[1873] | 1 | !> @file lpm_exchange_horiz.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[1036] | 3 | ! This file is part of PALM. |
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| 4 | ! |
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[2000] | 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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[1036] | 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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[2101] | 17 | ! Copyright 1997-2017 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[849] | 20 | ! Current revisions: |
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| 21 | ! ------------------ |
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[2151] | 22 | ! |
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| 23 | ! Bugfix in lpm_move_particle that prevents |
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| 24 | ! false production of additional particles |
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[1930] | 25 | ! |
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| 26 | ! Former revisions: |
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| 27 | ! ----------------- |
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| 28 | ! $Id: lpm_exchange_horiz.f90 2151 2017-02-15 10:42:16Z schwenkel $ |
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| 29 | ! |
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[2001] | 30 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 31 | ! Forced header and separation lines into 80 columns |
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| 32 | ! |
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[1937] | 33 | ! 1936 2016-06-13 13:37:44Z suehring |
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| 34 | ! Deallocation of unused memory |
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| 35 | ! |
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[1930] | 36 | ! 1929 2016-06-09 16:25:25Z suehring |
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[1929] | 37 | ! Bugfixes: |
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| 38 | ! - reallocation of new particles |
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| 39 | ! ( did not work for small number of min_nr_particle ) |
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| 40 | ! - dynamical reallocation of north-south exchange arrays ( particles got lost ) |
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| 41 | ! - north-south exchange ( nr_move_north, nr_move_south were overwritten by zero ) |
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| 42 | ! - horizontal particle boundary conditions in serial mode |
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| 43 | ! |
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| 44 | ! Remove unused variables |
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| 45 | ! Descriptions in variable declaration blocks added |
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[1321] | 46 | ! |
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[1874] | 47 | ! 1873 2016-04-18 14:50:06Z maronga |
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| 48 | ! Module renamed (removed _mod) |
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| 49 | ! |
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| 50 | ! |
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[1851] | 51 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 52 | ! Module renamed |
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| 53 | ! |
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| 54 | ! |
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[1823] | 55 | ! 1822 2016-04-07 07:49:42Z hoffmann |
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| 56 | ! Tails removed. Unused variables removed. |
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| 57 | ! |
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[1784] | 58 | ! 1783 2016-03-06 18:36:17Z raasch |
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| 59 | ! new netcdf-module included |
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| 60 | ! |
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[1692] | 61 | ! 1691 2015-10-26 16:17:44Z maronga |
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| 62 | ! Formatting corrections. |
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| 63 | ! |
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[1686] | 64 | ! 1685 2015-10-08 07:32:13Z raasch |
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| 65 | ! bugfix concerning vertical index offset in case of ocean |
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| 66 | ! |
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[1683] | 67 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 68 | ! Code annotations made doxygen readable |
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| 69 | ! |
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[1360] | 70 | ! 1359 2014-04-11 17:15:14Z hoffmann |
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| 71 | ! New particle structure integrated. |
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| 72 | ! Kind definition added to all floating point numbers. |
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| 73 | ! |
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[1329] | 74 | ! 1327 2014-03-21 11:00:16Z raasch |
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| 75 | ! -netcdf output queries |
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| 76 | ! |
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[1321] | 77 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 78 | ! ONLY-attribute added to USE-statements, |
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| 79 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 80 | ! kinds are defined in new module kinds, |
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| 81 | ! comment fields (!:) to be used for variable explanations added to |
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| 82 | ! all variable declaration statements |
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[849] | 83 | ! |
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[1319] | 84 | ! 1318 2014-03-17 13:35:16Z raasch |
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| 85 | ! module interfaces removed |
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| 86 | ! |
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[1037] | 87 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 88 | ! code put under GPL (PALM 3.9) |
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| 89 | ! |
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[852] | 90 | ! 851 2012-03-15 14:32:58Z raasch |
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| 91 | ! Bugfix: resetting of particle_mask and tail mask moved from end of this |
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| 92 | ! routine to lpm |
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| 93 | ! |
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[850] | 94 | ! 849 2012-03-15 10:35:09Z raasch |
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| 95 | ! initial revision (former part of advec_particles) |
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[849] | 96 | ! |
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[850] | 97 | ! |
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[849] | 98 | ! Description: |
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| 99 | ! ------------ |
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[1822] | 100 | ! Exchange of particles between the subdomains. |
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[849] | 101 | !------------------------------------------------------------------------------! |
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[1682] | 102 | MODULE lpm_exchange_horiz_mod |
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| 103 | |
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[849] | 104 | |
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[1320] | 105 | USE control_parameters, & |
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[1783] | 106 | ONLY: dz, message_string, simulated_time |
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[1320] | 107 | |
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| 108 | USE cpulog, & |
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| 109 | ONLY: cpu_log, log_point_s |
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| 110 | |
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| 111 | USE grid_variables, & |
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| 112 | ONLY: ddx, ddy, dx, dy |
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| 113 | |
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| 114 | USE indices, & |
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[1359] | 115 | ONLY: nx, nxl, nxr, ny, nyn, nys, nzb, nzt |
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[1320] | 116 | |
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| 117 | USE kinds |
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| 118 | |
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[1359] | 119 | USE lpm_pack_arrays_mod, & |
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| 120 | ONLY: lpm_pack_arrays |
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| 121 | |
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[1783] | 122 | USE netcdf_interface, & |
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| 123 | ONLY: netcdf_data_format |
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| 124 | |
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[1320] | 125 | USE particle_attributes, & |
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[1822] | 126 | ONLY: alloc_factor, deleted_particles, grid_particles, & |
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| 127 | ibc_par_lr, ibc_par_ns, min_nr_particle, & |
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| 128 | mpi_particle_type, number_of_particles, & |
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| 129 | offset_ocean_nzt, offset_ocean_nzt_m1, particles, & |
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| 130 | particle_type, prt_count, trlp_count_sum, & |
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[1359] | 131 | trlp_count_recv_sum, trnp_count_sum, trnp_count_recv_sum, & |
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| 132 | trrp_count_sum, trrp_count_recv_sum, trsp_count_sum, & |
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[1822] | 133 | trsp_count_recv_sum, zero_particle |
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[1320] | 134 | |
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[849] | 135 | USE pegrid |
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| 136 | |
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| 137 | IMPLICIT NONE |
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| 138 | |
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[1682] | 139 | INTEGER(iwp), PARAMETER :: NR_2_direction_move = 10000 !< |
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| 140 | INTEGER(iwp) :: nr_move_north !< |
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| 141 | INTEGER(iwp) :: nr_move_south !< |
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[1359] | 142 | |
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[1929] | 143 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: move_also_north |
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| 144 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: move_also_south |
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[1359] | 145 | |
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| 146 | SAVE |
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| 147 | |
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| 148 | PRIVATE |
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[1936] | 149 | PUBLIC lpm_exchange_horiz, lpm_move_particle, realloc_particles_array, & |
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| 150 | dealloc_particles_array |
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[1359] | 151 | |
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| 152 | INTERFACE lpm_exchange_horiz |
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| 153 | MODULE PROCEDURE lpm_exchange_horiz |
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| 154 | END INTERFACE lpm_exchange_horiz |
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| 155 | |
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| 156 | INTERFACE lpm_move_particle |
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| 157 | MODULE PROCEDURE lpm_move_particle |
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| 158 | END INTERFACE lpm_move_particle |
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| 159 | |
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| 160 | INTERFACE realloc_particles_array |
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| 161 | MODULE PROCEDURE realloc_particles_array |
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| 162 | END INTERFACE realloc_particles_array |
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| 163 | |
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[1936] | 164 | INTERFACE dealloc_particles_array |
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| 165 | MODULE PROCEDURE dealloc_particles_array |
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| 166 | END INTERFACE dealloc_particles_array |
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[1359] | 167 | CONTAINS |
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| 168 | |
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[1682] | 169 | !------------------------------------------------------------------------------! |
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| 170 | ! Description: |
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| 171 | ! ------------ |
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| 172 | !> Exchange between subdomains. |
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| 173 | !> As soon as one particle has moved beyond the boundary of the domain, it |
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| 174 | !> is included in the relevant transfer arrays and marked for subsequent |
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| 175 | !> deletion on this PE. |
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| 176 | !> First sweep for crossings in x direction. Find out first the number of |
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| 177 | !> particles to be transferred and allocate temporary arrays needed to store |
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| 178 | !> them. |
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| 179 | !> For a one-dimensional decomposition along y, no transfer is necessary, |
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| 180 | !> because the particle remains on the PE, but the particle coordinate has to |
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| 181 | !> be adjusted. |
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| 182 | !------------------------------------------------------------------------------! |
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[1359] | 183 | SUBROUTINE lpm_exchange_horiz |
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| 184 | |
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| 185 | IMPLICIT NONE |
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| 186 | |
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[1929] | 187 | INTEGER(iwp) :: i !< grid index (x) of particle positition |
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| 188 | INTEGER(iwp) :: ip !< index variable along x |
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| 189 | INTEGER(iwp) :: j !< grid index (y) of particle positition |
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| 190 | INTEGER(iwp) :: jp !< index variable along y |
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| 191 | INTEGER(iwp) :: kp !< index variable along z |
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| 192 | INTEGER(iwp) :: n !< particle index variable |
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| 193 | INTEGER(iwp) :: trlp_count !< number of particles send to left PE |
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| 194 | INTEGER(iwp) :: trlp_count_recv !< number of particles receive from right PE |
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| 195 | INTEGER(iwp) :: trnp_count !< number of particles send to north PE |
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| 196 | INTEGER(iwp) :: trnp_count_recv !< number of particles receive from south PE |
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| 197 | INTEGER(iwp) :: trrp_count !< number of particles send to right PE |
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| 198 | INTEGER(iwp) :: trrp_count_recv !< number of particles receive from left PE |
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| 199 | INTEGER(iwp) :: trsp_count !< number of particles send to south PE |
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| 200 | INTEGER(iwp) :: trsp_count_recv !< number of particles receive from north PE |
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[849] | 201 | |
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[1929] | 202 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: rvlp !< particles received from right PE |
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| 203 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: rvnp !< particles received from south PE |
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| 204 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: rvrp !< particles received from left PE |
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| 205 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: rvsp !< particles received from north PE |
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| 206 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: trlp !< particles send to left PE |
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| 207 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: trnp !< particles send to north PE |
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| 208 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: trrp !< particles send to right PE |
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| 209 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: trsp !< particles send to south PE |
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[849] | 210 | |
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[1359] | 211 | CALL cpu_log( log_point_s(23), 'lpm_exchange_horiz', 'start' ) |
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| 212 | |
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[849] | 213 | #if defined( __parallel ) |
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| 214 | |
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[1822] | 215 | ! |
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| 216 | !-- Exchange between subdomains. |
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| 217 | !-- As soon as one particle has moved beyond the boundary of the domain, it |
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| 218 | !-- is included in the relevant transfer arrays and marked for subsequent |
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| 219 | !-- deletion on this PE. |
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| 220 | !-- First sweep for crossings in x direction. Find out first the number of |
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| 221 | !-- particles to be transferred and allocate temporary arrays needed to store |
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| 222 | !-- them. |
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| 223 | !-- For a one-dimensional decomposition along y, no transfer is necessary, |
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| 224 | !-- because the particle remains on the PE, but the particle coordinate has to |
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| 225 | !-- be adjusted. |
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[849] | 226 | trlp_count = 0 |
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| 227 | trrp_count = 0 |
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| 228 | |
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| 229 | trlp_count_recv = 0 |
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| 230 | trrp_count_recv = 0 |
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| 231 | |
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| 232 | IF ( pdims(1) /= 1 ) THEN |
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| 233 | ! |
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[1359] | 234 | !-- First calculate the storage necessary for sending and receiving the data. |
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| 235 | !-- Compute only first (nxl) and last (nxr) loop iterration. |
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| 236 | DO ip = nxl, nxr, nxr - nxl |
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| 237 | DO jp = nys, nyn |
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| 238 | DO kp = nzb+1, nzt |
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[849] | 239 | |
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[1359] | 240 | number_of_particles = prt_count(kp,jp,ip) |
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| 241 | IF ( number_of_particles <= 0 ) CYCLE |
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| 242 | particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) |
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| 243 | DO n = 1, number_of_particles |
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| 244 | IF ( particles(n)%particle_mask ) THEN |
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| 245 | i = ( particles(n)%x + 0.5_wp * dx ) * ddx |
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[1929] | 246 | ! |
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| 247 | !-- Above calculation does not work for indices less than zero |
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[1359] | 248 | IF ( particles(n)%x < -0.5_wp * dx ) i = -1 |
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| 249 | |
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| 250 | IF ( i < nxl ) THEN |
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| 251 | trlp_count = trlp_count + 1 |
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| 252 | ELSEIF ( i > nxr ) THEN |
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| 253 | trrp_count = trrp_count + 1 |
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| 254 | ENDIF |
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| 255 | ENDIF |
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| 256 | ENDDO |
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| 257 | |
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| 258 | ENDDO |
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| 259 | ENDDO |
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[849] | 260 | ENDDO |
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| 261 | |
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| 262 | IF ( trlp_count == 0 ) trlp_count = 1 |
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| 263 | IF ( trrp_count == 0 ) trrp_count = 1 |
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| 264 | |
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| 265 | ALLOCATE( trlp(trlp_count), trrp(trrp_count) ) |
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| 266 | |
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[1359] | 267 | trlp = zero_particle |
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| 268 | trrp = zero_particle |
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[849] | 269 | |
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| 270 | trlp_count = 0 |
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| 271 | trrp_count = 0 |
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| 272 | |
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| 273 | ENDIF |
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[1359] | 274 | ! |
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| 275 | !-- Compute only first (nxl) and last (nxr) loop iterration |
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[1929] | 276 | DO ip = nxl, nxr, nxr-nxl |
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[1359] | 277 | DO jp = nys, nyn |
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| 278 | DO kp = nzb+1, nzt |
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| 279 | number_of_particles = prt_count(kp,jp,ip) |
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| 280 | IF ( number_of_particles <= 0 ) CYCLE |
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| 281 | particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) |
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| 282 | DO n = 1, number_of_particles |
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| 283 | ! |
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| 284 | !-- Only those particles that have not been marked as 'deleted' may |
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| 285 | !-- be moved. |
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| 286 | IF ( particles(n)%particle_mask ) THEN |
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[849] | 287 | |
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[1359] | 288 | i = ( particles(n)%x + 0.5_wp * dx ) * ddx |
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[1929] | 289 | ! |
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| 290 | !-- Above calculation does not work for indices less than zero |
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[1359] | 291 | IF ( particles(n)%x < - 0.5_wp * dx ) i = -1 |
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[849] | 292 | |
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[1359] | 293 | IF ( i < nxl ) THEN |
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| 294 | IF ( i < 0 ) THEN |
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[1929] | 295 | ! |
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| 296 | !-- Apply boundary condition along x |
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[1359] | 297 | IF ( ibc_par_lr == 0 ) THEN |
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[1929] | 298 | ! |
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| 299 | !-- Cyclic condition |
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[1359] | 300 | IF ( pdims(1) == 1 ) THEN |
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| 301 | particles(n)%x = ( nx + 1 ) * dx + particles(n)%x |
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| 302 | particles(n)%origin_x = ( nx + 1 ) * dx + & |
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| 303 | particles(n)%origin_x |
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| 304 | ELSE |
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| 305 | trlp_count = trlp_count + 1 |
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| 306 | trlp(trlp_count) = particles(n) |
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| 307 | trlp(trlp_count)%x = ( nx + 1 ) * dx + trlp(trlp_count)%x |
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| 308 | trlp(trlp_count)%origin_x = trlp(trlp_count)%origin_x + & |
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| 309 | ( nx + 1 ) * dx |
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| 310 | particles(n)%particle_mask = .FALSE. |
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| 311 | deleted_particles = deleted_particles + 1 |
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[849] | 312 | |
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[1359] | 313 | IF ( trlp(trlp_count)%x >= (nx + 0.5_wp)* dx - 1.0E-12_wp ) THEN |
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| 314 | trlp(trlp_count)%x = trlp(trlp_count)%x - 1.0E-10_wp |
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| 315 | !++ why is 1 subtracted in next statement??? |
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| 316 | trlp(trlp_count)%origin_x = trlp(trlp_count)%origin_x - 1 |
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| 317 | ENDIF |
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[849] | 318 | |
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[1359] | 319 | ENDIF |
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[849] | 320 | |
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[1359] | 321 | ELSEIF ( ibc_par_lr == 1 ) THEN |
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[1929] | 322 | ! |
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| 323 | !-- Particle absorption |
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[1359] | 324 | particles(n)%particle_mask = .FALSE. |
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| 325 | deleted_particles = deleted_particles + 1 |
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[849] | 326 | |
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[1359] | 327 | ELSEIF ( ibc_par_lr == 2 ) THEN |
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[1929] | 328 | ! |
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| 329 | !-- Particle reflection |
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[1359] | 330 | particles(n)%x = -particles(n)%x |
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| 331 | particles(n)%speed_x = -particles(n)%speed_x |
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[849] | 332 | |
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[1359] | 333 | ENDIF |
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| 334 | ELSE |
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[1929] | 335 | ! |
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| 336 | !-- Store particle data in the transfer array, which will be |
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| 337 | !-- send to the neighbouring PE |
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[1359] | 338 | trlp_count = trlp_count + 1 |
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| 339 | trlp(trlp_count) = particles(n) |
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| 340 | particles(n)%particle_mask = .FALSE. |
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| 341 | deleted_particles = deleted_particles + 1 |
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[849] | 342 | |
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[1359] | 343 | ENDIF |
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[849] | 344 | |
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[1359] | 345 | ELSEIF ( i > nxr ) THEN |
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| 346 | IF ( i > nx ) THEN |
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[1929] | 347 | ! |
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| 348 | !-- Apply boundary condition along x |
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[1359] | 349 | IF ( ibc_par_lr == 0 ) THEN |
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[1929] | 350 | ! |
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| 351 | !-- Cyclic condition |
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[1359] | 352 | IF ( pdims(1) == 1 ) THEN |
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| 353 | particles(n)%x = particles(n)%x - ( nx + 1 ) * dx |
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| 354 | particles(n)%origin_x = particles(n)%origin_x - & |
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| 355 | ( nx + 1 ) * dx |
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| 356 | ELSE |
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| 357 | trrp_count = trrp_count + 1 |
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| 358 | trrp(trrp_count) = particles(n) |
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| 359 | trrp(trrp_count)%x = trrp(trrp_count)%x - ( nx + 1 ) * dx |
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| 360 | trrp(trrp_count)%origin_x = trrp(trrp_count)%origin_x - & |
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| 361 | ( nx + 1 ) * dx |
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| 362 | particles(n)%particle_mask = .FALSE. |
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| 363 | deleted_particles = deleted_particles + 1 |
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[849] | 364 | |
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[1359] | 365 | ENDIF |
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[849] | 366 | |
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[1359] | 367 | ELSEIF ( ibc_par_lr == 1 ) THEN |
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[1929] | 368 | ! |
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| 369 | !-- Particle absorption |
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[1359] | 370 | particles(n)%particle_mask = .FALSE. |
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| 371 | deleted_particles = deleted_particles + 1 |
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[849] | 372 | |
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[1359] | 373 | ELSEIF ( ibc_par_lr == 2 ) THEN |
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[1929] | 374 | ! |
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| 375 | !-- Particle reflection |
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[1359] | 376 | particles(n)%x = 2 * ( nx * dx ) - particles(n)%x |
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| 377 | particles(n)%speed_x = -particles(n)%speed_x |
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[849] | 378 | |
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[1359] | 379 | ENDIF |
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| 380 | ELSE |
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[1929] | 381 | ! |
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| 382 | !-- Store particle data in the transfer array, which will be send |
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| 383 | !-- to the neighbouring PE |
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[1359] | 384 | trrp_count = trrp_count + 1 |
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| 385 | trrp(trrp_count) = particles(n) |
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| 386 | particles(n)%particle_mask = .FALSE. |
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| 387 | deleted_particles = deleted_particles + 1 |
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[849] | 388 | |
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[1359] | 389 | ENDIF |
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[849] | 390 | |
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[1359] | 391 | ENDIF |
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| 392 | ENDIF |
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[1929] | 393 | |
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[1359] | 394 | ENDDO |
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| 395 | ENDDO |
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| 396 | ENDDO |
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[849] | 397 | ENDDO |
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| 398 | |
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| 399 | ! |
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[1929] | 400 | !-- Allocate arrays required for north-south exchange, as these |
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| 401 | !-- are used directly after particles are exchange along x-direction. |
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| 402 | ALLOCATE( move_also_north(1:NR_2_direction_move) ) |
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| 403 | ALLOCATE( move_also_south(1:NR_2_direction_move) ) |
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| 404 | |
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| 405 | nr_move_north = 0 |
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| 406 | nr_move_south = 0 |
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| 407 | ! |
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[849] | 408 | !-- Send left boundary, receive right boundary (but first exchange how many |
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| 409 | !-- and check, if particle storage must be extended) |
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| 410 | IF ( pdims(1) /= 1 ) THEN |
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| 411 | |
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| 412 | CALL MPI_SENDRECV( trlp_count, 1, MPI_INTEGER, pleft, 0, & |
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| 413 | trrp_count_recv, 1, MPI_INTEGER, pright, 0, & |
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| 414 | comm2d, status, ierr ) |
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| 415 | |
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[1359] | 416 | ALLOCATE(rvrp(MAX(1,trrp_count_recv))) |
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[849] | 417 | |
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[1359] | 418 | CALL MPI_SENDRECV( trlp(1)%radius, max(1,trlp_count), mpi_particle_type,& |
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| 419 | pleft, 1, rvrp(1)%radius, & |
---|
| 420 | max(1,trrp_count_recv), mpi_particle_type, pright, 1,& |
---|
[849] | 421 | comm2d, status, ierr ) |
---|
| 422 | |
---|
[1359] | 423 | IF ( trrp_count_recv > 0 ) CALL Add_particles_to_gridcell(rvrp(1:trrp_count_recv)) |
---|
| 424 | |
---|
| 425 | DEALLOCATE(rvrp) |
---|
| 426 | |
---|
[849] | 427 | ! |
---|
| 428 | !-- Send right boundary, receive left boundary |
---|
| 429 | CALL MPI_SENDRECV( trrp_count, 1, MPI_INTEGER, pright, 0, & |
---|
| 430 | trlp_count_recv, 1, MPI_INTEGER, pleft, 0, & |
---|
| 431 | comm2d, status, ierr ) |
---|
| 432 | |
---|
[1359] | 433 | ALLOCATE(rvlp(MAX(1,trlp_count_recv))) |
---|
[849] | 434 | |
---|
[1359] | 435 | CALL MPI_SENDRECV( trrp(1)%radius, max(1,trrp_count), mpi_particle_type,& |
---|
| 436 | pright, 1, rvlp(1)%radius, & |
---|
| 437 | max(1,trlp_count_recv), mpi_particle_type, pleft, 1, & |
---|
[849] | 438 | comm2d, status, ierr ) |
---|
| 439 | |
---|
[1359] | 440 | IF ( trlp_count_recv > 0 ) CALL Add_particles_to_gridcell(rvlp(1:trlp_count_recv)) |
---|
| 441 | |
---|
[1822] | 442 | DEALLOCATE( rvlp ) |
---|
[1359] | 443 | DEALLOCATE( trlp, trrp ) |
---|
[849] | 444 | |
---|
| 445 | ENDIF |
---|
| 446 | |
---|
| 447 | ! |
---|
| 448 | !-- Check whether particles have crossed the boundaries in y direction. Note |
---|
| 449 | !-- that this case can also apply to particles that have just been received |
---|
| 450 | !-- from the adjacent right or left PE. |
---|
| 451 | !-- Find out first the number of particles to be transferred and allocate |
---|
| 452 | !-- temporary arrays needed to store them. |
---|
[1929] | 453 | !-- For a one-dimensional decomposition along y, no transfer is necessary, |
---|
[849] | 454 | !-- because the particle remains on the PE. |
---|
[1359] | 455 | trsp_count = nr_move_south |
---|
| 456 | trnp_count = nr_move_north |
---|
[849] | 457 | |
---|
| 458 | trsp_count_recv = 0 |
---|
| 459 | trnp_count_recv = 0 |
---|
| 460 | |
---|
| 461 | IF ( pdims(2) /= 1 ) THEN |
---|
| 462 | ! |
---|
| 463 | !-- First calculate the storage necessary for sending and receiving the |
---|
| 464 | !-- data |
---|
[1359] | 465 | DO ip = nxl, nxr |
---|
[1929] | 466 | DO jp = nys, nyn, nyn-nys !compute only first (nys) and last (nyn) loop iterration |
---|
[1359] | 467 | DO kp = nzb+1, nzt |
---|
| 468 | number_of_particles = prt_count(kp,jp,ip) |
---|
| 469 | IF ( number_of_particles <= 0 ) CYCLE |
---|
| 470 | particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) |
---|
| 471 | DO n = 1, number_of_particles |
---|
| 472 | IF ( particles(n)%particle_mask ) THEN |
---|
| 473 | j = ( particles(n)%y + 0.5_wp * dy ) * ddy |
---|
[849] | 474 | ! |
---|
[1359] | 475 | !-- Above calculation does not work for indices less than zero |
---|
| 476 | IF ( particles(n)%y < -0.5_wp * dy ) j = -1 |
---|
[849] | 477 | |
---|
[1359] | 478 | IF ( j < nys ) THEN |
---|
| 479 | trsp_count = trsp_count + 1 |
---|
| 480 | ELSEIF ( j > nyn ) THEN |
---|
| 481 | trnp_count = trnp_count + 1 |
---|
| 482 | ENDIF |
---|
| 483 | ENDIF |
---|
| 484 | ENDDO |
---|
| 485 | ENDDO |
---|
| 486 | ENDDO |
---|
[849] | 487 | ENDDO |
---|
| 488 | |
---|
| 489 | IF ( trsp_count == 0 ) trsp_count = 1 |
---|
| 490 | IF ( trnp_count == 0 ) trnp_count = 1 |
---|
| 491 | |
---|
| 492 | ALLOCATE( trsp(trsp_count), trnp(trnp_count) ) |
---|
| 493 | |
---|
[1359] | 494 | trsp = zero_particle |
---|
| 495 | trnp = zero_particle |
---|
[849] | 496 | |
---|
[1359] | 497 | trsp_count = nr_move_south |
---|
| 498 | trnp_count = nr_move_north |
---|
[1929] | 499 | |
---|
[1359] | 500 | trsp(1:nr_move_south) = move_also_south(1:nr_move_south) |
---|
| 501 | trnp(1:nr_move_north) = move_also_north(1:nr_move_north) |
---|
| 502 | |
---|
[849] | 503 | ENDIF |
---|
| 504 | |
---|
[1359] | 505 | DO ip = nxl, nxr |
---|
| 506 | DO jp = nys, nyn, nyn-nys ! compute only first (nys) and last (nyn) loop iterration |
---|
| 507 | DO kp = nzb+1, nzt |
---|
| 508 | number_of_particles = prt_count(kp,jp,ip) |
---|
| 509 | IF ( number_of_particles <= 0 ) CYCLE |
---|
| 510 | particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) |
---|
| 511 | DO n = 1, number_of_particles |
---|
[849] | 512 | ! |
---|
[1359] | 513 | !-- Only those particles that have not been marked as 'deleted' may |
---|
| 514 | !-- be moved. |
---|
| 515 | IF ( particles(n)%particle_mask ) THEN |
---|
[1929] | 516 | |
---|
[1359] | 517 | j = ( particles(n)%y + 0.5_wp * dy ) * ddy |
---|
[849] | 518 | ! |
---|
[1359] | 519 | !-- Above calculation does not work for indices less than zero |
---|
| 520 | IF ( particles(n)%y < -0.5_wp * dy ) j = -1 |
---|
[849] | 521 | |
---|
[1359] | 522 | IF ( j < nys ) THEN |
---|
| 523 | IF ( j < 0 ) THEN |
---|
[849] | 524 | ! |
---|
[1359] | 525 | !-- Apply boundary condition along y |
---|
| 526 | IF ( ibc_par_ns == 0 ) THEN |
---|
[849] | 527 | ! |
---|
[1359] | 528 | !-- Cyclic condition |
---|
| 529 | IF ( pdims(2) == 1 ) THEN |
---|
| 530 | particles(n)%y = ( ny + 1 ) * dy + particles(n)%y |
---|
| 531 | particles(n)%origin_y = ( ny + 1 ) * dy + & |
---|
[1929] | 532 | particles(n)%origin_y |
---|
[1359] | 533 | ELSE |
---|
[1929] | 534 | trsp_count = trsp_count + 1 |
---|
| 535 | trsp(trsp_count) = particles(n) |
---|
[1359] | 536 | trsp(trsp_count)%y = ( ny + 1 ) * dy + & |
---|
[1929] | 537 | trsp(trsp_count)%y |
---|
[1359] | 538 | trsp(trsp_count)%origin_y = trsp(trsp_count)%origin_y & |
---|
[1929] | 539 | + ( ny + 1 ) * dy |
---|
[1359] | 540 | particles(n)%particle_mask = .FALSE. |
---|
| 541 | deleted_particles = deleted_particles + 1 |
---|
[849] | 542 | |
---|
[1359] | 543 | IF ( trsp(trsp_count)%y >= (ny+0.5_wp)* dy - 1.0E-12_wp ) THEN |
---|
| 544 | trsp(trsp_count)%y = trsp(trsp_count)%y - 1.0E-10_wp |
---|
| 545 | !++ why is 1 subtracted in next statement??? |
---|
| 546 | trsp(trsp_count)%origin_y = & |
---|
[1929] | 547 | trsp(trsp_count)%origin_y - 1 |
---|
[1359] | 548 | ENDIF |
---|
[849] | 549 | |
---|
[1359] | 550 | ENDIF |
---|
[849] | 551 | |
---|
[1359] | 552 | ELSEIF ( ibc_par_ns == 1 ) THEN |
---|
[849] | 553 | ! |
---|
[1359] | 554 | !-- Particle absorption |
---|
| 555 | particles(n)%particle_mask = .FALSE. |
---|
[1929] | 556 | deleted_particles = deleted_particles + 1 |
---|
[849] | 557 | |
---|
[1359] | 558 | ELSEIF ( ibc_par_ns == 2 ) THEN |
---|
[849] | 559 | ! |
---|
[1359] | 560 | !-- Particle reflection |
---|
| 561 | particles(n)%y = -particles(n)%y |
---|
| 562 | particles(n)%speed_y = -particles(n)%speed_y |
---|
[849] | 563 | |
---|
[1359] | 564 | ENDIF |
---|
| 565 | ELSE |
---|
[849] | 566 | ! |
---|
[1359] | 567 | !-- Store particle data in the transfer array, which will |
---|
| 568 | !-- be send to the neighbouring PE |
---|
| 569 | trsp_count = trsp_count + 1 |
---|
| 570 | trsp(trsp_count) = particles(n) |
---|
| 571 | particles(n)%particle_mask = .FALSE. |
---|
| 572 | deleted_particles = deleted_particles + 1 |
---|
[849] | 573 | |
---|
[1359] | 574 | ENDIF |
---|
[849] | 575 | |
---|
[1359] | 576 | ELSEIF ( j > nyn ) THEN |
---|
| 577 | IF ( j > ny ) THEN |
---|
[849] | 578 | ! |
---|
[1929] | 579 | !-- Apply boundary condition along y |
---|
[1359] | 580 | IF ( ibc_par_ns == 0 ) THEN |
---|
[849] | 581 | ! |
---|
[1359] | 582 | !-- Cyclic condition |
---|
| 583 | IF ( pdims(2) == 1 ) THEN |
---|
[1929] | 584 | particles(n)%y = particles(n)%y - ( ny + 1 ) * dy |
---|
[1359] | 585 | particles(n)%origin_y = & |
---|
[1929] | 586 | particles(n)%origin_y - ( ny + 1 ) * dy |
---|
[1359] | 587 | ELSE |
---|
[1929] | 588 | trnp_count = trnp_count + 1 |
---|
| 589 | trnp(trnp_count) = particles(n) |
---|
[1359] | 590 | trnp(trnp_count)%y = & |
---|
[1929] | 591 | trnp(trnp_count)%y - ( ny + 1 ) * dy |
---|
[1359] | 592 | trnp(trnp_count)%origin_y = & |
---|
[1929] | 593 | trnp(trnp_count)%origin_y - ( ny + 1 ) * dy |
---|
[1359] | 594 | particles(n)%particle_mask = .FALSE. |
---|
[1929] | 595 | deleted_particles = deleted_particles + 1 |
---|
[1359] | 596 | ENDIF |
---|
[849] | 597 | |
---|
[1359] | 598 | ELSEIF ( ibc_par_ns == 1 ) THEN |
---|
[849] | 599 | ! |
---|
[1359] | 600 | !-- Particle absorption |
---|
| 601 | particles(n)%particle_mask = .FALSE. |
---|
| 602 | deleted_particles = deleted_particles + 1 |
---|
[849] | 603 | |
---|
[1359] | 604 | ELSEIF ( ibc_par_ns == 2 ) THEN |
---|
[849] | 605 | ! |
---|
[1359] | 606 | !-- Particle reflection |
---|
| 607 | particles(n)%y = 2 * ( ny * dy ) - particles(n)%y |
---|
| 608 | particles(n)%speed_y = -particles(n)%speed_y |
---|
[849] | 609 | |
---|
[1359] | 610 | ENDIF |
---|
| 611 | ELSE |
---|
[849] | 612 | ! |
---|
[1359] | 613 | !-- Store particle data in the transfer array, which will |
---|
| 614 | !-- be send to the neighbouring PE |
---|
| 615 | trnp_count = trnp_count + 1 |
---|
| 616 | trnp(trnp_count) = particles(n) |
---|
| 617 | particles(n)%particle_mask = .FALSE. |
---|
| 618 | deleted_particles = deleted_particles + 1 |
---|
[849] | 619 | |
---|
[1359] | 620 | ENDIF |
---|
| 621 | |
---|
| 622 | ENDIF |
---|
[849] | 623 | ENDIF |
---|
[1359] | 624 | ENDDO |
---|
| 625 | ENDDO |
---|
| 626 | ENDDO |
---|
[849] | 627 | ENDDO |
---|
| 628 | |
---|
| 629 | ! |
---|
| 630 | !-- Send front boundary, receive back boundary (but first exchange how many |
---|
| 631 | !-- and check, if particle storage must be extended) |
---|
| 632 | IF ( pdims(2) /= 1 ) THEN |
---|
| 633 | |
---|
| 634 | CALL MPI_SENDRECV( trsp_count, 1, MPI_INTEGER, psouth, 0, & |
---|
| 635 | trnp_count_recv, 1, MPI_INTEGER, pnorth, 0, & |
---|
| 636 | comm2d, status, ierr ) |
---|
| 637 | |
---|
[1359] | 638 | ALLOCATE(rvnp(MAX(1,trnp_count_recv))) |
---|
[1929] | 639 | |
---|
[1359] | 640 | CALL MPI_SENDRECV( trsp(1)%radius, trsp_count, mpi_particle_type, & |
---|
| 641 | psouth, 1, rvnp(1)%radius, & |
---|
[849] | 642 | trnp_count_recv, mpi_particle_type, pnorth, 1, & |
---|
| 643 | comm2d, status, ierr ) |
---|
| 644 | |
---|
[1359] | 645 | IF ( trnp_count_recv > 0 ) CALL Add_particles_to_gridcell(rvnp(1:trnp_count_recv)) |
---|
| 646 | |
---|
| 647 | DEALLOCATE(rvnp) |
---|
| 648 | |
---|
[849] | 649 | ! |
---|
| 650 | !-- Send back boundary, receive front boundary |
---|
| 651 | CALL MPI_SENDRECV( trnp_count, 1, MPI_INTEGER, pnorth, 0, & |
---|
| 652 | trsp_count_recv, 1, MPI_INTEGER, psouth, 0, & |
---|
| 653 | comm2d, status, ierr ) |
---|
| 654 | |
---|
[1359] | 655 | ALLOCATE(rvsp(MAX(1,trsp_count_recv))) |
---|
[849] | 656 | |
---|
[1359] | 657 | CALL MPI_SENDRECV( trnp(1)%radius, trnp_count, mpi_particle_type, & |
---|
| 658 | pnorth, 1, rvsp(1)%radius, & |
---|
[849] | 659 | trsp_count_recv, mpi_particle_type, psouth, 1, & |
---|
| 660 | comm2d, status, ierr ) |
---|
| 661 | |
---|
[1359] | 662 | IF ( trsp_count_recv > 0 ) CALL Add_particles_to_gridcell(rvsp(1:trsp_count_recv)) |
---|
| 663 | |
---|
| 664 | DEALLOCATE(rvsp) |
---|
| 665 | |
---|
[849] | 666 | number_of_particles = number_of_particles + trsp_count_recv |
---|
| 667 | |
---|
| 668 | DEALLOCATE( trsp, trnp ) |
---|
| 669 | |
---|
| 670 | ENDIF |
---|
| 671 | |
---|
[1929] | 672 | DEALLOCATE( move_also_north ) |
---|
| 673 | DEALLOCATE( move_also_south ) |
---|
| 674 | |
---|
[849] | 675 | #else |
---|
| 676 | |
---|
[1929] | 677 | DO ip = nxl, nxr, nxr-nxl |
---|
| 678 | DO jp = nys, nyn |
---|
| 679 | DO kp = nzb+1, nzt |
---|
| 680 | number_of_particles = prt_count(kp,jp,ip) |
---|
| 681 | IF ( number_of_particles <= 0 ) CYCLE |
---|
| 682 | particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) |
---|
| 683 | DO n = 1, number_of_particles |
---|
[849] | 684 | ! |
---|
[1929] | 685 | !-- Apply boundary conditions |
---|
[849] | 686 | |
---|
[1929] | 687 | IF ( particles(n)%x < -0.5_wp * dx ) THEN |
---|
[849] | 688 | |
---|
[1929] | 689 | IF ( ibc_par_lr == 0 ) THEN |
---|
[849] | 690 | ! |
---|
[1929] | 691 | !-- Cyclic boundary. Relevant coordinate has to be changed. |
---|
| 692 | particles(n)%x = ( nx + 1 ) * dx + particles(n)%x |
---|
[1822] | 693 | |
---|
[1929] | 694 | ELSEIF ( ibc_par_lr == 1 ) THEN |
---|
[849] | 695 | ! |
---|
[1929] | 696 | !-- Particle absorption |
---|
| 697 | particles(n)%particle_mask = .FALSE. |
---|
| 698 | deleted_particles = deleted_particles + 1 |
---|
[1822] | 699 | |
---|
[1929] | 700 | ELSEIF ( ibc_par_lr == 2 ) THEN |
---|
[849] | 701 | ! |
---|
[1929] | 702 | !-- Particle reflection |
---|
| 703 | particles(n)%x = -dx - particles(n)%x |
---|
| 704 | particles(n)%speed_x = -particles(n)%speed_x |
---|
| 705 | ENDIF |
---|
[849] | 706 | |
---|
[1929] | 707 | ELSEIF ( particles(n)%x >= ( nx + 0.5_wp ) * dx ) THEN |
---|
[849] | 708 | |
---|
[1929] | 709 | IF ( ibc_par_lr == 0 ) THEN |
---|
[849] | 710 | ! |
---|
[1929] | 711 | !-- Cyclic boundary. Relevant coordinate has to be changed. |
---|
| 712 | particles(n)%x = particles(n)%x - ( nx + 1 ) * dx |
---|
[1822] | 713 | |
---|
[1929] | 714 | ELSEIF ( ibc_par_lr == 1 ) THEN |
---|
[849] | 715 | ! |
---|
[1929] | 716 | !-- Particle absorption |
---|
| 717 | particles(n)%particle_mask = .FALSE. |
---|
| 718 | deleted_particles = deleted_particles + 1 |
---|
[1822] | 719 | |
---|
[1929] | 720 | ELSEIF ( ibc_par_lr == 2 ) THEN |
---|
[849] | 721 | ! |
---|
[1929] | 722 | !-- Particle reflection |
---|
| 723 | particles(n)%x = ( nx + 1 ) * dx - particles(n)%x |
---|
| 724 | particles(n)%speed_x = -particles(n)%speed_x |
---|
| 725 | ENDIF |
---|
[849] | 726 | |
---|
[1929] | 727 | ENDIF |
---|
| 728 | ENDDO |
---|
| 729 | ENDDO |
---|
| 730 | ENDDO |
---|
| 731 | ENDDO |
---|
[849] | 732 | |
---|
[1929] | 733 | DO ip = nxl, nxr |
---|
| 734 | DO jp = nys, nyn, nyn-nys |
---|
| 735 | DO kp = nzb+1, nzt |
---|
| 736 | number_of_particles = prt_count(kp,jp,ip) |
---|
| 737 | IF ( number_of_particles <= 0 ) CYCLE |
---|
| 738 | particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) |
---|
| 739 | DO n = 1, number_of_particles |
---|
[849] | 740 | |
---|
[1929] | 741 | IF ( particles(n)%y < -0.5_wp * dy ) THEN |
---|
| 742 | |
---|
| 743 | IF ( ibc_par_ns == 0 ) THEN |
---|
[849] | 744 | ! |
---|
[1929] | 745 | !-- Cyclic boundary. Relevant coordinate has to be changed. |
---|
| 746 | particles(n)%y = ( ny + 1 ) * dy + particles(n)%y |
---|
[1822] | 747 | |
---|
[1929] | 748 | ELSEIF ( ibc_par_ns == 1 ) THEN |
---|
[849] | 749 | ! |
---|
[1929] | 750 | !-- Particle absorption |
---|
| 751 | particles(n)%particle_mask = .FALSE. |
---|
| 752 | deleted_particles = deleted_particles + 1 |
---|
[1822] | 753 | |
---|
[1929] | 754 | ELSEIF ( ibc_par_ns == 2 ) THEN |
---|
[849] | 755 | ! |
---|
[1929] | 756 | !-- Particle reflection |
---|
| 757 | particles(n)%y = -dy - particles(n)%y |
---|
| 758 | particles(n)%speed_y = -particles(n)%speed_y |
---|
| 759 | ENDIF |
---|
[849] | 760 | |
---|
[1929] | 761 | ELSEIF ( particles(n)%y >= ( ny + 0.5_wp ) * dy ) THEN |
---|
[849] | 762 | |
---|
[1929] | 763 | IF ( ibc_par_ns == 0 ) THEN |
---|
[849] | 764 | ! |
---|
[1929] | 765 | !-- Cyclic boundary. Relevant coordinate has to be changed. |
---|
| 766 | particles(n)%y = particles(n)%y - ( ny + 1 ) * dy |
---|
[1822] | 767 | |
---|
[1929] | 768 | ELSEIF ( ibc_par_ns == 1 ) THEN |
---|
[849] | 769 | ! |
---|
[1929] | 770 | !-- Particle absorption |
---|
| 771 | particles(n)%particle_mask = .FALSE. |
---|
| 772 | deleted_particles = deleted_particles + 1 |
---|
[1822] | 773 | |
---|
[1929] | 774 | ELSEIF ( ibc_par_ns == 2 ) THEN |
---|
[849] | 775 | ! |
---|
[1929] | 776 | !-- Particle reflection |
---|
| 777 | particles(n)%y = ( ny + 1 ) * dy - particles(n)%y |
---|
| 778 | particles(n)%speed_y = -particles(n)%speed_y |
---|
| 779 | ENDIF |
---|
[849] | 780 | |
---|
[1929] | 781 | ENDIF |
---|
| 782 | |
---|
| 783 | ENDDO |
---|
| 784 | ENDDO |
---|
| 785 | ENDDO |
---|
[849] | 786 | ENDDO |
---|
| 787 | #endif |
---|
| 788 | |
---|
| 789 | ! |
---|
| 790 | !-- Accumulate the number of particles transferred between the subdomains |
---|
| 791 | #if defined( __parallel ) |
---|
| 792 | trlp_count_sum = trlp_count_sum + trlp_count |
---|
| 793 | trlp_count_recv_sum = trlp_count_recv_sum + trlp_count_recv |
---|
| 794 | trrp_count_sum = trrp_count_sum + trrp_count |
---|
| 795 | trrp_count_recv_sum = trrp_count_recv_sum + trrp_count_recv |
---|
| 796 | trsp_count_sum = trsp_count_sum + trsp_count |
---|
| 797 | trsp_count_recv_sum = trsp_count_recv_sum + trsp_count_recv |
---|
| 798 | trnp_count_sum = trnp_count_sum + trnp_count |
---|
| 799 | trnp_count_recv_sum = trnp_count_recv_sum + trnp_count_recv |
---|
| 800 | #endif |
---|
| 801 | |
---|
[1359] | 802 | CALL cpu_log( log_point_s(23), 'lpm_exchange_horiz', 'stop' ) |
---|
[849] | 803 | |
---|
| 804 | END SUBROUTINE lpm_exchange_horiz |
---|
[1359] | 805 | |
---|
[1682] | 806 | !------------------------------------------------------------------------------! |
---|
| 807 | ! Description: |
---|
| 808 | ! ------------ |
---|
| 809 | !> If a particle moves from one processor to another, this subroutine moves |
---|
| 810 | !> the corresponding elements from the particle arrays of the old grid cells |
---|
| 811 | !> to the particle arrays of the new grid cells. |
---|
| 812 | !------------------------------------------------------------------------------! |
---|
[1359] | 813 | SUBROUTINE Add_particles_to_gridcell (particle_array) |
---|
| 814 | |
---|
| 815 | IMPLICIT NONE |
---|
| 816 | |
---|
[1929] | 817 | INTEGER(iwp) :: ip !< grid index (x) of particle |
---|
| 818 | INTEGER(iwp) :: jp !< grid index (x) of particle |
---|
| 819 | INTEGER(iwp) :: kp !< grid index (x) of particle |
---|
| 820 | INTEGER(iwp) :: n !< index variable of particle |
---|
| 821 | INTEGER(iwp) :: pindex !< dummy argument for new number of particles per grid box |
---|
[1359] | 822 | |
---|
[1682] | 823 | LOGICAL :: pack_done !< |
---|
[1359] | 824 | |
---|
[1929] | 825 | TYPE(particle_type), DIMENSION(:), INTENT(IN) :: particle_array !< new particles in a grid box |
---|
| 826 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: temp_ns !< temporary particle array for reallocation |
---|
[1359] | 827 | |
---|
| 828 | pack_done = .FALSE. |
---|
| 829 | |
---|
[1929] | 830 | DO n = 1, SIZE(particle_array) |
---|
[1359] | 831 | |
---|
[1929] | 832 | IF ( .NOT. particle_array(n)%particle_mask ) CYCLE |
---|
| 833 | |
---|
[1359] | 834 | ip = ( particle_array(n)%x + 0.5_wp * dx ) * ddx |
---|
| 835 | jp = ( particle_array(n)%y + 0.5_wp * dy ) * ddy |
---|
[1929] | 836 | kp = particle_array(n)%z / dz + 1 + offset_ocean_nzt |
---|
[1359] | 837 | |
---|
| 838 | IF ( ip >= nxl .AND. ip <= nxr .AND. jp >= nys .AND. jp <= nyn & |
---|
| 839 | .AND. kp >= nzb+1 .AND. kp <= nzt) THEN ! particle stays on processor |
---|
| 840 | number_of_particles = prt_count(kp,jp,ip) |
---|
| 841 | particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) |
---|
| 842 | |
---|
| 843 | pindex = prt_count(kp,jp,ip)+1 |
---|
| 844 | IF( pindex > SIZE(grid_particles(kp,jp,ip)%particles) ) THEN |
---|
| 845 | IF ( pack_done ) THEN |
---|
| 846 | CALL realloc_particles_array (ip,jp,kp) |
---|
| 847 | ELSE |
---|
| 848 | CALL lpm_pack_arrays |
---|
| 849 | prt_count(kp,jp,ip) = number_of_particles |
---|
| 850 | pindex = prt_count(kp,jp,ip)+1 |
---|
| 851 | IF ( pindex > SIZE(grid_particles(kp,jp,ip)%particles) ) THEN |
---|
| 852 | CALL realloc_particles_array (ip,jp,kp) |
---|
| 853 | ENDIF |
---|
| 854 | pack_done = .TRUE. |
---|
| 855 | ENDIF |
---|
| 856 | ENDIF |
---|
| 857 | grid_particles(kp,jp,ip)%particles(pindex) = particle_array(n) |
---|
| 858 | prt_count(kp,jp,ip) = pindex |
---|
| 859 | ELSE |
---|
[1929] | 860 | IF ( jp <= nys - 1 ) THEN |
---|
[1359] | 861 | nr_move_south = nr_move_south+1 |
---|
[1929] | 862 | ! |
---|
| 863 | !-- Before particle information is swapped to exchange-array, check |
---|
| 864 | !-- if enough memory is allocated. If required, reallocate exchange |
---|
| 865 | !-- array. |
---|
| 866 | IF ( nr_move_south > SIZE(move_also_south) ) THEN |
---|
| 867 | ! |
---|
| 868 | !-- At first, allocate further temporary array to swap particle |
---|
| 869 | !-- information. |
---|
| 870 | ALLOCATE( temp_ns(SIZE(move_also_south)+NR_2_direction_move) ) |
---|
| 871 | temp_ns(1:nr_move_south-1) = move_also_south(1:nr_move_south-1) |
---|
| 872 | DEALLOCATE( move_also_south ) |
---|
| 873 | ALLOCATE( move_also_south(SIZE(temp_ns)) ) |
---|
| 874 | move_also_south(1:nr_move_south-1) = temp_ns(1:nr_move_south-1) |
---|
| 875 | DEALLOCATE( temp_ns ) |
---|
| 876 | |
---|
| 877 | ENDIF |
---|
| 878 | |
---|
[1359] | 879 | move_also_south(nr_move_south) = particle_array(n) |
---|
[1929] | 880 | |
---|
[1359] | 881 | IF ( jp == -1 ) THEN |
---|
| 882 | move_also_south(nr_move_south)%y = & |
---|
| 883 | move_also_south(nr_move_south)%y + ( ny + 1 ) * dy |
---|
| 884 | move_also_south(nr_move_south)%origin_y = & |
---|
| 885 | move_also_south(nr_move_south)%origin_y + ( ny + 1 ) * dy |
---|
| 886 | ENDIF |
---|
[1929] | 887 | ELSEIF ( jp >= nyn+1 ) THEN |
---|
[1359] | 888 | nr_move_north = nr_move_north+1 |
---|
[1929] | 889 | ! |
---|
| 890 | !-- Before particle information is swapped to exchange-array, check |
---|
| 891 | !-- if enough memory is allocated. If required, reallocate exchange |
---|
| 892 | !-- array. |
---|
| 893 | IF ( nr_move_north > SIZE(move_also_north) ) THEN |
---|
| 894 | ! |
---|
| 895 | !-- At first, allocate further temporary array to swap particle |
---|
| 896 | !-- information. |
---|
| 897 | ALLOCATE( temp_ns(SIZE(move_also_north)+NR_2_direction_move) ) |
---|
| 898 | temp_ns(1:nr_move_north-1) = move_also_south(1:nr_move_north-1) |
---|
| 899 | DEALLOCATE( move_also_north ) |
---|
| 900 | ALLOCATE( move_also_north(SIZE(temp_ns)) ) |
---|
| 901 | move_also_north(1:nr_move_north-1) = temp_ns(1:nr_move_north-1) |
---|
| 902 | DEALLOCATE( temp_ns ) |
---|
| 903 | |
---|
| 904 | ENDIF |
---|
| 905 | |
---|
[1359] | 906 | move_also_north(nr_move_north) = particle_array(n) |
---|
| 907 | IF ( jp == ny+1 ) THEN |
---|
| 908 | move_also_north(nr_move_north)%y = & |
---|
| 909 | move_also_north(nr_move_north)%y - ( ny + 1 ) * dy |
---|
| 910 | move_also_north(nr_move_north)%origin_y = & |
---|
| 911 | move_also_north(nr_move_north)%origin_y - ( ny + 1 ) * dy |
---|
| 912 | ENDIF |
---|
| 913 | ELSE |
---|
| 914 | WRITE(0,'(a,8i7)') 'particle out of range ',myid,ip,jp,kp,nxl,nxr,nys,nyn |
---|
| 915 | ENDIF |
---|
| 916 | ENDIF |
---|
| 917 | ENDDO |
---|
| 918 | |
---|
| 919 | RETURN |
---|
| 920 | |
---|
| 921 | END SUBROUTINE Add_particles_to_gridcell |
---|
| 922 | |
---|
| 923 | |
---|
| 924 | |
---|
| 925 | |
---|
[1682] | 926 | !------------------------------------------------------------------------------! |
---|
| 927 | ! Description: |
---|
| 928 | ! ------------ |
---|
| 929 | !> If a particle moves from one grid cell to another (on the current |
---|
| 930 | !> processor!), this subroutine moves the corresponding element from the |
---|
| 931 | !> particle array of the old grid cell to the particle array of the new grid |
---|
| 932 | !> cell. |
---|
| 933 | !------------------------------------------------------------------------------! |
---|
[1359] | 934 | SUBROUTINE lpm_move_particle |
---|
| 935 | |
---|
| 936 | IMPLICIT NONE |
---|
| 937 | |
---|
[1929] | 938 | INTEGER(iwp) :: i !< grid index (x) of particle position |
---|
| 939 | INTEGER(iwp) :: ip !< index variable along x |
---|
| 940 | INTEGER(iwp) :: j !< grid index (y) of particle position |
---|
| 941 | INTEGER(iwp) :: jp !< index variable along y |
---|
| 942 | INTEGER(iwp) :: k !< grid index (z) of particle position |
---|
| 943 | INTEGER(iwp) :: kp !< index variable along z |
---|
| 944 | INTEGER(iwp) :: n !< index variable for particle array |
---|
| 945 | INTEGER(iwp) :: np_old_cell !< number of particles per grid box before moving |
---|
| 946 | INTEGER(iwp) :: n_start !< start index |
---|
| 947 | INTEGER(iwp) :: pindex !< dummy argument for number of new particle per grid box |
---|
[1359] | 948 | |
---|
[1682] | 949 | LOGICAL :: pack_done !< |
---|
[1359] | 950 | |
---|
[1929] | 951 | TYPE(particle_type), DIMENSION(:), POINTER :: particles_old_cell !< particles before moving |
---|
[1359] | 952 | |
---|
| 953 | CALL cpu_log( log_point_s(41), 'lpm_move_particle', 'start' ) |
---|
| 954 | |
---|
| 955 | DO ip = nxl, nxr |
---|
| 956 | DO jp = nys, nyn |
---|
| 957 | DO kp = nzb+1, nzt |
---|
| 958 | |
---|
| 959 | np_old_cell = prt_count(kp,jp,ip) |
---|
| 960 | IF ( np_old_cell <= 0 ) CYCLE |
---|
| 961 | particles_old_cell => grid_particles(kp,jp,ip)%particles(1:np_old_cell) |
---|
| 962 | n_start = -1 |
---|
| 963 | |
---|
| 964 | DO n = 1, np_old_cell |
---|
| 965 | i = ( particles_old_cell(n)%x + 0.5_wp * dx ) * ddx |
---|
| 966 | j = ( particles_old_cell(n)%y + 0.5_wp * dy ) * ddy |
---|
| 967 | k = particles_old_cell(n)%z / dz + 1 + offset_ocean_nzt |
---|
| 968 | ! |
---|
| 969 | !-- Check, if particle has moved to another grid cell. |
---|
| 970 | IF ( i /= ip .OR. j /= jp .OR. k /= kp ) THEN |
---|
| 971 | ! |
---|
| 972 | !-- The particle has moved to another grid cell. Now check, if |
---|
| 973 | !-- particle stays on the same processor. |
---|
| 974 | IF ( i >= nxl .AND. i <= nxr .AND. j >= nys .AND. & |
---|
| 975 | j <= nyn .AND. k >= nzb+1 .AND. k <= nzt) THEN |
---|
| 976 | ! |
---|
| 977 | !-- If the particle stays on the same processor, the particle |
---|
| 978 | !-- will be added to the particle array of the new processor. |
---|
| 979 | number_of_particles = prt_count(k,j,i) |
---|
| 980 | particles => grid_particles(k,j,i)%particles(1:number_of_particles) |
---|
| 981 | |
---|
| 982 | pindex = prt_count(k,j,i)+1 |
---|
| 983 | IF ( pindex > SIZE(grid_particles(k,j,i)%particles) ) & |
---|
| 984 | THEN |
---|
| 985 | n_start = n |
---|
| 986 | EXIT |
---|
| 987 | ENDIF |
---|
| 988 | |
---|
| 989 | grid_particles(k,j,i)%particles(pindex) = particles_old_cell(n) |
---|
| 990 | prt_count(k,j,i) = pindex |
---|
| 991 | |
---|
| 992 | particles_old_cell(n)%particle_mask = .FALSE. |
---|
| 993 | ENDIF |
---|
| 994 | ENDIF |
---|
| 995 | ENDDO |
---|
| 996 | |
---|
[1691] | 997 | IF ( n_start >= 0 ) THEN |
---|
[1359] | 998 | pack_done = .FALSE. |
---|
| 999 | DO n = n_start, np_old_cell |
---|
| 1000 | i = ( particles_old_cell(n)%x + 0.5_wp * dx ) * ddx |
---|
| 1001 | j = ( particles_old_cell(n)%y + 0.5_wp * dy ) * ddy |
---|
| 1002 | k = particles_old_cell(n)%z / dz + 1 + offset_ocean_nzt |
---|
| 1003 | IF ( i /= ip .OR. j /= jp .OR. k /= kp ) THEN |
---|
| 1004 | ! |
---|
| 1005 | !-- Particle is in different box |
---|
| 1006 | IF ( i >= nxl .AND. i <= nxr .AND. j >= nys .AND. & |
---|
| 1007 | j <= nyn .AND. k >= nzb+1 .AND. k <= nzt) THEN |
---|
| 1008 | ! |
---|
| 1009 | !-- Particle stays on processor |
---|
| 1010 | number_of_particles = prt_count(k,j,i) |
---|
| 1011 | particles => grid_particles(k,j,i)%particles(1:number_of_particles) |
---|
| 1012 | |
---|
| 1013 | pindex = prt_count(k,j,i)+1 |
---|
| 1014 | IF ( pindex > SIZE(grid_particles(k,j,i)%particles) ) & |
---|
| 1015 | THEN |
---|
| 1016 | IF ( pack_done ) THEN |
---|
| 1017 | CALL realloc_particles_array(i,j,k) |
---|
| 1018 | ELSE |
---|
| 1019 | CALL lpm_pack_arrays |
---|
| 1020 | prt_count(k,j,i) = number_of_particles |
---|
| 1021 | ! |
---|
[2151] | 1022 | !-- Set pindex to next index of the modified |
---|
| 1023 | !-- particle-array (due to lpm_pack_arrays) |
---|
| 1024 | pindex = prt_count(k,j,i)+1 |
---|
| 1025 | ! |
---|
[1359] | 1026 | !-- If number of particles in the new grid box |
---|
| 1027 | !-- exceeds its allocated memory, the particle array |
---|
| 1028 | !-- will be reallocated |
---|
| 1029 | IF ( pindex > SIZE(grid_particles(k,j,i)%particles) ) THEN |
---|
| 1030 | CALL realloc_particles_array(i,j,k) |
---|
| 1031 | ENDIF |
---|
| 1032 | |
---|
| 1033 | pack_done = .TRUE. |
---|
| 1034 | ENDIF |
---|
| 1035 | ENDIF |
---|
| 1036 | |
---|
| 1037 | grid_particles(k,j,i)%particles(pindex) = particles_old_cell(n) |
---|
| 1038 | prt_count(k,j,i) = pindex |
---|
| 1039 | |
---|
| 1040 | particles_old_cell(n)%particle_mask = .FALSE. |
---|
| 1041 | ENDIF |
---|
| 1042 | ENDIF |
---|
| 1043 | ENDDO |
---|
| 1044 | ENDIF |
---|
| 1045 | ENDDO |
---|
| 1046 | ENDDO |
---|
| 1047 | ENDDO |
---|
| 1048 | |
---|
| 1049 | CALL cpu_log( log_point_s(41), 'lpm_move_particle', 'stop' ) |
---|
| 1050 | |
---|
| 1051 | RETURN |
---|
| 1052 | |
---|
| 1053 | END SUBROUTINE lpm_move_particle |
---|
| 1054 | |
---|
[1682] | 1055 | !------------------------------------------------------------------------------! |
---|
| 1056 | ! Description: |
---|
| 1057 | ! ------------ |
---|
[1929] | 1058 | !> If the allocated memory for the particle array do not suffice to add arriving |
---|
| 1059 | !> particles from neighbour grid cells, this subrouting reallocates the |
---|
| 1060 | !> particle array to assure enough memory is available. |
---|
[1682] | 1061 | !------------------------------------------------------------------------------! |
---|
[1359] | 1062 | SUBROUTINE realloc_particles_array (i,j,k,size_in) |
---|
| 1063 | |
---|
| 1064 | IMPLICIT NONE |
---|
| 1065 | |
---|
[1682] | 1066 | INTEGER(iwp), INTENT(in) :: i !< |
---|
| 1067 | INTEGER(iwp), INTENT(in) :: j !< |
---|
| 1068 | INTEGER(iwp), INTENT(in) :: k !< |
---|
[1822] | 1069 | INTEGER(iwp), INTENT(in), OPTIONAL :: size_in !< |
---|
[1359] | 1070 | |
---|
[1682] | 1071 | INTEGER(iwp) :: old_size !< |
---|
| 1072 | INTEGER(iwp) :: new_size !< |
---|
| 1073 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: tmp_particles_d !< |
---|
| 1074 | TYPE(particle_type), DIMENSION(500) :: tmp_particles_s !< |
---|
[1359] | 1075 | |
---|
| 1076 | old_size = SIZE(grid_particles(k,j,i)%particles) |
---|
| 1077 | |
---|
| 1078 | IF ( PRESENT(size_in) ) THEN |
---|
| 1079 | new_size = size_in |
---|
| 1080 | ELSE |
---|
[1822] | 1081 | new_size = old_size * ( 1.0_wp + alloc_factor / 100.0_wp ) |
---|
[1359] | 1082 | ENDIF |
---|
| 1083 | |
---|
[1929] | 1084 | new_size = MAX( new_size, min_nr_particle, old_size + 1 ) |
---|
[1359] | 1085 | |
---|
| 1086 | IF ( old_size <= 500 ) THEN |
---|
| 1087 | |
---|
| 1088 | tmp_particles_s(1:old_size) = grid_particles(k,j,i)%particles(1:old_size) |
---|
| 1089 | |
---|
| 1090 | DEALLOCATE(grid_particles(k,j,i)%particles) |
---|
| 1091 | ALLOCATE(grid_particles(k,j,i)%particles(new_size)) |
---|
| 1092 | |
---|
| 1093 | grid_particles(k,j,i)%particles(1:old_size) = tmp_particles_s(1:old_size) |
---|
| 1094 | grid_particles(k,j,i)%particles(old_size+1:new_size) = zero_particle |
---|
| 1095 | |
---|
| 1096 | ELSE |
---|
| 1097 | |
---|
| 1098 | ALLOCATE(tmp_particles_d(new_size)) |
---|
| 1099 | tmp_particles_d(1:old_size) = grid_particles(k,j,i)%particles |
---|
| 1100 | |
---|
| 1101 | DEALLOCATE(grid_particles(k,j,i)%particles) |
---|
| 1102 | ALLOCATE(grid_particles(k,j,i)%particles(new_size)) |
---|
| 1103 | |
---|
| 1104 | grid_particles(k,j,i)%particles(1:old_size) = tmp_particles_d(1:old_size) |
---|
| 1105 | grid_particles(k,j,i)%particles(old_size+1:new_size) = zero_particle |
---|
| 1106 | |
---|
| 1107 | DEALLOCATE(tmp_particles_d) |
---|
| 1108 | |
---|
| 1109 | ENDIF |
---|
| 1110 | particles => grid_particles(k,j,i)%particles(1:number_of_particles) |
---|
| 1111 | |
---|
| 1112 | RETURN |
---|
| 1113 | END SUBROUTINE realloc_particles_array |
---|
| 1114 | |
---|
[1936] | 1115 | |
---|
| 1116 | |
---|
| 1117 | |
---|
| 1118 | |
---|
| 1119 | SUBROUTINE dealloc_particles_array |
---|
| 1120 | |
---|
| 1121 | IMPLICIT NONE |
---|
| 1122 | |
---|
| 1123 | INTEGER(iwp) :: i |
---|
| 1124 | INTEGER(iwp) :: j |
---|
| 1125 | INTEGER(iwp) :: k |
---|
| 1126 | INTEGER(iwp) :: old_size !< |
---|
| 1127 | INTEGER(iwp) :: new_size !< |
---|
| 1128 | |
---|
| 1129 | LOGICAL :: dealloc |
---|
| 1130 | |
---|
| 1131 | TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: tmp_particles_d !< |
---|
| 1132 | TYPE(particle_type), DIMENSION(500) :: tmp_particles_s !< |
---|
| 1133 | |
---|
| 1134 | DO i = nxl, nxr |
---|
| 1135 | DO j = nys, nyn |
---|
| 1136 | DO k = nzb+1, nzt |
---|
| 1137 | ! |
---|
| 1138 | !-- Determine number of active particles |
---|
| 1139 | number_of_particles = prt_count(k,j,i) |
---|
| 1140 | ! |
---|
| 1141 | !-- Determine allocated memory size |
---|
| 1142 | old_size = SIZE( grid_particles(k,j,i)%particles ) |
---|
| 1143 | ! |
---|
| 1144 | !-- Check for large unused memory |
---|
| 1145 | dealloc = ( ( number_of_particles < min_nr_particle .AND. & |
---|
| 1146 | old_size > min_nr_particle ) .OR. & |
---|
| 1147 | ( number_of_particles > min_nr_particle .AND. & |
---|
| 1148 | old_size - number_of_particles * & |
---|
| 1149 | ( 1.0_wp + 0.01_wp * alloc_factor ) > 0.0_wp ) ) |
---|
| 1150 | |
---|
| 1151 | |
---|
| 1152 | IF ( dealloc ) THEN |
---|
| 1153 | IF ( number_of_particles < min_nr_particle ) THEN |
---|
| 1154 | new_size = min_nr_particle |
---|
| 1155 | ELSE |
---|
| 1156 | new_size = INT( number_of_particles * ( 1.0_wp + 0.01_wp * alloc_factor ) ) |
---|
| 1157 | ENDIF |
---|
| 1158 | |
---|
| 1159 | IF ( number_of_particles <= 500 ) THEN |
---|
| 1160 | |
---|
| 1161 | tmp_particles_s(1:number_of_particles) = grid_particles(k,j,i)%particles(1:number_of_particles) |
---|
| 1162 | |
---|
| 1163 | DEALLOCATE(grid_particles(k,j,i)%particles) |
---|
| 1164 | ALLOCATE(grid_particles(k,j,i)%particles(new_size)) |
---|
| 1165 | |
---|
| 1166 | grid_particles(k,j,i)%particles(1:number_of_particles) = tmp_particles_s(1:number_of_particles) |
---|
| 1167 | grid_particles(k,j,i)%particles(number_of_particles+1:new_size) = zero_particle |
---|
| 1168 | |
---|
| 1169 | ELSE |
---|
| 1170 | |
---|
| 1171 | ALLOCATE(tmp_particles_d(number_of_particles)) |
---|
| 1172 | tmp_particles_d(1:number_of_particles) = grid_particles(k,j,i)%particles(1:number_of_particles) |
---|
| 1173 | |
---|
| 1174 | DEALLOCATE(grid_particles(k,j,i)%particles) |
---|
| 1175 | ALLOCATE(grid_particles(k,j,i)%particles(new_size)) |
---|
| 1176 | |
---|
| 1177 | grid_particles(k,j,i)%particles(1:number_of_particles) = tmp_particles_d(1:number_of_particles) |
---|
| 1178 | grid_particles(k,j,i)%particles(number_of_particles+1:new_size) = zero_particle |
---|
| 1179 | |
---|
| 1180 | DEALLOCATE(tmp_particles_d) |
---|
| 1181 | |
---|
| 1182 | ENDIF |
---|
| 1183 | |
---|
| 1184 | ENDIF |
---|
| 1185 | ENDDO |
---|
| 1186 | ENDDO |
---|
| 1187 | ENDDO |
---|
| 1188 | |
---|
| 1189 | END SUBROUTINE dealloc_particles_array |
---|
| 1190 | |
---|
| 1191 | |
---|
[1359] | 1192 | END MODULE lpm_exchange_horiz_mod |
---|