| 1 | !> @file buoyancy.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 1997-2016 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: buoyancy.f90 2001 2016-08-20 18:41:22Z suehring $ |
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| 27 | ! |
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| 28 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 29 | ! Forced header and separation lines into 80 columns |
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| 30 | ! |
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| 31 | ! 1873 2016-04-18 14:50:06Z maronga |
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| 32 | ! Module renamed (removed _mod) |
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| 33 | ! |
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| 34 | ! |
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| 35 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 36 | ! Module renamed |
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| 37 | ! |
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| 38 | ! |
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| 39 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 40 | ! Code annotations made doxygen readable |
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| 41 | ! |
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| 42 | ! 1374 2014-04-25 12:55:07Z raasch |
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| 43 | ! missing variables added to ONLY list |
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| 44 | ! |
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| 45 | ! 1365 2014-04-22 15:03:56Z boeske |
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| 46 | ! Calculation of reference state in subroutine calc_mean_profile moved to |
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| 47 | ! subroutine time_integration, |
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| 48 | ! subroutine calc_mean_profile moved to new file calc_mean_profile.f90 |
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| 49 | ! |
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| 50 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 51 | ! REAL constants provided with KIND-attribute |
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| 52 | ! |
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| 53 | ! 1320 2014-03-20 08:40:49Z raasch |
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| 54 | ! ONLY-attribute added to USE-statements, |
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| 55 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 56 | ! kinds are defined in new module kinds, |
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| 57 | ! revision history before 2012 removed, |
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| 58 | ! comment fields (!:) to be used for variable explanations added to |
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| 59 | ! all variable declaration statements |
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| 60 | ! |
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| 61 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 62 | ! vector length (32) removed from openacc clause |
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| 63 | ! |
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| 64 | ! 1241 2013-10-30 11:36:58Z heinze |
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| 65 | ! Generalize calc_mean_profile for wider use: use additional steering |
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| 66 | ! character loc |
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| 67 | ! |
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| 68 | ! 1179 2013-06-14 05:57:58Z raasch |
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| 69 | ! steering of reference state revised (var_reference and pr removed from |
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| 70 | ! parameter list), use_reference renamed use_single_reference_value |
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| 71 | ! |
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| 72 | ! 1171 2013-05-30 11:27:45Z raasch |
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| 73 | ! openacc statements added to use_reference-case in accelerator version |
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| 74 | ! |
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| 75 | ! 1153 2013-05-10 14:33:08Z raasch |
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| 76 | ! code adjustments of accelerator version required by PGI 12.3 / CUDA 5.0 |
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| 77 | ! |
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| 78 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 79 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 80 | ! j_north |
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| 81 | ! |
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| 82 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 83 | ! code put under GPL (PALM 3.9) |
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| 84 | ! |
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| 85 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 86 | ! accelerator version (*_acc) added |
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| 87 | ! |
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| 88 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 89 | ! cpp switch __nopointer added for pointer free version |
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| 90 | ! |
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| 91 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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| 92 | ! Initial revision |
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| 93 | ! |
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| 94 | ! |
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| 95 | ! Description: |
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| 96 | ! ------------ |
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| 97 | !> Buoyancy term of the third component of the equation of motion. |
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| 98 | !> @attention Humidity is not regarded when using a sloping surface! |
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| 99 | !------------------------------------------------------------------------------! |
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| 100 | MODULE buoyancy_mod |
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| 101 | |
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| 102 | |
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| 103 | PRIVATE |
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| 104 | PUBLIC buoyancy, buoyancy_acc |
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| 105 | |
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| 106 | INTERFACE buoyancy |
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| 107 | MODULE PROCEDURE buoyancy |
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| 108 | MODULE PROCEDURE buoyancy_ij |
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| 109 | END INTERFACE buoyancy |
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| 110 | |
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| 111 | INTERFACE buoyancy_acc |
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| 112 | MODULE PROCEDURE buoyancy_acc |
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| 113 | END INTERFACE buoyancy_acc |
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| 114 | |
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| 115 | CONTAINS |
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| 116 | |
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| 117 | |
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| 118 | !------------------------------------------------------------------------------! |
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| 119 | ! Description: |
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| 120 | ! ------------ |
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| 121 | !> Call for all grid points |
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| 122 | !------------------------------------------------------------------------------! |
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| 123 | SUBROUTINE buoyancy( var, wind_component ) |
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| 124 | |
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| 125 | USE arrays_3d, & |
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| 126 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 127 | |
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| 128 | USE control_parameters, & |
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| 129 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 130 | pt_surface, sin_alpha_surface, sloping_surface |
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| 131 | |
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| 132 | USE indices, & |
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| 133 | ONLY: nxl, nxlg, nxlu, nxr, nxrg, nyn, nyng, nys, nysg, nzb, & |
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| 134 | nzb_s_inner, nzt |
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| 135 | |
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| 136 | USE kinds |
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| 137 | |
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| 138 | USE pegrid |
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| 139 | |
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| 140 | |
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| 141 | IMPLICIT NONE |
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| 142 | |
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| 143 | INTEGER(iwp) :: i !< |
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| 144 | INTEGER(iwp) :: j !< |
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| 145 | INTEGER(iwp) :: k !< |
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| 146 | INTEGER(iwp) :: wind_component !< |
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| 147 | |
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| 148 | #if defined( __nopointer ) |
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| 149 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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| 150 | #else |
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| 151 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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| 152 | #endif |
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| 153 | |
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| 154 | |
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| 155 | IF ( .NOT. sloping_surface ) THEN |
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| 156 | ! |
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| 157 | !-- Normal case: horizontal surface |
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| 158 | DO i = nxl, nxr |
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| 159 | DO j = nys, nyn |
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| 160 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 161 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * & |
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| 162 | ( & |
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| 163 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 164 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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| 165 | ) |
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| 166 | ENDDO |
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| 167 | ENDDO |
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| 168 | ENDDO |
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| 169 | |
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| 170 | ELSE |
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| 171 | ! |
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| 172 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 173 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 174 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 175 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 176 | !-- of the total domain. |
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| 177 | IF ( wind_component == 1 ) THEN |
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| 178 | |
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| 179 | DO i = nxlu, nxr |
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| 180 | DO j = nys, nyn |
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| 181 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 182 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 183 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 184 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 185 | ) / pt_surface |
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| 186 | ENDDO |
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| 187 | ENDDO |
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| 188 | ENDDO |
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| 189 | |
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| 190 | ELSEIF ( wind_component == 3 ) THEN |
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| 191 | |
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| 192 | DO i = nxl, nxr |
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| 193 | DO j = nys, nyn |
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| 194 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 195 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 196 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 197 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 198 | ) / pt_surface |
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| 199 | ENDDO |
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| 200 | ENDDO |
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| 201 | ENDDO |
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| 202 | |
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| 203 | ELSE |
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| 204 | |
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| 205 | WRITE( message_string, * ) 'no term for component "', & |
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| 206 | wind_component,'"' |
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| 207 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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| 208 | |
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| 209 | ENDIF |
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| 210 | |
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| 211 | ENDIF |
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| 212 | |
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| 213 | END SUBROUTINE buoyancy |
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| 214 | |
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| 215 | |
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| 216 | !------------------------------------------------------------------------------! |
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| 217 | ! Description: |
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| 218 | ! ------------ |
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| 219 | !> Call for all grid points - accelerator version |
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| 220 | !------------------------------------------------------------------------------! |
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| 221 | SUBROUTINE buoyancy_acc( var, wind_component ) |
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| 222 | |
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| 223 | USE arrays_3d, & |
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| 224 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 225 | |
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| 226 | USE control_parameters, & |
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| 227 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 228 | pt_surface, sin_alpha_surface, sloping_surface |
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| 229 | |
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| 230 | USE indices, & |
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| 231 | ONLY: i_left, i_right, j_north, j_south, nxl, nxlg, nxlu, nxr, & |
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| 232 | nxrg, nyn, nyng, nys, nysg, nzb, nzb_s_inner, nzt |
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| 233 | |
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| 234 | USE kinds |
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| 235 | |
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| 236 | USE pegrid |
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| 237 | |
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| 238 | |
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| 239 | IMPLICIT NONE |
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| 240 | |
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| 241 | INTEGER(iwp) :: i !< |
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| 242 | INTEGER(iwp) :: j !< |
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| 243 | INTEGER(iwp) :: k !< |
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| 244 | INTEGER(iwp) :: wind_component !< |
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| 245 | |
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| 246 | #if defined( __nopointer ) |
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| 247 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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| 248 | #else |
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| 249 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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| 250 | #endif |
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| 251 | |
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| 252 | |
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| 253 | IF ( .NOT. sloping_surface ) THEN |
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| 254 | ! |
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| 255 | !-- Normal case: horizontal surface |
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| 256 | !$acc kernels present( nzb_s_inner, ref_state, tend, var ) |
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| 257 | !$acc loop |
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| 258 | DO i = i_left, i_right |
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| 259 | DO j = j_south, j_north |
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| 260 | !$acc loop independent vector |
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| 261 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 262 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * & |
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| 263 | ( & |
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| 264 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 265 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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| 266 | ) |
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| 267 | ENDDO |
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| 268 | ENDDO |
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| 269 | ENDDO |
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| 270 | !$acc end kernels |
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| 271 | |
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| 272 | ELSE |
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| 273 | ! |
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| 274 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 275 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 276 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 277 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 278 | !-- of the total domain. |
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| 279 | IF ( wind_component == 1 ) THEN |
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| 280 | |
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| 281 | DO i = nxlu, nxr |
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| 282 | DO j = nys, nyn |
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| 283 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 284 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 285 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 286 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 287 | ) / pt_surface |
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| 288 | ENDDO |
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| 289 | ENDDO |
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| 290 | ENDDO |
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| 291 | |
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| 292 | ELSEIF ( wind_component == 3 ) THEN |
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| 293 | |
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| 294 | DO i = nxl, nxr |
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| 295 | DO j = nys, nyn |
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| 296 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 297 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 298 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 299 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 300 | ) / pt_surface |
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| 301 | ENDDO |
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| 302 | ENDDO |
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| 303 | ENDDO |
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| 304 | |
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| 305 | ELSE |
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| 306 | |
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| 307 | WRITE( message_string, * ) 'no term for component "', & |
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| 308 | wind_component,'"' |
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| 309 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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| 310 | |
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| 311 | ENDIF |
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| 312 | |
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| 313 | ENDIF |
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| 314 | |
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| 315 | END SUBROUTINE buoyancy_acc |
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| 316 | |
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| 317 | |
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| 318 | !------------------------------------------------------------------------------! |
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| 319 | ! Description: |
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| 320 | ! ------------ |
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| 321 | !> Call for grid point i,j |
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| 322 | !> @attention PGI-compiler creates SIGFPE if opt>1 is used! Therefore, opt=1 is |
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| 323 | !> forced by compiler-directive. |
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| 324 | !------------------------------------------------------------------------------! |
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| 325 | !pgi$r opt=1 |
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| 326 | SUBROUTINE buoyancy_ij( i, j, var, wind_component ) |
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| 327 | |
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| 328 | USE arrays_3d, & |
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| 329 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 330 | |
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| 331 | USE control_parameters, & |
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| 332 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 333 | pt_surface, sin_alpha_surface, sloping_surface |
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| 334 | |
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| 335 | USE indices, & |
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| 336 | ONLY: nxlg, nxrg, nyng, nysg, nzb, nzb_s_inner, nzt |
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| 337 | |
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| 338 | USE kinds |
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| 339 | |
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| 340 | USE pegrid |
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| 341 | |
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| 342 | |
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| 343 | IMPLICIT NONE |
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| 344 | |
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| 345 | INTEGER(iwp) :: i !< |
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| 346 | INTEGER(iwp) :: j !< |
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| 347 | INTEGER(iwp) :: k !< |
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| 348 | INTEGER(iwp) :: pr !< |
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| 349 | INTEGER(iwp) :: wind_component !< |
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| 350 | |
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| 351 | #if defined( __nopointer ) |
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| 352 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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| 353 | #else |
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| 354 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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| 355 | #endif |
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| 356 | |
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| 357 | |
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| 358 | IF ( .NOT. sloping_surface ) THEN |
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| 359 | ! |
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| 360 | !-- Normal case: horizontal surface |
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| 361 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 362 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * ( & |
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| 363 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 364 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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| 365 | ) |
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| 366 | ENDDO |
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| 367 | |
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| 368 | ELSE |
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| 369 | ! |
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| 370 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 371 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 372 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 373 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 374 | !-- of the total domain. |
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| 375 | IF ( wind_component == 1 ) THEN |
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| 376 | |
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| 377 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 378 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 379 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 380 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 381 | ) / pt_surface |
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| 382 | ENDDO |
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| 383 | |
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| 384 | ELSEIF ( wind_component == 3 ) THEN |
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| 385 | |
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| 386 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 387 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 388 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 389 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 390 | ) / pt_surface |
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| 391 | ENDDO |
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| 392 | |
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| 393 | ELSE |
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| 394 | |
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| 395 | WRITE( message_string, * ) 'no term for component "', & |
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| 396 | wind_component,'"' |
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| 397 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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| 398 | |
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| 399 | ENDIF |
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| 400 | |
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| 401 | ENDIF |
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| 402 | |
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| 403 | END SUBROUTINE buoyancy_ij |
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| 404 | |
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| 405 | END MODULE buoyancy_mod |
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