TALK=T;RUN(1,1)
PHOTON USE
p
parphi
10 1
gr x 1
msg y (radial) scale enlarged 10 times
msg press return for the pressure distribution
gr off
gr ou x 1
msg pressures. Press return for concentrations of A (Pr=1.0 )
con p1 x 1 fi;0.01
pause
con off
red
msg A contours. Press return for concentrations of B (Pr=0.1 )
con a x 1 fi;0.01
pause
con off
red
msg B contours. Press return for concentrations of C (Pr=10.0 )
con B x 1 fi;0.01
pause
con off
red
msg C contours. Press return for contours of longitudinal velocity
con C x 1 fi;0.01
pause
con off
red
msg W1 contours. Press return for velocity vectors
con W1 x 1 fi;0.01
pause
con off
red
msg velocity vectors. Press E to end
vec x 1 sh
enduse
DISPLAY
This run simulates developing laminar flow in a heated pipe of
fixed wall temperature. The effect of Prandtl number is shown by
solving for 4 different scalars, with Pr = 0.1, 0.7, 1.0 & 10.0 .
heated pipe.
Interesting parametric variations include:-
Reynolds number; length-to-diameter ratio; and the use of
fixed-flux rather than fixed-value boundary conditions.
Case 604 explores the influence of varying pipe diameter with
longitudinal distance.
This Q1 contains PHOTON USE commands.
^ .-.-----------------------------.
|r / \ \
| -|--> | Heated pipe wall; |->
-|--> | also source of A,B+C. |->
Fixed \ / /
mass, `-'-----------------------------'
momentum and z---->
enthalpy fluxes
enddis
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************
TEXT(Pipe Flow; Effect Of Prandtl No. )
************************************************************
************************************************************
IRUNN = 1 ;LIBREF = 14
************************************************************
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 =1.0E-02
YFRAC(1)=0.05 ;YFRAC(3)=0.15
YFRAC(5)=0.25 ;YFRAC(7)=0.35
YFRAC(9)=0.45 ;YFRAC(11)=0.55
YFRAC(13)=0.65 ;YFRAC(15)=0.75
YFRAC(17)=0.85 ;YFRAC(19)=0.95
************************************************************
Group 5. Z-Direction Grid Spacing
PARAB = T
NZ = 20
ZWLAST =0.2
ZFRAC(1)=0.05 ;ZFRAC(11)=0.55
************************************************************
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
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(PIPEWALL,NWALL , 1, 1, 20, 20, 1, 20, 1, 1)
COVAL(PIPEWALL,W1 ,1. ,0. )
COVAL(PIPEWALL,H1 ,1. ,1. )
COVAL(PIPEWALL,A ,1. ,1. )
COVAL(PIPEWALL,B ,1. ,1. )
COVAL(PIPEWALL,C ,1. ,1. )
PATCH(IN ,LOW , 1, 1, 1, 20, 1, 1, 1, 1)
COVAL(IN ,P1 , FIXFLU ,0.1 )
COVAL(IN ,V1 ,0. ,0. )
COVAL(IN ,W1 ,0. ,0.1 )
COVAL(IN ,H1 ,0. ,0. )
COVAL(IN ,A ,0. ,0. )
COVAL(IN ,B ,0. ,0. )
COVAL(IN ,C ,0. ,0. )
XCYCLE = F
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
IPARAB = 0
AZPH =0. ;PBAR =0.
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 1 ;ISWC1 = 1
LITHYD = 30 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =1.0E-03
************************************************************
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,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 = 1
NPRMON = 30 ;NPRMNT = 1 ;TSTSWP = 15
UWATCH = T ;USTEER = T
HIGHLO = F
************************************************************
Group 23.Field Print-Out & Plot Control
NPRINT = 100000 ;NUMCLS = 5
NYPRIN = 2 ;IYPRF = 1 ;IYPRL = 10000
NZPRIN = 10 ;IZPRF = 1 ;IZPRL = 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
PATCH(EXIT ,PROFIL, 1, 1, 1, 20, 20, 20, 1, 1)
PLOT(EXIT ,W1 ,0. ,0. )
PLOT(EXIT ,H1 ,0. ,0. )
PLOT(EXIT ,A ,0. ,0. )
PLOT(EXIT ,B ,0. ,0. )
PLOT(EXIT ,C ,0. ,0. )
************************************************************
Group 24. Dumps For Restarts
SAVE = T ;NOWIPE = F
NSAVE =CHAM
IDISPA = 1 ;IDISPB = 2 ;IDISPC = 20
STOP