1 | !> @file lpm_pack_arrays.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 terms |
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6 | ! of the GNU General Public License as published by the Free Software Foundation, |
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7 | ! either version 3 of the License, or (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 |
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10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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11 | ! A PARTICULAR PURPOSE. See the GNU General 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 |
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14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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15 | ! |
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16 | ! Copyright 1997-2016 Leibniz Universitaet Hannover |
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17 | !--------------------------------------------------------------------------------! |
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18 | ! |
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19 | ! Current revisions: |
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20 | ! ------------------ |
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21 | ! |
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22 | ! |
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23 | ! Former revisions: |
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24 | ! ----------------- |
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25 | ! $Id: lpm_pack_arrays.f90 1823 2016-04-07 08:57:52Z raasch $ |
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26 | ! |
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27 | ! 1822 2016-04-07 07:49:42Z hoffmann |
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28 | ! Tails removed. Unused variables removed. |
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29 | ! |
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30 | ! 1685 2015-10-08 07:32:13Z raasch |
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31 | ! bugfix concerning vertical index calculation in case of ocean |
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32 | ! |
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33 | ! 1682 2015-10-07 23:56:08Z knoop |
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34 | ! Code annotations made doxygen readable |
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35 | ! |
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36 | ! 1359 2014-04-11 17:15:14Z hoffmann |
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37 | ! New particle structure integrated. |
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38 | ! Kind definition added to all floating point numbers. |
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39 | ! |
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40 | ! 1320 2014-03-20 08:40:49Z raasch |
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41 | ! ONLY-attribute added to USE-statements, |
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42 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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43 | ! kinds are defined in new module kinds, |
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44 | ! comment fields (!:) to be used for variable explanations added to |
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45 | ! all variable declaration statements |
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46 | ! |
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47 | ! 1036 2012-10-22 13:43:42Z raasch |
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48 | ! code put under GPL (PALM 3.9) |
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49 | ! |
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50 | ! 849 2012-03-15 10:35:09Z raasch |
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51 | ! initial revision (former part of advec_particles) |
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52 | ! |
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53 | ! |
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54 | ! Description: |
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55 | ! ------------ |
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56 | !> Pack particle arrays, which means eliminate those elements marked for |
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57 | !> deletion and move data with higher index values to these free indices. |
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58 | !> Determine the new number of particles. |
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59 | !------------------------------------------------------------------------------! |
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60 | MODULE lpm_pack_arrays_mod |
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61 | |
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62 | |
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63 | USE particle_attributes, & |
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64 | ONLY: grid_particles, number_of_particles, offset_ocean_nzt, & |
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65 | particles, particle_type, prt_count |
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66 | |
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67 | PRIVATE |
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68 | PUBLIC lpm_pack_all_arrays, lpm_pack_arrays |
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69 | |
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70 | INTERFACE lpm_pack_all_arrays |
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71 | MODULE PROCEDURE lpm_pack_all_arrays |
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72 | END INTERFACE lpm_pack_all_arrays |
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73 | |
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74 | INTERFACE lpm_pack_arrays |
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75 | MODULE PROCEDURE lpm_pack_arrays |
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76 | END INTERFACE lpm_pack_arrays |
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77 | |
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78 | CONTAINS |
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79 | |
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80 | !------------------------------------------------------------------------------! |
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81 | ! Description: |
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82 | ! ------------ |
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83 | !> @todo Missing subroutine description. |
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84 | !------------------------------------------------------------------------------! |
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85 | SUBROUTINE lpm_pack_all_arrays |
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86 | |
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87 | USE cpulog, & |
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88 | ONLY: cpu_log, log_point_s |
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89 | |
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90 | USE indices, & |
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91 | ONLY: nxl, nxr, nys, nyn, nzb, nzt |
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92 | |
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93 | USE kinds |
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94 | |
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95 | IMPLICIT NONE |
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96 | |
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97 | INTEGER(iwp) :: i !< |
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98 | INTEGER(iwp) :: j !< |
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99 | INTEGER(iwp) :: k !< |
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100 | |
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101 | CALL cpu_log( log_point_s(51), 'lpm_pack_all_arrays', 'start' ) |
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102 | DO i = nxl, nxr |
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103 | DO j = nys, nyn |
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104 | DO k = nzb+1, nzt |
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105 | number_of_particles = prt_count(k,j,i) |
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106 | IF ( number_of_particles <= 0 ) CYCLE |
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107 | particles => grid_particles(k,j,i)%particles(1:number_of_particles) |
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108 | CALL lpm_pack_and_sort(i,j,k) |
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109 | prt_count(k,j,i) = number_of_particles |
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110 | ENDDO |
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111 | ENDDO |
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112 | ENDDO |
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113 | CALL cpu_log( log_point_s(51), 'lpm_pack_all_arrays', 'stop' ) |
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114 | RETURN |
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115 | |
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116 | END SUBROUTINE lpm_pack_all_arrays |
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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 | !> @todo Missing subroutine description. |
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122 | !------------------------------------------------------------------------------! |
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123 | SUBROUTINE lpm_pack_arrays |
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124 | |
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125 | USE kinds |
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126 | |
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127 | IMPLICIT NONE |
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128 | |
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129 | INTEGER(iwp) :: n !< |
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130 | INTEGER(iwp) :: nn !< |
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131 | ! |
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132 | !-- Find out elements marked for deletion and move data from highest index |
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133 | !-- values to these free indices |
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134 | nn = number_of_particles |
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135 | |
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136 | DO WHILE ( .NOT. particles(nn)%particle_mask ) |
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137 | nn = nn-1 |
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138 | IF ( nn == 0 ) EXIT |
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139 | ENDDO |
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140 | |
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141 | IF ( nn > 0 ) THEN |
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142 | DO n = 1, number_of_particles |
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143 | IF ( .NOT. particles(n)%particle_mask ) THEN |
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144 | particles(n) = particles(nn) |
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145 | nn = nn - 1 |
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146 | DO WHILE ( .NOT. particles(nn)%particle_mask ) |
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147 | nn = nn-1 |
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148 | IF ( n == nn ) EXIT |
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149 | ENDDO |
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150 | ENDIF |
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151 | IF ( n == nn ) EXIT |
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152 | ENDDO |
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153 | ENDIF |
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154 | |
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155 | ! |
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156 | !-- The number of deleted particles has been determined in routines |
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157 | !-- lpm_boundary_conds, lpm_droplet_collision, and lpm_exchange_horiz |
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158 | number_of_particles = nn |
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159 | |
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160 | END SUBROUTINE lpm_pack_arrays |
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161 | |
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162 | !------------------------------------------------------------------------------! |
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163 | ! Description: |
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164 | ! ------------ |
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165 | !> @todo Missing subroutine description. |
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166 | !------------------------------------------------------------------------------! |
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167 | SUBROUTINE lpm_pack_and_sort (ip,jp,kp) |
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168 | |
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169 | USE control_parameters, & |
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170 | ONLY: dz |
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171 | |
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172 | USE kinds |
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173 | |
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174 | USE grid_variables, & |
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175 | ONLY: ddx, ddy |
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176 | |
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177 | IMPLICIT NONE |
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178 | |
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179 | INTEGER(iwp), INTENT(IN) :: ip |
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180 | INTEGER(iwp), INTENT(IN) :: jp |
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181 | INTEGER(iwp), INTENT(IN) :: kp |
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182 | |
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183 | INTEGER(iwp) :: i |
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184 | INTEGER(iwp) :: is |
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185 | INTEGER(iwp) :: j |
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186 | INTEGER(iwp) :: k |
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187 | INTEGER(iwp) :: n |
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188 | INTEGER(iwp) :: nn |
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189 | INTEGER(iwp) :: m |
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190 | INTEGER(iwp) :: sort_index |
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191 | |
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192 | INTEGER(iwp), DIMENSION(0:7) :: sort_count |
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193 | |
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194 | TYPE(particle_type), DIMENSION(number_of_particles,0:7) :: sort_particles |
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195 | |
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196 | nn = 0 |
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197 | sort_count = 0 |
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198 | |
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199 | DO n = 1, number_of_particles |
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200 | sort_index = 0 |
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201 | |
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202 | IF ( particles(n)%particle_mask ) THEN |
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203 | nn = nn + 1 |
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204 | i = particles(n)%x * ddx |
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205 | j = particles(n)%y * ddy |
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206 | k = ( particles(n)%z + 0.5_wp * dz ) / dz + offset_ocean_nzt |
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207 | IF ( i == ip ) sort_index = sort_index+4 |
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208 | IF ( j == jp ) sort_index = sort_index+2 |
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209 | IF ( k == kp ) sort_index = sort_index+1 |
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210 | sort_count(sort_index) = sort_count(sort_index)+1 |
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211 | m = sort_count(sort_index) |
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212 | sort_particles(m,sort_index) = particles(n) |
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213 | sort_particles(m,sort_index)%block_nr = sort_index |
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214 | ENDIF |
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215 | |
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216 | ENDDO |
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217 | |
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218 | nn = 0 |
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219 | |
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220 | DO is = 0,7 |
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221 | grid_particles(kp,jp,ip)%start_index(is) = nn + 1 |
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222 | DO n = 1,sort_count(is) |
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223 | nn = nn+1 |
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224 | particles(nn) = sort_particles(n,is) |
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225 | ENDDO |
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226 | grid_particles(kp,jp,ip)%end_index(is) = nn |
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227 | ENDDO |
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228 | |
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229 | number_of_particles = nn |
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230 | RETURN |
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231 | |
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232 | END SUBROUTINE lpm_pack_and_sort |
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233 | |
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234 | |
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235 | END module lpm_pack_arrays_mod |
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