TALK=T;RUN(1,1)
  DISPLAY

  FLAME PHENOMENA (Propagation, ignition in a gas)

  2-dimensional (x-y), cartesian, steady, elliptic simulation

  Demonstration of some steady one-phase flame phenomena
  namely   :-  1 D spontaneous ignition in a long duct
               1 D laminar flame propagation

    ----------------------------------------------------
    r=1.e-4        <--| flame-front                    r=1.
    -----------------------------------------------------
                          x----->

  In order to enable parametric studies to be made quickly,
  and to facilitate display, each problem is made 2 D,
  the additional dimensions being used for the varied
  parameters.


  enddis
  PHOTON USE
  p



  msg Reactedness contours
  con rctd z 1 fi;0.005
  msg( Press RETURN to continue
  pause
  *msg Velocity vectors. Press RETURN for grid
  *set ref vec 10;vec z 1
  *pause
  msg Grid
  gr z 1
  msg( Press RETURN for velocity contours
  pause
  con off;vec off;red
  msg Contours of gas velocity
  con u1 z 1 fi;0.01
  msg Press e to END
  enduse
 ************************************************************
  Group 1. Run Title and Number
 ************************************************************
 ************************************************************
 
 TEXT(Steady 1D Flame Phenomena               )
 
 ************************************************************
 ************************************************************
 
 IRUNN = 1 ;LIBREF = 851
 ************************************************************
  Group 2. Time dependence
 STEADY = T
 ************************************************************
  Group 3. X-Direction Grid Spacing
 CARTES = T
 NX = 100
 XULAST =1.
 XFRAC(1)=1.0E-02 ;XFRAC(21)=0.21
 XFRAC(41)=0.41 ;XFRAC(61)=0.61
 XFRAC(81)=0.81
 ************************************************************
  Group 4. Y-Direction Grid Spacing
 NY = 10
 YVLAST =0.5
 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.
 ************************************************************
  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)=RCTD
 NAME(145)=RHO1 ;NAME(146)=TMP1
 NAME(147)=ENUL ;NAME(148)=NPOR
 NAME(149)=EPOR ;NAME(150)=VPOR
    * 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,N,N,N,Y)
 SOLUTN(U1,Y,Y,N,N,N,Y)
 SOLUTN(V1,Y,Y,N,N,N,Y)
 SOLUTN(RCTD,Y,Y,N,N,N,Y)
 SOLUTN(RHO1,Y,N,N,N,N,Y)
 SOLUTN(TMP1,Y,N,N,N,N,Y)
 SOLUTN(ENUL,Y,N,N,N,N,Y)
 SOLUTN(NPOR,Y,N,N,N,N,Y)
 SOLUTN(EPOR,Y,N,N,N,N,Y)
 SOLUTN(VPOR,Y,N,N,N,N,Y)
 DEN1 = 145
 VISL = 147
 EPOR = 149 ;HPOR = 0 ;NPOR = 148 ;VPOR = 150
 TEMP1 = 146
 ************************************************************
  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(RCTD,N,Y,Y,Y,Y,Y)
 DIFCUT =0.5 ;ZDIFAC =1.
 GALA = F ;ADDDIF = F
 NEWRH1 = T
 NEWENL = 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 = GRND2 ;TMP1 = GRND2
 EL1 =0.
 TSURR =0. ;TEMP0 =0.
 PRESS0 =0.
 DVO1DT =0. ;DRH1DP =0.
 RHO1A =1. ;RHO1B =5.
 RHO1C =0.
 TMP1A =0. ;TMP1B =0.
 TMP1C =0.
 TMP2A =0. ;TMP2B =0.
 TMP2C =0.
 EMISS =0. ;SCATT =0.
 RADIA =0. ;RADIB =0.
 ENUL = GRND1 ;ENUT =0.
 ENULA =0.2 ;ENULB =0.6
 ENULC =0.
 PRNDTL(U1)=1. ;PRNDTL(V1)=1.
 PRNDTL(RCTD)=1.
 PRT(U1)=1. ;PRT(V1)=1.
 PRT(RCTD)=1.
 CP1 =1. ;CP2 =1.
 ************************************************************
  Group 10.Inter-Phase Transfer Processes
 ************************************************************
  Group 11.Initial field variables (PHIs)
 FIINIT(P1)=1.0E-10 ;FIINIT(U1)=1.
 FIINIT(V1)=0. ;FIINIT(RCTD)=1.0E-02
 FIINIT(RHO1)=1.0E-10 ;FIINIT(TMP1)=1.0E-10
 FIINIT(ENUL)=1.0E-10 ;FIINIT(NPOR)=0.
 FIINIT(EPOR)=1. ;FIINIT(VPOR)=1.
 
 PATCH(POROS ,LINVLY, 1, 100, 1, 10, 1, 1, 1, 1)
 INIT(POROS ,EPOR,0.7 ,0.12 )
 INIT(POROS ,VPOR,0.7 ,0.12 )
 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(IXEQNX ,CELL , 100, 100, 1, 10, 1, 1, 1, 1)
 COVAL(IXEQNX ,P1 ,1. ,0. )
 COVAL(IXEQNX ,RCTD, FIXVAL ,1. )
 
 PATCH(IXEQ1 ,WEST , 1, 1, 1, 10, 1, 1, 1, 1)
 COVAL(IXEQ1 ,P1 , FIXFLU ,1. )
 COVAL(IXEQ1 ,U1 ,0. ,1. )
 COVAL(IXEQ1 ,RCTD,0. ,1.0E-02 )
 
 PATCH(CHSOTERM,PHASEM, 1, 100, 1, 10, 1, 1, 1, 1)
 COVAL(CHSOTERM,RCTD, GRND7 ,1. )
 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
 SELREF = T
 RESFAC =1.0E-02
 ************************************************************
  Group 16. Terminate Iterations
 LITER(P1)=20 ;LITER(U1)=10
 LITER(V1)=10 ;LITER(RCTD)=20
 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03
 ENDIT(V1)=1.0E-03 ;ENDIT(RCTD)=1.0E-03
 ************************************************************
  Group 17. Relaxation
 RELAX(P1,LINRLX,0.5)
 RELAX(U1,FALSDT,0.02)
 RELAX(V1,FALSDT,1.0E-20)
 RELAX(RCTD,FALSDT,1.0E+09)
 RELAX(RHO1,LINRLX,0.5)
 RELAX(TMP1,LINRLX,1.)
 RELAX(ENUL,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(RCTD)=1.0E+10 ;VARMIN(RCTD)=-1.0E+10
 VARMAX(RHO1)=1.0E+10 ;VARMIN(RHO1)=-1.0E+10
 VARMAX(TMP1)=1.0E+10 ;VARMIN(TMP1)=-1.0E+10
 VARMAX(ENUL)=1.0E+10 ;VARMIN(ENUL)=-1.0E+10
 VARMAX(NPOR)=1.0E+10 ;VARMIN(NPOR)=-1.0E+10
 VARMAX(EPOR)=1.0E+10 ;VARMIN(EPOR)=-1.0E+10
 VARMAX(VPOR)=1.0E+10 ;VARMIN(VPOR)=-1.0E+10
 ************************************************************
  Group 19. Data transmitted to GROUND
 PARSOL = F
 ISG62 = 1
 CHSOA =5000. ;CHSOB =6.
 ************************************************************
  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(RCTD,Y,N,Y,Y,Y,Y)
 OUTPUT(RHO1,Y,N,Y,N,N,N)
 OUTPUT(TMP1,Y,N,Y,N,N,N)
 OUTPUT(ENUL,Y,N,Y,N,N,N)
 OUTPUT(NPOR,Y,N,Y,N,N,N)
 OUTPUT(EPOR,Y,N,Y,N,N,N)
 OUTPUT(VPOR,Y,N,Y,N,N,N)
 ************************************************************
  Group 22. Monitor Print-Out
 IXMON = 50 ;IYMON = 5 ;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 = 20 ;IXPRF = 1 ;IXPRL = 10000
 NYPRIN = -1 ;IYPRF = 1 ;IYPRL = 10000
 IPLTF = 1 ;IPLTL = -1 ;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(XWISE ,PROFIL, 50, 100, 1, 1, 1, 1, 1, 1)
 PLOT(XWISE ,RCTD,0. ,0. )
 
 PATCH(MAP ,CONTUR, 1, 100, 1, 10, 1, 1, 1, 1)
 PLOT(MAP ,RCTD,0. ,10. )
 ************************************************************
  Group 24. Dumps For Restarts
 SAVE = T ;NOWIPE = F
 NSAVE =CHAM
STOP