[3580] | 1 | !------------------------------------------------------------------------------- |
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| 2 | !-- INITIALIZATION PARAMETER NAMELIST |
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| 3 | ! Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/inipar |
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| 4 | !------------------------------------------------------------------------------- |
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| 5 | &initialization_parameters |
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| 6 | ! |
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| 7 | !-- grid parameters |
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| 8 | !------------------------------------------------------------------------------- |
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| 9 | nx = 7, ! number of gridboxes in x-direction (nx+1) |
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| 10 | ny = 23, ! number of gridboxes in y-direction (ny+1) |
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| 11 | nz = 60, ! number of gridboxes in z-direction (nz) |
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| 12 | |
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| 13 | dx = 50.0, ! size of single gridbox in x-direction |
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| 14 | dy = 50.0, ! size of single gridbox in y-direction |
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| 15 | dz = 50.0, ! size of single gridbox in z-direction |
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| 16 | |
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| 17 | ! |
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| 18 | !-- initialization and vertical profiles |
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| 19 | !------------------------------------------------------------------------------- |
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| 20 | initializing_actions = 'set_constant_profiles initialize_bubble', |
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| 21 | ! initial conditions (with warm air bubble) |
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| 22 | |
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| 23 | ug_surface = 0.0, ! u-comp of geostrophic wind at surface |
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| 24 | surface_pressure = 1015.4, ! surface pressure |
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| 25 | |
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| 26 | pt_surface = 297.9, ! temperature at surface |
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| 27 | pt_vertical_gradient = 0.0, 0.585, ! vertical gradient of temperature |
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| 28 | pt_vertical_gradient_level = 0.0, 740.0, ! height level of temp gradients |
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| 29 | |
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| 30 | q_surface = 0.016, ! mixing ratio at surface |
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| 31 | q_vertical_gradient = -2.97E-4, -4.52E-4, -8.1E-5, ! gradient for mix. ratio |
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| 32 | q_vertical_gradient_level = 0.0, 740.0, 3260.0, ! height lev. for gradients |
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| 33 | |
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| 34 | ! |
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| 35 | !-- humdity and microphysics |
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| 36 | !------------------------------------------------------------------------------- |
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| 37 | humidity = .TRUE., ! enables prog. equation for total water mixing ratio |
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| 38 | cloud_droplets = .TRUE., ! instead the lcm is used for microphysics |
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| 39 | |
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| 40 | ! |
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| 41 | !-- numerics |
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| 42 | !------------------------------------------------------------------------------- |
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| 43 | fft_method = 'temperton-algorithm', ! build-in fft method |
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| 44 | |
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| 45 | / ! end of initialization parameter namelist |
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| 46 | |
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| 47 | |
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| 48 | !------------------------------------------------------------------------------- |
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| 49 | !-- RUNTIME PARAMETER NAMELIST |
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| 50 | ! Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/d3par |
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| 51 | !------------------------------------------------------------------------------- |
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| 52 | &runtime_parameters |
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| 53 | ! |
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| 54 | !-- run steering |
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| 55 | !------------------------------------------------------------------------------- |
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| 56 | end_time = 950.0, ! simulation time of the 3D model |
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| 57 | dt = 1.0, ! time step (for this setup unfortunately unphysically; |
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| 58 | ! however, a smaller time step is unfeasible for this |
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| 59 | ! test case ) |
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| 60 | netcdf_data_format = 2, ! use NetCDF3 |
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| 61 | |
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| 62 | |
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| 63 | create_disturbances = .TRUE., ! randomly perturbate horiz. velocity |
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| 64 | dt_disturb = 150.0, ! interval for random perturbations |
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| 65 | disturbance_energy_limit = 0.01, ! upper limit for perturbation energy |
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| 66 | |
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| 67 | data_output_2d_on_each_pe = .FALSE., ! don't do 2D output on each MPI rank |
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| 68 | |
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| 69 | ! |
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| 70 | !-- data output |
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| 71 | !------------------------------------------------------------------------------- |
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| 72 | dt_run_control = 0.0, ! output interval for run control |
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| 73 | dt_data_output = 400.0, ! output interval for general data |
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| 74 | dt_dopr = 400.0, ! output interval for profile data |
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| 75 | |
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| 76 | data_output = 'w_xy', |
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| 77 | 'w_xz', |
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| 78 | 'theta_xy', |
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| 79 | 'theta_xz', |
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| 80 | 'ql_yz', |
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| 81 | 'w_yz', |
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| 82 | 'u_yz', |
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| 83 | 'v_yz', |
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| 84 | 'theta_yz', |
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| 85 | |
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| 86 | data_output_pr = 'u', |
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| 87 | 'v', |
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| 88 | 'w', |
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| 89 | 'ql', |
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| 90 | '#theta', |
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| 91 | 'w"theta"', |
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| 92 | 'w*theta*', |
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| 93 | 'wtheta', |
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| 94 | 'w*2', |
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| 95 | 'theta*2', |
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| 96 | |
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| 97 | section_xy = 2, 10, ! grid index for 2D XY cross sections |
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| 98 | section_xz = 20, ! grid index for 2D XZ cross sections |
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| 99 | section_yz = -1, 5, ! grid index for 2D YZ cross sections |
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| 100 | |
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| 101 | averaging_interval_pr = 100.0, ! averaging interval profile data |
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| 102 | dt_averaging_input_pr = 10.0, ! averaging profile data sampling rate |
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| 103 | |
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| 104 | / ! end of runtime parameter namelist |
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| 105 | |
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| 106 | !------------------------------------------------------------------------------- |
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| 107 | !-- PARTICLE PARAMETER NAMELIST |
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| 108 | ! Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/particle_parameters |
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| 109 | !------------------------------------------------------------------------------- |
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| 110 | &particle_parameters |
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| 111 | ! |
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| 112 | !-- initialize particles in model domain |
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| 113 | !------------------------------------------------------------------------------- |
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| 114 | psb = 20.0, ! bottom of particle source |
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| 115 | pst = 2000.0, ! top of particle source |
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| 116 | |
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| 117 | pdx = 25.0, ! distance between particles along x |
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| 118 | pdy = 25.0, ! distance between particles along y |
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| 119 | pdz = 25.0, ! distance between particles along z |
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| 120 | |
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| 121 | random_start_position = .FALSE., ! add random start positions |
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| 122 | number_of_particle_groups = 1, ! only one particle group is used |
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| 123 | particle_advection_start = 700, ! particles are released after 700s |
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| 124 | |
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| 125 | ! |
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| 126 | !-- boundary conditions |
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| 127 | !------------------------------------------------------------------------------- |
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| 128 | bc_par_b = 'absorb', ! bottom boundary condition for particles |
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| 129 | bc_par_t = 'reflect', ! top boundary condition for particles |
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| 130 | ! |
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| 131 | !-- initialize particle model as lagrangian cloud model |
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| 132 | !------------------------------------------------------------------------------- |
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| 133 | density_ratio = 0.001, ! density ratio of particles (air=1, liquid water = 1000) |
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| 134 | radius = 1.0E-6, ! initial radius of particles |
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| 135 | |
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| 136 | curvature_solution_effects = .FALSE., ! switch off koehler effects |
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| 137 | collision_kernel = 'hall', ! enabales collision |
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| 138 | number_concentration = 50.0E6, ! initialize particles with a weighting factor |
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| 139 | ! such that a number number concentration of |
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| 140 | ! 50 cm^-3 is obtained |
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| 141 | use_sgs_for_particles = .FALSE., ! disable SGS velocities for particles |
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| 142 | |
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| 143 | ! |
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| 144 | !-- particle output |
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| 145 | !------------------------------------------------------------------------------- |
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| 146 | dt_dopts = 60.0, ! time interval for particle timeseries |
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| 147 | write_particle_statistics = .FALSE., ! write particle statistics in file |
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| 148 | dt_write_particle_data = 10000.0, ! interval for particle output (Binary Files) |
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| 149 | ! Attention: they might be very huge, so here |
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| 150 | ! particles are only implicitly outputted |
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| 151 | / ! end of particle parameter namelist |
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| 152 | |
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