sunfluidh:2d_rayleigh_benard_incomp_flow
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- input3d.dat
=========================================================================== =========================================================================== MAIN INPUT DATA FILE : 2D RAYLEIGH-BENARD CONFIGURATION DIMENSIONLESS FORMULATION ------------------------- Top wall (T_2) | | | | H | <------ Symmetric BC -------> | | | | | ------------------------- Bottom wall (T_1) <-----------------------> 2.H Reference Temperature = (T_1+T_2)/2 =========================================================================== =========================================================================== ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ GENERAL LAYOUT ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ &Version File_Version="VERSION2.0"/ =========================================================================== FLUID PROPERTIES (DIMENSIONLESS FORM) =========================================================================== &Fluid_Properties Heat_Transfer_Flow = .true. , Reference_Density= 1.0, Reference_Heat_Capacity= 1.0 , Reference_Temperature= 0.5 , Reference_Dynamic_Viscosity= 1.8D-02 , Prandtl = 0.72 / =========================================================================== UNIFORM INITIALIZATION OF THE VELOCITY COMPONENTS AND TEMPERATURE (DIMENSIONLESS FORM) =========================================================================== &Velocity_Initialization I_Velocity_Reference_Value = 0.0 , J_Velocity_Reference_Value = 0.0 , K_Velocity_Reference_Value = 0.0 / &Temperature_Initialization Temperature_Reference_Value = 0.5 , White_Noise_Magnitude_For_Temperature= 0.00/ =========================================================================== GRAVITY (DIMENSIONLESS FORM) =========================================================================== &Gravity Gravity_Enabled= .true. , Gravity_Angle_IJ= 90.0 , Gravity_Angle_IK= 90.0 , Reference_Gravity_Constant= 0.72/ =========================================================================== DOMAIN FEATURES =========================================================================== &Domain_Features Start_Coordinate_I_Direction= 0.00 , End_Coordinate_I_Direction= 2.00, Start_Coordinate_J_Direction= 0.00 , End_Coordinate_J_Direction= 1.00, Start_Coordinate_K_Direction= 0.00 , End_Coordinate_K_Direction= 0.00, Cells_Number_I_Direction= 128 ,Cells_Number_J_Direction=64 ,Cells_Number_K_Direction= 1, Regular_Mesh= .true. / ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ DEFINITION OF BOUNDARY CONDITIONS ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ============================================================================= WALL BOUNDARY CONDITION SETUP ============================================================================= &Heat_Wall_Boundary_Condition_Setup West_Heat_BC_Option = 1 , East_Heat_BC_Option = 1 , Back_Heat_BC_Option = 0 , Front_Heat_BC_Option = 0 , South_Heat_BC_Option = 0 , North_Heat_BC_Option = 0, West_Wall_BC_Value= 0.0 , East_Wall_BC_Value= 0.0 , Back_Wall_BC_Value= 1.0 , Front_Wall_BC_Value= 0.0 , South_Wall_BC_Value= 0.0 , North_Wall_BC_Value= 0.0 / ============================================================================= BORDER BOUNDARY CONDITIONS ============================================================================= &Border_Domain_Boundary_Conditions West_BC_Name= "Symmetric" , East_BC_Name= "Symmetric" , Back_BC_Name= "None" , Front_BC_Name= "None" , North_BC_Name= "None" , South_BC_Name= "None" / ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ NUMERICAL METHODS ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ &Numerical_Methods NS_NumericalMethod= "BDF2-SchemeO2" , !--- BDF2 + 2nd order centered scheme MomentumConvection_Scheme="Centered-O2-Conservative" , !--- conservative form for solving the velocity (momentum) equation Poisson_NumericalMethod="Home-SORMultigrid-ConstantMatrixCoef" / !--- SOR + multigrid method (homemade release) for solving the Poisson's equation with constant coefficient matrix &HomeData_PoissonSolver SolverName="SOR" , !--- Successive Over-Relaxation (SOR) method based on the red-black algorithm Relaxation_Coefficient= 1.7 , !--- Relaxation coefficient of the SOR method ( 1 <= Relaxation_Coefficient < 2) Number_max_Grid= 4, !--- Number of grid levels Number_max_Cycle= 10, !--- Number of multigrid cycles Number_Iteration= 0, !--- Maximum number of SOR iterations method applied for any grid level, if 0 (or removed) the 3 next data are considered Number_Iteration_FineToCoarseGrid= 15, !--- number of SOR iterations applied on any grid level during the restriction step (before the coarsest grid computation) Number_Iteration_CoarseToFineGrid= 15, !--- number of SOR iterations applied on any grid level during the prolongation step (after the Coarsest grid computation) Number_Iteration_CoarsestGrid= 15 , !--- number of SOR iterations applied on the coarsest grid Convergence_Criterion= 1.D-08 / !--- convergence tolerance on the residu of the Poisson's equation ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ SIMULATION MANAGEMENT ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ The numerical time step is dynamic and is estimated by the constant CFL coefficient &Simulation_Management Restart_Parameter= 0 , Steady_Flow_Stopping_Criterion_Enabled = .true. , Steady_Flow_Stopping_Criterion = 1.D-16, Temporal_Iterations_Number = 1000000 , Final_Time = 5.D+02 , TimeStep_Type = 0 , Timestep_Min = 5.D-02 , Timestep_Max = 5.D-02 , CFL_Max = 0.5 , Simulation_Backup_Rate = 1000 , Simulation_Checking_Rate = 101 / ============================================================================= PROBES MANAGEMENT ============================================================================= Probes order U , V , W , T , P , RHO &Probe_Quantities_Enabled Temporal_Series_For_Quantity_Enabled(:) = .true., .true., .false., .true., .true. , .false. / &Probe_Location Xi= 0.5 , Xj= 0.7 , Xk= 0.0 / &Simulation_Management Probe_RecordingReset=.false. , Probe_StartTimeIterationRecording= 0 , !--- in time-iteration units Probe_TimeIterationRecordingRate = 1 !--- in time-iteration units / ============================================================================= FIELDS RECORDING DECLARATION ============================================================================= &Simulation_Management Fields_Recording_Rate = 1.D+01 / &Field_Recording_Setup Precision_On_Instantaneous_Fields= 2 / &Instantaneous_Fields_Listing Name_of_Field = "U " / First velocity component &Instantaneous_Fields_Listing Name_of_Field = "V " / Second velocity component &Instantaneous_Fields_Listing Name_of_Field = "T " / Temperature
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sunfluidh/2d_rayleigh_benard_incomp_flow.txt · Dernière modification : 2020/02/10 11:38 de yann