1 | !> @file calc_mean_profile.f90 |
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2 | !--------------------------------------------------------------------------------------------------! |
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3 | ! This file is part of the PALM model system. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General |
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6 | ! Public License as published by the Free Software Foundation, either version 3 of the License, or |
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7 | ! (at your option) any later version. |
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8 | ! |
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9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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10 | ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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11 | ! Public License for more details. |
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12 | ! |
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13 | ! You should have received a copy of the GNU General Public License along with PALM. If not, see |
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14 | ! <http://www.gnu.org/licenses/>. |
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15 | ! |
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16 | ! |
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17 | ! Copyright 1997-2021 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: calc_mean_profile.f90 4828 2021-01-05 11:21:41Z banzhafs $ |
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27 | ! Bugfix for last commit |
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28 | ! |
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29 | ! 4743 2020-10-14 16:40:58Z suehring |
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30 | ! Add option to force calculation of horizontal mean profiles independent on data output |
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31 | ! |
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32 | ! 4542 2020-05-19 15:45:12Z raasch |
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33 | ! file re-formatted to follow the PALM coding standard |
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34 | ! |
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35 | ! 4360 2020-01-07 11:25:50Z suehring |
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36 | ! Introduction of wall_flags_total_0, which currently sets bits based on static |
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37 | ! topography information used in wall_flags_static_0 |
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38 | ! |
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39 | ! 4329 2019-12-10 15:46:36Z motisi |
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40 | ! Renamed wall_flags_0 to wall_flags_static_0 |
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41 | ! |
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42 | ! 4182 2019-08-22 15:20:23Z scharf |
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43 | ! Corrected "Former revisions" section |
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44 | ! |
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45 | ! 3655 2019-01-07 16:51:22Z knoop |
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46 | ! nopointer option removed |
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47 | ! |
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48 | ! 1365 2014-04-22 15:03:56Z boeske |
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49 | ! Initial revision |
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50 | ! |
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51 | ! Description: |
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52 | ! ------------ |
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53 | !> Calculate the horizontally averaged vertical temperature profile (pr=4 in case |
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54 | !> of potential temperature, 44 in case of virtual potential temperature, and 64 |
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55 | !> in case of density (ocean runs)). |
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56 | !------------------------------------------------------------------------------! |
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57 | MODULE calc_mean_profile_mod |
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58 | |
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59 | |
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60 | PRIVATE |
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61 | PUBLIC calc_mean_profile |
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62 | |
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63 | INTERFACE calc_mean_profile |
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64 | MODULE PROCEDURE calc_mean_profile |
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65 | END INTERFACE calc_mean_profile |
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66 | |
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67 | CONTAINS |
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68 | |
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69 | !--------------------------------------------------------------------------------------------------! |
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70 | ! Description: |
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71 | ! ------------ |
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72 | !> @todo Missing subroutine description. |
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73 | !--------------------------------------------------------------------------------------------------! |
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74 | SUBROUTINE calc_mean_profile( var, pr, force_calc ) |
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75 | |
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76 | USE control_parameters, & |
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77 | ONLY: intermediate_timestep_count |
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78 | |
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79 | USE indices, & |
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80 | ONLY: ngp_2dh_s_inner, nxl, nxr, nyn, nys, nzb, nzb, nzt, wall_flags_total_0 |
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81 | |
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82 | USE kinds |
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83 | |
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84 | USE pegrid |
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85 | |
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86 | USE statistics, & |
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87 | ONLY: flow_statistics_called, hom, sums, sums_l |
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88 | |
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89 | |
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90 | IMPLICIT NONE |
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91 | |
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92 | LOGICAL, OPTIONAL :: force_calc !< passed flag used to force calculation of mean profiles independend on data output |
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93 | LOGICAL :: force_calc_l = .FALSE. !< control flag |
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94 | |
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95 | INTEGER(iwp) :: i !< |
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96 | INTEGER(iwp) :: j !< |
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97 | INTEGER(iwp) :: k !< |
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98 | INTEGER(iwp) :: pr !< |
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99 | !$ INTEGER(iwp) :: omp_get_thread_num !< |
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100 | INTEGER(iwp) :: tn !< |
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101 | |
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102 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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103 | |
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104 | ! |
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105 | !-- Computation of the horizontally averaged profile of variable var, unless already done by the |
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106 | !-- relevant call from flow_statistics. The calculation is done only for the first respective |
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107 | !-- intermediate timestep in order to spare communication time and to produce identical model |
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108 | !-- results with jobs which are calling flow_statistics at different time intervals. At |
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109 | !-- initialization, intermediate_timestep_count = 0 is considered as well. |
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110 | !-- Note, calc_mean_profile is also called from the radiation. Especially during the spinup when |
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111 | !-- no data output is called, the values in hom do not necessarily reflect horizontal mean. |
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112 | !-- The same is also for nested simulations during the spinup, where hom is initialized on a |
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113 | !-- ealier point in time than the initialization via the parent domain takes place, meaning |
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114 | !-- that hom does not necessarily reflect the horizontal mean during the spinup, too. |
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115 | !-- In order to force the computation of horizontal mean profiles independent on data output, |
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116 | !-- i.e. independent on flow_statistics, add a special control flag. |
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117 | IF ( PRESENT( force_calc ) ) THEN |
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118 | force_calc_l = force_calc |
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119 | ELSE |
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120 | force_calc_l = .FALSE. |
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121 | ENDIF |
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122 | |
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123 | IF ( ( .NOT. flow_statistics_called .AND. intermediate_timestep_count <= 1 ) .OR. & |
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124 | force_calc_l ) THEN |
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125 | |
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126 | ! |
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127 | !-- Horizontal average of variable var |
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128 | tn = 0 ! Default thread number in case of one thread |
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129 | !$OMP PARALLEL PRIVATE( i, j, k, tn ) |
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130 | !$ tn = omp_get_thread_num() |
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131 | sums_l(:,pr,tn) = 0.0_wp |
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132 | !$OMP DO |
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133 | DO i = nxl, nxr |
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134 | DO j = nys, nyn |
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135 | DO k = nzb, nzt+1 |
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136 | sums_l(k,pr,tn) = sums_l(k,pr,tn) + var(k,j,i) * MERGE( 1.0_wp, 0.0_wp, & |
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137 | BTEST( wall_flags_total_0(k,j,i), 22 ) ) |
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138 | ENDDO |
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139 | ENDDO |
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140 | ENDDO |
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141 | !$OMP END PARALLEL |
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142 | |
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143 | DO i = 1, threads_per_task-1 |
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144 | sums_l(:,pr,0) = sums_l(:,pr,0) + sums_l(:,pr,i) |
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145 | ENDDO |
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146 | |
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147 | #if defined( __parallel ) |
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148 | |
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149 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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150 | CALL MPI_ALLREDUCE( sums_l(nzb,pr,0), sums(nzb,pr), nzt+2-nzb, MPI_REAL, MPI_SUM, comm2d,& |
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151 | ierr ) |
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152 | |
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153 | #else |
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154 | |
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155 | sums(:,pr) = sums_l(:,pr,0) |
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156 | |
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157 | #endif |
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158 | |
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159 | DO k = nzb, nzt+1 |
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160 | IF ( ngp_2dh_s_inner(k,0) /= 0 ) THEN |
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161 | hom(k,1,pr,0) = sums(k,pr) / ngp_2dh_s_inner(k,0) |
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162 | ENDIF |
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163 | ENDDO |
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164 | |
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165 | ENDIF |
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166 | |
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167 | |
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168 | END SUBROUTINE calc_mean_profile |
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169 | |
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170 | END MODULE calc_mean_profile_mod |
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