TALK=T;RUN(1,1)
  PHOTON USE
  p
  p2
  10 1

  view x
  norm
  gr ou x 1
  msg   Velocity vectors - time=1 sec
  vec x 1 sh
  msg
  msg Press  to continue
  pause
  vec off;red
  msg        Pressure distribution - time=1 sec
  con p1 x 1 fi;.01
  msg
  msg Press  to continue
  pause
  con off;red
  msg   Temperature distribution - Prandtl number 0.7:
  con h1 x 1 fi;.001
  msg Press  to continue
  pause
  con off;red
  msg   Temperature distribution - Prandtl number 1.0:
  con a x 1 fi;.001
  msg
  msg Press  to continue
  pause
  con off;red
  msg   Temperature distribution - Prandtl number 0.1:
  con b x 1 fi;.001
  msg
  msg Press  to see results after increase in flow rate
  pause
  p
  p4
  10 1



  view x
  norm
  gr ou x 1
  msg   Velocity vectors - time=3 sec
  vec x 1 sh
  msg
  msg Press  to continue
  pause
  vec off;red
  msg        Pressure distribution - time=3 sec
  con p1 x 1 fi;.01
  msg
  msg Press  to continue
  pause
  con off;red
  msg   Temperature distribution - Prandtl number 0.7:
  con h1 x 1 fi;.001
  msg Press  to continue
  pause
  con off;red
  msg   Temperature distribution - Prandtl number 1.0:
  con a x 1 fi;.001
  msg
  msg Press  to continue
  pause
  con off;red
  msg   Temperature distribution - Prandtl number 0.1:
  con b x 1 fi;.001
  msg
  msg Press e to END
  enduse
  DISPLAY
  This case examines the transient flow in a pipe resulting from
  an abrupt change in inlet conditions. The  uniform inflow
  is imposed at the inlet, at the start of the calculation.
  The pipe-wall temperature differs from the initial temperature
  of the flow. Three extra variables are treated as temperatures
  with different Prandtl numbers.

  The development of the transient flow can be studied through
  changing parameters such as geometry, flow properties and flow
  rate at the inlet.
                              hot pipe wall
                      ////////////////////////////
             inlet   -----------------------------
                  ---->
              uniform inflow                       exit
                  ---->
                  _________________________axis____________

  For a grid-independent solution, smaller grid size is needed.
  ENDDIS
 ************************************************************
  Group 1. Run Title and Number
 ************************************************************
 ************************************************************
 
 TEXT(Laminar Flow In Pipe-Transient          )
 
 ************************************************************
 ************************************************************
 
 IRUNN = 1 ;LIBREF = 14
 ************************************************************
  Group 2. Time dependence
 STEADY = F
    * Set overall time and no. of steps
 TFIRST =0. ;TLAST =0.5
 FSTEP = 1 ;LSTEP = 5
 TFRAC(1)=0.2 ;TFRAC(2)=0.4
 TFRAC(3)=0.6 ;TFRAC(4)=0.8
 TFRAC(5)=1.
 ************************************************************
  Group 3. X-Direction Grid Spacing
 CARTES = F
 NX = 1
 XULAST =1.0E-02
 XFRAC(1)=1.
 ************************************************************
  Group 4. Y-Direction Grid Spacing
 NY = 10
 YVLAST =1.0E-02
 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 = 10
 ZWLAST =0.5
 ZFRAC(1)=0.1 ;ZFRAC(3)=0.3
 ZFRAC(5)=0.5 ;ZFRAC(7)=0.7
 ZFRAC(9)=0.9
 ************************************************************
  Group 6. Body-Fitted Coordinates
 ************************************************************
  Group 7. Variables: STOREd,SOLVEd,NAMEd
 ONEPHS = T
 NAME(1)=P1 ;NAME(5)=V1
 NAME(7)=W1 ;NAME(14)=H1
 NAME(16)=A ;NAME(17)=B
 NAME(18)=C
    * 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(V1,Y,Y,N,N,N,Y)
 SOLUTN(W1,Y,Y,N,N,N,Y)
 SOLUTN(H1,Y,Y,N,N,N,Y)
 SOLUTN(A,Y,Y,N,N,N,Y)
 SOLUTN(B,Y,Y,N,N,N,Y)
 SOLUTN(C,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(H1,Y,Y,Y,Y,Y,Y)
 TERMS(A,N,Y,Y,Y,Y,Y)
 TERMS(B,N,Y,Y,Y,N,Y)
 TERMS(C,N,Y,Y,Y,Y,Y)
 DIFCUT =0.5 ;ZDIFAC =1.
 GALA = F ;ADDDIF = F
 HUNIT =1.
 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-05 ;ENUT =0.
 PRNDTL(V1)=1. ;PRNDTL(W1)=1.
 PRNDTL(H1)=0.7 ;PRNDTL(A)=1.
 PRNDTL(B)=0.1 ;PRNDTL(C)=10.
 PRT(V1)=1. ;PRT(W1)=1.
 PRT(H1)=1. ;PRT(A)=1.
 PRT(B)=1. ;PRT(C)=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(H1)=1.0E-10
 FIINIT(A)=1.0E-10 ;FIINIT(B)=1.0E-10
 FIINIT(C)=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(PIPEW ,NWALL , 1, 1, 10, 10, 1, 10, 1, 5)
 COVAL(PIPEW ,W1 ,1. ,0. )
 COVAL(PIPEW ,H1 ,1.428571 ,1. )
 COVAL(PIPEW ,A ,1. ,1. )
 COVAL(PIPEW ,B ,10. ,1. )
 COVAL(PIPEW ,C ,0.1 ,1. )
 
 PATCH(UNIFORM ,LOW , 1, 1, 1, 10, 1, 1, 1, 2)
 COVAL(UNIFORM ,P1 , FIXFLU ,0.1 )
 COVAL(UNIFORM ,V1 ,0. ,0. )
 COVAL(UNIFORM ,W1 ,0. ,0.1 )
 COVAL(UNIFORM ,H1 ,0. ,0. )
 COVAL(UNIFORM ,A ,0. ,0. )
 COVAL(UNIFORM ,B ,0. ,0. )
 COVAL(UNIFORM ,C ,0. ,0. )
 
 PATCH(OUTLET ,HIGH , 1, 1, 1, 10, 10, 10, 1, 5)
 COVAL(OUTLET ,P1 , FIXVAL ,0. )
 COVAL(OUTLET ,V1 ,0. ,0. )
 COVAL(OUTLET ,W1 ,0. ,0. )
 
 PATCH(RE1000 ,LOW , 1, 1, 1, 10, 1, 1, 3, 5)
 COVAL(RE1000 ,P1 , FIXFLU ,1. )
 COVAL(RE1000 ,V1 ,0. ,0. )
 COVAL(RE1000 ,W1 ,0. ,1. )
 COVAL(RE1000 ,H1 ,0. ,0. )
 COVAL(RE1000 ,A ,0. ,0. )
 COVAL(RE1000 ,B ,0. ,0. )
 COVAL(RE1000 ,C ,0. ,0. )
 XCYCLE = F
 EGWF = T
 WALLCO = GRND2
 ************************************************************
  Group 14. Downstream Pressure For PARAB
 ************************************************************
  Group 15. Terminate Sweeps
 LSWEEP = 20 ;ISWC1 = 1
 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
 SELREF = T
 RESFAC =1.0E-02
 ************************************************************
  Group 16. Terminate Iterations
 LITER(P1)=20 ;LITER(V1)=10
 LITER(W1)=10 ;LITER(H1)=20
 LITER(A)=20 ;LITER(B)=20
 LITER(C)=20
 ENDIT(P1)=1.0E-03 ;ENDIT(V1)=1.0E-03
 ENDIT(W1)=1.0E-03 ;ENDIT(H1)=1.0E-03
 ENDIT(A)=1.0E-03 ;ENDIT(B)=1.0E-03
 ENDIT(C)=1.0E-03
 ************************************************************
  Group 17. Relaxation
 RELAX(P1,LINRLX,1.)
 RELAX(V1,FALSDT,1.)
 RELAX(W1,FALSDT,1.)
 RELAX(H1,FALSDT,1.0E+09)
 RELAX(A,FALSDT,1.0E+09)
 RELAX(B,FALSDT,1.0E+09)
 RELAX(C,FALSDT,1.0E+09)
 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(H1)=1.0E+10 ;VARMIN(H1)=-1.0E+10
 VARMAX(A)=1.0E+10 ;VARMIN(A)=-1.0E+10
 VARMAX(B)=1.0E+10 ;VARMIN(B)=-1.0E+10
 VARMAX(C)=1.0E+10 ;VARMIN(C)=-1.0E+10
 ************************************************************
  Group 19. Data transmitted to GROUND
 PARSOL = F
 ISG62 = 1
 SPEDAT(SET,GXMONI,TRANSIENT,L,F)
 SPEDAT(SET,GXMONI,PLOTALL,L,T)
 ************************************************************
  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(H1,Y,N,Y,Y,Y,Y)
 OUTPUT(A,Y,N,Y,Y,Y,Y)
 OUTPUT(B,Y,N,Y,Y,Y,Y)
 OUTPUT(C,Y,N,Y,Y,Y,Y)
 ************************************************************
  Group 22. Monitor Print-Out
 IXMON = 1 ;IYMON = 5 ;IZMON = 5
 NPRMON = 20 ;NPRMNT = 1 ;TSTSWP = -1
 UWATCH = T ;USTEER = T
 HIGHLO = F
 ************************************************************
  Group 23.Field Print-Out & Plot Control
 NPRINT = 100000 ;NUMCLS = 5
 NTPRIN = 1 ;ISTPRF = 1 ;ISTPRL = 100000
 NYPRIN = -1 ;IYPRF = 1 ;IYPRL = 10000
 NZPRIN = 2 ;IZPRF = 1 ;IZPRL = 10000
 XZPR = F ;YZPR = F
 IPLTF = 1 ;IPLTL = 30 ;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(TIMPLOT1,PROFIL, 1, 1, 1, 10, 9, 9, 1, 5)
 PLOT(TIMPLOT1,W1 ,0. ,0.2 )
 PLOT(TIMPLOT1,A ,0. ,1. )
 PLOT(TIMPLOT1,B ,0. ,1. )
 PLOT(TIMPLOT1,C ,0. ,1. )
 
 PATCH(TIMPLOT2,CONTUR, 1, 1, 1, 10, 1, 10, 1, 5)
 PLOT(TIMPLOT2,W1 ,0. ,10. )
 PLOT(TIMPLOT2,H1 ,0. ,10. )
 PLOT(TIMPLOT2,A ,0. ,10. )
 PLOT(TIMPLOT2,B ,0. ,10. )
 PLOT(TIMPLOT2,C ,0. ,10. )
 ************************************************************
  Group 24. Dumps For Restarts
 SAVE = T ;NOWIPE = F
 NSAVE =CHAM
 IDISPA = 1 ;IDISPB = 0 ;IDISPC = 0
 CSG1    ='P'
STOP