| 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 = 39, ! Number of gridboxes in x-direction (nx+1) |
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| 10 | ny = 39, ! Number of gridboxes in y-direction (ny+1) |
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| 11 | nz = 40, ! 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 | dz_stretch_level = 1225.0, ! Height (in m) where stretching starts |
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| 18 | dz_stretch_factor = 1.08, ! dz(k+1) = dz(k) * dz_stretch_factor |
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| 19 | ! |
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| 20 | !-- initialization |
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| 21 | !------------------------------------------------------------------------------- |
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| 22 | initializing_actions = 'set_constant_profiles', ! initial conditions |
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| 23 | loop_optimization = 'vector', ! use 'cache' or 'vector' |
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| 24 | |
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| 25 | ug_surface = 0.0, ! u-comp of geostrophic wind at surface |
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| 26 | vg_surface = 0.0, ! v-comp of geostrophic wind at surface |
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| 27 | |
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| 28 | pt_surface = 300.0, ! initial surface potential temp |
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| 29 | |
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| 30 | pt_vertical_gradient = 0.0, |
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| 31 | 1.0, ! piecewise temp gradients |
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| 32 | pt_vertical_gradient_level = 0.0, |
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| 33 | 800.0, ! height level of temp gradients |
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| 34 | |
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| 35 | |
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| 36 | ! |
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| 37 | !-- boundary conditions |
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| 38 | !------------------------------------------------------------------------------- |
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| 39 | surface_heatflux = 0.1, ! sensible heat flux at the bottom surface |
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| 40 | bc_pt_b = 'neumann', ! required with surface_heatflux |
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| 41 | ! |
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| 42 | !-- numerics |
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| 43 | !------------------------------------------------------------------------------- |
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| 44 | fft_method = 'temperton-algorithm', ! build-in fft method |
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| 45 | |
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| 46 | / ! end of initialization parameter namelist |
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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 = 60.0, ! simulation time of the 3D model |
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| 57 | |
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| 58 | create_disturbances = .TRUE., ! randomly perturbate horiz. velocity |
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| 59 | dt_disturb = 150.0, ! interval for random perturbations |
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| 60 | disturbance_energy_limit = 0.01, ! upper limit for perturbation energy |
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| 61 | |
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| 62 | data_output_2d_on_each_pe = .FALSE., ! don't do 2D output on each MPI rank |
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| 63 | |
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| 64 | ! |
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| 65 | !-- data output |
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| 66 | !------------------------------------------------------------------------------- |
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| 67 | dt_run_control = 0.0, ! output interval for run control |
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| 68 | |
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| 69 | / ! end of runtime parameter namelist |
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| 70 | |
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