TALK=T;RUN(1,1) PHOTON USE p gr ou z 1;gr ou z 1 x 1 5 y 1 10 vec z 1 sh msg Velocity distribution msg Press Enter to continue pause vec off;red con h1 z 1 fil;.01 msg Temperature contours msg Press Enter to continue pause con off;red con p1 z 1 sh;int 20 msg Pressure contours msg Press Enter to end ENDUSE DISPLAY Laminar mixed convection in a vertical channel with a backstep: a benchmark study of K-12 Aerospace Heat Transfer Committee of the Heat Transfer division of ASME. This case shows how to use plant to introduce the influence of buoyancy forces and non-uniform inlet velocity profile. ENDDIS PLANTBEGIN ** Parabolic profile of streamwise velocity PATCH(INLET,WEST,1,1,11,20,1,1,1,1)VAL=1.0*3./2.*(1.-(3.-2.*YG2D)**2) COVAL(INLET,P1,FIXFLU,GRND) VAL=3./2.*(1.-(3.-2.*YG2D)**2) COVAL(INLET,U1,ONLYMS,GRND) COVAL(INLET,H1,ONLYMS, 0.000E+00) ** Buoyancy forces PATCH(BUGR,VOLUME,1,NX,1,NY,1,1,1,1) VAL=0.1*H1 COVAL(BUGR,U1,FIXFLU,GRND) PLANTEND ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT(BENCHMARK CASE OF MIXED CONVECTION:130 ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 130 ************************************************************ Group 2. Time dependence STEADY = T ************************************************************ Group 3. X-Direction Grid Spacing CARTES = T NX = 35 XULAST =1. XFRAC(1)=1. ;XFRAC(2)=2. XFRAC(3)=3. ;XFRAC(4)=4. XFRAC(5)=5. ;XFRAC(6)=6. XFRAC(7)=7. ;XFRAC(8)=8. XFRAC(9)=9. ;XFRAC(10)=10. XFRAC(11)=11. ;XFRAC(12)=12. XFRAC(13)=13. ;XFRAC(14)=14. XFRAC(15)=15. ;XFRAC(16)=16. XFRAC(17)=17. ;XFRAC(18)=18. XFRAC(19)=19. ;XFRAC(20)=20. XFRAC(21)=21. ;XFRAC(22)=22. XFRAC(23)=23. ;XFRAC(24)=24. XFRAC(25)=25. ;XFRAC(26)=26. XFRAC(27)=27. ;XFRAC(28)=28. XFRAC(29)=29. ;XFRAC(30)=30. XFRAC(31)=31. ;XFRAC(32)=32. XFRAC(33)=33. ;XFRAC(34)=34. XFRAC(35)=35. ************************************************************ Group 4. Y-Direction Grid Spacing NY = 20 YVLAST =1. YFRAC(1)=0.1 ;YFRAC(2)=0.2 YFRAC(3)=0.3 ;YFRAC(4)=0.4 YFRAC(5)=0.5 ;YFRAC(6)=0.6 YFRAC(7)=0.7 ;YFRAC(8)=0.8 YFRAC(9)=0.9 ;YFRAC(10)=1. YFRAC(11)=1.1 ;YFRAC(12)=1.2 YFRAC(13)=1.3 ;YFRAC(14)=1.4 YFRAC(15)=1.5 ;YFRAC(16)=1.6 YFRAC(17)=1.7 ;YFRAC(18)=1.8 YFRAC(19)=1.9 ;YFRAC(20)=2. ************************************************************ 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(14)=H1 NAME(149)=PRPS * 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(H1,Y,N,N,N,N,Y) SOLUTN(PRPS,Y,N,N,N,N,Y) PRPS = 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(P1,Y,Y,Y,N,Y,Y) TERMS(U1,Y,Y,Y,Y,Y,Y) TERMS(V1,Y,Y,Y,Y,Y,Y) DIFCUT =0.5 ;ZDIFAC =1. GALA = F ;ADDDIF = F 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 =0. TSURR =0. ;TEMP0 =0. ;PRESS0 =0. DVO1DT =0. ;DRH1DP =0. EMISS =0. ;SCATT =0. RADIA =0. ;RADIB =0. ENUL =1.0E-02 ;ENUT =0. PRNDTL(U1)=1. ;PRNDTL(V1)=1. PRT(U1)=1. ;PRT(V1)=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(H1)=0.5 FIINIT(PRPS)=-1. PATCH(CMP0 ,INIVAL, 1, 5, 1, 10, 1, 1, 1, 1) INIT(CMP0 ,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(SHOWINL ,WEST , 1, 1, 11, 20, 1, 1, 1, 1) PATCH(INLET ,WEST , 1, 1, 11, 20, 1, 1, 1, 1) COVAL(INLET ,P1 , FIXFLU , GRND ) COVAL(INLET ,U1 ,0. , GRND ) COVAL(INLET ,H1 ,0. ,0. ) PATCH(BUGR ,VOLUME, 1, 35, 1, 20, 1, 1, 1, 1) COVAL(BUGR ,U1 , FIXFLU , GRND ) PATCH(OUTLET ,EAST , 35, 35, 1, 20, 1, 1, 1, 1) COVAL(OUTLET ,P1 ,1000. ,0. ) PATCH(TOPWALL ,NWALL , 1, 35, 20, 20, 1, 1, 1, 1) COVAL(TOPWALL ,U1 ,1. ,0. ) COVAL(TOPWALL ,H1 ,1.428571 ,0. ) PATCH(BOTWALL ,SWALL , 6, 35, 1, 1, 1, 1, 1, 1) COVAL(BOTWALL ,U1 ,1. ,0. ) COVAL(BOTWALL ,H1 ,1.428571 ,1. ) XCYCLE = F EGWF = T WALLCO = GRND2 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 65 ;ISWC1 = 1 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SELREF = T RESFAC =1.0E-05 ************************************************************ Group 16. Terminate Iterations LITER(P1)=20 ;LITER(U1)=10 LITER(V1)=10 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-06 ENDIT(V1)=1.0E-06 ************************************************************ Group 17. Relaxation RELAX(P1,LINRLX,0.5) RELAX(U1,FALSDT,10.) RELAX(V1,FALSDT,10.) RELAX(H1,LINRLX,1.) RELAX(PRPS,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(H1)=1.0E+10 ;VARMIN(H1)=-1.0E+10 VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10 ************************************************************ Group 19. Data transmitted to GROUND NAMSAT =MOSG PARSOL = F ISG62 = 1 SPEDAT(SET,GXMONI,PLOTALL,L,T) SPEDAT(SET,MATERIAL,198,L,T) ************************************************************ Group 20. Preliminary Printout DISTIL = T ;NULLPR = F NDST = 0 DSTTOL =1.0E-02 EX(P1)=0.1666 ;EX(U1)=0.5044 EX(V1)=0.0116 ;EX(H1)=0.2395 EX(PRPS)=15.07 ************************************************************ 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,Y,Y,Y,Y,Y) OUTPUT(U1,Y,Y,Y,Y,Y,Y) OUTPUT(V1,Y,Y,Y,Y,Y,Y) OUTPUT(H1,Y,N,Y,N,N,N) OUTPUT(PRPS,Y,N,Y,N,N,N) ************************************************************ Group 22. Monitor Print-Out IXMON = 7 ;IYMON = 8 ;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 NXPRIN = -1 ;IXPRF = 1 ;IXPRL = 10000 NYPRIN = -1 ;IYPRF = 1 ;IYPRL = 10000 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