PROGRAM analyze_particle_data !-------------------------------------------------------------------------------! ! Actual revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! ! ! Description: ! ------------ ! This routine reads the particle data files generated by PALM ! and does some statistical analysis on these data. !-------------------------------------------------------------------------------! IMPLICIT NONE ! !-- Variable definitions CHARACTER (LEN=5) :: id_char CHARACTER (LEN=80) :: run_description_header INTEGER, PARAMETER :: spk = SELECTED_REAL_KIND( 6 ) INTEGER :: class, danz = 0, i, id, maximum_number_of_particles, n, & number_of_intervalls, number_of_particles, & number_of_vertical_levels, timelevel = 1, vertical_level, & total_number_of_particles INTEGER, DIMENSION(:), ALLOCATABLE :: class_table LOGICAL :: found REAL :: class_width, hdistance, km, km_x, km_y, particle_age, sigma, & sigma_local, sigma_local_x, sigma_local_y, sigma_x, sigma_y, & simulated_time, vertical_resolution REAL, DIMENSION(:,:), ALLOCATABLE :: diffusivities TYPE particle_type SEQUENCE INTEGER :: color, tailpoints REAL :: age, origin_x, origin_y, origin_z, size, speed_x, speed_y, & speed_z, x, y, z END TYPE particle_type TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: particles ! !-- Check, if file from PE0 exists and terminate program if it doesn't. WRITE (id_char,'(''_'',I4.4)') danz INQUIRE ( FILE=id_char, EXIST=found ) ! !-- Find out the number of files (equal to the number of PEs which !-- have been used in PALM) and open them DO WHILE ( found ) OPEN ( danz+110, FILE=id_char, FORM='UNFORMATTED' ) danz = danz + 1 WRITE (id_char,'(''_'',I4.4)') danz INQUIRE ( FILE=id_char, EXIST=found ) ENDDO ! !-- Info-output PRINT*, '' PRINT*, '*** analyze_particle_data ***' IF ( danz /= 0 ) THEN PRINT*, '*** ', danz, ' file(s) found' ELSE PRINT*, '+++ file _0000 not found' PRINT*, ' program terminated' STOP ENDIF ! !-- Loop over all timelevels of output DO total_number_of_particles = 0 sigma = 0.0 sigma_x = 0.0 sigma_y = 0.0 ! !-- Loop over all files (reading data of the subdomains) DO id = 0, danz-1 ! !-- Read file header IF ( timelevel == 1 ) THEN READ ( id+110 ) run_description_header ! !-- Print header information IF ( id == 0 ) THEN PRINT*, '*** run: ', run_description_header PRINT*, ' ' PRINT*, '--> enter class width in m:' READ*, class_width PRINT*, '--> enter number of class intervalls:' READ*, number_of_intervalls PRINT*, '--> enter vertical resolution in m:' READ*, vertical_resolution PRINT*, '--> enter number of vertical levels:' READ*, number_of_vertical_levels ! !-- Allocate table space ALLOCATE( class_table( 0:number_of_intervalls ) ) class_table = 0 ALLOCATE( diffusivities(0:number_of_vertical_levels,5) ) diffusivities = 0.0 ENDIF ENDIF ! !-- Read time information and indices READ ( id+110, END=10 ) simulated_time, maximum_number_of_particles,& number_of_particles ! !-- Print timelevel and number of particles IF ( id == 0 ) THEN PRINT*, ' ' PRINT*, '*** time: ', simulated_time ENDIF PRINT*, 'PE', id, ': ', number_of_particles, ' particles' ! !-- Allocate array and read particle data ALLOCATE( particles(maximum_number_of_particles) ) READ ( id+110 ) particles ! !-- Analyze the particle data DO n = 1, number_of_particles ! !-- Calculate horizontal distance from of particle from its origin hdistance = SQRT( ( particles(n)%x - particles(n)%origin_x )**2 + & ( particles(n)%y - particles(n)%origin_y )**2 ) class = hdistance / class_width sigma_local = hdistance**2 sigma_local_x = ( particles(n)%x - particles(n)%origin_x )**2 sigma_local_y = ( particles(n)%y - particles(n)%origin_y )**2 vertical_level = particles(n)%origin_z / vertical_resolution IF ( vertical_level > number_of_vertical_levels ) THEN vertical_level = number_of_vertical_levels ENDIF IF ( class > number_of_intervalls ) THEN class = number_of_intervalls ! PRINT*, 'x =',particles(n)%x,' y =',particles(n)%y ! PRINT*, 'xo=',particles(n)%origin_x,' yo=',particles(n)%origin_y ENDIF class_table(class) = class_table(class) + 1 diffusivities(vertical_level,1) = diffusivities(vertical_level,1) +& sigma_local diffusivities(vertical_level,2) = diffusivities(vertical_level,2) +& sigma_local_x diffusivities(vertical_level,3) = diffusivities(vertical_level,3) +& sigma_local_y diffusivities(vertical_level,4) = diffusivities(vertical_level,4) +& 1.0 vertical_level = particles(n)%z / vertical_resolution IF ( vertical_level > number_of_vertical_levels ) THEN vertical_level = number_of_vertical_levels ENDIF diffusivities(vertical_level,5) = diffusivities(vertical_level,5) +& 1.0 ! !-- Summation for variances sigma = sigma + sigma_local sigma_x = sigma_x + sigma_local_x sigma_y = sigma_y + sigma_local_y total_number_of_particles = total_number_of_particles + 1 ENDDO ! !-- Store the particle age (it is provided that all particles have the !-- same age) particle_age = particles(1)%age ! !-- Deallocate particle array before data from next file are read DEALLOCATE( particles ) ENDDO ! next file ! !-- Print statistics PRINT*, ' ' PRINT*, '*** statistics for t = ', simulated_time DO n = 0, number_of_intervalls-1 WRITE ( *, 1 ) n*class_width, (n+1)*class_width, class_table(n) 1 FORMAT (F6.1,' - ',F6.1, ' m n = ',I7) ENDDO WRITE ( *, 2 ) (number_of_intervalls+1)*class_width, & class_table(number_of_intervalls) 2 FORMAT (6X,' > ',F6.1,' m n = ',I7) sigma = SQRT( sigma / REAL( total_number_of_particles ) ) km = sigma**2 / ( 2.0 * particle_age ) sigma_x = SQRT( sigma_x / REAL( total_number_of_particles ) ) km_x = sigma_x**2 / ( 2.0 * particle_age ) sigma_y = SQRT( sigma_y / REAL( total_number_of_particles ) ) km_y = sigma_y**2 / ( 2.0 * particle_age ) PRINT*, ' ' WRITE ( *, 3 ) sigma, km, sigma_x, km_x, sigma_y, km_y 3 FORMAT ('sigma = ',F6.1,' m Km = ',F5.1,' m**2/s'/ & 'sigma_x = ',F6.1,' m Km_x = ',F5.1,' m**2/s'/ & 'sigma_y = ',F6.1,' m Km_y = ',F5.1,' m**2/s') PRINT*, ' ' PRINT*, 'Height dependence of diffusivities:' DO i = 0, number_of_vertical_levels-1 IF ( diffusivities(i,4) == 0.0 ) diffusivities(i,4) = 1.0E-20 WRITE ( *, 4 ) i*vertical_resolution, (i+1.0)*vertical_resolution,& ( diffusivities(i,1) / diffusivities(i,4) ) / & ( 2.0 * particle_age ), & ( diffusivities(i,2) / diffusivities(i,4) ) / & ( 2.0 * particle_age ), & ( diffusivities(i,3) / diffusivities(i,4) ) / & ( 2.0 * particle_age ), & diffusivities(i,4), diffusivities(i,5) 4 FORMAT (F6.1,'-',F6.1,' m Km=',F5.1,' Km_x=',F5.1, & ' Km_y=',F5.1,' n_o=',F7.0,' n=',F7.0) ENDDO IF ( diffusivities(number_of_vertical_levels,4) == 0.0 ) THEN diffusivities(number_of_vertical_levels,4) = 1.0E-20 ENDIF i = number_of_vertical_levels WRITE ( *, 5 ) i*vertical_resolution, & ( diffusivities(i,1) / diffusivities(i,4) ) / & ( 2.0 * particle_age ), & ( diffusivities(i,2) / diffusivities(i,4) ) / & ( 2.0 * particle_age ), & ( diffusivities(i,3) / diffusivities(i,4) ) / & ( 2.0 * particle_age ), & diffusivities(i,4), diffusivities(i,5) 5 FORMAT (F6.1,'-...... m Km=',F5.1,' Km_x=',F5.1, & ' Km_y=',F5.1,' n_o=',F7.0,' n=',F7.0) ! !-- Initialize class table for next timelevel class_table = 0 diffusivities = 0.0 timelevel = timelevel + 1 ENDDO ! next timelevel 10 PRINT*, '*** EOF reached on file PARTICLE_DATA/_0000' END PROGRAM analyze_particle_data