!------------------------------------------------------------------------------- !-- INITIALIZATION PARAMETER NAMELIST ! Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/inipar !------------------------------------------------------------------------------- &initialization_parameters ! !-- grid parameters !------------------------------------------------------------------------------- nx = 39, ! Number of gridboxes in x-direction (nx+1) ny = 39, ! Number of gridboxes in y-direction (ny+1) nz = 40, ! Number of gridboxes in z-direction (nz) dx = 2.0, ! Size of single gridbox in x-direction dy = 2.0, ! Size of single gridbox in y-direction dz = 2.0, ! Size of single gridbox in z-direction ! !-- initialization and vertical profiles !------------------------------------------------------------------------------- initializing_actions = 'set_constant_profiles', ug_surface = 1.0, vg_surface = 0.0, ! !-- numerics !------------------------------------------------------------------------------- fft_method = 'temperton-algorithm', ! build-in fft method ! !-- advection schemes !------------------------------------------------------------------------------- momentum_advec = 'ws-scheme', ! default advection scheme scalar_advec = 'ws-scheme', ! !-- temperature setup !------------------------------------------------------------------------------- neutral = .TRUE., ! strictly neutral flow ! !-- tracer setup, passive scalar as eulerian field !------------------------------------------------------------------------------- passive_scalar = .TRUE., s_surface = 0.0008, !equivalent to 420ppm CO2 as background concentration surface_scalarflux = 0.02, !kg emission per square meter and second bc_s_b = 'neumann', !boundary conditions for passice scalar at bottom ! !-- boundary conditions !------------------------------------------------------------------------------- bc_uv_t = 'neumann', ! free-slip boundary condition roughness_length = 0.1, ! applies to all surfaces locally ! !-- special methods !------------------------------------------------------------------------------- dp_external = .TRUE., ! use horizontal pressure gradient dpdxy = -0.0002, 0.0, ! for forcing omega = 0.0, ! no Coriolis force ! !-- topography !------------------------------------------------------------------------------- topography = 'read_from_file', topography_grid_convention = 'cell_center', ! default / ! end of initialization parameter namelist !------------------------------------------------------------------------------- !-- RUNTIME PARAMETER NAMELIST ! Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/d3par !------------------------------------------------------------------------------- &runtime_parameters ! !-- run steering !------------------------------------------------------------------------------- end_time = 120.0, create_disturbances = .TRUE., ! !-- data output !------------------------------------------------------------------------------- netcdf_data_format = 2, ! use NetCDF3 dt_data_output = 100.0, dt_run_control = 0.0, dt_dots = 0.0, dt_do2d_xy = 100.0, dt_do2d_xz = 100.0, data_output_pr = '#u', 'u*2', 'wu', 'w*u*', 'w"u"', '#v', 'e', 'e*', '#l', '#s', data_output = 'u', 'v', 'w', 's', 'pc', / ! end of runtime parameter namelist !------------------------------------------------------------------------------- !-- PARTICLE PARAMETER NAMELIST ! Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/parpar !------------------------------------------------------------------------------- &particle_parameters ! !-- Boundary conditions for particles !------------------------------------------------------------------------------- bc_par_lr = 'absorb', ! Left/Right boundary conditions bc_par_b = 'reflect',! Bottom boundary condition bc_par_t = 'reflect',! Top boundary condition ! !-- Define particle source (Here a point source is defined) !------------------------------------------------------------------------------- psb = 45.0, ! Bottom edge of particle source pst = 45.0, ! Top edge of particle source pss = 40.0, ! South edge of particle source psn = 40.0, ! North edge of particle source psl = 25.0, ! Left edge of particle source psr = 25.0, ! Right edge of particle source ! !-- Particle properties (Here a point source is defined) !------------------------------------------------------------------------------- dt_prel = 1.0, ! Time after new particle set is released step_dealloc = 100, ! Time steps after array are deallocated particles_per_point = 100, ! Particles per point (default = 1) particle_maximum_age = 200.0,! Maximum time for particles (particles will be deleted after 200s) random_start_position = .FALSE., ! Add random fluctuations for initial particle position use_sgs_for_particles = .TRUE., ! SGS-velocities for particles dt_dopts = 10.0, ! Particle time series interval / ! end of particle parameter namelist