!------------------------------------------------------------------------------- !-- 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 !------------------------------------------------------------------------------- initializing_actions = 'set_constant_profiles', ! initial conditions ug_surface = 1.0, ! u-comp of geostrophic wind at surface vg_surface = 0.0, ! v-comp of geostrophic wind at surface s_surface = 0.0008, ! equivalent to 420ppm CO2 as background ! concentration ! !-- boundary conditions !------------------------------------------------------------------------------- bc_uv_t = 'neumann', ! free-slip boundary condition surface_scalarflux = 0.02, ! kg emission per square meter and second bc_s_b = 'neumann', ! bottom boundary condition for scalar ! concentration. Required with scalar !flux roughness_length = 0.1, ! roughness length (in m) for momentum ! !-- numerics !------------------------------------------------------------------------------- fft_method = 'temperton-algorithm', ! build-in fft method momentum_advec = 'ws-scheme', ! default advection scheme scalar_advec = 'ws-scheme', ! default advection scheme ! !-- mode !------------------------------------------------------------------------------- neutral = .TRUE., ! strictly neutral flow passive_scalar = .TRUE., ! switch on prognostic equation for pas. ! scalar dp_external = .TRUE., ! use ext. pressure gradient as driving force dpdxy = -0.0002, 0.0, ! external pressure gradient applied ! in x- and y-direction (Pa/m) ! !-- physics !------------------------------------------------------------------------------- omega = 0.0, ! angular velocity of the rotating system, ! no Coriolis force ! !-- topography !------------------------------------------------------------------------------- topography = 'read_from_file', ! ASCII Input file contains the ! arbitrary topography height ! information in m. / ! 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 = 10800.0, ! simulation time of the 3D model create_disturbances = .TRUE., ! randomly perturbate horiz. velocity ! !-- data output !------------------------------------------------------------------------------- skip_time_data_output = 0.0, ! no data output before this time interval dt_data_output = 3600.0, ! output interval for general data averaging_interval = 3600.0, ! averaging interval general data dt_averaging_input = 6.0, ! general data sampling rate for averaging dt_run_control = 6.0, ! output interval for run control dt_dots = 6.0, ! output interval for time series skip_time_dopr = 0.0, ! no profile data output before this time ! interval dt_dopr = 3600.0, ! output interval for profile data averaging_interval_pr = 3600.0, ! averaging interval profile data dt_averaging_input_pr = 6.0, ! profile data sampling rate for averaging do3d_at_begin = .TRUE., ! output of 3d volume data at the beginning do2d_at_begin = .TRUE., ! output of 2d data at the beginning dt_do2d_xy = 3600.0, ! output interval for xy cross sections dt_do2d_xz = 3600.0, ! output interval for xz cross sections data_output_pr = '#u', 'u*2', 'wu', 'w*u*', 'w"u"', '#v', 'v*2', 'wv', 'w*v*', 'w"v"', 'w', 'w*2', 'e', 'e*', '#km', '#l', '#s', 'ws', 'w*s*', 'w"s"', data_output = 'u', 'u_av', 'u_xy', 'u_xz', 'u_xz_av', 'v', 'v_av', 'w', 'w_av', 's', 's_av', 'ssws*_xy', 'pc', 'pc_av', 'pc_xy', 'pc_xz', 'pc_xz_av', section_xy = -1, 21, 22, 23, ! grid index for 2D XY cross ! sections section_xz = -1, 17, 18, 19, ! grid index for 2D XZ cross ! sections / ! 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 particle transport !------------------------------------------------------------------------------- bc_par_lr = 'absorb', ! lateral boundary condition bc_par_b = 'reflect', ! bottom boundary condition bc_par_t = 'reflect', ! top boundary condition ! !-- define point source !------------------------------------------------------------------------------- psb = 45.0, ! bottom edge of a particle source pst = 45.0, ! top edge of a particle source pss = 40.0, ! front ("south") edge of a particle source psn = 40.0, ! rear ("north") edge of a particle source psl = 25.0, ! left edge of a particle source psr = 25.0, ! right edge of a particle source particles_per_point = 100, ! particles per point (default = 1) random_start_position = .FALSE., ! add random fluctuations for initial ! particle position ! !-- define time variables of particle relaese !------------------------------------------------------------------------------- dt_prel = 1.0, ! time after new particle set is released step_dealloc = 50, ! time steps after arrays are deallocated particle_maximum_age = 200.0, ! maximum allowed age of particles in s ! !-- physics of particles !------------------------------------------------------------------------------- use_sgs_for_particles = .TRUE., ! SGS-velocities for particles ! !-- particle output !------------------------------------------------------------------------------- dt_dopts = 10.0, ! output interval for particle quantities / ! end of particle parameter namelist !------------------------------------------------------------------------------- !-- USER PARAMETER NAMELIST ! Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/userpar !------------------------------------------------------------------------------- &user_parameters ! !-- definition of emission stripe !------------------------------------------------------------------------------- emission_stripe_width_y = 6.0, ! width of emission stripe in meters emission_stripe_orig_y = 12.0, 62.0, ! origin of emission stripe in meters ! !-- defition of time series output !------------------------------------------------------------------------------- s_ts_pos_x = 17.0, 61.0, 75.0, ! x position of scalar time ! series output s_ts_pos_y = 25.0, 15.0, 41.0, ! y-position of scalar time ! series output / ! end of user parameter namelist