Changes between Version 7 and Version 8 of doc/app/examples/easytopo


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Timestamp:
Sep 11, 2019 8:02:57 AM (5 years ago)
Author:
Giersch
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  • doc/app/examples/easytopo

    v7 v8  
    22
    33A simulation of a single surface-mounted cube in neutral channel flow with constant bulk velocity is presented. Cyclic lateral boundary conditions are used. The 3d-model is initialized with constant vertical profiles. Coriolis force is switched off ([../../inipar#omega omega] = 0.0). A constant volume flow (i.e. constant bulk velocity) is maintained ([../../inipar#conserve_volume_flow conserve_volume_flow] = .T.). The flow is explicitly set neutral ([../../inipar#neutral neutral] = .T.), i.e. the prognostic equation for temperature and other buoyancy terms must not be calculated, which saves computation time. To set the channel flow boundary condition, the horizontal velocity components at the domain top are kept zero ([../../inipar#bc_uv_t bc_uv_t] = 'dirichlet_0').
    4 The cube is constructed using the rasterized topography mode ([../../inipar#topography topography] = 'read_from_file') with the default [../../inipar#topography_grid_convention topography_grid_convention] = 'cell_center'. You can find the input files for the simulation in the trunk.
     4The cube is constructed using the rasterized topography mode ([../../inipar#topography topography] = 'read_from_file') with the default [../../inipar#topography_grid_convention topography_grid_convention] = 'cell_center'. You can find the input files for the simulation in the [source:palm/trunk/TESTS/cases/topo_from_ASCII_file/INPUT/ trunk].
    55
    6 In a second example, the cube is constructed using the single building topography mode ([../../inipar#topography topography] = 'single_building') with the default [../../inipar#topography_grid_convention topography_grid_convention] = 'cell_edge'. The results of the two examples should be the same. The parameter file using the single building topography mode is attached.
     6In a second example, the cube is constructed using the single building topography mode ([../../inipar#topography topography] = 'single_building') with the default [../../inipar#topography_grid_convention topography_grid_convention] = 'cell_edge'. The results of the two examples should be the same. The parameter file using the single building topography mode is attached to this page.