TALK=T;RUN(1,1)
  photon use
  p




  up z
  msg the grid. press return for temperature contours
  gr x 1;pause; gr off;red;gr ou x 1
  msg temperature contours. press return for velocity vectors
  con temp x 1 fi;0.0002;pause; con off;red;se re ve 2;vec x 1 sh
  msg velocity vectors. press return for reduced-pressure contours
  pause;vec off;red;con p1 x 1 fi;0.0002
  enduse
  DISPLAY
  A two-dimensional square cavity is formed between two vertical
  walls, one of which is heated and the other cooled. The top and
  bottom of the cavity are bounded by walls at which there is
  friction but no heat transfer.
  ENDDIS
 ************************************************************
  Group 1. Run Title and Number
 ************************************************************
 ************************************************************
 
 TEXT(Laminar Free Convection In Cavity       )
 
 ************************************************************
 ************************************************************
 
 IRUNN = 1 ;LIBREF = 0
 ************************************************************
  Group 2. Time dependence
 STEADY = T
 ************************************************************
  Group 3. X-Direction Grid Spacing
 CARTES = T
 NX = 1
 XULAST =1.
 XFRAC(1)=1.
 ************************************************************
  Group 4. Y-Direction Grid Spacing
 NY = 40
 YVLAST =0.03626
 YFRAC(1)=0.015 ;YFRAC(9)=0.135
 YFRAC(17)=0.395 ;YFRAC(25)=0.675
 YFRAC(33)=0.895
 ************************************************************
  Group 5. Z-Direction Grid Spacing
 PARAB = F
 NZ = 40
 ZWLAST =0.03626
 ZFRAC(1)=0.025 ;ZFRAC(9)=0.225
 ZFRAC(17)=0.425 ;ZFRAC(25)=0.625
 ZFRAC(33)=0.825
 ************************************************************
  Group 6. Body-Fitted Coordinates
 ************************************************************
  Group 7. Variables: STOREd,SOLVEd,NAMEd
 ONEPHS = T
 NAME(1)=P1 ;NAME(5)=V1
 NAME(7)=W1 ;NAME(14)=TEMP
    * 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(TEMP,Y,Y,N,N,N,Y)
 ************************************************************
  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(TEMP,N,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 =1.207 ;TMP1 =0.
 EL1 =0.
 TSURR =0. ;TEMP0 =0.
 PRESS0 =0.
 DVO1DT =0.2874 ;DRH1DP =0.
 EMISS =0. ;SCATT =0.
 RADIA =0. ;RADIB =0.
 ENUL =1.5E-04 ;ENUT =0.
 PRNDTL(V1)=1. ;PRNDTL(W1)=1.
 PRNDTL(TEMP)=0.71
 PRT(V1)=1. ;PRT(W1)=1.
 PRT(TEMP)=1.
 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)=1.0E-10 ;FIINIT(TEMP)=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(HOT ,SWALL , 1, 1, 1, 1, 1, 40, 1, 1)
 COVAL(HOT ,W1 ,1. ,0. )
 COVAL(HOT ,TEMP,1. ,10. )
 
 PATCH(COLD ,NWALL , 1, 1, 40, 40, 1, 40, 1, 1)
 COVAL(COLD ,W1 ,1. ,0. )
 COVAL(COLD ,TEMP,1. ,-10. )
 
 PATCH(LOWAL ,LWALL , 1, 1, 1, 40, 1, 1, 1, 1)
 COVAL(LOWAL ,V1 ,1. ,0. )
 
 PATCH(HIWAL ,HWALL , 1, 1, 1, 40, 40, 40, 1, 1)
 COVAL(HIWAL ,V1 ,1. ,0. )
 
 PATCH(BUOYANCY,PHASEM, 1, 1, 1, 40, 1, 40, 1, 1)
 COVAL(BUOYANCY,W1 , FIXFLU , GRND3 )
 
 PATCH(REFP ,CELL , 1, 1, 20, 20, 20, 20, 1, 1)
 COVAL(REFP ,P1 ,1. ,0. )
 COVAL(REFP ,V1 ,0. ,0. )
 COVAL(REFP ,TEMP,0. , SAME )
 XCYCLE = F
 EGWF = T
 WALLCO = GRND2
 BUOYA =0. ; BUOYB =0.
 BUOYC =-9.81
 ************************************************************
  Group 14. Downstream Pressure For PARAB
 ************************************************************
  Group 15. Terminate Sweeps
 LSWEEP = 100 ;ISWC1 = 1
 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
 SELREF = T
 RESFAC =10.
 ************************************************************
  Group 16. Terminate Iterations
 LITER(P1)=-30 ;LITER(V1)=20
 LITER(W1)=20 ;LITER(TEMP)=20
 ENDIT(P1)=1.0E-03 ;ENDIT(V1)=1.0E-03
 ENDIT(W1)=1.0E-03 ;ENDIT(TEMP)=1.0E-03
 ************************************************************
  Group 17. Relaxation
 RELAX(P1,LINRLX,1.)
 RELAX(V1,FALSDT,1.0E-03)
 RELAX(W1,FALSDT,1.0E-03)
 RELAX(TEMP,FALSDT,1.)
 OVRRLX =0.
 EXPERT = T ;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(TEMP)=2. ;VARMIN(TEMP)=-1.0E+11
 ************************************************************
  Group 19. Data transmitted to GROUND
 PARSOL = F
 ISG62 = 1
 ************************************************************
  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(V1,Y,N,Y,Y,Y,Y)
 OUTPUT(W1,Y,N,Y,Y,Y,Y)
 OUTPUT(TEMP,Y,N,Y,Y,Y,Y)
 ************************************************************
  Group 22. Monitor Print-Out
 IXMON = 1 ;IYMON = 5 ;IZMON = 20
 NPRMON = 100000 ;NPRMNT = 1 ;TSTSWP = -1
 UWATCH = T ;USTEER = T
 HIGHLO = F
 ************************************************************
  Group 23.Field Print-Out & Plot Control
 NPRINT = 100000 ;NUMCLS = 5
 NYPRIN = 8 ;IYPRF = 1 ;IYPRL = 10000
 NZPRIN = 8 ;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
 
 PATCH(PROF ,PROFIL, 1, 1, 1, 40, 20, 20, 1, 1)
 PLOT(PROF ,W1 ,0. ,0. )
 PLOT(PROF ,TEMP,-10. ,10. )
 
 PATCH(CONT ,CONTUR, 1, 1, 1, 40, 1, 40, 1, 1)
 PLOT(CONT ,TEMP,0. ,10. )
 ************************************************************
  Group 24. Dumps For Restarts
 SAVE = T ;NOWIPE = F
 NSAVE =CHAM
STOP