* * ===[ PARAMETER'S FILE FOR PROB ]====================================== * ===[ PROBLEM PARAMETRES ]=============================================== Length of small tube [AL1] 0.0245 Length of large tube [AL2] 0.06 Height of small tube [HSMALL] 0.0052 Height of large tube [HLARGE] 0.0101 X Location of abrupt expansion [ISTEP] 10 Y Location of abrupt expansion [JSTEP] 11 Axial velocity at inlet of flow domain [UIN] 0.1533488 0.2300232 Parabolic or uniform inlet velocity profile [UPARAB] .f. ===[ GRID PARAMETERS ]================================================== Cylindrical coordinate system ? [POLAR] .FALSE. Number of cells in X-direction [NI] 42 Number of cells in Y-direction [NJ] 42 Grid expansion factor in X-direction [FEXPX] 1.1 Grid expansion factor in Y-direction [FEXPY] 1.0 ===[ TIME PARAMETERS ]================================================== Steady state flow ? [STEADY] .TRUE. Number of time steps [NT] 1 Time step size [DT] 1.0 ===[ DEPENDENT VARIABLES ]============================================== Solve for U-equation ? [INCALU] .TRUE. Solve for V-equation ? [INCALV] .TRUE. Solve for PP-equation ? [INCALP] .TRUE. Solve for T-equation ? [INCALT] .FALSE. ===[ THERMO-PHYSICAL PROPERTIES ]======================================= Material Density [DENSIT] 1.16 Laminar fluid viscosity [VISCOS] 0.185E-4 Laminar Prandtl number [PRANDT] 1.0 Update thermo-physical properties ? [INPRO] .FALSE. ===[ TERMINATION CRITERIA FOR ITERATIONS ]============================== Maximum number of iterations per time step [MAXIT] 1250 Maximum acceptable value of residuals [SORMAX] 5e-9 Normalization quantity for mass residual [SNORM] 1.0 Normalization quantity for U-momentum residual [SNORU] 1.0 Normalization quantity for V-momentum residual [SNORV] 1.0 Normalization quantity for T-equation residual [SNORT] 1.0 ===[ UNDER-RELAXATION ]================================================= Under-relaxation factor for U-equation [URFU] 0.7 Under-relaxation factor for V-equation [URFV] 0.7 Under-relaxation factor for PP-equation [URFP] 0.3 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] 30 ===[ EQUATION SOLVER SELECTION ]======================================== Solver selection for U-equation [ISLVU] 1 Solver selection for V-equation [ISLVV] 1 Solver selection for PP-equation [ISLVP] 1 Solver selection for T-equation [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] 3 Number of application of line iteration for V-equation [LITERV] 3 Number of application of line iteration for PP-equation [LITERP] 5 Number of application of line iteration for T-equation [LITERT] 1 Maximum allowable value of solver residual sums for U [SORU] 1.0E-6 Maximum allowable value of solver residual sums for V [SORV] 1.0E-6 Maximum allowable value of solver residual sums for PP [SORP] 1.0E-6 Maximum allowable value of solver residual sums for T [SORT] 1.0E-6 ===[ INPUT-OUTPUT PARAMETERS ]========================================== I-index of monitoring location [IMON] 10 J-index of monitoring location [JMON] 10 Iteration Index for field printout [NITPRI] 50 Time Index for field printout [NSTPRI] 1 Read IN initial field [INREAD] .FALSE. Name of restart file [RSTFIL] PHIDA. Copy OUT FINAL field [INWRIT] .TRUE. Name of SAVE file [SAVFIL] PHIDA. Name of main output file [OUTFIL] RUN.OUT Generate velocity field file ? [INPLOT] .TRUE. Generate pressure field file ? [INPRES] .TRUE. Generate temperature field file ? [INTEMP] .FALSE.