 1241 2013-10-30 11:36:58Z heinze |
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| 98 | ! Initial revision |
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| 99 | ! |
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| 100 | ! Description: |
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| 101 | ! ------------ |
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| 102 | !> Nudges u, v, pt and q to given profiles on a relaxation timescale tnudge. |
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| 103 | !> Profiles are read in from NUDGIN_DATA. Code is based on Neggers et al. (2012) |
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| 104 | !> and also part of DALES and UCLA-LES. |
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| 105 | !--------------------------------------------------------------------------------! |
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| 106 | MODULE nudge_mod |
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| 107 | |
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| 108 | |
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| 109 | PRIVATE |
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| 110 | PUBLIC init_nudge, calc_tnudge, nudge, nudge_ref |
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| 111 | SAVE |
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| 112 | |
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| 113 | INTERFACE nudge |
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| 114 | MODULE PROCEDURE nudge |
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| 115 | MODULE PROCEDURE nudge_ij |
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| 116 | END INTERFACE nudge |
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| 117 | |
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| 118 | CONTAINS |
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| 119 | |
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| 120 | !------------------------------------------------------------------------------! |
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| 121 | ! Description: |
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| 122 | ! ------------ |
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| 123 | !> @todo Missing subroutine description. |
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| 124 | !------------------------------------------------------------------------------! |
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| 125 | SUBROUTINE init_nudge |
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| 126 | |
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| 127 | USE arrays_3d, & |
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| 128 | ONLY: ptnudge, qnudge, timenudge, tmp_tnudge, tnudge, unudge, & |
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| 129 | vnudge, wnudge, zu |
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| 130 | |
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| 131 | USE control_parameters, & |
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| 132 | ONLY: dt_3d, lptnudge, lqnudge, lunudge, lvnudge, lwnudge, & |
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| 133 | message_string, ntnudge |
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| 134 | |
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| 135 | USE indices, & |
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| 136 | ONLY: nzb, nzt |
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| 137 | |
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| 138 | USE kinds |
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| 139 | |
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| 140 | IMPLICIT NONE |
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| 141 | |
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| 142 | |
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| 143 | INTEGER(iwp) :: finput = 90 !< |
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| 144 | INTEGER(iwp) :: ierrn !< |
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| 145 | INTEGER(iwp) :: k !< |
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| 146 | INTEGER(iwp) :: nt !< |
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| 147 | |
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| 148 | CHARACTER(1) :: hash !< |
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| 149 | |
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| 150 | REAL(wp) :: highheight !< |
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| 151 | REAL(wp) :: highqnudge !< |
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| 152 | REAL(wp) :: highptnudge !< |
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| 153 | REAL(wp) :: highunudge !< |
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| 154 | REAL(wp) :: highvnudge !< |
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| 155 | REAL(wp) :: highwnudge !< |
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| 156 | REAL(wp) :: hightnudge !< |
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| 157 | |
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| 158 | REAL(wp) :: lowheight !< |
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| 159 | REAL(wp) :: lowqnudge !< |
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| 160 | REAL(wp) :: lowptnudge !< |
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| 161 | REAL(wp) :: lowunudge !< |
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| 162 | REAL(wp) :: lowvnudge !< |
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| 163 | REAL(wp) :: lowwnudge !< |
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| 164 | REAL(wp) :: lowtnudge !< |
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| 165 | |
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| 166 | REAL(wp) :: fac !< |
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| 167 | |
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| 168 | ALLOCATE( ptnudge(nzb:nzt+1,1:ntnudge), qnudge(nzb:nzt+1,1:ntnudge), & |
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| 169 | tnudge(nzb:nzt+1,1:ntnudge), unudge(nzb:nzt+1,1:ntnudge), & |
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| 170 | vnudge(nzb:nzt+1,1:ntnudge), wnudge(nzb:nzt+1,1:ntnudge) ) |
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| 171 | |
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| 172 | ALLOCATE( tmp_tnudge(nzb:nzt) ) |
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| 173 | |
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| 174 | ALLOCATE( timenudge(0:ntnudge) ) |
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| 175 | |
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| 176 | ptnudge = 0.0_wp; qnudge = 0.0_wp; tnudge = 0.0_wp; unudge = 0.0_wp |
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| 177 | vnudge = 0.0_wp; wnudge = 0.0_wp; timenudge = 0.0_wp |
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| 178 | ! |
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| 179 | !-- Initialize array tmp_nudge with a current nudging time scale of 6 hours |
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| 180 | tmp_tnudge = 21600.0_wp |
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| 181 | |
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| 182 | nt = 0 |
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| 183 | OPEN ( finput, FILE='NUDGING_DATA', STATUS='OLD', & |
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| 184 | FORM='FORMATTED', IOSTAT=ierrn ) |
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| 185 | |
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| 186 | IF ( ierrn /= 0 ) THEN |
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| 187 | message_string = 'file NUDGING_DATA does not exist' |
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| 188 | CALL message( 'nudging', 'PA0365', 1, 2, 0, 6, 0 ) |
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| 189 | ENDIF |
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| 190 | |
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| 191 | ierrn = 0 |
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| 192 | |
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| 193 | rloop:DO |
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| 194 | nt = nt + 1 |
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| 195 | hash = "#" |
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| 196 | ierrn = 1 ! not zero |
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| 197 | ! |
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| 198 | !-- Search for the next line consisting of "# time", |
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| 199 | !-- from there onwards the profiles will be read |
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| 200 | DO WHILE ( .NOT. ( hash == "#" .AND. ierrn == 0 ) ) |
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| 201 | |
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| 202 | READ ( finput, *, IOSTAT=ierrn ) hash, timenudge(nt) |
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| 203 | IF ( ierrn < 0 ) EXIT rloop |
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| 204 | |
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| 205 | ENDDO |
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| 206 | |
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| 207 | ierrn = 0 |
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| 208 | READ ( finput, *, IOSTAT=ierrn ) lowheight, lowtnudge, lowunudge, & |
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| 209 | lowvnudge, lowwnudge , lowptnudge, & |
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| 210 | lowqnudge |
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| 211 | |
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| 212 | IF ( ierrn /= 0 ) THEN |
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| 213 | message_string = 'errors in file NUDGING_DATA' |
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| 214 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
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| 215 | ENDIF |
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| 216 | |
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| 217 | ierrn = 0 |
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| 218 | READ ( finput, *, IOSTAT=ierrn ) highheight, hightnudge, highunudge, & |
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| 219 | highvnudge, highwnudge , highptnudge, & |
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| 220 | highqnudge |
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| 221 | |
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| 222 | IF ( ierrn /= 0 ) THEN |
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| 223 | message_string = 'errors in file NUDGING_DATA' |
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| 224 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
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| 225 | ENDIF |
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| 226 | |
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| 227 | DO k = nzb, nzt+1 |
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| 228 | DO WHILE ( highheight < zu(k) ) |
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| 229 | lowheight = highheight |
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| 230 | lowtnudge = hightnudge |
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| 231 | lowunudge = highunudge |
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| 232 | lowvnudge = highvnudge |
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| 233 | lowwnudge = highwnudge |
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| 234 | lowptnudge = highptnudge |
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| 235 | lowqnudge = highqnudge |
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| 236 | |
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| 237 | ierrn = 0 |
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| 238 | READ ( finput, *, IOSTAT=ierrn ) highheight , hightnudge , & |
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| 239 | highunudge , highvnudge , & |
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| 240 | highwnudge , highptnudge, & |
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| 241 | highqnudge |
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| 242 | IF (ierrn /= 0 ) THEN |
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| 243 | WRITE( message_string, * ) 'zu(',k,') = ', zu(k), 'm is ',& |
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| 244 | 'higher than the maximum height in NUDING_DATA which ', & |
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| 245 | 'is ', lowheight, 'm. Interpolation on PALM ', & |
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| 246 | 'grid is not possible.' |
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| 247 | CALL message( 'nudging', 'PA0364', 1, 2, 0, 6, 0 ) |
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| 248 | ENDIF |
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| 249 | ENDDO |
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| 250 | |
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| 251 | ! |
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| 252 | !-- Interpolation of prescribed profiles in space |
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| 253 | |
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| 254 | fac = ( highheight - zu(k) ) / ( highheight - lowheight ) |
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| 255 | |
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| 256 | tnudge(k,nt) = fac * lowtnudge + ( 1.0_wp - fac ) * hightnudge |
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| 257 | unudge(k,nt) = fac * lowunudge + ( 1.0_wp - fac ) * highunudge |
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| 258 | vnudge(k,nt) = fac * lowvnudge + ( 1.0_wp - fac ) * highvnudge |
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| 259 | wnudge(k,nt) = fac * lowwnudge + ( 1.0_wp - fac ) * highwnudge |
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| 260 | ptnudge(k,nt) = fac * lowptnudge + ( 1.0_wp - fac ) * highptnudge |
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| 261 | qnudge(k,nt) = fac * lowqnudge + ( 1.0_wp - fac ) * highqnudge |
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| 262 | ENDDO |
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| 263 | |
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| 264 | ENDDO rloop |
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| 265 | |
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| 266 | CLOSE ( finput ) |
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| 267 | |
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| 268 | ! |
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| 269 | !-- Prevent nudging if nudging profiles exhibt too small values |
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| 270 | !-- not used so far |
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| 271 | lptnudge = ANY( ABS( ptnudge ) > 1.0e-8_wp ) |
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| 272 | lqnudge = ANY( ABS( qnudge ) > 1.0e-8_wp ) |
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| 273 | lunudge = ANY( ABS( unudge ) > 1.0e-8_wp ) |
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| 274 | lvnudge = ANY( ABS( vnudge ) > 1.0e-8_wp ) |
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| 275 | lwnudge = ANY( ABS( wnudge ) > 1.0e-8_wp ) |
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| 276 | |
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| 277 | END SUBROUTINE init_nudge |
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| 278 | |
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| 279 | |
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| 280 | !------------------------------------------------------------------------------! |
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| 281 | ! Description: |
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| 282 | ! ------------ |
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| 283 | !> @todo Missing subroutine description. |
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| 284 | !------------------------------------------------------------------------------! |
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| 285 | SUBROUTINE calc_tnudge ( time ) |
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| 286 | |
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| 287 | USE arrays_3d, & |
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| 288 | ONLY: timenudge, tmp_tnudge, tnudge |
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| 289 | |
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| 290 | USE control_parameters, & |
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| 291 | ONLY: dt_3d |
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| 292 | |
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| 293 | USE indices, & |
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| 294 | ONLY: nzb, nzt |
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| 295 | |
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| 296 | USE kinds |
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| 297 | |
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| 298 | IMPLICIT NONE |
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| 299 | |
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| 300 | |
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| 301 | REAL(wp) :: dtm !< |
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| 302 | REAL(wp) :: dtp !< |
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| 303 | REAL(wp) :: time !< |
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| 304 | |
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| 305 | INTEGER(iwp) :: k !< |
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| 306 | INTEGER(iwp) :: nt !< |
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| 307 | |
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| 308 | nt = 1 |
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| 309 | DO WHILE ( time > timenudge(nt) ) |
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| 310 | nt = nt+1 |
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| 311 | ENDDO |
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| 312 | IF ( time /= timenudge(1) ) THEN |
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| 313 | nt = nt-1 |
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| 314 | ENDIF |
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| 315 | |
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| 316 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 317 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 318 | |
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| 319 | DO k = nzb, nzt |
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| 320 | tmp_tnudge(k) = MAX( dt_3d, tnudge(k,nt) * dtp + tnudge(k,nt+1) * dtm ) |
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| 321 | ENDDO |
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| 322 | |
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| 323 | END SUBROUTINE calc_tnudge |
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| 324 | |
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| 325 | !------------------------------------------------------------------------------! |
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| 326 | ! Description: |
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| 327 | ! ------------ |
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| 328 | !> Call for all grid points |
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| 329 | !------------------------------------------------------------------------------! |
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| 330 | SUBROUTINE nudge ( time, prog_var ) |
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| 331 | |
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| 332 | USE arrays_3d, & |
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| 333 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
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| 334 | u, unudge, v, vnudge |
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| 335 | |
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| 336 | USE control_parameters, & |
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| 337 | ONLY: dt_3d, intermediate_timestep_count, message_string |
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| 338 | |
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| 339 | USE indices, & |
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| 340 | ONLY: nxl, nxr, nys, nyn, nzb, nzt, wall_flags_0 |
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| 341 | |
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| 342 | USE kinds |
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| 343 | |
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| 344 | USE statistics, & |
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| 345 | ONLY: hom, sums_ls_l, weight_substep |
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| 346 | |
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| 347 | IMPLICIT NONE |
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| 348 | |
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| 349 | CHARACTER (LEN=*) :: prog_var !< |
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| 350 | |
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| 351 | REAL(wp) :: tmp_tend !< |
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| 352 | REAL(wp) :: dtm !< |
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| 353 | REAL(wp) :: dtp !< |
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| 354 | REAL(wp) :: time !< |
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| 355 | |
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| 356 | INTEGER(iwp) :: i !< |
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| 357 | INTEGER(iwp) :: j !< |
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| 358 | INTEGER(iwp) :: k !< |
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| 359 | INTEGER(iwp) :: nt !< |
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| 360 | |
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| 361 | |
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| 362 | nt = 1 |
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| 363 | DO WHILE ( time > timenudge(nt) ) |
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| 364 | nt = nt+1 |
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| 365 | ENDDO |
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| 366 | IF ( time /= timenudge(1) ) THEN |
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| 367 | nt = nt-1 |
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| 368 | ENDIF |
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| 369 | |
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| 370 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 371 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 372 | |
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| 373 | SELECT CASE ( prog_var ) |
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| 374 | |
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| 375 | CASE ( 'u' ) |
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| 376 | |
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| 377 | DO i = nxl, nxr |
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| 378 | DO j = nys, nyn |
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| 379 | |
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| 380 | DO k = nzb+1, nzt |
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| 381 | |
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| 382 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
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| 383 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 384 | |
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| 385 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 386 | MERGE( 1.0_wp, 0.0_wp, & |
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| 387 | BTEST( wall_flags_0(k,j,i), 1 ) ) |
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| 388 | |
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| 389 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend * & |
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| 390 | weight_substep(intermediate_timestep_count) |
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| 391 | ENDDO |
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| 392 | |
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| 393 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
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| 394 | |
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| 395 | ENDDO |
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| 396 | ENDDO |
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| 397 | |
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| 398 | CASE ( 'v' ) |
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| 399 | |
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| 400 | DO i = nxl, nxr |
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| 401 | DO j = nys, nyn |
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| 402 | |
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| 403 | DO k = nzb+1, nzt |
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| 404 | |
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| 405 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
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| 406 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 407 | |
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| 408 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 409 | MERGE( 1.0_wp, 0.0_wp, & |
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| 410 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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| 411 | |
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| 412 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend * & |
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| 413 | weight_substep(intermediate_timestep_count) |
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| 414 | ENDDO |
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| 415 | |
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| 416 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
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| 417 | |
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| 418 | ENDDO |
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| 419 | ENDDO |
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| 420 | |
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| 421 | CASE ( 'pt' ) |
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| 422 | |
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| 423 | DO i = nxl, nxr |
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| 424 | DO j = nys, nyn |
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| 425 | |
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| 426 | DO k = nzb+1, nzt |
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| 427 | |
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| 428 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
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| 429 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 430 | |
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| 431 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 432 | MERGE( 1.0_wp, 0.0_wp, & |
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| 433 | BTEST( wall_flags_0(k,j,i), 0 ) ) |
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| 434 | |
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| 435 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend * & |
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| 436 | weight_substep(intermediate_timestep_count) |
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| 437 | ENDDO |
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| 438 | |
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| 439 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
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| 440 | |
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| 441 | ENDDO |
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| 442 | ENDDO |
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| 443 | |
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| 444 | CASE ( 'q' ) |
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| 445 | |
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| 446 | DO i = nxl, nxr |
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| 447 | DO j = nys, nyn |
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| 448 | |
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| 449 | DO k = nzb+1, nzt |
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| 450 | |
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| 451 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
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| 452 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 453 | |
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| 454 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 455 | MERGE( 1.0_wp, 0.0_wp, & |
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| 456 | BTEST( wall_flags_0(k,j,i), 0 ) ) |
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| 457 | |
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| 458 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend * & |
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| 459 | weight_substep(intermediate_timestep_count) |
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| 460 | ENDDO |
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| 461 | |
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| 462 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
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| 463 | |
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| 464 | ENDDO |
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| 465 | ENDDO |
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| 466 | |
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| 467 | CASE DEFAULT |
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| 468 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
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| 469 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
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| 470 | |
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| 471 | END SELECT |
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| 472 | |
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| 473 | END SUBROUTINE nudge |
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| 474 | |
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| 475 | |
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| 476 | !------------------------------------------------------------------------------! |
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| 477 | ! Description: |
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| 478 | ! ------------ |
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| 479 | !> Call for grid point i,j |
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| 480 | !------------------------------------------------------------------------------! |
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| 481 | |
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| 482 | SUBROUTINE nudge_ij( i, j, time, prog_var ) |
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| 483 | |
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| 484 | USE arrays_3d, & |
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| 485 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
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| 486 | u, unudge, v, vnudge |
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| 487 | |
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| 488 | USE control_parameters, & |
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| 489 | ONLY: dt_3d, intermediate_timestep_count, message_string |
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| 490 | |
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| 491 | USE indices, & |
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| 492 | ONLY: nxl, nxr, nys, nyn, nzb, nzt, wall_flags_0 |
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| 493 | |
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| 494 | USE kinds |
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| 495 | |
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| 496 | USE statistics, & |
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| 497 | ONLY: hom, sums_ls_l, weight_substep |
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| 498 | |
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| 499 | IMPLICIT NONE |
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| 500 | |
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| 501 | |
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| 502 | CHARACTER (LEN=*) :: prog_var !< |
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| 503 | |
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| 504 | REAL(wp) :: tmp_tend !< |
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| 505 | REAL(wp) :: dtm !< |
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| 506 | REAL(wp) :: dtp !< |
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| 507 | REAL(wp) :: time !< |
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| 508 | |
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| 509 | INTEGER(iwp) :: i !< |
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| 510 | INTEGER(iwp) :: j !< |
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| 511 | INTEGER(iwp) :: k !< |
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| 512 | INTEGER(iwp) :: nt !< |
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| 513 | |
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| 514 | |
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| 515 | nt = 1 |
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| 516 | DO WHILE ( time > timenudge(nt) ) |
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| 517 | nt = nt+1 |
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| 518 | ENDDO |
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| 519 | IF ( time /= timenudge(1) ) THEN |
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| 520 | nt = nt-1 |
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| 521 | ENDIF |
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| 522 | |
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| 523 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 524 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 525 | |
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| 526 | SELECT CASE ( prog_var ) |
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| 527 | |
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| 528 | CASE ( 'u' ) |
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| 529 | |
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| 530 | DO k = nzb+1, nzt |
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| 531 | |
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| 532 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
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| 533 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 534 | |
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| 535 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 536 | MERGE( 1.0_wp, 0.0_wp, & |
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| 537 | BTEST( wall_flags_0(k,j,i), 1 ) ) |
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| 538 | |
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| 539 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend & |
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| 540 | * weight_substep(intermediate_timestep_count) |
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| 541 | ENDDO |
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| 542 | |
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| 543 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
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| 544 | |
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| 545 | CASE ( 'v' ) |
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| 546 | |
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| 547 | DO k = nzb+1, nzt |
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| 548 | |
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| 549 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
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| 550 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 551 | |
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| 552 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 553 | MERGE( 1.0_wp, 0.0_wp, & |
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| 554 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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| 555 | |
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| 556 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend & |
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| 557 | * weight_substep(intermediate_timestep_count) |
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| 558 | ENDDO |
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| 559 | |
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| 560 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
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| 561 | |
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| 562 | CASE ( 'pt' ) |
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| 563 | |
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| 564 | DO k = nzb+1, nzt |
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| 565 | |
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| 566 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
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| 567 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 568 | |
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| 569 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 570 | MERGE( 1.0_wp, 0.0_wp, & |
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| 571 | BTEST( wall_flags_0(k,j,i), 0 ) ) |
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| 572 | |
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| 573 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend & |
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| 574 | * weight_substep(intermediate_timestep_count) |
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| 575 | ENDDO |
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| 576 | |
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| 577 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
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| 578 | |
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| 579 | |
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| 580 | CASE ( 'q' ) |
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| 581 | |
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| 582 | DO k = nzb+1, nzt |
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| 583 | |
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| 584 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
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| 585 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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| 586 | |
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| 587 | tend(k,j,i) = tend(k,j,i) + tmp_tend * & |
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| 588 | MERGE( 1.0_wp, 0.0_wp, & |
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| 589 | BTEST( wall_flags_0(k,j,i), 0 ) ) |
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| 590 | |
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| 591 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend & |
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| 592 | * weight_substep(intermediate_timestep_count) |
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| 593 | ENDDO |
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| 594 | |
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| 595 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
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| 596 | |
|---|
| 597 | CASE DEFAULT |
|---|
| 598 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
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| 599 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
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| 600 | |
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| 601 | END SELECT |
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| 602 | |
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| 603 | |
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| 604 | END SUBROUTINE nudge_ij |
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| 605 | |
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| 606 | |
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| 607 | !------------------------------------------------------------------------------! |
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| 608 | ! Description: |
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| 609 | ! ------------ |
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| 610 | !> @todo Missing subroutine description. |
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| 611 | !------------------------------------------------------------------------------! |
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| 612 | SUBROUTINE nudge_ref ( time ) |
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| 613 | |
|---|
| 614 | USE arrays_3d, & |
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| 615 | ONLY: time_vert, ptnudge, pt_init, qnudge, q_init, unudge, u_init, & |
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| 616 | vnudge, v_init |
|---|
| 617 | |
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| 618 | USE kinds |
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| 619 | |
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| 620 | |
|---|
| 621 | IMPLICIT NONE |
|---|
| 622 | |
|---|
| 623 | INTEGER(iwp) :: nt !< |
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| 624 | |
|---|
| 625 | REAL(wp) :: fac !< |
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| 626 | REAL(wp), INTENT(in) :: time !< |
|---|
| 627 | |
|---|
| 628 | ! |
|---|
| 629 | !-- Interpolation in time of NUDGING_DATA for pt_init and q_init. This is |
|---|
| 630 | !-- needed for correct upper boundary conditions for pt and q and in case that |
|---|
| 631 | ! large scale subsidence as well as scalar Rayleigh-damping are used |
|---|
| 632 | nt = 1 |
|---|
| 633 | DO WHILE ( time > time_vert(nt) ) |
|---|
| 634 | nt = nt + 1 |
|---|
| 635 | ENDDO |
|---|
| 636 | IF ( time /= time_vert(nt) ) THEN |
|---|
| 637 | nt = nt - 1 |
|---|
| 638 | ENDIF |
|---|
| 639 | |
|---|
| 640 | fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) ) |
|---|
| 641 | |
|---|
| 642 | pt_init = ptnudge(:,nt) + fac * ( ptnudge(:,nt+1) - ptnudge(:,nt) ) |
|---|
| 643 | q_init = qnudge(:,nt) + fac * ( qnudge(:,nt+1) - qnudge(:,nt) ) |
|---|
| 644 | u_init = unudge(:,nt) + fac * ( unudge(:,nt+1) - unudge(:,nt) ) |
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| 645 | v_init = vnudge(:,nt) + fac * ( vnudge(:,nt+1) - vnudge(:,nt) ) |
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| 646 | |
|---|
| 647 | END SUBROUTINE nudge_ref |
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| 648 | |
|---|
| 649 | END MODULE nudge_mod |
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