* * ===[ PARAMETER'S FILE FOR TFLOW ; TRANSIENT 2D SEDIMENTATION-PART2 ]== * ===[ PROBLEM PARAMETRES ]=============================================== Width of cavity [WIDTH] 1.0 Height of cavity [HEIGHT] 1.0 Angle of flow field against horizontal axis (degrees) [THETA] -5.0 Volume fraction of FIRST phase 0.5 Gravity Constant [GRAV] 10.0 Interphase friction coefficient [FCOEF] 10.0 ===[ GRID PARAMETERS ]================================================== Cylindrical coordinate system ? [POLAR] .FALSE. Number of cells in X-direction [NI] 35 Number of cells in Y-direction [NJ] 35 Grid expansion factor in X-direction [FEXPX] 15.0 Grid expansion factor in Y-direction [FEXPY] 15.0 ===[ TIME PARAMETERS ]================================================== Steady state flow ? [STEADY] .F. Number of time steps [NT] 50 Time step size [DT] 0.1 ===[ DEPENDENT VARIABLES ]============================================== Solve for U-equations ? [INCALU] .T. Solve for V-equations ? [INCALV] .T. Solve for R-equations ? [INCALR] .T. Solve for PP-equation ? [INCALP] .T. Solve for T-equations ? [INCALT] .F. ===[ THERMO-PHYSICAL PROPERTIES ]======================================= Material Density for both phases [DENS1,DENS2] 1,1000 Laminar fluid viscosity for both phases [VISC1,VISC2] 1E-5, 1E-3 Laminar Prandtl number [PRAND1,PRAND2] 1.0,1.0 Update thermo-physical properties ? [INPRO] .FALSE. ===[ TERMINATION CRITERIA FOR ITERATIONS ]============================== Maximum number of iterations per time step [MAXIT] 150 Maximum acceptable value of residuals [SORMAX] 5E-3 ===[ UNDER-RELAXATION ]================================================= Under-relaxation factor for U-equation [URFU] 0.3 Under-relaxation factor for V-equation [URFV] 0.3 Under-relaxation factor for R-equation [URFR] 0.5 Under-relaxation factor for PP-equation [URFP] 0.1 Under-relaxation factor for T-equation [URFT] 1.0 ===[ COORDINATES OF FIXED PRESSURE POINT ]============================= I-index of location where pressure is fixed [IPREF] 2 J-index of location where pressure is fixed [JPREF] 2 ===[ EQUATION SOLVER SELECTION ]======================================== Solver selection for U-equations [ISLVU] 2 Solver selection for V-equations [ISLVV] 2 Solver selection for PP-equation [ISLVP] 2 Solver selection for R-equations [ISLVP] 2 Solver selection for T-equations [ISLVT] 1 Constant used by SIM solver [ALPHA] 0.8 ===[ TERMINATION CRITERIA FOR EQUATION SOLVER ]========================= Number of application of line iteration for U-equation [LITERU] 2 Number of application of line iteration for V-equation [LITERV] 2 Number of application of line iteration for PP-equation [LITERP] 4 Number of application of line iteration for R-equation [LITERR] 2 Number of application of line iteration for T-equation [LITERT] 2 ===[ INPUT-OUTPUT PARAMETERS ]========================================== I-index of monitoring location [IMON] 6 J-index of monitoring location [JMON] 6 Iteration Index for residual printout [NITRES] 5 Iteration Index for field printout [NITPRI] 1000 Time Index for field printout [NSTPRI] 10 Read IN initial field [INREAD] .F. Name of restart file [RSTFIL] RESTART. Copy OUT FINAL field [INWRIT] .T. Name of SAVE file [SAVFIL] RESTART. Name of main output file [OUTFIL] RUN.OUT Generate velocity field file ? [INPLOT] .T. Generate pressure field file ? [INPRES] .T. Generate volume fraction field file ? [INVFRC] .T. Generate temperature field file ? [INTEMP] .F. ===[ INTERPHASE TRACKING PARAMETERS ]=================================== Create interphase tracking reports ? [INTRAC] .T. Limit for zero volume fraction (or interphase tracking) [ZEROLIM] 0.01