* * ===[ PARAMETER'S FILE FOR TFLOW ; TRANSIENT T-PASS ]== * ===[ PROBLEM PARAMETRES ]=============================================== Height of cavity, Angle of inclination against horiz. [HEIGHT,THETA] 0.025d0, 0d0 Gap length of liquid water, and two-phase exit (% of sides) [PINW,POUT] 25,25 Number of channels [NCH] 5 Lengths of each channel ("NCH" numbers) [WCH] 5*0.01 Gap length of air entry (% of sides) ("NCH" numbers) [PINA] 5*25 Internal (right) wall height for each channel ("NCH"-1 numbers) [HCH] 4*0.01 Inlet velocity of liquid water and air [UINW, UINA] 0.1,0.1 Initial volume fraction of liquid phase in cavity [R1INIT] 0.001 Interphase friction coefficient [FCOEF] 100d0 ===[ GRID PARAMETERS ]================================================== Number of cells in X- and Y- direction [NI,NJ] 102, 32 ===[ TIME PARAMETERS ]================================================== Steady state flow ? [STEADY] .F. Number of time steps [NT] 500 Time step size [DT] 0.01 ===[ DEPENDENT VARIABLES ]============================================== Solve for U- and P- equations ? [INCALU] .T. Solve for R-equations ? [INCALR] .T. ===[ THERMO-PHYSICAL PROPERTIES ]======================================= Material Density for both phases [RHO1,RHO2] 1D3, 1D0 Laminar fluid viscosity for both phases [VISC1,VISC2] 1D-3, 1d-5 ===[ TERMINATION CRITERIA FOR ITERATIONS ]============================== Maximum number of iterations per time step [MAXIT] 500 Maximum acceptable value of residuals [SORMAX] 5.D-05 ===[ UNDER-RELAXATION ]================================================= Under-relaxation factor for U- V- and P- equations [URFU,URFV,URFP] 0.2D0, 0.2D0, 0.075D0 Under-relaxation factor for R-equation [URFR] 0.9D0 False time step for U- and V- equations? [FALSDTU, FALSDTV] .F., .F. False time step size for U- and V- equations [DTFALSU, DTFALSV] 0.1D0, 0.1D0 Under-relaxation factor for DU- and DV- correction [URFDU, URFDV] 1.0D0, 1.0d0 ===[ COORDINATES OF FIXED PRESSURE POINT ]============================= I,J index of location where pressure is fixed [IPREF,JPREF] 2,2 ===[ EQUATION SOLVER SELECTION ]======================================== Solver selection for U-, V- and P- equations [ISLVU,ISLVV,ISLVP] 2,2,2 Solver selection for R-equations [ISLVP] 2 Constant used by SIM solver [ALPHA] 0.8D0 Weight terms of PP-equation with phase Density? [WEIGHT] .t. ===[ TERMINATION CRITERIA FOR EQUATION SOLVER ]========================= Number of line iterations for U-, V- and P- equations [LITERU,LITERV,LITERP] 3, 3, 3 Number of application of line iteration for R-equation [LITERR] 2 ===[ INPUT-OUTPUT PARAMETERS ]========================================== I,J index of monitoring location [IMON,JMON] 5,2 Iteration Index for residual and field printout [NITRES,NITPRI] 100, 10000 Time Index for field printout [NSTPRI] 1 Read IN initial field [INREAD] .T. 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