!------------------------------------------------------------------------------- !-- 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 = 50.0, ! Size of single gridbox in x-direction dy = 50.0, ! Size of single gridbox in y-direction dz = 50.0, ! Size of single gridbox in z-direction dz_stretch_level = 1225.0, ! Height (in m) where stretching starts dz_stretch_factor = 1.08, ! dz(k+1) = dz(k) * dz_stretch_factor ! !-- initialization !------------------------------------------------------------------------------- initializing_actions = 'set_constant_profiles', ! initial conditions loop_optimization = 'vector', ! use 'cache' or 'vector' ug_surface = 0.0, ! 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, 1.0, ! piecewise temp gradients pt_vertical_gradient_level = 0.0, 800.0, ! height level of temp gradients ! !-- boundary conditions !------------------------------------------------------------------------------- surface_heatflux = 0.1, ! sensible heat flux at the bottom surface bc_pt_b = 'neumann', ! required with surface_heatflux ! !-- numerics !------------------------------------------------------------------------------- fft_method = 'temperton-algorithm', ! build-in fft method / ! 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 = 60.0, ! 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_2d_on_each_pe = .FALSE., ! don't do 2D output on each MPI rank ! !-- data output !------------------------------------------------------------------------------- dt_run_control = 0.0, ! output interval for run control / ! end of runtime parameter namelist