TALK=T;RUN(1,1) PHOTON USE p 10 1 view -x msg velocity vectors vec x 1 sh;pause msg pressure contours con p1 x 1 fi;0.001 ENDUSE DISPLAY Two dimensional turbulent pipe flow This example may be used to compare GRND2 (Log-law) and GRND3 (Generalised) wall functions for KE and EP at a wall. The type of wall function required may be set by changing the value of WALLFN (2 for LOGLAW and 3 for GENLAW wall functions). ________________________________________ z |__x ------> ------> ________________________________________ //////////////////////////////////////// Wall - WA1 ENDDIS ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT(2D Pipe Flow K-E Model; Re=8.327646E+04 ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 292 ************************************************************ Group 2. Time dependence STEADY = T ************************************************************ Group 3. X-Direction Grid Spacing CARTES = F NX = 1 XULAST =1.0E-02 XFRAC(1)=1. ************************************************************ Group 4. Y-Direction Grid Spacing NY = 20 YVLAST =0.05 YFRAC(1)=0.01118 ;YFRAC(2)=0.031623 YFRAC(3)=0.058095 ;YFRAC(4)=0.089443 YFRAC(5)=0.125 ;YFRAC(6)=0.164317 YFRAC(7)=0.207063 ;YFRAC(8)=0.252982 YFRAC(9)=0.301869 ;YFRAC(10)=0.353553 YFRAC(11)=0.407891 ;YFRAC(12)=0.464758 YFRAC(13)=0.524047 ;YFRAC(14)=0.585662 YFRAC(15)=0.649519 ;YFRAC(16)=0.715542 YFRAC(17)=0.783661 ;YFRAC(18)=0.853815 YFRAC(19)=0.925946 ;YFRAC(20)=1. ************************************************************ Group 5. Z-Direction Grid Spacing PARAB = F NZ = 20 ZWLAST =5. ZFRAC(1)=0.05 ;ZFRAC(2)=0.1 ZFRAC(3)=0.15 ;ZFRAC(4)=0.2 ZFRAC(5)=0.25 ;ZFRAC(6)=0.3 ZFRAC(7)=0.35 ;ZFRAC(8)=0.4 ZFRAC(9)=0.45 ;ZFRAC(10)=0.5 ZFRAC(11)=0.55 ;ZFRAC(12)=0.6 ZFRAC(13)=0.65 ;ZFRAC(14)=0.7 ZFRAC(15)=0.75 ;ZFRAC(16)=0.8 ZFRAC(17)=0.85 ;ZFRAC(18)=0.9 ZFRAC(19)=0.95 ;ZFRAC(20)=1. ************************************************************ Group 6. Body-Fitted Coordinates ************************************************************ Group 7. Variables: STOREd,SOLVEd,NAMEd ONEPHS = T NAME(1)=P1 ;NAME(5)=V1 NAME(7)=W1 ;NAME(12)=KE NAME(13)=EP ;NAME(149)=EPKE 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(V1,Y,Y,N,N,N,Y) SOLUTN(W1,Y,Y,N,N,N,Y) SOLUTN(KE,Y,Y,N,N,N,N) SOLUTN(EP,Y,Y,N,N,N,N) SOLUTN(EPKE,Y,N,N,N,N,N) SOLUTN(ENUT,Y,N,N,N,N,Y) VIST = 150 ************************************************************ 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(V1,Y,Y,Y,Y,Y,Y) TERMS(W1,Y,Y,Y,Y,Y,Y) TERMS(KE,N,Y,Y,Y,Y,N) TERMS(EP,N,Y,Y,Y,Y,N) 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 =1.22 ;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 =1.465E-05 ;ENUT = GRND3 ENUTA =0. ;ENUTB =0. ;ENUTC =0. IENUTA = 0 PRNDTL(V1)=1. ;PRNDTL(W1)=1. PRNDTL(KE)=1. ;PRNDTL(EP)=1. PRT(V1)=1. ;PRT(W1)=1. PRT(KE)=1. ;PRT(EP)=1.314 CP1 =1. ;CP2 =1. ************************************************************ Group 10.Inter-Phase Transfer Processes ************************************************************ Group 11.Initial field variables (PHIs) FIINIT(P1)=1.0E-10 ;FIINIT(V1)=1.0E-10 FIINIT(W1)=10. ;FIINIT(KE)=1. FIINIT(EP)=32.863354 ;FIINIT(EPKE)=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 ) COVAL(KESOURCE,EP , GRND4 , GRND4 ) PATCH(IN1 ,LOW , 1, 1, 1, 20, 1, 1, 1, 1) COVAL(IN1 ,P1 , FIXFLU ,12.200001 ) COVAL(IN1 ,V1 ,0. ,0. ) COVAL(IN1 ,W1 ,0. ,10. ) COVAL(IN1 ,KE ,0. ,1. ) COVAL(IN1 ,EP ,0. ,32.863354 ) PATCH(OU1 ,HIGH , 1, 1, 1, 20, 20, 20, 1, 1) COVAL(OU1 ,P1 ,1000. ,0. ) COVAL(OU1 ,V1 ,0. ,0. ) COVAL(OU1 ,W1 ,0. ,0. ) COVAL(OU1 ,KE ,0. ,0. ) COVAL(OU1 ,EP ,0. ,0. ) PATCH(WA1 ,SWALL , 1, 1, 20, 20, 1, 20, 1, 1) COVAL(WA1 ,W1 , GRND2 ,0. ) COVAL(WA1 ,KE , GRND3 , GRND3 ) COVAL(WA1 ,EP , GRND3 , GRND3 ) XCYCLE = F EGWF = T WALLCO = GRND2 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 100 ;ISWC1 = 1 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SARAH =5. SELREF = T RESFAC =1.0E-05 ************************************************************ Group 16. Terminate Iterations LITER(P1)=20 ;LITER(V1)=10 LITER(W1)=10 ;LITER(KE)=20 LITER(EP)=20 ENDIT(P1)=1.0E-03 ;ENDIT(V1)=1.0E-03 ENDIT(W1)=1.0E-03 ;ENDIT(KE)=1.0E-03 ENDIT(EP)=1.0E-03 ************************************************************ Group 17. Relaxation RELAX(P1,LINRLX,1.) RELAX(V1,FALSDT,1.) RELAX(W1,FALSDT,1.) RELAX(KE,LINRLX,0.5) RELAX(EP,LINRLX,0.5) RELAX(EPKE,LINRLX,1.) RELAX(ENUT,LINRLX,1.) KELIN = 3 OVRRLX =0. EXPERT = F ;NNORSL = F ************************************************************ Group 18. Limits VARMAX(P1)=1.0E+10 ;VARMIN(P1)=-1.0E+10 VARMAX(V1)=1.0E+06 ;VARMIN(V1)=-1.0E+06 VARMAX(W1)=1.0E+06 ;VARMIN(W1)=-1.0E+06 VARMAX(KE)=1.0E+10 ;VARMIN(KE)=1.0E-10 VARMAX(EP)=1.0E+10 ;VARMIN(EP)=1.0E-10 VARMAX(EPKE)=1.0E+10 ;VARMIN(EPKE)=-1.0E+10 VARMAX(ENUT)=1.0E+10 ;VARMIN(ENUT)=-1.0E+10 ************************************************************ Group 19. Data transmitted to GROUND GENK = T PARSOL = F ISG62 = 1 SPEDAT(SET,GXMONI,PLOTALL,L,T) ************************************************************ Group 20. Preliminary Printout DISTIL = T ;NULLPR = F NDST = 0 DSTTOL =1.0E-02 EX(P1)=0. ;EX(V1)=0. EX(W1)=0. ;EX(KE)=0. EX(EP)=0. ;EX(EPKE)=0. EX(ENUT)=0. ************************************************************ 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(V1,Y,N,Y,Y,Y,Y) 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(EPKE,Y,N,Y,N,N,N) OUTPUT(ENUT,Y,N,Y,N,N,N) ************************************************************ Group 22. Monitor Print-Out IXMON = 1 ;IYMON = 10 ;IZMON = 10 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 NZPRIN = -1 ;IZPRF = 1 ;IZPRL = 10000 XZPR = F ;YZPR = F IPLTF = 1 ;IPLTL = -1 ;NPLT = -1 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