sunfluidh:2d_eddy_convection_incomp_flow
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=========================================================================== =========================================================================== MAIN INPUT DATA FILE : 2D EDDY ON A PERIODIC DOMAIN (DIMENSIONAL RELEASE) INCOMPRESSIBLE FLOW ISOTHERM DIMENSIONAL FORMULATION Initialization of the velocity field is carried out from the user's routine Eddy_Velocity_Field in the module named module_user_define_init_fields.f90 access by the data file ---> Initial_Field_Option_For_Velocity_I= 4 =========================================================================== =========================================================================== ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ GENERAL LAYOUT ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ &Version File_Version="VERSION2.0"/ =========================================================================== FLUID PROPERTIES =========================================================================== &Fluid_Properties Reference_Density= 860.0 , Reference_Dynamic_Viscosity = 43.D-03 / =========================================================================== INITIALIZATION OF THE VELOCITY COMPONENTS, THE TEMPERATURE AND SPECIES =========================================================================== Initial_Field_Option_For_Velocity_I : Special initialisation of a 2D eddy defined by the user's routine Eddy_Velocity_Field in the module named module_user_define_init_fields.f90 &Velocity_Initialization I_Velocity_Reference_Value= 0.00 , J_Velocity_Reference_Value= 0.00, K_Velocity_Reference_Value= 0.00 , Initial_Field_Option_For_Velocity_I= 4 / =========================================================================== GRAVITY =========================================================================== No gravity =========================================================================== DOMAIN FEATURES =========================================================================== &Domain_Features Geometric_Layout= 0, Start_Coordinate_I_Direction=-0.50 , End_Coordinate_I_Direction= 0.50, Start_Coordinate_J_Direction=-0.50 , End_Coordinate_J_Direction= 0.50, Start_Coordinate_K_Direction= 0.00 , End_Coordinate_K_Direction= 0.00, Cells_Number_I_Direction= 128 ,Cells_Number_J_Direction= 128 ,Cells_Number_K_Direction= 1, Regular_Mesh= .true. / ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ DEFINITION OF BOUNDARY CONDITIONS ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ============================================================================= WALL BOUNDARY CONDITION SETUP ============================================================================= No wall ============================================================================= INLET AND OUTLET BOUNDARY CONDITIONS ============================================================================= No inlet, No outlet ============================================================================= BORDER BOUNDARY CONDITIONS ============================================================================= Keep in mind that the domain is enclosed by default. The walls at the ends of the domain are here replaced by periodical conditions &Border_Domain_Boundary_Conditions West_Border= 4 , East_Border= 4 , Back_Border= 4 , Front_Border= 4 , North_Border = 0 , South_Border = 0 / ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ NUMERICAL METHODS ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Default initialization: Numerical scheme for Navier-Stokes equations : 2nd centrered order in space, 2nd order in time (BDF2 : 2nd oder Backward Differentiation Formulation) for Poisson equation : SOR iterative method coupled with a multigrid approach Parameters for solving Poisson equation (multigrid parameters) : &Numerical_Methods Numerical_Scheme= 1 , Convective_Flux_Discretization_Type = 1 Numerical_Method_Poisson_Equation= 1, Number_max_Grid= 6 , Number_max_Cycle= 5 , Number_Iteration= 15 , Relaxation_Coefficient = 1.80 , Convergence_Criterion = 1.D-10 / ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ SIMULATION MANAGEMENT ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Time step calculated from a CFL coefficient &Simulation_Management Restart_Parameter= 0 , Steady_Flow_Stopping_Criterion_Enabled = .true. , Steady_Flow_Stopping_Criterion = 1.D-22, Temporal_Iterations_Number = 50000 , Final_Time = 2.0D+01 , TimeStep_Type = 1 , CFL_min= 0.25 , CFL_max= 0.25, Iterations_For_Timestep_Linear_Progress= 1 , Timestep_Min = 2.D-01 , Timestep_Max = 2.D-01 , Simulation_Backup_Rate = 200 , Simulation_Checking_Rate = 51 / ============================================================================= PROBES MANAGEMENT ============================================================================= Probes order U , V , W , T , P , RHO &Probe_Quantities_Enabled Temporal_Series_For_Quantity_Enabled(:) = .true., .true., .false., .false., .true. , .false. / &Probe_Location Xi= 0.0 , Xj= 0.0 , Xk= 0.0 / &Probe_Location Xi= 0.1 , Xj= 0.1 , Xk= 0.0 , End_of_Data_Block= .true. / &Simulation_Management Probe_Recording_Rate = 1 / ============================================================================= FIELDS RECORDING DECLARATION ============================================================================= &Field_Recording_Setup Precision_On_Instantaneous_Fields= 2 / &Simulation_Management Fields_Recording_Rate = 1.0D-00 / &Instantaneous_Fields_Listing Name_of_Field = "U" , Recording_Enabled = .true. / First velocity component &Instantaneous_Fields_Listing Name_of_Field = "V" , Recording_Enabled = .true. / Second velocity component &Instantaneous_Fields_Listing Name_of_Field = "W" , Recording_Enabled = .false. / Third velocity component &Instantaneous_Fields_Listing Name_of_Field = "P" , Recording_Enabled = .true. , End_of_Data_Block= .true./ Pressure related to the velocity field
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sunfluidh/2d_eddy_convection_incomp_flow.1480935876.txt.gz · Dernière modification : 2016/12/05 12:04 de witko