#¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨# # SIMULATION STOP # #.......................................# stop_time = 0.5 # Max (simulated) time to evolve max_step = -1 # Max number of time steps steady_state = 0 # Steady-state solver? #¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨# # TIME STEP COMPUTATION # #.......................................# incflo.fixed_dt = 0.01 # Use this constant dt if > 0 incflo.cfl = 0.45 # CFL factor #¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨# # INPUT AND OUTPUT # #.......................................# amr.plot_per_exact = 0.1 # Steps between plot files amr.check_int = -1 # Steps between checkpoint files amr.restart = "" # Checkpoint to restart from #¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨# # PHYSICS # #.......................................# incflo.gravity = 0. 0. 0. # Gravitational force incflo.ro_0 = 1. # Reference density incflo.fluid_model = "bingham" # Rheological model incflo.mu = 1. # Dynamic viscosity coefficient incflo.tau_0 = 1. # Yield stress incflo.papa_reg = 0.001 # Papanastasiou regularisation parameter #¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨# # ADAPTIVE MESH REFINEMENT # #.......................................# amr.n_cell = 64 64 8 # Grid cells at coarsest AMRlevel amr.max_level = 0 # Max AMR level in hierarchy amr.max_grid_size_x = 1024 amr.max_grid_size_y = 1024 amr.max_grid_size_z = 1024 #¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨# # GEOMETRY # #.......................................# geometry.prob_lo = 0. 0. 0. # Lo corner coordinates geometry.prob_hi = 4. 4. 0.5 # Hi corner coordinates geometry.is_periodic = 1 1 1 # Periodicity x y z (0/1) incflo.delp = 0. 0. 2. # Prescribed (cyclic) pressure gradient incflo.geometry = "cylinder" # Add cylinder cylinder.internal_flow = true # Internal vs external flow cylinder.radius = 1. # Radius cylinder.direction = 2 # Choices are {0,1,2} cylinder.center = 2. 2. 0. # Center #¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨# # VERBOSITY # #.......................................# incflo.verbose = 2 # incflo_level mac_proj.verbose = 0 # MAC Projector nodal_proj.verbose = 0 # Nodal Projector scalar_diffusion.verbose = 0 # Scalar Diffusion tensor_diffusion.verbose = 0 # Tensor Diffusion amr.plt_ccse_regtest = 1