[849] | 1 | SUBROUTINE lpm_boundary_conds( range ) |
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[58] | 2 | |
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[1036] | 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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[1310] | 17 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
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[1036] | 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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[484] | 20 | ! Current revisions: |
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[58] | 21 | ! ----------------- |
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[1359] | 22 | ! New particle structure integrated. |
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| 23 | ! Kind definition added to all floating point numbers. |
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[1321] | 24 | ! |
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| 25 | ! Former revisions: |
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| 26 | ! ----------------- |
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| 27 | ! $Id: lpm_boundary_conds.f90 1359 2014-04-11 17:15:14Z hoffmann $ |
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| 28 | ! |
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| 29 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 30 | ! ONLY-attribute added to USE-statements, |
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| 31 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 32 | ! kinds are defined in new module kinds, |
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| 33 | ! revision history before 2012 removed, |
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| 34 | ! comment fields (!:) to be used for variable explanations added to |
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| 35 | ! all variable declaration statements |
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[58] | 36 | ! |
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[1037] | 37 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 38 | ! code put under GPL (PALM 3.9) |
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| 39 | ! |
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[850] | 40 | ! 849 2012-03-15 10:35:09Z raasch |
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| 41 | ! routine renamed lpm_boundary_conds, bottom and top boundary conditions |
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| 42 | ! included (former part of advec_particles) |
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| 43 | ! |
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[826] | 44 | ! 824 2012-02-17 09:09:57Z raasch |
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| 45 | ! particle attributes speed_x|y|z_sgs renamed rvar1|2|3 |
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| 46 | ! |
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[58] | 47 | ! Initial version (2007/03/09) |
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| 48 | ! |
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| 49 | ! Description: |
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| 50 | ! ------------ |
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[849] | 51 | ! Boundary conditions for the Lagrangian particles. |
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| 52 | ! The routine consists of two different parts. One handles the bottom (flat) |
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| 53 | ! and top boundary. In this part, also particles which exceeded their lifetime |
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| 54 | ! are deleted. |
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| 55 | ! The other part handles the reflection of particles from vertical walls. |
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| 56 | ! This part was developed by Jin Zhang during 2006-2007. |
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| 57 | ! |
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[61] | 58 | ! To do: Code structure for finding the t_index values and for checking the |
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[849] | 59 | ! ----- reflection conditions is basically the same for all four cases, so it |
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[61] | 60 | ! should be possible to further simplify/shorten it. |
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[849] | 61 | ! |
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| 62 | ! THE WALLS PART OF THIS ROUTINE HAS NOT BEEN TESTED FOR OCEAN RUNS SO FAR!!!! |
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| 63 | ! (see offset_ocean_*) |
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[58] | 64 | !------------------------------------------------------------------------------! |
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| 65 | |
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[1320] | 66 | USE arrays_3d, & |
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| 67 | ONLY: zu, zw |
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[58] | 68 | |
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[1320] | 69 | USE control_parameters, & |
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[1359] | 70 | ONLY: dz, message_string, particle_maximum_age, simulated_time |
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[58] | 71 | |
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[1320] | 72 | USE cpulog, & |
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| 73 | ONLY: cpu_log, log_point_s |
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[849] | 74 | |
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[1320] | 75 | USE grid_variables, & |
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| 76 | ONLY: ddx, dx, ddy, dy |
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[58] | 77 | |
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[1320] | 78 | USE indices, & |
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| 79 | ONLY: nxl, nxr, nyn, nys, nz, nzb_s_inner |
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[61] | 80 | |
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[1320] | 81 | USE kinds |
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[58] | 82 | |
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[1320] | 83 | USE particle_attributes, & |
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| 84 | ONLY: deleted_particles, deleted_tails, ibc_par_b, ibc_par_t, & |
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[1359] | 85 | number_of_particles, particles, & |
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[1320] | 86 | particle_tail_coordinates, particle_type, offset_ocean_nzt_m1, & |
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| 87 | tail_mask, use_particle_tails, use_sgs_for_particles |
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[60] | 88 | |
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[1320] | 89 | USE pegrid |
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[58] | 90 | |
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[1320] | 91 | IMPLICIT NONE |
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[58] | 92 | |
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[1320] | 93 | CHARACTER (LEN=*) :: range !: |
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| 94 | |
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| 95 | INTEGER(iwp) :: i !: |
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| 96 | INTEGER(iwp) :: inc !: |
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| 97 | INTEGER(iwp) :: ir !: |
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| 98 | INTEGER(iwp) :: i1 !: |
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| 99 | INTEGER(iwp) :: i2 !: |
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| 100 | INTEGER(iwp) :: i3 !: |
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| 101 | INTEGER(iwp) :: i5 !: |
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| 102 | INTEGER(iwp) :: j !: |
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| 103 | INTEGER(iwp) :: jr !: |
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| 104 | INTEGER(iwp) :: j1 !: |
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| 105 | INTEGER(iwp) :: j2 !: |
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| 106 | INTEGER(iwp) :: j3 !: |
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| 107 | INTEGER(iwp) :: j5 !: |
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| 108 | INTEGER(iwp) :: k !: |
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| 109 | INTEGER(iwp) :: k1 !: |
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| 110 | INTEGER(iwp) :: k2 !: |
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| 111 | INTEGER(iwp) :: k3 !: |
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| 112 | INTEGER(iwp) :: k5 !: |
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| 113 | INTEGER(iwp) :: n !: |
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| 114 | INTEGER(iwp) :: nn !: |
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| 115 | INTEGER(iwp) :: t_index !: |
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| 116 | INTEGER(iwp) :: t_index_number !: |
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| 117 | |
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| 118 | LOGICAL :: reflect_x !: |
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| 119 | LOGICAL :: reflect_y !: |
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| 120 | LOGICAL :: reflect_z !: |
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| 121 | |
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| 122 | REAL(wp) :: dt_particle !: |
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| 123 | REAL(wp) :: pos_x !: |
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| 124 | REAL(wp) :: pos_x_old !: |
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| 125 | REAL(wp) :: pos_y !: |
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| 126 | REAL(wp) :: pos_y_old !: |
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| 127 | REAL(wp) :: pos_z !: |
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| 128 | REAL(wp) :: pos_z_old !: |
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| 129 | REAL(wp) :: prt_x !: |
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| 130 | REAL(wp) :: prt_y !: |
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| 131 | REAL(wp) :: prt_z !: |
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| 132 | REAL(wp) :: t(1:200) !: |
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| 133 | REAL(wp) :: tmp_t !: |
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| 134 | REAL(wp) :: xline !: |
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| 135 | REAL(wp) :: yline !: |
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| 136 | REAL(wp) :: zline !: |
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| 137 | |
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[849] | 138 | IF ( range == 'bottom/top' ) THEN |
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[58] | 139 | |
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[849] | 140 | ! |
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| 141 | !-- Apply boundary conditions to those particles that have crossed the top or |
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| 142 | !-- bottom boundary and delete those particles, which are older than allowed |
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| 143 | DO n = 1, number_of_particles |
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[61] | 144 | |
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[849] | 145 | nn = particles(n)%tail_id |
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[58] | 146 | |
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[849] | 147 | ! |
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| 148 | !-- Stop if particles have moved further than the length of one |
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| 149 | !-- PE subdomain (newly released particles have age = age_m!) |
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| 150 | IF ( particles(n)%age /= particles(n)%age_m ) THEN |
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| 151 | IF ( ABS(particles(n)%speed_x) > & |
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| 152 | ((nxr-nxl+2)*dx)/(particles(n)%age-particles(n)%age_m) .OR. & |
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| 153 | ABS(particles(n)%speed_y) > & |
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| 154 | ((nyn-nys+2)*dy)/(particles(n)%age-particles(n)%age_m) ) THEN |
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[60] | 155 | |
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[849] | 156 | WRITE( message_string, * ) 'particle too fast. n = ', n |
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| 157 | CALL message( 'lpm_boundary_conds', 'PA0148', 2, 2, -1, 6, 1 ) |
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| 158 | ENDIF |
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| 159 | ENDIF |
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[58] | 160 | |
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[849] | 161 | IF ( particles(n)%age > particle_maximum_age .AND. & |
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[1359] | 162 | particles(n)%particle_mask ) & |
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[849] | 163 | THEN |
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[1359] | 164 | particles(n)%particle_mask = .FALSE. |
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[849] | 165 | deleted_particles = deleted_particles + 1 |
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| 166 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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| 167 | tail_mask(nn) = .FALSE. |
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| 168 | deleted_tails = deleted_tails + 1 |
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| 169 | ENDIF |
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| 170 | ENDIF |
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[58] | 171 | |
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[1359] | 172 | IF ( particles(n)%z >= zu(nz) .AND. particles(n)%particle_mask ) THEN |
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[849] | 173 | IF ( ibc_par_t == 1 ) THEN |
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[61] | 174 | ! |
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[849] | 175 | !-- Particle absorption |
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[1359] | 176 | particles(n)%particle_mask = .FALSE. |
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[849] | 177 | deleted_particles = deleted_particles + 1 |
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| 178 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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| 179 | tail_mask(nn) = .FALSE. |
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| 180 | deleted_tails = deleted_tails + 1 |
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| 181 | ENDIF |
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| 182 | ELSEIF ( ibc_par_t == 2 ) THEN |
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| 183 | ! |
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| 184 | !-- Particle reflection |
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[1359] | 185 | particles(n)%z = 2.0_wp * zu(nz) - particles(n)%z |
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[849] | 186 | particles(n)%speed_z = -particles(n)%speed_z |
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| 187 | IF ( use_sgs_for_particles .AND. & |
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[1359] | 188 | particles(n)%rvar3 > 0.0_wp ) THEN |
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[849] | 189 | particles(n)%rvar3 = -particles(n)%rvar3 |
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| 190 | ENDIF |
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| 191 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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[1359] | 192 | particle_tail_coordinates(1,3,nn) = 2.0_wp * zu(nz) - & |
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[849] | 193 | particle_tail_coordinates(1,3,nn) |
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| 194 | ENDIF |
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| 195 | ENDIF |
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| 196 | ENDIF |
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[1359] | 197 | |
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| 198 | IF ( particles(n)%z < zw(0) .AND. particles(n)%particle_mask ) THEN |
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[849] | 199 | IF ( ibc_par_b == 1 ) THEN |
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| 200 | ! |
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| 201 | !-- Particle absorption |
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[1359] | 202 | particles(n)%particle_mask = .FALSE. |
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[849] | 203 | deleted_particles = deleted_particles + 1 |
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| 204 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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| 205 | tail_mask(nn) = .FALSE. |
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| 206 | deleted_tails = deleted_tails + 1 |
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| 207 | ENDIF |
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| 208 | ELSEIF ( ibc_par_b == 2 ) THEN |
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| 209 | ! |
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| 210 | !-- Particle reflection |
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[1359] | 211 | particles(n)%z = 2.0_wp * zw(0) - particles(n)%z |
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[849] | 212 | particles(n)%speed_z = -particles(n)%speed_z |
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| 213 | IF ( use_sgs_for_particles .AND. & |
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[1359] | 214 | particles(n)%rvar3 < 0.0_wp ) THEN |
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[849] | 215 | particles(n)%rvar3 = -particles(n)%rvar3 |
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| 216 | ENDIF |
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| 217 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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[1359] | 218 | particle_tail_coordinates(1,3,nn) = 2.0_wp * zu(nz) - & |
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[849] | 219 | particle_tail_coordinates(1,3,nn) |
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| 220 | ENDIF |
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| 221 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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[1359] | 222 | particle_tail_coordinates(1,3,nn) = 2.0_wp * zw(0) - & |
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[849] | 223 | particle_tail_coordinates(1,3,nn) |
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| 224 | ENDIF |
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| 225 | ENDIF |
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| 226 | ENDIF |
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| 227 | ENDDO |
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[58] | 228 | |
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[849] | 229 | ELSEIF ( range == 'walls' ) THEN |
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[58] | 230 | |
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[849] | 231 | CALL cpu_log( log_point_s(48), 'lpm_wall_reflect', 'start' ) |
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| 232 | |
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| 233 | reflect_x = .FALSE. |
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| 234 | reflect_y = .FALSE. |
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| 235 | reflect_z = .FALSE. |
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| 236 | |
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| 237 | DO n = 1, number_of_particles |
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| 238 | |
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| 239 | dt_particle = particles(n)%age - particles(n)%age_m |
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| 240 | |
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[1359] | 241 | i2 = ( particles(n)%x + 0.5_wp * dx ) * ddx |
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| 242 | j2 = ( particles(n)%y + 0.5_wp * dy ) * ddy |
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[849] | 243 | k2 = particles(n)%z / dz + 1 + offset_ocean_nzt_m1 |
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| 244 | |
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| 245 | prt_x = particles(n)%x |
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| 246 | prt_y = particles(n)%y |
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| 247 | prt_z = particles(n)%z |
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| 248 | |
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[58] | 249 | ! |
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[849] | 250 | !-- If the particle position is below the surface, it has to be reflected |
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| 251 | IF ( k2 <= nzb_s_inner(j2,i2) .AND. nzb_s_inner(j2,i2) /=0 ) THEN |
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[58] | 252 | |
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[849] | 253 | pos_x_old = particles(n)%x - particles(n)%speed_x * dt_particle |
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| 254 | pos_y_old = particles(n)%y - particles(n)%speed_y * dt_particle |
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| 255 | pos_z_old = particles(n)%z - particles(n)%speed_z * dt_particle |
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[1359] | 256 | i1 = ( pos_x_old + 0.5_wp * dx ) * ddx |
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| 257 | j1 = ( pos_y_old + 0.5_wp * dy ) * ddy |
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[849] | 258 | k1 = pos_z_old / dz + offset_ocean_nzt_m1 |
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[58] | 259 | |
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[849] | 260 | ! |
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| 261 | !-- Case 1 |
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[1359] | 262 | IF ( particles(n)%x > pos_x_old .AND. particles(n)%y > pos_y_old )& |
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[849] | 263 | THEN |
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| 264 | t_index = 1 |
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[58] | 265 | |
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[849] | 266 | DO i = i1, i2 |
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[1359] | 267 | xline = i * dx + 0.5_wp * dx |
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[849] | 268 | t(t_index) = ( xline - pos_x_old ) / & |
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| 269 | ( particles(n)%x - pos_x_old ) |
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[58] | 270 | t_index = t_index + 1 |
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| 271 | ENDDO |
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| 272 | |
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[849] | 273 | DO j = j1, j2 |
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[1359] | 274 | yline = j * dy + 0.5_wp * dy |
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[849] | 275 | t(t_index) = ( yline - pos_y_old ) / & |
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| 276 | ( particles(n)%y - pos_y_old ) |
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| 277 | t_index = t_index + 1 |
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| 278 | ENDDO |
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[58] | 279 | |
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[849] | 280 | IF ( particles(n)%z < pos_z_old ) THEN |
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| 281 | DO k = k1, k2 , -1 |
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| 282 | zline = k * dz |
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| 283 | t(t_index) = ( pos_z_old - zline ) / & |
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| 284 | ( pos_z_old - particles(n)%z ) |
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| 285 | t_index = t_index + 1 |
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| 286 | ENDDO |
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| 287 | ENDIF |
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| 288 | |
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| 289 | t_index_number = t_index - 1 |
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| 290 | |
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[58] | 291 | ! |
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[849] | 292 | !-- Sorting t |
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| 293 | inc = 1 |
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| 294 | jr = 1 |
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| 295 | DO WHILE ( inc <= t_index_number ) |
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| 296 | inc = 3 * inc + 1 |
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| 297 | ENDDO |
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[58] | 298 | |
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[849] | 299 | DO WHILE ( inc > 1 ) |
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| 300 | inc = inc / 3 |
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| 301 | DO ir = inc+1, t_index_number |
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| 302 | tmp_t = t(ir) |
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| 303 | jr = ir |
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| 304 | DO WHILE ( t(jr-inc) > tmp_t ) |
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| 305 | t(jr) = t(jr-inc) |
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| 306 | jr = jr - inc |
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| 307 | IF ( jr <= inc ) EXIT |
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| 308 | ENDDO |
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| 309 | t(jr) = tmp_t |
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[58] | 310 | ENDDO |
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| 311 | ENDDO |
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| 312 | |
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[849] | 313 | case1: DO t_index = 1, t_index_number |
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[58] | 314 | |
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[849] | 315 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
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| 316 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
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| 317 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
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[58] | 318 | |
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[1359] | 319 | i3 = ( pos_x + 0.5_wp * dx ) * ddx |
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| 320 | j3 = ( pos_y + 0.5_wp * dy ) * ddy |
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[849] | 321 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
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[58] | 322 | |
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[849] | 323 | i5 = pos_x * ddx |
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| 324 | j5 = pos_y * ddy |
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| 325 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
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[58] | 326 | |
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[849] | 327 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
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| 328 | nzb_s_inner(j5,i3) /= 0 ) THEN |
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[61] | 329 | |
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[849] | 330 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
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| 331 | k3 == nzb_s_inner(j5,i3) ) THEN |
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| 332 | reflect_z = .TRUE. |
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| 333 | EXIT case1 |
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| 334 | ENDIF |
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| 335 | |
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[61] | 336 | ENDIF |
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[58] | 337 | |
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[849] | 338 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
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| 339 | nzb_s_inner(j3,i5) /= 0 ) THEN |
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[58] | 340 | |
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[849] | 341 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
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| 342 | k3 == nzb_s_inner(j3,i5) ) THEN |
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| 343 | reflect_z = .TRUE. |
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| 344 | EXIT case1 |
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| 345 | ENDIF |
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[61] | 346 | |
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| 347 | ENDIF |
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[58] | 348 | |
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[849] | 349 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
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| 350 | nzb_s_inner(j3,i3) /= 0 ) THEN |
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[58] | 351 | |
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[849] | 352 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
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| 353 | k3 == nzb_s_inner(j3,i3) ) THEN |
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| 354 | reflect_z = .TRUE. |
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| 355 | EXIT case1 |
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| 356 | ENDIF |
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[61] | 357 | |
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[1359] | 358 | IF ( pos_y == ( j3 * dy - 0.5_wp * dy ) .AND. & |
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[849] | 359 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
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| 360 | reflect_y = .TRUE. |
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| 361 | EXIT case1 |
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| 362 | ENDIF |
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[58] | 363 | |
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[1359] | 364 | IF ( pos_x == ( i3 * dx - 0.5_wp * dx ) .AND. & |
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[849] | 365 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
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| 366 | reflect_x = .TRUE. |
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| 367 | EXIT case1 |
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| 368 | ENDIF |
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[58] | 369 | |
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[61] | 370 | ENDIF |
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[58] | 371 | |
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[849] | 372 | ENDDO case1 |
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[58] | 373 | |
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| 374 | ! |
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[849] | 375 | !-- Case 2 |
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| 376 | ELSEIF ( particles(n)%x > pos_x_old .AND. & |
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| 377 | particles(n)%y < pos_y_old ) THEN |
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[61] | 378 | |
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[849] | 379 | t_index = 1 |
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[58] | 380 | |
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[849] | 381 | DO i = i1, i2 |
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[1359] | 382 | xline = i * dx + 0.5_wp * dx |
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[849] | 383 | t(t_index) = ( xline - pos_x_old ) / & |
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| 384 | ( particles(n)%x - pos_x_old ) |
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| 385 | t_index = t_index + 1 |
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| 386 | ENDDO |
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[58] | 387 | |
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[849] | 388 | DO j = j1, j2, -1 |
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[1359] | 389 | yline = j * dy - 0.5_wp * dy |
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[849] | 390 | t(t_index) = ( pos_y_old - yline ) / & |
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| 391 | ( pos_y_old - particles(n)%y ) |
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[58] | 392 | t_index = t_index + 1 |
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| 393 | ENDDO |
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| 394 | |
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[849] | 395 | IF ( particles(n)%z < pos_z_old ) THEN |
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| 396 | DO k = k1, k2 , -1 |
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| 397 | zline = k * dz |
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| 398 | t(t_index) = ( pos_z_old - zline ) / & |
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| 399 | ( pos_z_old - particles(n)%z ) |
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| 400 | t_index = t_index + 1 |
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| 401 | ENDDO |
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| 402 | ENDIF |
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| 403 | t_index_number = t_index-1 |
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| 404 | |
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[58] | 405 | ! |
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[849] | 406 | !-- Sorting t |
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| 407 | inc = 1 |
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| 408 | jr = 1 |
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| 409 | DO WHILE ( inc <= t_index_number ) |
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| 410 | inc = 3 * inc + 1 |
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| 411 | ENDDO |
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[58] | 412 | |
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[849] | 413 | DO WHILE ( inc > 1 ) |
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| 414 | inc = inc / 3 |
---|
| 415 | DO ir = inc+1, t_index_number |
---|
| 416 | tmp_t = t(ir) |
---|
| 417 | jr = ir |
---|
| 418 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
| 419 | t(jr) = t(jr-inc) |
---|
| 420 | jr = jr - inc |
---|
| 421 | IF ( jr <= inc ) EXIT |
---|
| 422 | ENDDO |
---|
| 423 | t(jr) = tmp_t |
---|
[58] | 424 | ENDDO |
---|
| 425 | ENDDO |
---|
| 426 | |
---|
[849] | 427 | case2: DO t_index = 1, t_index_number |
---|
[58] | 428 | |
---|
[849] | 429 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
| 430 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
| 431 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
[58] | 432 | |
---|
[1359] | 433 | i3 = ( pos_x + 0.5_wp * dx ) * ddx |
---|
| 434 | j3 = ( pos_y + 0.5_wp * dy ) * ddy |
---|
[849] | 435 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 436 | |
---|
[849] | 437 | i5 = pos_x * ddx |
---|
| 438 | j5 = pos_y * ddy |
---|
| 439 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 440 | |
---|
[849] | 441 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
| 442 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
[61] | 443 | |
---|
[849] | 444 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
| 445 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
| 446 | reflect_z = .TRUE. |
---|
| 447 | EXIT case2 |
---|
| 448 | ENDIF |
---|
| 449 | |
---|
[61] | 450 | ENDIF |
---|
[58] | 451 | |
---|
[849] | 452 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
| 453 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
[58] | 454 | |
---|
[849] | 455 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
| 456 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
| 457 | reflect_z = .TRUE. |
---|
| 458 | EXIT case2 |
---|
| 459 | ENDIF |
---|
[61] | 460 | |
---|
[1359] | 461 | IF ( pos_x == ( i3 * dx - 0.5_wp * dx ) .AND. & |
---|
[849] | 462 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
---|
| 463 | reflect_x = .TRUE. |
---|
| 464 | EXIT case2 |
---|
| 465 | ENDIF |
---|
[58] | 466 | |
---|
[61] | 467 | ENDIF |
---|
[58] | 468 | |
---|
[849] | 469 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
| 470 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
[58] | 471 | |
---|
[849] | 472 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
| 473 | k3 == nzb_s_inner(j5,i3) ) THEN |
---|
| 474 | reflect_z = .TRUE. |
---|
| 475 | EXIT case2 |
---|
| 476 | ENDIF |
---|
[61] | 477 | |
---|
[1359] | 478 | IF ( pos_y == ( j5 * dy + 0.5_wp * dy ) .AND. & |
---|
[849] | 479 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
---|
| 480 | reflect_y = .TRUE. |
---|
| 481 | EXIT case2 |
---|
| 482 | ENDIF |
---|
[58] | 483 | |
---|
[61] | 484 | ENDIF |
---|
[58] | 485 | |
---|
[849] | 486 | ENDDO case2 |
---|
[58] | 487 | |
---|
| 488 | ! |
---|
[849] | 489 | !-- Case 3 |
---|
| 490 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
---|
| 491 | particles(n)%y > pos_y_old ) THEN |
---|
[61] | 492 | |
---|
[849] | 493 | t_index = 1 |
---|
[58] | 494 | |
---|
[849] | 495 | DO i = i1, i2, -1 |
---|
[1359] | 496 | xline = i * dx - 0.5_wp * dx |
---|
[849] | 497 | t(t_index) = ( pos_x_old - xline ) / & |
---|
| 498 | ( pos_x_old - particles(n)%x ) |
---|
| 499 | t_index = t_index + 1 |
---|
| 500 | ENDDO |
---|
[58] | 501 | |
---|
[849] | 502 | DO j = j1, j2 |
---|
[1359] | 503 | yline = j * dy + 0.5_wp * dy |
---|
[849] | 504 | t(t_index) = ( yline - pos_y_old ) / & |
---|
| 505 | ( particles(n)%y - pos_y_old ) |
---|
[58] | 506 | t_index = t_index + 1 |
---|
| 507 | ENDDO |
---|
| 508 | |
---|
[849] | 509 | IF ( particles(n)%z < pos_z_old ) THEN |
---|
| 510 | DO k = k1, k2 , -1 |
---|
| 511 | zline = k * dz |
---|
| 512 | t(t_index) = ( pos_z_old - zline ) / & |
---|
| 513 | ( pos_z_old - particles(n)%z ) |
---|
| 514 | t_index = t_index + 1 |
---|
| 515 | ENDDO |
---|
| 516 | ENDIF |
---|
| 517 | t_index_number = t_index - 1 |
---|
| 518 | |
---|
[58] | 519 | ! |
---|
[849] | 520 | !-- Sorting t |
---|
| 521 | inc = 1 |
---|
| 522 | jr = 1 |
---|
[58] | 523 | |
---|
[849] | 524 | DO WHILE ( inc <= t_index_number ) |
---|
| 525 | inc = 3 * inc + 1 |
---|
| 526 | ENDDO |
---|
[58] | 527 | |
---|
[849] | 528 | DO WHILE ( inc > 1 ) |
---|
| 529 | inc = inc / 3 |
---|
| 530 | DO ir = inc+1, t_index_number |
---|
| 531 | tmp_t = t(ir) |
---|
| 532 | jr = ir |
---|
| 533 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
| 534 | t(jr) = t(jr-inc) |
---|
| 535 | jr = jr - inc |
---|
| 536 | IF ( jr <= inc ) EXIT |
---|
| 537 | ENDDO |
---|
| 538 | t(jr) = tmp_t |
---|
[58] | 539 | ENDDO |
---|
| 540 | ENDDO |
---|
| 541 | |
---|
[849] | 542 | case3: DO t_index = 1, t_index_number |
---|
[58] | 543 | |
---|
[849] | 544 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
| 545 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
| 546 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
[58] | 547 | |
---|
[1359] | 548 | i3 = ( pos_x + 0.5_wp * dx ) * ddx |
---|
| 549 | j3 = ( pos_y + 0.5_wp * dy ) * ddy |
---|
[849] | 550 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 551 | |
---|
[849] | 552 | i5 = pos_x * ddx |
---|
| 553 | j5 = pos_y * ddy |
---|
| 554 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 555 | |
---|
[849] | 556 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
| 557 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
[61] | 558 | |
---|
[849] | 559 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
| 560 | k3 == nzb_s_inner(j5,i3) ) THEN |
---|
| 561 | reflect_z = .TRUE. |
---|
| 562 | EXIT case3 |
---|
| 563 | ENDIF |
---|
| 564 | |
---|
[61] | 565 | ENDIF |
---|
[58] | 566 | |
---|
[849] | 567 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
| 568 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
[58] | 569 | |
---|
[849] | 570 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
| 571 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
| 572 | reflect_z = .TRUE. |
---|
| 573 | EXIT case3 |
---|
| 574 | ENDIF |
---|
[61] | 575 | |
---|
[1359] | 576 | IF ( pos_y == ( j3 * dy - 0.5_wp * dy ) .AND. & |
---|
[849] | 577 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
---|
| 578 | reflect_y = .TRUE. |
---|
| 579 | EXIT case3 |
---|
| 580 | ENDIF |
---|
[58] | 581 | |
---|
[61] | 582 | ENDIF |
---|
[58] | 583 | |
---|
[849] | 584 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
| 585 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
[58] | 586 | |
---|
[849] | 587 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
| 588 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
| 589 | reflect_z = .TRUE. |
---|
| 590 | EXIT case3 |
---|
| 591 | ENDIF |
---|
[61] | 592 | |
---|
[1359] | 593 | IF ( pos_x == ( i5 * dx + 0.5_wp * dx ) .AND. & |
---|
[849] | 594 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
---|
| 595 | reflect_x = .TRUE. |
---|
| 596 | EXIT case3 |
---|
| 597 | ENDIF |
---|
[58] | 598 | |
---|
| 599 | ENDIF |
---|
| 600 | |
---|
[849] | 601 | ENDDO case3 |
---|
[61] | 602 | |
---|
[58] | 603 | ! |
---|
[849] | 604 | !-- Case 4 |
---|
| 605 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
---|
| 606 | particles(n)%y < pos_y_old ) THEN |
---|
[61] | 607 | |
---|
[849] | 608 | t_index = 1 |
---|
[58] | 609 | |
---|
[849] | 610 | DO i = i1, i2, -1 |
---|
[1359] | 611 | xline = i * dx - 0.5_wp * dx |
---|
[849] | 612 | t(t_index) = ( pos_x_old - xline ) / & |
---|
| 613 | ( pos_x_old - particles(n)%x ) |
---|
| 614 | t_index = t_index + 1 |
---|
| 615 | ENDDO |
---|
[58] | 616 | |
---|
[849] | 617 | DO j = j1, j2, -1 |
---|
[1359] | 618 | yline = j * dy - 0.5_wp * dy |
---|
[849] | 619 | t(t_index) = ( pos_y_old - yline ) / & |
---|
| 620 | ( pos_y_old - particles(n)%y ) |
---|
[58] | 621 | t_index = t_index + 1 |
---|
| 622 | ENDDO |
---|
| 623 | |
---|
[849] | 624 | IF ( particles(n)%z < pos_z_old ) THEN |
---|
| 625 | DO k = k1, k2 , -1 |
---|
| 626 | zline = k * dz |
---|
| 627 | t(t_index) = ( pos_z_old - zline ) / & |
---|
| 628 | ( pos_z_old-particles(n)%z ) |
---|
| 629 | t_index = t_index + 1 |
---|
| 630 | ENDDO |
---|
| 631 | ENDIF |
---|
| 632 | t_index_number = t_index-1 |
---|
| 633 | |
---|
[58] | 634 | ! |
---|
[849] | 635 | !-- Sorting t |
---|
| 636 | inc = 1 |
---|
| 637 | jr = 1 |
---|
[58] | 638 | |
---|
[849] | 639 | DO WHILE ( inc <= t_index_number ) |
---|
| 640 | inc = 3 * inc + 1 |
---|
| 641 | ENDDO |
---|
[58] | 642 | |
---|
[849] | 643 | DO WHILE ( inc > 1 ) |
---|
| 644 | inc = inc / 3 |
---|
| 645 | DO ir = inc+1, t_index_number |
---|
| 646 | tmp_t = t(ir) |
---|
| 647 | jr = ir |
---|
| 648 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
| 649 | t(jr) = t(jr-inc) |
---|
| 650 | jr = jr - inc |
---|
| 651 | IF ( jr <= inc ) EXIT |
---|
| 652 | ENDDO |
---|
| 653 | t(jr) = tmp_t |
---|
[58] | 654 | ENDDO |
---|
| 655 | ENDDO |
---|
| 656 | |
---|
[849] | 657 | case4: DO t_index = 1, t_index_number |
---|
[58] | 658 | |
---|
[849] | 659 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
| 660 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
| 661 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
[58] | 662 | |
---|
[1359] | 663 | i3 = ( pos_x + 0.5_wp * dx ) * ddx |
---|
| 664 | j3 = ( pos_y + 0.5_wp * dy ) * ddy |
---|
[849] | 665 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 666 | |
---|
[849] | 667 | i5 = pos_x * ddx |
---|
| 668 | j5 = pos_y * ddy |
---|
| 669 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
[58] | 670 | |
---|
[849] | 671 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
| 672 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
[61] | 673 | |
---|
[849] | 674 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
| 675 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
| 676 | reflect_z = .TRUE. |
---|
| 677 | EXIT case4 |
---|
| 678 | ENDIF |
---|
| 679 | |
---|
[61] | 680 | ENDIF |
---|
[58] | 681 | |
---|
[849] | 682 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
| 683 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
[58] | 684 | |
---|
[849] | 685 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
| 686 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
| 687 | reflect_z = .TRUE. |
---|
| 688 | EXIT case4 |
---|
| 689 | ENDIF |
---|
[61] | 690 | |
---|
[1359] | 691 | IF ( pos_x == ( i5 * dx + 0.5_wp * dx ) .AND. & |
---|
[849] | 692 | nzb_s_inner(j3,i5) /=0 .AND. & |
---|
| 693 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
---|
| 694 | reflect_x = .TRUE. |
---|
| 695 | EXIT case4 |
---|
| 696 | ENDIF |
---|
[58] | 697 | |
---|
[61] | 698 | ENDIF |
---|
[58] | 699 | |
---|
[849] | 700 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
| 701 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
[61] | 702 | |
---|
[849] | 703 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
| 704 | k5 == nzb_s_inner(j5,i3) ) THEN |
---|
| 705 | reflect_z = .TRUE. |
---|
| 706 | EXIT case4 |
---|
| 707 | ENDIF |
---|
[61] | 708 | |
---|
[1359] | 709 | IF ( pos_y == ( j5 * dy + 0.5_wp * dy ) .AND. & |
---|
[849] | 710 | nzb_s_inner(j5,i3) /= 0 .AND. & |
---|
| 711 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
---|
| 712 | reflect_y = .TRUE. |
---|
| 713 | EXIT case4 |
---|
| 714 | ENDIF |
---|
[58] | 715 | |
---|
[61] | 716 | ENDIF |
---|
| 717 | |
---|
[849] | 718 | ENDDO case4 |
---|
[61] | 719 | |
---|
[849] | 720 | ENDIF |
---|
[58] | 721 | |
---|
[849] | 722 | ENDIF ! Check, if particle position is below the surface |
---|
[61] | 723 | |
---|
| 724 | ! |
---|
[849] | 725 | !-- Do the respective reflection, in case that one of the above conditions |
---|
| 726 | !-- is found to be true |
---|
| 727 | IF ( reflect_z ) THEN |
---|
[61] | 728 | |
---|
[1359] | 729 | particles(n)%z = 2.0_wp * pos_z - prt_z |
---|
[849] | 730 | particles(n)%speed_z = - particles(n)%speed_z |
---|
[61] | 731 | |
---|
[849] | 732 | IF ( use_sgs_for_particles ) THEN |
---|
| 733 | particles(n)%rvar3 = - particles(n)%rvar3 |
---|
| 734 | ENDIF |
---|
| 735 | reflect_z = .FALSE. |
---|
[61] | 736 | |
---|
[849] | 737 | ELSEIF ( reflect_y ) THEN |
---|
[61] | 738 | |
---|
[1359] | 739 | particles(n)%y = 2.0_wp * pos_y - prt_y |
---|
[849] | 740 | particles(n)%speed_y = - particles(n)%speed_y |
---|
[61] | 741 | |
---|
[849] | 742 | IF ( use_sgs_for_particles ) THEN |
---|
| 743 | particles(n)%rvar2 = - particles(n)%rvar2 |
---|
| 744 | ENDIF |
---|
| 745 | reflect_y = .FALSE. |
---|
[61] | 746 | |
---|
[849] | 747 | ELSEIF ( reflect_x ) THEN |
---|
[61] | 748 | |
---|
[1359] | 749 | particles(n)%x = 2.0_wp * pos_x - prt_x |
---|
[849] | 750 | particles(n)%speed_x = - particles(n)%speed_x |
---|
[61] | 751 | |
---|
[849] | 752 | IF ( use_sgs_for_particles ) THEN |
---|
| 753 | particles(n)%rvar1 = - particles(n)%rvar1 |
---|
| 754 | ENDIF |
---|
| 755 | reflect_x = .FALSE. |
---|
[61] | 756 | |
---|
[849] | 757 | ENDIF |
---|
[58] | 758 | |
---|
[849] | 759 | ENDDO |
---|
[58] | 760 | |
---|
[849] | 761 | CALL cpu_log( log_point_s(48), 'lpm_wall_reflect', 'stop' ) |
---|
[58] | 762 | |
---|
[849] | 763 | ENDIF |
---|
[61] | 764 | |
---|
[849] | 765 | END SUBROUTINE lpm_boundary_conds |
---|