!> @file lpm_set_attributes.f90 !------------------------------------------------------------------------------! ! This file is part of the PALM model system. ! ! PALM is free software: you can redistribute it and/or modify it under the ! terms of the GNU General Public License as published by the Free Software ! Foundation, either version 3 of the License, or (at your option) any later ! version. ! ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. ! ! You should have received a copy of the GNU General Public License along with ! PALM. If not, see . ! ! Copyright 1997-2019 Leibniz Universitaet Hannover !------------------------------------------------------------------------------! ! ! Current revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! $Id: lpm_set_attributes.f90 3655 2019-01-07 16:51:22Z dom_dwd_user $ ! unused variables removed ! ! 3065 2018-06-12 07:03:02Z Giersch ! dz was replaced by dzw to allow for right vertical stretching ! ! 2718 2018-01-02 08:49:38Z maronga ! Corrected "Former revisions" section ! ! 2696 2017-12-14 17:12:51Z kanani ! Change in file header (GPL part) ! ! 2123 2017-01-18 12:34:59Z hoffmann ! ! 2122 2017-01-18 12:22:54Z hoffmann ! DVRP routine removed ! ! 2000 2016-08-20 18:09:15Z knoop ! Forced header and separation lines into 80 columns ! ! 1822 2016-04-07 07:49:42Z hoffmann ! Unused variables removed. ! ! 1682 2015-10-07 23:56:08Z knoop ! Code annotations made doxygen readable ! ! 1359 2014-04-11 17:15:14Z hoffmann ! New particle structure integrated. ! Kind definition added to all floating point numbers. ! ! 1320 2014-03-20 08:40:49Z raasch ! ONLY-attribute added to USE-statements, ! kind-parameters added to all INTEGER and REAL declaration statements, ! kinds are defined in new module kinds, ! revision history before 2012 removed, ! comment fields (!:) to be used for variable explanations added to ! all variable declaration statements ! ! 1318 2014-03-17 13:35:16Z raasch ! module interfaces removed ! ! 1036 2012-10-22 13:43:42Z raasch ! code put under GPL (PALM 3.9) ! ! 849 2012-03-15 10:35:09Z raasch ! routine renamed: set_particle_attributes -> lpm_set_attributes ! ! 828 2012-02-21 12:00:36Z raasch ! particle feature color renamed class ! ! 271 2009-03-26 00:47:14Z raasch ! Initial version ! ! Description: ! ------------ !> This routine sets certain particle attributes depending on the values that !> other PALM variables have at the current particle position. !------------------------------------------------------------------------------! SUBROUTINE lpm_set_attributes USE arrays_3d, & ONLY: dzw, pt, u, v, zu USE control_parameters, & ONLY: u_gtrans, v_gtrans USE cpulog, & ONLY: cpu_log, log_point_s USE dvrp_variables, & ONLY: color_interval, dvrp_colortable_entries_prt, particle_color USE grid_variables, & ONLY: dx, dy USE indices, & ONLY: ngp_2dh, nxl, nxr, nyn, nys, nzb, nzt USE kinds USE particle_attributes, & ONLY: block_offset, grid_particles, number_of_particles, particles, & prt_count USE pegrid USE statistics, & ONLY: sums, sums_l IMPLICIT NONE INTEGER(iwp) :: i !< INTEGER(iwp) :: ip !< INTEGER(iwp) :: j !< INTEGER(iwp) :: jp !< INTEGER(iwp) :: k !< INTEGER(iwp) :: kp !< INTEGER(iwp) :: n !< INTEGER(iwp) :: nb !< INTEGER(iwp), DIMENSION(0:7) :: start_index !< INTEGER(iwp), DIMENSION(0:7) :: end_index !< REAL(wp) :: aa !< REAL(wp) :: absuv !< REAL(wp) :: bb !< REAL(wp) :: cc !< REAL(wp) :: dd !< REAL(wp) :: gg !< REAL(wp) :: height !< REAL(wp) :: pt_int !< REAL(wp) :: pt_int_l !< REAL(wp) :: pt_int_u !< REAL(wp) :: u_int_l !< REAL(wp) :: u_int_u !< REAL(wp) :: v_int_l !< REAL(wp) :: v_int_u !< REAL(wp) :: x !< REAL(wp) :: y !< REAL(wp), DIMENSION(:), ALLOCATABLE :: u_int !< REAL(wp), DIMENSION(:), ALLOCATABLE :: v_int !< REAL(wp), DIMENSION(:), ALLOCATABLE :: xv !< REAL(wp), DIMENSION(:), ALLOCATABLE :: yv !< REAL(wp), DIMENSION(:), ALLOCATABLE :: zv !< CALL cpu_log( log_point_s(49), 'lpm_set_attributes', 'start' ) ! !-- Set particle color IF ( particle_color == 'absuv' ) THEN ! !-- Set particle color depending on the absolute value of the horizontal !-- velocity DO ip = nxl, nxr DO jp = nys, nyn DO kp = nzb+1, nzt number_of_particles = prt_count(kp,jp,ip) particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) IF ( number_of_particles <= 0 ) CYCLE start_index = grid_particles(kp,jp,ip)%start_index end_index = grid_particles(kp,jp,ip)%end_index ALLOCATE( u_int(1:number_of_particles), & v_int(1:number_of_particles), & xv(1:number_of_particles), & yv(1:number_of_particles), & zv(1:number_of_particles) ) xv = particles(1:number_of_particles)%x yv = particles(1:number_of_particles)%y zv = particles(1:number_of_particles)%z DO nb = 0,7 i = ip j = jp + block_offset(nb)%j_off k = kp + block_offset(nb)%k_off DO n = start_index(nb), end_index(nb) ! !-- Interpolation of the velocity components in the xy-plane x = xv(n) + ( 0.5_wp - i ) * dx y = yv(n) - j * dy aa = x**2 + y**2 bb = ( dx - x )**2 + y**2 cc = x**2 + ( dy - y )**2 dd = ( dx - x )**2 + ( dy - y )**2 gg = aa + bb + cc + dd u_int_l = ( ( gg - aa ) * u(k,j,i) + ( gg - bb ) * & u(k,j,i+1) + ( gg - cc ) * u(k,j+1,i) + & ( gg - dd ) * u(k,j+1,i+1) & ) / ( 3.0_wp * gg ) - u_gtrans IF ( k+1 == nzt+1 ) THEN u_int(n) = u_int_l ELSE u_int_u = ( ( gg - aa ) * u(k+1,j,i) + ( gg - bb ) * & u(k+1,j,i+1) + ( gg - cc ) * u(k+1,j+1,i) + & ( gg - dd ) * u(k+1,j+1,i+1) & ) / ( 3.0_wp * gg ) - u_gtrans u_int(n) = u_int_l + ( zv(n) - zu(k) ) / dzw(k) * & ( u_int_u - u_int_l ) ENDIF ENDDO i = ip + block_offset(nb)%i_off j = jp k = kp + block_offset(nb)%k_off DO n = start_index(nb), end_index(nb) ! !-- Same procedure for interpolation of the v velocity-component x = xv(n) - i * dx y = yv(n) + ( 0.5_wp - j ) * dy aa = x**2 + y**2 bb = ( dx - x )**2 + y**2 cc = x**2 + ( dy - y )**2 dd = ( dx - x )**2 + ( dy - y )**2 gg = aa + bb + cc + dd v_int_l = ( ( gg - aa ) * v(k,j,i) + ( gg - bb ) * & v(k,j,i+1) + ( gg - cc ) * v(k,j+1,i) + & ( gg - dd ) * v(k,j+1,i+1) & ) / ( 3.0_wp * gg ) - v_gtrans IF ( k+1 == nzt+1 ) THEN v_int(n) = v_int_l ELSE v_int_u = ( ( gg - aa ) * v(k+1,j,i) + ( gg - bb ) * & v(k+1,j,i+1) + ( gg - cc ) * v(k+1,j+1,i) + & ( gg - dd ) * v(k+1,j+1,i+1) & ) / ( 3.0_wp * gg ) - v_gtrans v_int(n) = v_int_l + ( zv(n) - zu(k) ) / dzw(k) * & ( v_int_u - v_int_l ) ENDIF ENDDO ENDDO DO n = 1, number_of_particles absuv = SQRT( u_int(n)**2 + v_int(n)**2 ) ! !-- Limit values by the given interval and normalize to !-- interval [0,1] absuv = MIN( absuv, color_interval(2) ) absuv = MAX( absuv, color_interval(1) ) absuv = ( absuv - color_interval(1) ) / & ( color_interval(2) - color_interval(1) ) ! !-- Number of available colors is defined in init_dvrp particles(n)%class = 1 + absuv * & ( dvrp_colortable_entries_prt - 1 ) ENDDO DEALLOCATE( u_int, v_int, xv, yv, zv ) ENDDO ENDDO ENDDO ELSEIF ( particle_color == 'pt*' ) THEN ! !-- Set particle color depending on the resolved scale temperature !-- fluctuation. !-- First, calculate the horizontal average of the potential temperature !-- (This is also done in flow_statistics, but flow_statistics is called !-- after this routine.) sums_l(:,4,0) = 0.0_wp DO i = nxl, nxr DO j = nys, nyn DO k = nzb, nzt+1 sums_l(k,4,0) = sums_l(k,4,0) + pt(k,j,i) ENDDO ENDDO ENDDO #if defined( __parallel ) IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) CALL MPI_ALLREDUCE( sums_l(nzb,4,0), sums(nzb,4), nzt+2-nzb, & MPI_REAL, MPI_SUM, comm2d, ierr ) #else sums(:,4) = sums_l(:,4,0) #endif sums(:,4) = sums(:,4) / ngp_2dh(0) DO ip = nxl, nxr DO jp = nys, nyn DO kp = nzb+1, nzt number_of_particles = prt_count(kp,jp,ip) particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) IF ( number_of_particles <= 0 ) CYCLE start_index = grid_particles(kp,jp,ip)%start_index end_index = grid_particles(kp,jp,ip)%end_index ALLOCATE( xv(1:number_of_particles), & yv(1:number_of_particles), & zv(1:number_of_particles) ) xv = particles(1:number_of_particles)%x yv = particles(1:number_of_particles)%y zv = particles(1:number_of_particles)%z DO nb = 0,7 i = ip + block_offset(nb)%i_off j = jp + block_offset(nb)%j_off k = kp + block_offset(nb)%k_off DO n = start_index(nb), end_index(nb) ! !-- Interpolate temperature to the current particle position x = xv(n) - i * dx y = yv(n) - j * dy aa = x**2 + y**2 bb = ( dx - x )**2 + y**2 cc = x**2 + ( dy - y )**2 dd = ( dx - x )**2 + ( dy - y )**2 gg = aa + bb + cc + dd pt_int_l = ( ( gg - aa ) * pt(k,j,i) + ( gg - bb ) * & pt(k,j,i+1) + ( gg - cc ) * pt(k,j+1,i) + & ( gg - dd ) * pt(k,j+1,i+1) & ) / ( 3.0_wp * gg ) - sums(k,4) pt_int_u = ( ( gg - aa ) * pt(k+1,j,i) + ( gg - bb ) * & pt(k+1,j,i+1) + ( gg - cc ) * pt(k+1,j+1,i) + & ( gg - dd ) * pt(k+1,j+1,i+1) & ) / ( 3.0_wp * gg ) - sums(k,4) pt_int = pt_int_l + ( zv(n) - zu(k) ) / dzw(k) * & ( pt_int_u - pt_int_l ) ! !-- Limit values by the given interval and normalize to !-- interval [0,1] pt_int = MIN( pt_int, color_interval(2) ) pt_int = MAX( pt_int, color_interval(1) ) pt_int = ( pt_int - color_interval(1) ) / & ( color_interval(2) - color_interval(1) ) ! !-- Number of available colors is defined in init_dvrp particles(n)%class = 1 + pt_int * & ( dvrp_colortable_entries_prt - 1 ) ENDDO ENDDO DEALLOCATE( xv, yv, zv ) ENDDO ENDDO ENDDO ELSEIF ( particle_color == 'z' ) THEN ! !-- Set particle color depending on the height above the bottom !-- boundary (z=0) DO ip = nxl, nxr DO jp = nys, nyn DO kp = nzb+1, nzt number_of_particles = prt_count(kp,jp,ip) particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles) IF ( number_of_particles <= 0 ) CYCLE DO n = 1, number_of_particles height = particles(n)%z ! !-- Limit values by the given interval and normalize to !-- interval [0,1] height = MIN( height, color_interval(2) ) height = MAX( height, color_interval(1) ) height = ( height - color_interval(1) ) / & ( color_interval(2) - color_interval(1) ) ! !-- Number of available colors is defined in init_dvrp particles(n)%class = 1 + height * & ( dvrp_colortable_entries_prt - 1 ) ENDDO ENDDO ENDDO ENDDO ENDIF CALL cpu_log( log_point_s(49), 'lpm_set_attributes', 'stop' ) END SUBROUTINE lpm_set_attributes