!------------------------------------------------------------------------------- !-- INITIALIZATION PARAMETER NAMELIST ! https://palm.muk.uni-hannover.de/trac/wiki/doc/app/initialization_parameters !------------------------------------------------------------------------------- &initialization_parameters ! !-- grid parameters !------------------------------------------------------------------------------- nx = 49, ! Number of gridboxes in x-direction (nx+1) ny = 49, ! Number of gridboxes in y-direction (ny+1) nz = 100,! Number of gridboxes in z-direction (nz) dx = 20.0, ! Size of single gridbox in x-direction dy = 20.0, ! Size of single gridbox in y-direction dz = 20.0, ! Size of single gridbox in z-direction ! !-- initialization !------------------------------------------------------------------------------- initializing_actions = 'set_constant_profiles' , ! initial conditions ug_surface = 5.0 , ! u-comp of geostrophic wind at surface vg_surface = 0.0 , ! v-comp of geostrophic wind at surface pt_surface = 300.0, ! initial surface potential temp pt_vertical_gradient = 0.0, ! piecewise temp gradients pt_vertical_gradient_level = 0.0, ! height level of temp gradients ! !-- boundary conditions !------------------------------------------------------------------------------- bc_uv_b = 'dirichlet', bc_uv_t = 'dirichlet', bc_p_b = 'neumann', bc_p_t = 'dirichlet', constant_flux_layer = .TRUE., roughness_length = 0.1 , ! !-- numerics !------------------------------------------------------------------------------- fft_method = 'temperton-algorithm', ! build-in fft method rayleigh_damping_height = 1250.0, rayleigh_damping_factor = 0.01, ! !-- mode !------------------------------------------------------------------------------- neutral = .TRUE., ! switch off calculation of temperature equation galilei_transformation = .TRUE., ! application of a Galilei-transformation / ! end of initialization parameter namelist !------------------------------------------------------------------------------- !-- RUNTIME PARAMETER NAMELIST ! https://palm.muk.uni-hannover.de/trac/wiki/doc/app/runtime_parameters !------------------------------------------------------------------------------- &runtime_parameters ! !-- run steering !------------------------------------------------------------------------------- end_time = 172800.0, ! simulation time of the 3D model create_disturbances = .TRUE., ! randomly perturbate horiz. velocity dt_disturb = 150.0, ! interval for random perturbations disturbance_energy_limit = 0.01, ! upper limit for perturbation energy ! !-- data output !------------------------------------------------------------------------------- netcdf_data_format = 2, ! use NetCDF3 dt_run_control = 60.0, dt_dopr = 10800.0, averaging_interval_pr = 10800.0, dt_averaging_input_pr = 50.0, data_output_pr = '#u', '#v', 'w', '#theta', 'w"u"', 'w*u*', 'wu', 'w"v"', 'w*v*', 'wv', 'w*2', 'theta*2', /! end of runtime parameter namelist !------------------------------------------------------------------------------- !-- SPECTRA PARAMETER NAMELIST ! https://palm.muk.uni-hannover.de/trac/wiki/doc/app/spectra_parameters !------------------------------------------------------------------------------- &spectra_parameters data_output_sp = 'u', 'v', 'w', dt_dosp = 10800.0, comp_spectra_level = 2, 5, 10, 15, 20, spectra_direction = 'x' , 'y' , 'x', averaging_interval_sp = 10800.0, /! end of spectra parameter namelist