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