TALK=T;RUN(1,1) DISPLAY The case considered is the 1d solution of fully-developed turbulent flow in a circular pipe at a Re=1.E5. The solution is performed by use of the single-slab solver with a specified mass flow rate. Calculations can be made with the high-Re forms of the standard, Chen-Kim, RNG & realisable k-e models, the Wilcox 1988 & 2008 k-w models, and the Menter k-w and k-w-SST models. For this case all models produce similar results, and the comparisons between measured and computed friction factors f and velocity-defect parameters vdp are given below: f vdp Data 0.018 3.75 Standard k-e 0.018 3.50 Chen-Kim k-e 0.017 3.49 RNG k-e model 0.017 3.86 Realisable k-e 0.017 3.88 Wilcox 1992 k-w 0.018 3.40 Wilcox 2008 k-w 0.018 3.49 Menter k-w 0.018 3.38 k-w SST 0.017 3.41 where f =8.*(ustar/ubulk)**2 and vdp=(wcl-wbulk)/u*. For testing purposes, the cases can also be run with non- equilibrium and scalable wall functions. ENDDIS AUTOPLOT USE file phi 5 da 1 w1 col9 1 msg Velocity (W1) profile msg Press RETURN to continue pause clear;da 1 enut col9 1 msg ENUT profile msg Press e to END ENDUSE ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT(REAL K-E_1D DEVELOPED PIPE FLOW:T102 ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 102 ************************************************************ Group 2. Time dependence STEADY = T ************************************************************ Group 3. X-Direction Grid Spacing CARTES = F NX = 1 XULAST =0.1 XFRAC(1)=1. ************************************************************ Group 4. Y-Direction Grid Spacing NY = 30 YVLAST =0.05 YFRAC(1)=0.065338 ;YFRAC(2)=0.11376 YFRAC(3)=0.157349 ;YFRAC(4)=0.198068 YFRAC(5)=0.236779 ;YFRAC(6)=0.27396 YFRAC(7)=0.309917 ;YFRAC(8)=0.344857 YFRAC(9)=0.378931 ;YFRAC(10)=0.412256 YFRAC(11)=0.444919 ;YFRAC(12)=0.476992 YFRAC(13)=0.508535 ;YFRAC(14)=0.539596 YFRAC(15)=0.570216 ;YFRAC(16)=0.60043 YFRAC(17)=0.630269 ;YFRAC(18)=0.659758 YFRAC(19)=0.688921 ;YFRAC(20)=0.717779 YFRAC(21)=0.746349 ;YFRAC(22)=0.774648 YFRAC(23)=0.802692 ;YFRAC(24)=0.830492 YFRAC(25)=0.858062 ;YFRAC(26)=0.885412 YFRAC(27)=0.912552 ;YFRAC(28)=0.939492 YFRAC(29)=0.96624 ;YFRAC(30)=1. ************************************************************ Group 5. Z-Direction Grid Spacing PARAB = F NZ = 1 ZWLAST =1.0E-02 ZFRAC(1)=1. ************************************************************ Group 6. Body-Fitted Coordinates ************************************************************ Group 7. Variables: STOREd,SOLVEd,NAMEd ONEPHS = T NAME(7)=W1 ;NAME(12)=KE NAME(13)=EP ;NAME(139)=VDP NAME(140)=UTAU ;NAME(141)=FRIC NAME(142)=C1E ;NAME(143)=DWDY NAME(144)=EPKE ;NAME(145)=CMU NAME(146)=SKIN ;NAME(147)=YPLS NAME(148)=STRS ;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(W1,Y,Y,N,N,N,N) SOLUTN(KE,Y,Y,N,N,N,N) SOLUTN(EP,Y,Y,N,N,N,N) SOLUTN(VDP,Y,N,N,N,N,N) SOLUTN(UTAU,Y,N,N,N,N,N) SOLUTN(FRIC,Y,N,N,N,N,N) SOLUTN(C1E,Y,N,N,N,N,Y) SOLUTN(DWDY,Y,N,N,N,N,N) SOLUTN(EPKE,Y,N,N,N,N,N) SOLUTN(CMU,Y,N,N,N,N,N) SOLUTN(SKIN,Y,N,N,N,N,Y) SOLUTN(YPLS,Y,N,N,N,N,Y) SOLUTN(STRS,Y,N,N,N,N,Y) SOLUTN(LEN1,Y,N,N,N,N,Y) SOLUTN(ENUT,Y,N,N,N,N,Y) VIST = 150 LEN1 = 149 ************************************************************ 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(W1,N,N,Y,Y,Y,Y) TERMS(KE,N,N,Y,Y,Y,N) TERMS(EP,N,N,Y,Y,Y,N) DIFCUT =0.5 ;ZDIFAC =1. GALA = F ;ADDDIF = F NEWENT = T USOURC = 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 = GRND4 TSURR =0. ;TEMP0 =0. ;PRESS0 =0. DVO1DT =0. ;DRH1DP =0. EMISS =0. ;SCATT =0. RADIA =0. ;RADIB =0. EL1A =0. ;EL1B =0. ;EL1C =0. ENUL =1.0E-06 ;ENUT = GRND5 ENUTA =0. ;ENUTB =0. ;ENUTC =0. IENUTA = 14 PRNDTL(W1)=1. ;PRNDTL(KE)=1. PRNDTL(EP)=1. PRT(W1)=1. ;PRT(KE)=1. PRT(EP)=1.2 CP1 =1. ;CP2 =1. ************************************************************ Group 10.Inter-Phase Transfer Processes ************************************************************ Group 11.Initial field variables (PHIs) FIINIT(W1)=1. ;FIINIT(KE)=4.492233E-03 FIINIT(EP)=0.010993 ;FIINIT(VDP)=1.0E-10 FIINIT(UTAU)=1.0E-10 ;FIINIT(FRIC)=1.0E-10 FIINIT(C1E)=1.0E-10 ;FIINIT(DWDY)=1.0E-10 FIINIT(EPKE)=1.0E-10 ;FIINIT(CMU)=0.09 FIINIT(SKIN)=1.0E-10 ;FIINIT(YPLS)=1.0E-10 FIINIT(STRS)=1.0E-10 ;FIINIT(LEN1)=1.0E-10 FIINIT(ENUT)=1.0E-10 No PATCHes yet used for this Group 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(KESOURCE,PHASEM, 0, 0, 0, 0, 0, 0, 1, 1) COVAL(KESOURCE,KE , GRND4 , GRND4 ) PATCH(REKESO ,PHASEM, 0, 0, 0, 0, 0, 0, 1, 1) COVAL(REKESO ,EP , GRND4 , GRND4 ) PATCH(WALLN ,NWALL , 1, 1, 30, 30, 1, 1, 1, 1) COVAL(WALLN ,W1 , GRND3 ,0. ) COVAL(WALLN ,KE , GRND3 , GRND3 ) COVAL(WALLN ,EP , GRND3 , GRND3 ) PATCH(FDFW1DP ,VOLUME, 1, 1, 1, 30, 1, 1, 1, 1) COVAL(FDFW1DP ,W1 ,1.25E-04 , GRND1 ) XCYCLE = F EGWF = T WALLCO = GRND3 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 30 ;ISWC1 = 1 LITHYD = 10 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SELREF = T RESFAC =1.0E-05 ************************************************************ Group 16. Terminate Iterations LITER(W1)=10 ;LITER(KE)=20 LITER(EP)=20 ENDIT(W1)=1.0E-03 ;ENDIT(KE)=1.0E-03 ENDIT(EP)=1.0E-03 ************************************************************ Group 17. Relaxation RELAX(W1,FALSDT,0.15) RELAX(KE,FALSDT,0.015) RELAX(EP,FALSDT,0.015) RELAX(VDP,LINRLX,1.) RELAX(UTAU,LINRLX,1.) RELAX(FRIC,LINRLX,1.) RELAX(C1E,LINRLX,1.) RELAX(DWDY,LINRLX,1.) RELAX(EPKE,LINRLX,1.) RELAX(CMU,LINRLX,1.) RELAX(SKIN,LINRLX,1.) RELAX(YPLS,LINRLX,1.) RELAX(STRS,LINRLX,1.) RELAX(LEN1,LINRLX,1.) RELAX(ENUT,LINRLX,1.) KELIN = 3 OVRRLX =0. EXPERT = F ;NNORSL = F ************************************************************ Group 18. Limits VARMAX(W1)=1.0E+06 ;VARMIN(W1)=1.0E-10 VARMAX(KE)=1.0E+10 ;VARMIN(KE)=1.0E-10 VARMAX(EP)=1.0E+10 ;VARMIN(EP)=1.0E-10 VARMAX(VDP)=1.0E+10 ;VARMIN(VDP)=-1.0E+10 VARMAX(UTAU)=1.0E+10 ;VARMIN(UTAU)=-1.0E+10 VARMAX(FRIC)=1.0E+10 ;VARMIN(FRIC)=-1.0E+10 VARMAX(C1E)=1.0E+10 ;VARMIN(C1E)=-1.0E+10 VARMAX(DWDY)=1.0E+10 ;VARMIN(DWDY)=-1.0E+10 VARMAX(EPKE)=1.0E+10 ;VARMIN(EPKE)=-1.0E+10 VARMAX(CMU)=1.0E+10 ;VARMIN(CMU)=-1.0E+10 VARMAX(SKIN)=1.0E+10 ;VARMIN(SKIN)=-1.0E+10 VARMAX(YPLS)=1.0E+10 ;VARMIN(YPLS)=-1.0E+10 VARMAX(STRS)=1.0E+10 ;VARMIN(STRS)=-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 FDFSOL = T PARSOL = F IENUTA = 14 ISG62 = 1 SPEDAT(SET,KECONST,C2E,R,1.9) SPEDAT(SET,STORED,FRIC,C,=8.*STRS/(1.*1.)!ZSLFIN) SPEDAT(SET,STORED,UTAU,C,=STRS^0.5!ZSLFIN) SPEDAT(SET,STORED,VDP,C,=(W1[&1&]-1.)/UTAU[&NY&]!ZSLFIN) SPEDAT(SET,MAKE,FFAC,C,=0.0) SPEDAT(SET,MAKE,USTAR,C,=0.0) SPEDAT(SET,MAKE,VDUS,C,=0.0) SPEDAT(SET,STORED,FFAC!WALLN,C,=FRIC!ZSLFIN) SPEDAT(SET,STORED,USTAR!WALLN,C,=UTAU!ZSLFIN) SPEDAT(SET,STORED,VDUS!WALLN,C,=VDP!ZSLFIN) SPEDAT(SET,PRINT,F,C,=FFAC) SPEDAT(SET,PRINT,U*,C,=USTAR) SPEDAT(SET,PRINT,(UCL-UB)/U*,C,=VDUS) SPEDAT(SET,GXMONI,PLOTALL,L,T) ************************************************************ Group 20. Preliminary Printout DISTIL = T ;NULLPR = F NDST = 0 DSTTOL =1.0E-02 EX(W1)=1.051 ;EX(KE)=4.176E-03 EX(EP)=0.02762 ;EX(VDP)=3.89 EX(UTAU)=1.534E-03 ;EX(FRIC)=5.577E-04 EX(C1E)=0.4344 ;EX(DWDY)=13.28 EX(EPKE)=4.786 ;EX(CMU)=0.1099 EX(SKIN)=1.661E-04 ;EX(YPLS)=1.287 EX(STRS)=6.972E-05 ;EX(LEN1)=4.203E-03 EX(ENUT)=1.714E-04 ************************************************************ 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(W1,Y,N,Y,Y,Y,Y) OUTPUT(KE,Y,N,Y,Y,Y,Y) OUTPUT(EP,Y,N,Y,Y,Y,Y) OUTPUT(VDP,Y,N,Y,N,N,N) OUTPUT(UTAU,Y,N,Y,N,N,N) OUTPUT(FRIC,Y,N,Y,N,N,N) OUTPUT(C1E,Y,N,Y,N,Y,Y) OUTPUT(DWDY,Y,N,Y,N,N,N) OUTPUT(EPKE,Y,N,Y,N,N,N) OUTPUT(CMU,Y,N,Y,N,Y,Y) OUTPUT(SKIN,Y,N,Y,N,N,N) OUTPUT(YPLS,Y,N,Y,N,N,N) OUTPUT(STRS,Y,N,Y,N,N,N) OUTPUT(LEN1,Y,N,Y,N,N,N) OUTPUT(ENUT,Y,N,Y,N,N,N) WALPRN = T ************************************************************ Group 22. Monitor Print-Out IXMON = 1 ;IYMON = 2 ;IZMON = 1 NPRMON = 100000 ;NPRMNT = 1 ;TSTSWP = -1 UWATCH = T ;USTEER = T HIGHLO = F ************************************************************ Group 23.Field Print-Out & Plot Control NPRINT = 100000 ;NUMCLS = 5 NYPRIN = 1 ;IYPRF = 1 ;IYPRL = 10000 IPLTF = 1 ;IPLTL = -1 ;NPLT = 2 ISWPRF = 1 ;ISWPRL = 100000 ITABL = 3 ;IPROF = 1 ABSIZ =0.5 ;ORSIZ =0.4 NTZPRF = 1 ;NCOLPF = 50 ICHR = 2 ;NCOLCO = 45 ;NROWCO = 20 No PATCHes yet used for this Group ************************************************************ Group 24. Dumps For Restarts SAVE = T ;NOWIPE = F NSAVE =CHAM STOP