[1] | 1 | MODULE buoyancy_mod |
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| 2 | |
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[1036] | 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2012 Leibniz University Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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[247] | 20 | ! Currrent revisions: |
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[1] | 21 | ! ----------------- |
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[98] | 22 | ! |
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[1017] | 23 | ! |
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[98] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: buoyancy.f90 1036 2012-10-22 13:43:42Z raasch $ |
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| 27 | ! |
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[1017] | 28 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 29 | ! accelerator version (*_acc) added |
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| 30 | ! |
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[1011] | 31 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 32 | ! cpp switch __nopointer added for pointer free version |
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| 33 | ! |
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[623] | 34 | ! 622 2010-12-10 08:08:13Z raasch |
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| 35 | ! optional barriers included in order to speed up collective operations |
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| 36 | ! |
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[516] | 37 | ! 515 2010-03-18 02:30:38Z raasch |
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| 38 | ! PGI-compiler creates SIGFPE in routine buoyancy, if opt>1 is used! Therefore, |
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| 39 | ! opt=1 is forced by compiler-directive. |
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| 40 | ! |
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[392] | 41 | ! 247 2009-02-27 14:01:30Z heinze |
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| 42 | ! Output of messages replaced by message handling routine |
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| 43 | ! |
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[139] | 44 | ! 132 2007-11-20 09:46:11Z letzel |
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| 45 | ! Vertical scalar profiles now based on nzb_s_inner and ngp_2dh_s_inner. |
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| 46 | ! |
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[110] | 47 | ! 106 2007-08-16 14:30:26Z raasch |
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| 48 | ! i loop for u-component (sloping surface) is starting from nxlu (needed for |
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| 49 | ! non-cyclic boundary conditions) |
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| 50 | ! |
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[98] | 51 | ! 97 2007-06-21 08:23:15Z raasch |
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[97] | 52 | ! Routine reneralized to be used with temperature AND density: |
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| 53 | ! argument theta renamed var, new argument var_reference, |
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| 54 | ! use_pt_reference renamed use_reference, |
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[96] | 55 | ! calc_mean_pt_profile renamed calc_mean_profile |
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[1] | 56 | ! |
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[77] | 57 | ! 57 2007-03-09 12:05:41Z raasch |
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| 58 | ! Reference temperature pt_reference can be used. |
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| 59 | ! |
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[3] | 60 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 61 | ! |
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[1] | 62 | ! Revision 1.19 2006/04/26 12:09:56 raasch |
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| 63 | ! OpenMP optimization (one dimension added to sums_l) |
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| 64 | ! |
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| 65 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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| 66 | ! Initial revision |
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| 67 | ! |
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| 68 | ! |
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| 69 | ! Description: |
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| 70 | ! ------------ |
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| 71 | ! Buoyancy term of the third component of the equation of motion. |
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| 72 | ! WARNING: humidity is not regarded when using a sloping surface! |
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| 73 | !------------------------------------------------------------------------------! |
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| 74 | |
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| 75 | PRIVATE |
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[1015] | 76 | PUBLIC buoyancy, buoyancy_acc, calc_mean_profile |
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[1] | 77 | |
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| 78 | INTERFACE buoyancy |
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| 79 | MODULE PROCEDURE buoyancy |
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| 80 | MODULE PROCEDURE buoyancy_ij |
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| 81 | END INTERFACE buoyancy |
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| 82 | |
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[1015] | 83 | INTERFACE buoyancy_acc |
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| 84 | MODULE PROCEDURE buoyancy_acc |
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| 85 | END INTERFACE buoyancy_acc |
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| 86 | |
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[96] | 87 | INTERFACE calc_mean_profile |
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| 88 | MODULE PROCEDURE calc_mean_profile |
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| 89 | END INTERFACE calc_mean_profile |
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[1] | 90 | |
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| 91 | CONTAINS |
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| 92 | |
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| 93 | |
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| 94 | !------------------------------------------------------------------------------! |
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| 95 | ! Call for all grid points |
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| 96 | !------------------------------------------------------------------------------! |
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[97] | 97 | SUBROUTINE buoyancy( var, var_reference, wind_component, pr ) |
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[1] | 98 | |
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| 99 | USE arrays_3d |
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| 100 | USE control_parameters |
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| 101 | USE indices |
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| 102 | USE pegrid |
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| 103 | USE statistics |
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| 104 | |
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| 105 | IMPLICIT NONE |
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| 106 | |
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| 107 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 108 | REAL :: var_reference |
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[1010] | 109 | #if defined( __nopointer ) |
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| 110 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 111 | #else |
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| 112 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 113 | #endif |
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[1] | 114 | |
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| 115 | |
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| 116 | IF ( .NOT. sloping_surface ) THEN |
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| 117 | ! |
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| 118 | !-- Normal case: horizontal surface |
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[97] | 119 | IF ( use_reference ) THEN |
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[57] | 120 | DO i = nxl, nxr |
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| 121 | DO j = nys, nyn |
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| 122 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 123 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 124 | ( & |
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| 125 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 126 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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[57] | 127 | ) |
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| 128 | ENDDO |
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| 129 | ENDDO |
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| 130 | ENDDO |
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| 131 | ELSE |
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| 132 | DO i = nxl, nxr |
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| 133 | DO j = nys, nyn |
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| 134 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 135 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 136 | ( & |
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| 137 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 138 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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[57] | 139 | ) |
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| 140 | ENDDO |
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[1] | 141 | ENDDO |
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| 142 | ENDDO |
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[57] | 143 | ENDIF |
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[1] | 144 | |
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| 145 | ELSE |
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| 146 | ! |
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| 147 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 148 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 149 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 150 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 151 | !-- of the total domain. |
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| 152 | IF ( wind_component == 1 ) THEN |
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| 153 | |
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[106] | 154 | DO i = nxlu, nxr |
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[1] | 155 | DO j = nys, nyn |
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| 156 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 157 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 158 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 159 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 160 | ) / pt_surface |
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| 161 | ENDDO |
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| 162 | ENDDO |
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| 163 | ENDDO |
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| 164 | |
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| 165 | ELSEIF ( wind_component == 3 ) THEN |
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| 166 | |
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| 167 | DO i = nxl, nxr |
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| 168 | DO j = nys, nyn |
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| 169 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 170 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 171 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 172 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 173 | ) / pt_surface |
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| 174 | ENDDO |
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| 175 | ENDDO |
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| 176 | ENDDO |
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| 177 | |
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| 178 | ELSE |
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[247] | 179 | |
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| 180 | WRITE( message_string, * ) 'no term for component "',& |
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[1] | 181 | wind_component,'"' |
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[247] | 182 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 183 | |
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| 184 | ENDIF |
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| 185 | |
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| 186 | ENDIF |
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| 187 | |
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| 188 | END SUBROUTINE buoyancy |
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| 189 | |
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| 190 | |
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| 191 | !------------------------------------------------------------------------------! |
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[1015] | 192 | ! Call for all grid points - accelerator version |
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| 193 | !------------------------------------------------------------------------------! |
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| 194 | SUBROUTINE buoyancy_acc( var, var_reference, wind_component, pr ) |
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| 195 | |
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| 196 | USE arrays_3d |
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| 197 | USE control_parameters |
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| 198 | USE indices |
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| 199 | USE pegrid |
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| 200 | USE statistics |
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| 201 | |
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| 202 | IMPLICIT NONE |
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| 203 | |
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| 204 | INTEGER :: i, j, k, pr, wind_component |
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| 205 | REAL :: var_reference |
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| 206 | #if defined( __nopointer ) |
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| 207 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 208 | #else |
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| 209 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 210 | #endif |
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| 211 | |
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| 212 | |
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| 213 | IF ( .NOT. sloping_surface ) THEN |
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| 214 | ! |
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| 215 | !-- Normal case: horizontal surface |
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| 216 | IF ( use_reference ) THEN |
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| 217 | DO i = nxl, nxr |
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| 218 | DO j = nys, nyn |
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| 219 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 220 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 221 | ( & |
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| 222 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 223 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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| 224 | ) |
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| 225 | ENDDO |
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| 226 | ENDDO |
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| 227 | ENDDO |
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| 228 | ELSE |
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| 229 | !$acc kernels present( nzb_s_inner, hom, tend, var ) |
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| 230 | !$acc loop |
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| 231 | DO i = nxl, nxr |
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| 232 | DO j = nys, nyn |
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| 233 | !$acc loop vector(32) |
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| 234 | DO k = 1, nzt-1 |
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| 235 | IF ( k > nzb_s_inner(j,i) ) THEN |
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| 236 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 237 | ( & |
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| 238 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 239 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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| 240 | ) |
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| 241 | ENDIF |
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| 242 | ENDDO |
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| 243 | ENDDO |
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| 244 | ENDDO |
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| 245 | !$acc end kernels |
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| 246 | ENDIF |
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| 247 | |
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| 248 | ELSE |
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| 249 | ! |
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| 250 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 251 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 252 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 253 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 254 | !-- of the total domain. |
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| 255 | IF ( wind_component == 1 ) THEN |
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| 256 | |
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| 257 | DO i = nxlu, nxr |
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| 258 | DO j = nys, nyn |
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| 259 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 260 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 261 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 262 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 263 | ) / pt_surface |
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| 264 | ENDDO |
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| 265 | ENDDO |
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| 266 | ENDDO |
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| 267 | |
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| 268 | ELSEIF ( wind_component == 3 ) THEN |
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| 269 | |
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| 270 | DO i = nxl, nxr |
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| 271 | DO j = nys, nyn |
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| 272 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 273 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 274 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 275 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 276 | ) / pt_surface |
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| 277 | ENDDO |
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| 278 | ENDDO |
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| 279 | ENDDO |
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| 280 | |
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| 281 | ELSE |
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| 282 | |
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| 283 | WRITE( message_string, * ) 'no term for component "',& |
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| 284 | wind_component,'"' |
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| 285 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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| 286 | |
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| 287 | ENDIF |
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| 288 | |
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| 289 | ENDIF |
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| 290 | |
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| 291 | END SUBROUTINE buoyancy_acc |
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| 292 | |
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| 293 | |
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| 294 | !------------------------------------------------------------------------------! |
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[1] | 295 | ! Call for grid point i,j |
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[515] | 296 | ! ATTENTION: PGI-compiler creates SIGFPE if opt>1 is used! Therefore, opt=1 is |
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| 297 | ! forced by compiler-directive. |
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[1] | 298 | !------------------------------------------------------------------------------! |
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[515] | 299 | !pgi$r opt=1 |
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[97] | 300 | SUBROUTINE buoyancy_ij( i, j, var, var_reference, wind_component, pr ) |
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[1] | 301 | |
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| 302 | USE arrays_3d |
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| 303 | USE control_parameters |
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| 304 | USE indices |
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| 305 | USE pegrid |
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| 306 | USE statistics |
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| 307 | |
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| 308 | IMPLICIT NONE |
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| 309 | |
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| 310 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 311 | REAL :: var_reference |
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[1010] | 312 | #if defined( __nopointer ) |
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| 313 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 314 | #else |
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| 315 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 316 | #endif |
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[1] | 317 | |
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| 318 | |
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| 319 | IF ( .NOT. sloping_surface ) THEN |
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| 320 | ! |
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| 321 | !-- Normal case: horizontal surface |
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[97] | 322 | IF ( use_reference ) THEN |
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[57] | 323 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 324 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 325 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 326 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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| 327 | ) |
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[57] | 328 | ENDDO |
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| 329 | ELSE |
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| 330 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 331 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 332 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 333 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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| 334 | ) |
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[57] | 335 | ENDDO |
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| 336 | ENDIF |
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[1] | 337 | |
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| 338 | ELSE |
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| 339 | ! |
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| 340 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 341 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 342 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 343 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 344 | !-- of the total domain. |
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| 345 | IF ( wind_component == 1 ) THEN |
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| 346 | |
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| 347 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 348 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 349 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 350 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 351 | ) / pt_surface |
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| 352 | ENDDO |
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| 353 | |
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| 354 | ELSEIF ( wind_component == 3 ) THEN |
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| 355 | |
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| 356 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 357 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 358 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 359 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 360 | ) / pt_surface |
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| 361 | ENDDO |
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| 362 | |
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| 363 | ELSE |
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| 364 | |
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[247] | 365 | WRITE( message_string, * ) 'no term for component "',& |
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[1] | 366 | wind_component,'"' |
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[247] | 367 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 368 | |
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| 369 | ENDIF |
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| 370 | |
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| 371 | ENDIF |
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| 372 | |
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| 373 | END SUBROUTINE buoyancy_ij |
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| 374 | |
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| 375 | |
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[96] | 376 | SUBROUTINE calc_mean_profile( var, pr ) |
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[1] | 377 | |
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| 378 | !------------------------------------------------------------------------------! |
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| 379 | ! Description: |
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| 380 | ! ------------ |
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| 381 | ! Calculate the horizontally averaged vertical temperature profile (pr=4 in case |
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| 382 | ! of potential temperature and 44 in case of virtual potential temperature). |
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| 383 | !------------------------------------------------------------------------------! |
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| 384 | |
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| 385 | USE control_parameters |
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| 386 | USE indices |
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| 387 | USE pegrid |
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| 388 | USE statistics |
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| 389 | |
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| 390 | IMPLICIT NONE |
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| 391 | |
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| 392 | INTEGER :: i, j, k, omp_get_thread_num, pr, tn |
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[1010] | 393 | #if defined( __nopointer ) |
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| 394 | REAL, DIMENSION(:,:,:) :: var |
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| 395 | #else |
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| 396 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 397 | #endif |
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[1] | 398 | |
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| 399 | ! |
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[96] | 400 | !-- Computation of the horizontally averaged profile of variable var, unless |
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[1] | 401 | !-- already done by the relevant call from flow_statistics. The calculation |
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| 402 | !-- is done only for the first respective intermediate timestep in order to |
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| 403 | !-- spare communication time and to produce identical model results with jobs |
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| 404 | !-- which are calling flow_statistics at different time intervals. |
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| 405 | IF ( .NOT. flow_statistics_called .AND. & |
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| 406 | intermediate_timestep_count == 1 ) THEN |
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| 407 | |
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| 408 | ! |
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[96] | 409 | !-- Horizontal average of variable var |
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[1] | 410 | tn = 0 ! Default thread number in case of one thread |
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| 411 | !$OMP PARALLEL PRIVATE( i, j, k, tn ) |
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| 412 | !$ tn = omp_get_thread_num() |
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| 413 | sums_l(:,pr,tn) = 0.0 |
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| 414 | !$OMP DO |
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| 415 | DO i = nxl, nxr |
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| 416 | DO j = nys, nyn |
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[132] | 417 | DO k = nzb_s_inner(j,i), nzt+1 |
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[96] | 418 | sums_l(k,pr,tn) = sums_l(k,pr,tn) + var(k,j,i) |
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[1] | 419 | ENDDO |
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| 420 | ENDDO |
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| 421 | ENDDO |
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| 422 | !$OMP END PARALLEL |
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| 423 | |
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| 424 | DO i = 1, threads_per_task-1 |
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| 425 | sums_l(:,pr,0) = sums_l(:,pr,0) + sums_l(:,pr,i) |
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| 426 | ENDDO |
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| 427 | |
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| 428 | #if defined( __parallel ) |
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| 429 | |
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[622] | 430 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1] | 431 | CALL MPI_ALLREDUCE( sums_l(nzb,pr,0), sums(nzb,pr), nzt+2-nzb, & |
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| 432 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
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| 433 | |
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| 434 | #else |
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| 435 | |
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| 436 | sums(:,pr) = sums_l(:,pr,0) |
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| 437 | |
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| 438 | #endif |
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| 439 | |
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[132] | 440 | hom(:,1,pr,0) = sums(:,pr) / ngp_2dh_s_inner(:,0) |
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[1] | 441 | |
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| 442 | ENDIF |
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| 443 | |
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[96] | 444 | END SUBROUTINE calc_mean_profile |
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[1] | 445 | |
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| 446 | END MODULE buoyancy_mod |
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