1 | SUBROUTINE lpm_boundary_conds( range ) |
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2 | |
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3 | !------------------------------------------------------------------------------! |
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4 | ! Current revisions: |
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5 | ! ----------------- |
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6 | ! routine renamed lpm_boundary_conds, bottom and top boundary conditions |
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7 | ! included |
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8 | ! |
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9 | ! Former revisions: |
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10 | ! ----------------- |
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11 | ! $Id: lpm_boundary_conds.f90 849 2012-03-15 10:35:09Z raasch $ |
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12 | ! |
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13 | ! 824 2012-02-17 09:09:57Z raasch |
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14 | ! particle attributes speed_x|y|z_sgs renamed rvar1|2|3 |
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15 | ! |
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16 | ! 150 2008-02-29 08:19:58Z raasch |
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17 | ! Vertical index calculations adjusted for ocean runs. |
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18 | ! |
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19 | ! Initial version (2007/03/09) |
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20 | ! |
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21 | ! Description: |
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22 | ! ------------ |
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23 | ! Boundary conditions for the Lagrangian particles. |
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24 | ! The routine consists of two different parts. One handles the bottom (flat) |
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25 | ! and top boundary. In this part, also particles which exceeded their lifetime |
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26 | ! are deleted. |
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27 | ! The other part handles the reflection of particles from vertical walls. |
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28 | ! This part was developed by Jin Zhang during 2006-2007. |
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29 | ! |
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30 | ! To do: Code structure for finding the t_index values and for checking the |
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31 | ! ----- reflection conditions is basically the same for all four cases, so it |
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32 | ! should be possible to further simplify/shorten it. |
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33 | ! |
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34 | ! THE WALLS PART OF THIS ROUTINE HAS NOT BEEN TESTED FOR OCEAN RUNS SO FAR!!!! |
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35 | ! (see offset_ocean_*) |
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36 | !------------------------------------------------------------------------------! |
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37 | |
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38 | USE arrays_3d |
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39 | USE control_parameters |
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40 | USE cpulog |
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41 | USE grid_variables |
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42 | USE indices |
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43 | USE interfaces |
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44 | USE particle_attributes |
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45 | USE pegrid |
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46 | |
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47 | IMPLICIT NONE |
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48 | |
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49 | CHARACTER (LEN=*) :: range |
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50 | |
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51 | INTEGER :: i, inc, ir, i1, i2, i3, i5, j, jr, j1, j2, j3, j5, k, k1, k2, & |
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52 | k3, k5, n, nn, t_index, t_index_number |
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53 | |
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54 | LOGICAL :: reflect_x, reflect_y, reflect_z |
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55 | |
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56 | REAL :: dt_particle, pos_x, pos_x_old, pos_y, pos_y_old, pos_z, & |
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57 | pos_z_old, prt_x, prt_y, prt_z, tmp_t, xline, yline, zline |
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58 | |
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59 | REAL :: t(1:200) |
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60 | |
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61 | |
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62 | |
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63 | IF ( range == 'bottom/top' ) THEN |
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64 | |
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65 | ! |
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66 | !-- Apply boundary conditions to those particles that have crossed the top or |
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67 | !-- bottom boundary and delete those particles, which are older than allowed |
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68 | DO n = 1, number_of_particles |
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69 | |
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70 | nn = particles(n)%tail_id |
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71 | |
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72 | ! |
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73 | !-- Stop if particles have moved further than the length of one |
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74 | !-- PE subdomain (newly released particles have age = age_m!) |
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75 | IF ( particles(n)%age /= particles(n)%age_m ) THEN |
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76 | IF ( ABS(particles(n)%speed_x) > & |
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77 | ((nxr-nxl+2)*dx)/(particles(n)%age-particles(n)%age_m) .OR. & |
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78 | ABS(particles(n)%speed_y) > & |
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79 | ((nyn-nys+2)*dy)/(particles(n)%age-particles(n)%age_m) ) THEN |
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80 | |
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81 | WRITE( message_string, * ) 'particle too fast. n = ', n |
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82 | CALL message( 'lpm_boundary_conds', 'PA0148', 2, 2, -1, 6, 1 ) |
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83 | ENDIF |
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84 | ENDIF |
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85 | |
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86 | IF ( particles(n)%age > particle_maximum_age .AND. & |
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87 | particle_mask(n) ) & |
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88 | THEN |
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89 | particle_mask(n) = .FALSE. |
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90 | deleted_particles = deleted_particles + 1 |
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91 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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92 | tail_mask(nn) = .FALSE. |
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93 | deleted_tails = deleted_tails + 1 |
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94 | ENDIF |
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95 | ENDIF |
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96 | |
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97 | IF ( particles(n)%z >= zu(nz) .AND. particle_mask(n) ) THEN |
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98 | IF ( ibc_par_t == 1 ) THEN |
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99 | ! |
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100 | !-- Particle absorption |
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101 | particle_mask(n) = .FALSE. |
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102 | deleted_particles = deleted_particles + 1 |
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103 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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104 | tail_mask(nn) = .FALSE. |
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105 | deleted_tails = deleted_tails + 1 |
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106 | ENDIF |
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107 | ELSEIF ( ibc_par_t == 2 ) THEN |
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108 | ! |
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109 | !-- Particle reflection |
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110 | particles(n)%z = 2.0 * zu(nz) - particles(n)%z |
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111 | particles(n)%speed_z = -particles(n)%speed_z |
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112 | IF ( use_sgs_for_particles .AND. & |
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113 | particles(n)%rvar3 > 0.0 ) THEN |
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114 | particles(n)%rvar3 = -particles(n)%rvar3 |
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115 | ENDIF |
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116 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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117 | particle_tail_coordinates(1,3,nn) = 2.0 * zu(nz) - & |
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118 | particle_tail_coordinates(1,3,nn) |
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119 | ENDIF |
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120 | ENDIF |
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121 | ENDIF |
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122 | IF ( particles(n)%z < zw(0) .AND. particle_mask(n) ) THEN |
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123 | IF ( ibc_par_b == 1 ) THEN |
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124 | ! |
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125 | !-- Particle absorption |
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126 | particle_mask(n) = .FALSE. |
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127 | deleted_particles = deleted_particles + 1 |
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128 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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129 | tail_mask(nn) = .FALSE. |
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130 | deleted_tails = deleted_tails + 1 |
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131 | ENDIF |
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132 | ELSEIF ( ibc_par_b == 2 ) THEN |
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133 | ! |
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134 | !-- Particle reflection |
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135 | particles(n)%z = 2.0 * zw(0) - particles(n)%z |
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136 | particles(n)%speed_z = -particles(n)%speed_z |
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137 | IF ( use_sgs_for_particles .AND. & |
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138 | particles(n)%rvar3 < 0.0 ) THEN |
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139 | particles(n)%rvar3 = -particles(n)%rvar3 |
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140 | ENDIF |
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141 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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142 | particle_tail_coordinates(1,3,nn) = 2.0 * zu(nz) - & |
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143 | particle_tail_coordinates(1,3,nn) |
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144 | ENDIF |
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145 | IF ( use_particle_tails .AND. nn /= 0 ) THEN |
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146 | particle_tail_coordinates(1,3,nn) = 2.0 * zw(0) - & |
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147 | particle_tail_coordinates(1,3,nn) |
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148 | ENDIF |
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149 | ENDIF |
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150 | ENDIF |
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151 | ENDDO |
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152 | |
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153 | ELSEIF ( range == 'walls' ) THEN |
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154 | |
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155 | CALL cpu_log( log_point_s(48), 'lpm_wall_reflect', 'start' ) |
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156 | |
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157 | reflect_x = .FALSE. |
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158 | reflect_y = .FALSE. |
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159 | reflect_z = .FALSE. |
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160 | |
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161 | DO n = 1, number_of_particles |
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162 | |
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163 | dt_particle = particles(n)%age - particles(n)%age_m |
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164 | |
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165 | i2 = ( particles(n)%x + 0.5 * dx ) * ddx |
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166 | j2 = ( particles(n)%y + 0.5 * dy ) * ddy |
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167 | k2 = particles(n)%z / dz + 1 + offset_ocean_nzt_m1 |
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168 | |
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169 | prt_x = particles(n)%x |
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170 | prt_y = particles(n)%y |
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171 | prt_z = particles(n)%z |
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172 | |
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173 | ! |
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174 | !-- If the particle position is below the surface, it has to be reflected |
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175 | IF ( k2 <= nzb_s_inner(j2,i2) .AND. nzb_s_inner(j2,i2) /=0 ) THEN |
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176 | |
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177 | pos_x_old = particles(n)%x - particles(n)%speed_x * dt_particle |
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178 | pos_y_old = particles(n)%y - particles(n)%speed_y * dt_particle |
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179 | pos_z_old = particles(n)%z - particles(n)%speed_z * dt_particle |
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180 | i1 = ( pos_x_old + 0.5 * dx ) * ddx |
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181 | j1 = ( pos_y_old + 0.5 * dy ) * ddy |
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182 | k1 = pos_z_old / dz + offset_ocean_nzt_m1 |
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183 | |
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184 | ! |
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185 | !-- Case 1 |
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186 | IF ( particles(n)%x > pos_x_old .AND. particles(n)%y > pos_y_old )& |
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187 | THEN |
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188 | t_index = 1 |
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189 | |
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190 | DO i = i1, i2 |
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191 | xline = i * dx + 0.5 * dx |
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192 | t(t_index) = ( xline - pos_x_old ) / & |
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193 | ( particles(n)%x - pos_x_old ) |
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194 | t_index = t_index + 1 |
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195 | ENDDO |
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196 | |
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197 | DO j = j1, j2 |
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198 | yline = j * dy + 0.5 * dy |
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199 | t(t_index) = ( yline - pos_y_old ) / & |
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200 | ( particles(n)%y - pos_y_old ) |
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201 | t_index = t_index + 1 |
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202 | ENDDO |
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203 | |
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204 | IF ( particles(n)%z < pos_z_old ) THEN |
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205 | DO k = k1, k2 , -1 |
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206 | zline = k * dz |
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207 | t(t_index) = ( pos_z_old - zline ) / & |
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208 | ( pos_z_old - particles(n)%z ) |
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209 | t_index = t_index + 1 |
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210 | ENDDO |
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211 | ENDIF |
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212 | |
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213 | t_index_number = t_index - 1 |
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214 | |
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215 | ! |
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216 | !-- Sorting t |
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217 | inc = 1 |
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218 | jr = 1 |
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219 | DO WHILE ( inc <= t_index_number ) |
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220 | inc = 3 * inc + 1 |
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221 | ENDDO |
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222 | |
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223 | DO WHILE ( inc > 1 ) |
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224 | inc = inc / 3 |
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225 | DO ir = inc+1, t_index_number |
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226 | tmp_t = t(ir) |
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227 | jr = ir |
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228 | DO WHILE ( t(jr-inc) > tmp_t ) |
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229 | t(jr) = t(jr-inc) |
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230 | jr = jr - inc |
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231 | IF ( jr <= inc ) EXIT |
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232 | ENDDO |
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233 | t(jr) = tmp_t |
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234 | ENDDO |
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235 | ENDDO |
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236 | |
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237 | case1: DO t_index = 1, t_index_number |
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238 | |
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239 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
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240 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
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241 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
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242 | |
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243 | i3 = ( pos_x + 0.5 * dx ) * ddx |
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244 | j3 = ( pos_y + 0.5 * dy ) * ddy |
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245 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
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246 | |
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247 | i5 = pos_x * ddx |
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248 | j5 = pos_y * ddy |
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249 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
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250 | |
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251 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
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252 | nzb_s_inner(j5,i3) /= 0 ) THEN |
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253 | |
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254 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
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255 | k3 == nzb_s_inner(j5,i3) ) THEN |
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256 | reflect_z = .TRUE. |
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257 | EXIT case1 |
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258 | ENDIF |
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259 | |
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260 | ENDIF |
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261 | |
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262 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
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263 | nzb_s_inner(j3,i5) /= 0 ) THEN |
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264 | |
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265 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
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266 | k3 == nzb_s_inner(j3,i5) ) THEN |
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267 | reflect_z = .TRUE. |
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268 | EXIT case1 |
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269 | ENDIF |
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270 | |
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271 | ENDIF |
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272 | |
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273 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
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274 | nzb_s_inner(j3,i3) /= 0 ) THEN |
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275 | |
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276 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
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277 | k3 == nzb_s_inner(j3,i3) ) THEN |
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278 | reflect_z = .TRUE. |
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279 | EXIT case1 |
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280 | ENDIF |
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281 | |
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282 | IF ( pos_y == ( j3 * dy - 0.5 * dy ) .AND. & |
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283 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
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284 | reflect_y = .TRUE. |
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285 | EXIT case1 |
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286 | ENDIF |
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287 | |
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288 | IF ( pos_x == ( i3 * dx - 0.5 * dx ) .AND. & |
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289 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
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290 | reflect_x = .TRUE. |
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291 | EXIT case1 |
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292 | ENDIF |
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293 | |
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294 | ENDIF |
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295 | |
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296 | ENDDO case1 |
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297 | |
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298 | ! |
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299 | !-- Case 2 |
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300 | ELSEIF ( particles(n)%x > pos_x_old .AND. & |
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301 | particles(n)%y < pos_y_old ) THEN |
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302 | |
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303 | t_index = 1 |
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304 | |
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305 | DO i = i1, i2 |
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306 | xline = i * dx + 0.5 * dx |
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307 | t(t_index) = ( xline - pos_x_old ) / & |
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308 | ( particles(n)%x - pos_x_old ) |
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309 | t_index = t_index + 1 |
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310 | ENDDO |
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311 | |
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312 | DO j = j1, j2, -1 |
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313 | yline = j * dy - 0.5 * dy |
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314 | t(t_index) = ( pos_y_old - yline ) / & |
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315 | ( pos_y_old - particles(n)%y ) |
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316 | t_index = t_index + 1 |
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317 | ENDDO |
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318 | |
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319 | IF ( particles(n)%z < pos_z_old ) THEN |
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320 | DO k = k1, k2 , -1 |
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321 | zline = k * dz |
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322 | t(t_index) = ( pos_z_old - zline ) / & |
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323 | ( pos_z_old - particles(n)%z ) |
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324 | t_index = t_index + 1 |
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325 | ENDDO |
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326 | ENDIF |
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327 | t_index_number = t_index-1 |
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328 | |
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329 | ! |
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330 | !-- Sorting t |
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331 | inc = 1 |
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332 | jr = 1 |
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333 | DO WHILE ( inc <= t_index_number ) |
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334 | inc = 3 * inc + 1 |
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335 | ENDDO |
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336 | |
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337 | DO WHILE ( inc > 1 ) |
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338 | inc = inc / 3 |
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339 | DO ir = inc+1, t_index_number |
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340 | tmp_t = t(ir) |
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341 | jr = ir |
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342 | DO WHILE ( t(jr-inc) > tmp_t ) |
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343 | t(jr) = t(jr-inc) |
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344 | jr = jr - inc |
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345 | IF ( jr <= inc ) EXIT |
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346 | ENDDO |
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347 | t(jr) = tmp_t |
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348 | ENDDO |
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349 | ENDDO |
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350 | |
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351 | case2: DO t_index = 1, t_index_number |
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352 | |
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353 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
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354 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
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355 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
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356 | |
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357 | i3 = ( pos_x + 0.5 * dx ) * ddx |
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358 | j3 = ( pos_y + 0.5 * dy ) * ddy |
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359 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
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360 | |
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361 | i5 = pos_x * ddx |
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362 | j5 = pos_y * ddy |
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363 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
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364 | |
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365 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
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366 | nzb_s_inner(j3,i5) /= 0 ) THEN |
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367 | |
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368 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
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369 | k3 == nzb_s_inner(j3,i5) ) THEN |
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370 | reflect_z = .TRUE. |
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371 | EXIT case2 |
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372 | ENDIF |
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373 | |
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374 | ENDIF |
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375 | |
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376 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
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377 | nzb_s_inner(j3,i3) /= 0 ) THEN |
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378 | |
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379 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
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380 | k3 == nzb_s_inner(j3,i3) ) THEN |
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381 | reflect_z = .TRUE. |
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382 | EXIT case2 |
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383 | ENDIF |
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384 | |
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385 | IF ( pos_x == ( i3 * dx - 0.5 * dx ) .AND. & |
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386 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
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387 | reflect_x = .TRUE. |
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388 | EXIT case2 |
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389 | ENDIF |
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390 | |
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391 | ENDIF |
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392 | |
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393 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
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394 | nzb_s_inner(j5,i3) /= 0 ) THEN |
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395 | |
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396 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
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397 | k3 == nzb_s_inner(j5,i3) ) THEN |
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398 | reflect_z = .TRUE. |
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399 | EXIT case2 |
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400 | ENDIF |
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401 | |
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402 | IF ( pos_y == ( j5 * dy + 0.5 * dy ) .AND. & |
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403 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
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404 | reflect_y = .TRUE. |
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405 | EXIT case2 |
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406 | ENDIF |
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407 | |
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408 | ENDIF |
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409 | |
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410 | ENDDO case2 |
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411 | |
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412 | ! |
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413 | !-- Case 3 |
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414 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
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415 | particles(n)%y > pos_y_old ) THEN |
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416 | |
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417 | t_index = 1 |
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418 | |
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419 | DO i = i1, i2, -1 |
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420 | xline = i * dx - 0.5 * dx |
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421 | t(t_index) = ( pos_x_old - xline ) / & |
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422 | ( pos_x_old - particles(n)%x ) |
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423 | t_index = t_index + 1 |
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424 | ENDDO |
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425 | |
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426 | DO j = j1, j2 |
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427 | yline = j * dy + 0.5 * dy |
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428 | t(t_index) = ( yline - pos_y_old ) / & |
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429 | ( particles(n)%y - pos_y_old ) |
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430 | t_index = t_index + 1 |
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431 | ENDDO |
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432 | |
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433 | IF ( particles(n)%z < pos_z_old ) THEN |
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434 | DO k = k1, k2 , -1 |
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435 | zline = k * dz |
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436 | t(t_index) = ( pos_z_old - zline ) / & |
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437 | ( pos_z_old - particles(n)%z ) |
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438 | t_index = t_index + 1 |
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439 | ENDDO |
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440 | ENDIF |
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441 | t_index_number = t_index - 1 |
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442 | |
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443 | ! |
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444 | !-- Sorting t |
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445 | inc = 1 |
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446 | jr = 1 |
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447 | |
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448 | DO WHILE ( inc <= t_index_number ) |
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449 | inc = 3 * inc + 1 |
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450 | ENDDO |
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451 | |
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452 | DO WHILE ( inc > 1 ) |
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453 | inc = inc / 3 |
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454 | DO ir = inc+1, t_index_number |
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455 | tmp_t = t(ir) |
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456 | jr = ir |
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457 | DO WHILE ( t(jr-inc) > tmp_t ) |
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458 | t(jr) = t(jr-inc) |
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459 | jr = jr - inc |
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460 | IF ( jr <= inc ) EXIT |
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461 | ENDDO |
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462 | t(jr) = tmp_t |
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463 | ENDDO |
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464 | ENDDO |
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465 | |
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466 | case3: DO t_index = 1, t_index_number |
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467 | |
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468 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
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469 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
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470 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
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471 | |
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472 | i3 = ( pos_x + 0.5 * dx ) * ddx |
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473 | j3 = ( pos_y + 0.5 * dy ) * ddy |
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474 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
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475 | |
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476 | i5 = pos_x * ddx |
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477 | j5 = pos_y * ddy |
---|
478 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
479 | |
---|
480 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
481 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
482 | |
---|
483 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
484 | k3 == nzb_s_inner(j5,i3) ) THEN |
---|
485 | reflect_z = .TRUE. |
---|
486 | EXIT case3 |
---|
487 | ENDIF |
---|
488 | |
---|
489 | ENDIF |
---|
490 | |
---|
491 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
492 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
493 | |
---|
494 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
495 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
496 | reflect_z = .TRUE. |
---|
497 | EXIT case3 |
---|
498 | ENDIF |
---|
499 | |
---|
500 | IF ( pos_y == ( j3 * dy - 0.5 * dy ) .AND. & |
---|
501 | pos_z < nzb_s_inner(j3,i3) * dz ) THEN |
---|
502 | reflect_y = .TRUE. |
---|
503 | EXIT case3 |
---|
504 | ENDIF |
---|
505 | |
---|
506 | ENDIF |
---|
507 | |
---|
508 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
509 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
510 | |
---|
511 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
512 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
513 | reflect_z = .TRUE. |
---|
514 | EXIT case3 |
---|
515 | ENDIF |
---|
516 | |
---|
517 | IF ( pos_x == ( i5 * dx + 0.5 * dx ) .AND. & |
---|
518 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
---|
519 | reflect_x = .TRUE. |
---|
520 | EXIT case3 |
---|
521 | ENDIF |
---|
522 | |
---|
523 | ENDIF |
---|
524 | |
---|
525 | ENDDO case3 |
---|
526 | |
---|
527 | ! |
---|
528 | !-- Case 4 |
---|
529 | ELSEIF ( particles(n)%x < pos_x_old .AND. & |
---|
530 | particles(n)%y < pos_y_old ) THEN |
---|
531 | |
---|
532 | t_index = 1 |
---|
533 | |
---|
534 | DO i = i1, i2, -1 |
---|
535 | xline = i * dx - 0.5 * dx |
---|
536 | t(t_index) = ( pos_x_old - xline ) / & |
---|
537 | ( pos_x_old - particles(n)%x ) |
---|
538 | t_index = t_index + 1 |
---|
539 | ENDDO |
---|
540 | |
---|
541 | DO j = j1, j2, -1 |
---|
542 | yline = j * dy - 0.5 * dy |
---|
543 | t(t_index) = ( pos_y_old - yline ) / & |
---|
544 | ( pos_y_old - particles(n)%y ) |
---|
545 | t_index = t_index + 1 |
---|
546 | ENDDO |
---|
547 | |
---|
548 | IF ( particles(n)%z < pos_z_old ) THEN |
---|
549 | DO k = k1, k2 , -1 |
---|
550 | zline = k * dz |
---|
551 | t(t_index) = ( pos_z_old - zline ) / & |
---|
552 | ( pos_z_old-particles(n)%z ) |
---|
553 | t_index = t_index + 1 |
---|
554 | ENDDO |
---|
555 | ENDIF |
---|
556 | t_index_number = t_index-1 |
---|
557 | |
---|
558 | ! |
---|
559 | !-- Sorting t |
---|
560 | inc = 1 |
---|
561 | jr = 1 |
---|
562 | |
---|
563 | DO WHILE ( inc <= t_index_number ) |
---|
564 | inc = 3 * inc + 1 |
---|
565 | ENDDO |
---|
566 | |
---|
567 | DO WHILE ( inc > 1 ) |
---|
568 | inc = inc / 3 |
---|
569 | DO ir = inc+1, t_index_number |
---|
570 | tmp_t = t(ir) |
---|
571 | jr = ir |
---|
572 | DO WHILE ( t(jr-inc) > tmp_t ) |
---|
573 | t(jr) = t(jr-inc) |
---|
574 | jr = jr - inc |
---|
575 | IF ( jr <= inc ) EXIT |
---|
576 | ENDDO |
---|
577 | t(jr) = tmp_t |
---|
578 | ENDDO |
---|
579 | ENDDO |
---|
580 | |
---|
581 | case4: DO t_index = 1, t_index_number |
---|
582 | |
---|
583 | pos_x = pos_x_old + t(t_index) * ( prt_x - pos_x_old ) |
---|
584 | pos_y = pos_y_old + t(t_index) * ( prt_y - pos_y_old ) |
---|
585 | pos_z = pos_z_old + t(t_index) * ( prt_z - pos_z_old ) |
---|
586 | |
---|
587 | i3 = ( pos_x + 0.5 * dx ) * ddx |
---|
588 | j3 = ( pos_y + 0.5 * dy ) * ddy |
---|
589 | k3 = pos_z / dz + offset_ocean_nzt_m1 |
---|
590 | |
---|
591 | i5 = pos_x * ddx |
---|
592 | j5 = pos_y * ddy |
---|
593 | k5 = pos_z / dz + offset_ocean_nzt_m1 |
---|
594 | |
---|
595 | IF ( k3 <= nzb_s_inner(j3,i3) .AND. & |
---|
596 | nzb_s_inner(j3,i3) /= 0 ) THEN |
---|
597 | |
---|
598 | IF ( pos_z == nzb_s_inner(j3,i3) * dz .AND. & |
---|
599 | k3 == nzb_s_inner(j3,i3) ) THEN |
---|
600 | reflect_z = .TRUE. |
---|
601 | EXIT case4 |
---|
602 | ENDIF |
---|
603 | |
---|
604 | ENDIF |
---|
605 | |
---|
606 | IF ( k5 <= nzb_s_inner(j3,i5) .AND. & |
---|
607 | nzb_s_inner(j3,i5) /= 0 ) THEN |
---|
608 | |
---|
609 | IF ( pos_z == nzb_s_inner(j3,i5) * dz .AND. & |
---|
610 | k3 == nzb_s_inner(j3,i5) ) THEN |
---|
611 | reflect_z = .TRUE. |
---|
612 | EXIT case4 |
---|
613 | ENDIF |
---|
614 | |
---|
615 | IF ( pos_x == ( i5 * dx + 0.5 * dx ) .AND. & |
---|
616 | nzb_s_inner(j3,i5) /=0 .AND. & |
---|
617 | pos_z < nzb_s_inner(j3,i5) * dz ) THEN |
---|
618 | reflect_x = .TRUE. |
---|
619 | EXIT case4 |
---|
620 | ENDIF |
---|
621 | |
---|
622 | ENDIF |
---|
623 | |
---|
624 | IF ( k5 <= nzb_s_inner(j5,i3) .AND. & |
---|
625 | nzb_s_inner(j5,i3) /= 0 ) THEN |
---|
626 | |
---|
627 | IF ( pos_z == nzb_s_inner(j5,i3) * dz .AND. & |
---|
628 | k5 == nzb_s_inner(j5,i3) ) THEN |
---|
629 | reflect_z = .TRUE. |
---|
630 | EXIT case4 |
---|
631 | ENDIF |
---|
632 | |
---|
633 | IF ( pos_y == ( j5 * dy + 0.5 * dy ) .AND. & |
---|
634 | nzb_s_inner(j5,i3) /= 0 .AND. & |
---|
635 | pos_z < nzb_s_inner(j5,i3) * dz ) THEN |
---|
636 | reflect_y = .TRUE. |
---|
637 | EXIT case4 |
---|
638 | ENDIF |
---|
639 | |
---|
640 | ENDIF |
---|
641 | |
---|
642 | ENDDO case4 |
---|
643 | |
---|
644 | ENDIF |
---|
645 | |
---|
646 | ENDIF ! Check, if particle position is below the surface |
---|
647 | |
---|
648 | ! |
---|
649 | !-- Do the respective reflection, in case that one of the above conditions |
---|
650 | !-- is found to be true |
---|
651 | IF ( reflect_z ) THEN |
---|
652 | |
---|
653 | particles(n)%z = 2.0 * pos_z - prt_z |
---|
654 | particles(n)%speed_z = - particles(n)%speed_z |
---|
655 | |
---|
656 | IF ( use_sgs_for_particles ) THEN |
---|
657 | particles(n)%rvar3 = - particles(n)%rvar3 |
---|
658 | ENDIF |
---|
659 | reflect_z = .FALSE. |
---|
660 | |
---|
661 | ELSEIF ( reflect_y ) THEN |
---|
662 | |
---|
663 | particles(n)%y = 2.0 * pos_y - prt_y |
---|
664 | particles(n)%speed_y = - particles(n)%speed_y |
---|
665 | |
---|
666 | IF ( use_sgs_for_particles ) THEN |
---|
667 | particles(n)%rvar2 = - particles(n)%rvar2 |
---|
668 | ENDIF |
---|
669 | reflect_y = .FALSE. |
---|
670 | |
---|
671 | ELSEIF ( reflect_x ) THEN |
---|
672 | |
---|
673 | particles(n)%x = 2.0 * pos_x - prt_x |
---|
674 | particles(n)%speed_x = - particles(n)%speed_x |
---|
675 | |
---|
676 | IF ( use_sgs_for_particles ) THEN |
---|
677 | particles(n)%rvar1 = - particles(n)%rvar1 |
---|
678 | ENDIF |
---|
679 | reflect_x = .FALSE. |
---|
680 | |
---|
681 | ENDIF |
---|
682 | |
---|
683 | ENDDO |
---|
684 | |
---|
685 | CALL cpu_log( log_point_s(48), 'lpm_wall_reflect', 'stop' ) |
---|
686 | |
---|
687 | ENDIF |
---|
688 | |
---|
689 | END SUBROUTINE lpm_boundary_conds |
---|