TALK=T;RUN(1,1) PHOTON USE p;;;; use patgeo gr ou z 1 msg contours of velocity, and velocity vectors con u1 z 1 fi;0.01;vec z 1 msg press RETURN for length scale pause;con off;vec off;red msg contours of turbulence length scale con len1 z 1 fi;0.01;pause;con off;red msg contours of effective viscosity con enut z 1 fi;0.01 enduse DISPLAY This case involves steady, turbulent flow over a backward-facing step, of height h, in a two-dimensional channel of width 3*h. The calculations are started at a distance 4h upstream of the step and terminated at a distance 16h downstream. //////////////////////// wall /////////////////////// ----------------------------------------------------- Pressure Inlet -------> ---------> fixed at zero /________________ | ////////////////| Exit | wall /| Recirculation | /| <---- -----> \ constant /|____________________________________ prescribed mass ////////////////////////////////////// inflow rate wall ENDDIS ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT( LVEL model; EGWF= T ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 14 ************************************************************ Group 2. Time dependence STEADY = T ************************************************************ Group 3. X-Direction Grid Spacing CARTES = T NX = 20 XULAST =0.762 XFRAC(1)=0.05 ;XFRAC(2)=0.1 XFRAC(3)=0.15 ;XFRAC(4)=0.2 XFRAC(5)=0.25 ;XFRAC(6)=0.3 XFRAC(7)=0.35 ;XFRAC(8)=0.4 XFRAC(9)=0.45 ;XFRAC(10)=0.5 XFRAC(11)=0.55 ;XFRAC(12)=0.6 XFRAC(13)=0.65 ;XFRAC(14)=0.7 XFRAC(15)=0.75 ;XFRAC(16)=0.8 XFRAC(17)=0.85 ;XFRAC(18)=0.9 XFRAC(19)=0.95 ;XFRAC(20)=1. ************************************************************ Group 4. Y-Direction Grid Spacing NY = 15 YVLAST =0.1143 YFRAC(1)=0.066667 ;YFRAC(2)=0.133333 YFRAC(3)=0.2 ;YFRAC(4)=0.266667 YFRAC(5)=0.333333 ;YFRAC(6)=0.4 YFRAC(7)=0.466667 ;YFRAC(8)=0.533333 YFRAC(9)=0.6 ;YFRAC(10)=0.666667 YFRAC(11)=0.733333 ;YFRAC(12)=0.8 YFRAC(13)=0.866667 ;YFRAC(14)=0.933333 YFRAC(15)=1. ************************************************************ Group 5. Z-Direction Grid Spacing PARAB = F NZ = 1 ZWLAST =1. ZFRAC(1)=1. ************************************************************ Group 6. Body-Fitted Coordinates ************************************************************ Group 7. Variables: STOREd,SOLVEd,NAMEd ONEPHS = T NAME(1)=P1 ;NAME(3)=U1 NAME(5)=V1 ;NAME(145)=PRPS NAME(146)=WGAP ;NAME(147)=LTLS NAME(148)=WDIS ;NAME(149)=LEN1 NAME(150)=ENUT * Y in SOLUTN argument list denotes: * 1-stored 2-solved 3-whole-field * 4-point-by-point 5-explicit 6-harmonic averaging SOLUTN(P1,Y,Y,Y,N,N,N) SOLUTN(U1,Y,Y,N,N,N,Y) SOLUTN(V1,Y,Y,N,N,N,Y) SOLUTN(PRPS,Y,N,N,N,N,Y) SOLUTN(WGAP,Y,N,N,N,N,Y) SOLUTN(LTLS,Y,Y,Y,N,N,Y) SOLUTN(WDIS,Y,N,N,N,N,N) SOLUTN(LEN1,Y,N,N,N,N,Y) SOLUTN(ENUT,Y,N,N,N,N,Y) VIST = 150 LEN1 = 149 PRPS = 145 ************************************************************ Group 8. Terms & Devices * Y in TERMS argument list denotes: * 1-built-in source 2-convection 3-diffusion 4-transient * 5-first phase variable 6-interphase transport TERMS(P1,Y,Y,Y,N,Y,Y) TERMS(U1,Y,Y,Y,Y,Y,Y) TERMS(V1,Y,Y,Y,Y,Y,Y) TERMS(LTLS,N,N,Y,N,Y,Y) DIFCUT =0.5 ;ZDIFAC =1. GALA = F ;ADDDIF = F NEWENT = T ISOLX = -1 ;ISOLY = -1 ;ISOLZ = -1 ************************************************************ Group 9. Properties used if PRPS is not stored, and where PRPS = -1.0 if it is! RHO1 =1. ;TMP1 =0. ;EL1 = GRND1 TSURR =0. ;TEMP0 =0. ;PRESS0 =0. DVO1DT =0. ;DRH1DP =0. EMISS =0. ;SCATT =0. RADIA =0. ;RADIB =0. EL1A =0. ;EL1B =1. ;EL1C =0. ENUL =1.0E-05 ;ENUT = GRND8 ENUTA =0. ;ENUTB =0. ;ENUTC =0. IENUTA = 0 PRNDTL(U1)=1. ;PRNDTL(V1)=1. PRNDTL(LTLS)=1. PRT(U1)=1. ;PRT(V1)=1. PRT(LTLS)=1. CP1 =1. ;CP2 =1. ************************************************************ Group 10.Inter-Phase Transfer Processes ************************************************************ Group 11.Initial field variables (PHIs) FIINIT(P1)=1.3E-04 ;FIINIT(U1)=1. FIINIT(V1)=1.0E-10 ;FIINIT(PRPS)=-1. FIINIT(WGAP)=1.0E-10 ;FIINIT(LTLS)=1.0E-10 FIINIT(WDIS)=0.01143 ;FIINIT(LEN1)=1.0E-10 FIINIT(ENUT)=1.0E-10 PATCH(.STEP ,INIVAL,0. ,0.2 ,0. ,0.3333 ,0. ,1. ,1. ,1. ) INIT(.STEP ,PRPS,0. ,198. ) INIADD = F FSWEEP = 1 NAMFI =CHAM ************************************************************ Group 12. Patchwise adjustment of terms Patches for this group are printed with those for Group 13. Their names begin either with GP12 or & ************************************************************ Group 13. Boundary & Special Sources PATCH(.INLET ,WEST ,0. ,0. ,0. ,1. ,0. ,0. ,0. ,1. ) COVAL(.INLET ,P1 , FIXFLU ,1. ) COVAL(.INLET ,U1 ,0. ,1. ) PATCH(.OUTLET ,EAST ,1. ,1. ,0. ,1. ,0. ,1. ,0. ,1. ) COVAL(.OUTLET ,P1 ,1.0E+05 ,0. ) PATCH(.WFNN ,NWALL ,0. ,1. ,1. ,1. ,0. ,1. ,1. ,1. ) COVAL(.WFNN ,U1 , GRND2 ,0. ) PATCH(.WFNS ,SWALL ,0. ,1. ,0. ,0. ,0. ,1. ,0. ,1. ) COVAL(.WFNS ,U1 , GRND2 ,0. ) XCYCLE = F EGWF = T WALLCO = GRND2 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 1000 ;ISWC1 = 1 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SELREF = T RESFAC =1.0E-02 ************************************************************ Group 16. Terminate Iterations LITER(P1)=20 ;LITER(U1)=20 LITER(V1)=20 ;LITER(LTLS)=20 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03 ENDIT(V1)=1.0E-03 ;ENDIT(LTLS)=1.0E-03 ************************************************************ Group 17. Relaxation RELAX(P1,LINRLX,1.) RELAX(U1,FALSDT,0.1524) RELAX(V1,FALSDT,0.1524) RELAX(PRPS,LINRLX,1.) RELAX(WGAP,LINRLX,1.) RELAX(LTLS,FALSDT,1.0E+09) RELAX(WDIS,LINRLX,1.) RELAX(LEN1,LINRLX,1.) RELAX(ENUT,LINRLX,1.) OVRRLX =0. EXPERT = F ;NNORSL = F ************************************************************ Group 18. Limits VARMAX(P1)=1.0E+10 ;VARMIN(P1)=-1.0E+10 VARMAX(U1)=1.0E+06 ;VARMIN(U1)=-1.0E+06 VARMAX(V1)=1.0E+06 ;VARMIN(V1)=-1.0E+06 VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10 VARMAX(WGAP)=1.0E+10 ;VARMIN(WGAP)=-1.0E+10 VARMAX(LTLS)=1.0E+10 ;VARMIN(LTLS)=-1.0E+10 VARMAX(WDIS)=1.0E+10 ;VARMIN(WDIS)=-1.0E+10 VARMAX(LEN1)=1.0E+10 ;VARMIN(LEN1)=-1.0E+10 VARMAX(ENUT)=1.0E+10 ;VARMIN(ENUT)=-1.0E+10 ************************************************************ Group 19. Data transmitted to GROUND GENK = T PARSOL = F ISKINA = 5 ;ISKINB = 4 ISG62 = 1 SPEDAT(SET,GXMONI,PLOTALL,L,T) SPEDAT(SET,MATERIAL,198,L,T) ************************************************************ Group 20. Preliminary Printout ************************************************************ Group 21. Print-out of Variables INIFLD = F ;SUBWGR = F * Y in OUTPUT argument list denotes: * 1-field 2-correction-eq. monitor 3-selective dumping * 4-whole-field residual 5-spot-value table 6-residual table OUTPUT(P1,Y,N,Y,Y,Y,Y) OUTPUT(U1,Y,N,Y,Y,Y,Y) OUTPUT(V1,Y,N,Y,Y,Y,Y) OUTPUT(PRPS,Y,N,Y,N,N,N) OUTPUT(WGAP,Y,N,Y,N,N,N) OUTPUT(LTLS,Y,N,Y,Y,Y,Y) OUTPUT(WDIS,Y,N,Y,N,N,N) OUTPUT(LEN1,Y,N,Y,N,N,N) OUTPUT(ENUT,Y,N,Y,N,N,N) ************************************************************ Group 22. Monitor Print-Out IXMON = 10 ;IYMON = 7 ;IZMON = 1 NPRMON = 100 ;NPRMNT = 1 ;TSTSWP = -1 UWATCH = T ;USTEER = T HIGHLO = F ************************************************************ Group 23.Field Print-Out & Plot Control NPRINT = 100000 ;NUMCLS = 5 NXPRIN = -1 ;IXPRF = 1 ;IXPRL = 10000 NYPRIN = -1 ;IYPRF = 1 ;IYPRL = 10000 IPLTF = 1 ;IPLTL = 1000 ;NPLT = 1 ISWPRF = 1 ;ISWPRL = 100000 ITABL = 1 ;IPROF = 1 ABSIZ =0.5 ;ORSIZ =0.4 NTZPRF = 1 ;NCOLPF = 50 ICHR = 2 ;NCOLCO = 45 ;NROWCO = 20 PATCH(MAP ,CONTUR, 1, 20, 1, 15, 1, 1, 1, 1) PLOT(MAP ,P1 ,0. ,10. ) PLOT(MAP ,U1 ,0. ,10. ) PLOT(MAP ,V1 ,0. ,10. ) ************************************************************ Group 24. Dumps For Restarts SAVE = T ;NOWIPE = F NSAVE =CHAM STOP