| 1 | SUBROUTINE set_particle_attributes |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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| 6 | ! |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Id: set_particle_attributes.f90 266 2009-03-25 07:43:59Z raasch $ |
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| 11 | ! |
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| 12 | ! Initial version (2009/03/21) |
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| 13 | ! |
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| 14 | ! Description: |
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| 15 | ! ------------ |
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| 16 | ! This routine sets certain particle attributes depending on the values that |
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| 17 | ! other PALM variables have at the current particle position. |
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| 18 | !------------------------------------------------------------------------------! |
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| 19 | |
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| 20 | USE arrays_3d |
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| 21 | USE control_parameters |
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| 22 | USE cpulog |
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| 23 | USE dvrp_variables |
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| 24 | USE grid_variables |
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| 25 | USE indices |
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| 26 | USE interfaces |
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| 27 | USE particle_attributes |
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| 28 | USE pegrid |
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| 29 | USE statistics |
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| 30 | |
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| 31 | IMPLICIT NONE |
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| 32 | |
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| 33 | INTEGER :: i, j, k, n |
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| 34 | REAL :: aa, absuv, bb, cc, dd, gg, pt_int, pt_int_l, pt_int_u, u_int, & |
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| 35 | u_int_l, u_int_u, v_int, v_int_l, v_int_u, w_int, w_int_l, & |
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| 36 | w_int_u, x, y |
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| 37 | |
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| 38 | |
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| 39 | CALL cpu_log( log_point_s(49), 'set_particle_attributes', 'start' ) |
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| 40 | |
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| 41 | ! |
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| 42 | !-- Set particle color |
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| 43 | IF ( particle_color == 'absuv' ) THEN |
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| 44 | |
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| 45 | ! |
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| 46 | !-- Set particle color depending on the absolute value of the horizontal |
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| 47 | !-- velocity |
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| 48 | DO n = 1, number_of_particles |
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| 49 | ! |
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| 50 | !-- Interpolate u velocity-component, determine left, front, bottom |
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| 51 | !-- index of u-array |
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| 52 | i = ( particles(n)%x + 0.5 * dx ) * ddx |
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| 53 | j = particles(n)%y * ddy |
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| 54 | k = ( particles(n)%z + 0.5 * dz * atmos_ocean_sign ) / dz & |
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| 55 | + offset_ocean_nzt ! only exact if equidistant |
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| 56 | |
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| 57 | ! |
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| 58 | !-- Interpolation of the velocity components in the xy-plane |
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| 59 | x = particles(n)%x + ( 0.5 - i ) * dx |
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| 60 | y = particles(n)%y - j * dy |
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| 61 | aa = x**2 + y**2 |
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| 62 | bb = ( dx - x )**2 + y**2 |
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| 63 | cc = x**2 + ( dy - y )**2 |
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| 64 | dd = ( dx - x )**2 + ( dy - y )**2 |
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| 65 | gg = aa + bb + cc + dd |
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| 66 | |
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| 67 | u_int_l = ( ( gg - aa ) * u(k,j,i) + ( gg - bb ) * u(k,j,i+1) & |
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| 68 | + ( gg - cc ) * u(k,j+1,i) + ( gg - dd ) * u(k,j+1,i+1) & |
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| 69 | ) / ( 3.0 * gg ) - u_gtrans |
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| 70 | IF ( k+1 == nzt+1 ) THEN |
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| 71 | u_int = u_int_l |
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| 72 | ELSE |
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| 73 | u_int_u = ( ( gg-aa ) * u(k+1,j,i) + ( gg-bb ) * u(k+1,j,i+1) & |
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| 74 | + ( gg-cc ) * u(k+1,j+1,i) + ( gg-dd ) * u(k+1,j+1,i+1) & |
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| 75 | ) / ( 3.0 * gg ) - u_gtrans |
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| 76 | u_int = u_int_l + ( particles(n)%z - zu(k) ) / dz * & |
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| 77 | ( u_int_u - u_int_l ) |
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| 78 | ENDIF |
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| 79 | |
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| 80 | ! |
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| 81 | !-- Same procedure for interpolation of the v velocity-component (adopt |
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| 82 | !-- index k from u velocity-component) |
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| 83 | i = particles(n)%x * ddx |
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| 84 | j = ( particles(n)%y + 0.5 * dy ) * ddy |
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| 85 | |
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| 86 | x = particles(n)%x - i * dx |
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| 87 | y = particles(n)%y + ( 0.5 - j ) * dy |
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| 88 | aa = x**2 + y**2 |
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| 89 | bb = ( dx - x )**2 + y**2 |
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| 90 | cc = x**2 + ( dy - y )**2 |
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| 91 | dd = ( dx - x )**2 + ( dy - y )**2 |
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| 92 | gg = aa + bb + cc + dd |
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| 93 | |
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| 94 | v_int_l = ( ( gg - aa ) * v(k,j,i) + ( gg - bb ) * v(k,j,i+1) & |
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| 95 | + ( gg - cc ) * v(k,j+1,i) + ( gg - dd ) * v(k,j+1,i+1) & |
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| 96 | ) / ( 3.0 * gg ) - v_gtrans |
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| 97 | IF ( k+1 == nzt+1 ) THEN |
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| 98 | v_int = v_int_l |
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| 99 | ELSE |
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| 100 | v_int_u = ( ( gg-aa ) * v(k+1,j,i) + ( gg-bb ) * v(k+1,j,i+1) & |
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| 101 | + ( gg-cc ) * v(k+1,j+1,i) + ( gg-dd ) * v(k+1,j+1,i+1) & |
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| 102 | ) / ( 3.0 * gg ) - v_gtrans |
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| 103 | v_int = v_int_l + ( particles(n)%z - zu(k) ) / dz * & |
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| 104 | ( v_int_u - v_int_l ) |
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| 105 | ENDIF |
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| 106 | |
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| 107 | absuv = SQRT( u_int**2 + v_int**2 ) |
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| 108 | |
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| 109 | ! |
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| 110 | !-- Limit values by the given interval and normalize to interval [0,1] |
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| 111 | absuv = MIN( absuv, color_interval(2) ) |
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| 112 | absuv = MAX( absuv, color_interval(1) ) |
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| 113 | |
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| 114 | absuv = ( absuv - color_interval(1) ) / & |
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| 115 | ( color_interval(2) - color_interval(1) ) |
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| 116 | |
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| 117 | ! |
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| 118 | !-- Number of available colors is defined in init_dvrp |
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| 119 | particles(n)%color = 1 + absuv * ( dvrp_colortable_entries_prt - 1 ) |
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| 120 | |
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| 121 | ENDDO |
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| 122 | |
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| 123 | ELSEIF ( particle_color == 'pt*' ) THEN |
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| 124 | ! |
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| 125 | !-- Set particle color depending on the resolved scale temperature |
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| 126 | !-- fluctuation. |
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| 127 | !-- First, calculate the horizontal average of the potential temperature |
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| 128 | !-- (This is also done in flow_statistics, but flow_statistics is called |
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| 129 | !-- after this routine.) |
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| 130 | sums_l(:,4,0) = 0.0 |
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| 131 | DO i = nxl, nxr |
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| 132 | DO j = nys, nyn |
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| 133 | DO k = nzb, nzt+1 |
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| 134 | sums_l(k,4,0) = sums_l(k,4,0) + pt(k,j,i) |
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| 135 | ENDDO |
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| 136 | ENDDO |
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| 137 | ENDDO |
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| 138 | |
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| 139 | #if defined( __parallel ) |
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| 140 | |
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| 141 | CALL MPI_ALLREDUCE( sums_l(nzb,4,0), sums(nzb,4), nzt+2-nzb, & |
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| 142 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
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| 143 | |
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| 144 | #else |
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| 145 | |
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| 146 | sums(:,4) = sums_l(:,4,0) |
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| 147 | |
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| 148 | #endif |
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| 149 | |
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| 150 | sums(:,4) = sums(:,4) / ngp_2dh(0) |
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| 151 | |
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| 152 | DO n = 1, number_of_particles |
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| 153 | ! |
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| 154 | !-- Interpolate temperature to the current particle position |
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| 155 | i = particles(n)%x * ddx |
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| 156 | j = particles(n)%y * ddy |
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| 157 | k = ( particles(n)%z + 0.5 * dz * atmos_ocean_sign ) / dz & |
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| 158 | + offset_ocean_nzt ! only exact if equidistant |
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| 159 | |
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| 160 | x = particles(n)%x - i * dx |
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| 161 | y = particles(n)%y - j * dy |
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| 162 | aa = x**2 + y**2 |
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| 163 | bb = ( dx - x )**2 + y**2 |
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| 164 | cc = x**2 + ( dy - y )**2 |
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| 165 | dd = ( dx - x )**2 + ( dy - y )**2 |
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| 166 | gg = aa + bb + cc + dd |
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| 167 | |
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| 168 | pt_int_l = ( ( gg - aa ) * pt(k,j,i) + ( gg - bb ) * pt(k,j,i+1) & |
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| 169 | + ( gg - cc ) * pt(k,j+1,i) + ( gg - dd ) * pt(k,j+1,i+1) & |
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| 170 | ) / ( 3.0 * gg ) - sums(k,4) |
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| 171 | |
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| 172 | pt_int_u = ( ( gg-aa ) * pt(k+1,j,i) + ( gg-bb ) * pt(k+1,j,i+1) & |
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| 173 | + ( gg-cc ) * pt(k+1,j+1,i) + ( gg-dd ) * pt(k+1,j+1,i+1) & |
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| 174 | ) / ( 3.0 * gg ) - sums(k,4) |
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| 175 | |
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| 176 | pt_int = pt_int_l + ( particles(n)%z - zu(k) ) / dz * & |
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| 177 | ( pt_int_u - pt_int_l ) |
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| 178 | |
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| 179 | ! |
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| 180 | !-- Limit values by the given interval and normalize to interval [0,1] |
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| 181 | pt_int = MIN( pt_int, color_interval(2) ) |
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| 182 | pt_int = MAX( pt_int, color_interval(1) ) |
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| 183 | |
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| 184 | pt_int = ( pt_int - color_interval(1) ) / & |
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| 185 | ( color_interval(2) - color_interval(1) ) |
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| 186 | |
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| 187 | ! |
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| 188 | !-- Number of available colors is defined in init_dvrp |
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| 189 | particles(n)%color = 1 + pt_int * ( dvrp_colortable_entries_prt - 1 ) |
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| 190 | |
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| 191 | ENDDO |
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| 192 | |
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| 193 | ELSEIF ( particle_color == 'z' ) THEN |
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| 194 | ! |
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| 195 | !-- Set particle color depending on the height above the bottom |
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| 196 | !-- boundary (z=0) |
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| 197 | DO n = 1, number_of_particles |
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| 198 | |
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| 199 | height = particles(n)%z |
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| 200 | ! |
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| 201 | !-- Limit values by the given interval and normalize to interval [0,1] |
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| 202 | height = MIN( height, color_interval(2) ) |
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| 203 | height = MAX( height, color_interval(1) ) |
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| 204 | |
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| 205 | height = ( height - color_interval(1) ) / & |
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| 206 | ( color_interval(2) - color_interval(1) ) |
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| 207 | |
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| 208 | ! |
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| 209 | !-- Number of available colors is defined in init_dvrp |
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| 210 | particles(n)%color = 1 + height * ( dvrp_colortable_entries_prt - 1 ) |
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| 211 | |
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| 212 | ENDDO |
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| 213 | |
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| 214 | ENDIF |
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| 215 | |
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| 216 | ! |
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| 217 | !-- Set particle size for dvrp graphics |
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| 218 | IF ( particle_dvrpsize == 'absw' ) THEN |
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| 219 | |
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| 220 | DO n = 1, number_of_particles |
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| 221 | ! |
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| 222 | !-- Interpolate w-component to the current particle position |
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| 223 | i = particles(n)%x * ddx |
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| 224 | j = particles(n)%y * ddy |
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| 225 | k = particles(n)%z / dz |
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| 226 | |
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| 227 | x = particles(n)%x - i * dx |
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| 228 | y = particles(n)%y - j * dy |
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| 229 | aa = x**2 + y**2 |
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| 230 | bb = ( dx - x )**2 + y**2 |
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| 231 | cc = x**2 + ( dy - y )**2 |
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| 232 | dd = ( dx - x )**2 + ( dy - y )**2 |
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| 233 | gg = aa + bb + cc + dd |
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| 234 | |
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| 235 | w_int_l = ( ( gg - aa ) * w(k,j,i) + ( gg - bb ) * w(k,j,i+1) & |
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| 236 | + ( gg - cc ) * w(k,j+1,i) + ( gg - dd ) * w(k,j+1,i+1) & |
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| 237 | ) / ( 3.0 * gg ) |
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| 238 | |
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| 239 | IF ( k+1 == nzt+1 ) THEN |
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| 240 | w_int = w_int_l |
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| 241 | ELSE |
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| 242 | w_int_u = ( ( gg-aa ) * w(k+1,j,i) + ( gg-bb ) * w(k+1,j,i+1) & |
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| 243 | + ( gg-cc ) * w(k+1,j+1,i) + ( gg-dd ) * w(k+1,j+1,i+1) & |
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| 244 | ) / ( 3.0 * gg ) |
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| 245 | w_int = w_int_l + ( particles(n)%z - zw(k) ) / dz * & |
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| 246 | ( w_int_u - w_int_l ) |
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| 247 | ENDIF |
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| 248 | |
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| 249 | ! |
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| 250 | !-- Limit values by the given interval and normalize to interval [0,1] |
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| 251 | w_int = ABS( w_int ) |
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| 252 | w_int = MIN( w_int, dvrpsize_interval(2) ) |
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| 253 | w_int = MAX( w_int, dvrpsize_interval(1) ) |
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| 254 | |
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| 255 | w_int = ( w_int - dvrpsize_interval(1) ) / & |
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| 256 | ( dvrpsize_interval(2) - dvrpsize_interval(1) ) |
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| 257 | |
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| 258 | particles(n)%dvrp_psize = ( 0.25 + w_int * 0.6 ) * dx |
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| 259 | |
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| 260 | ENDDO |
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| 261 | |
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| 262 | ENDIF |
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| 263 | |
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| 264 | CALL cpu_log( log_point_s(49), 'set_particle_attributes', 'stop' ) |
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| 265 | |
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| 266 | |
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| 267 | END SUBROUTINE set_particle_attributes |
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