```
TALK=T;RUN(1,1)
PHOTON USE
AUTOPLOT
file
PHI 5

cl
da 1 tem1
col3 1
blb2 1
sca x 0 1
sca y 400 1000
le y 418
k
13
0.61220E+03 0.28080E+04  a
0.38113E+04 0.49844E+03  a
0.37516E+04 0.49844E+03  x
r
msg Temperature profile
msg Analytical solution shows that TW=1000K (left side)
msg orange line  - analytical solution
msg blue squares - PHOENICS solution
ENDUSE
DISPLAY
The test case considers combined radiation and conduction in the
domain indicated below.
__________________________
/|                         |/
/|-->qflxwl=55kW/m2        |/<---TS=418K
/|                         |/
/|       AIR               |/
/|       PRPS=0            |/
/|                         |/
/|                         |/
/|<---TW                   |/
|________________________ |
----------> Y
length of domain = 1.0 m, height of domain = 1.0m

The problem is steady, one-dimensional and convection is absent.
The PHOENICS solution can be compared with the analytical
solution which shows that TW=1000.K, and the net radiative
flux at zone 2 =54.97kW/m2
ENDDIS
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************

TEXT(1-D FIXED-FLUX FLUID SURFACE : R113     )

************************************************************
************************************************************

IRUNN = 1 ;LIBREF = 113
************************************************************
Group 2. Time dependence
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = T
NX = 1
XULAST =1.
XFRAC(1)=1.
************************************************************
Group 4. Y-Direction Grid Spacing
NY = 5
YVLAST =1.
YFRAC(1)=0.2 ;YFRAC(2)=0.4
YFRAC(3)=0.6 ;YFRAC(4)=0.8
YFRAC(5)=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(147)=PRPS ;NAME(148)=TEM1
NAME(149)=SCAT ;NAME(150)=EMIS
* Y in SOLUTN argument list denotes:
* 1-stored 2-solved 3-whole-field
* 4-point-by-point 5-explicit 6-harmonic averaging
SOLUTN(PRPS,Y,N,N,N,N,Y)
SOLUTN(TEM1,Y,Y,Y,N,N,Y)
SOLUTN(SCAT,Y,N,N,N,N,Y)
SOLUTN(EMIS,Y,N,N,N,N,Y)
PRPS = 147
************************************************************
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(TEM1,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 =1.189 ;TMP1 =0.
EL1 =0.
TSURR =0. ;TEMP0 =0.
PRESS0 =1.0E+05
DVO1DT =3.41E-03 ;DRH1DP =0.
EMISS =0. ;SCATT =0.
ENUL =1.544E-05 ;ENUT =0.
PRNDTL(TEM1)=-0.0258
PRT(TEM1)=1.
CP1 =1005. ;CP2 =1.
************************************************************
Group 10.Inter-Phase Transfer Processes
************************************************************
Group 11.Initial field variables (PHIs)
FIINIT(PRPS)=-1. ;FIINIT(TEM1)=1000.
FIINIT(SCAT)=0. ;FIINIT(EMIS)=0.
No PATCHes yet used for this Group
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(TFIXR ,NWALL , 1, 1, 5, 5, 1, 1, 1, 1)
COVAL(TFIXR ,TEM1,1. ,418. )

PATCH(@RI001 ,SOUTH , 1, 1, 1, 1, 1, 1, 1, 1)
COVAL(@RI001 ,TEM1, GRND2 ,5.5E+04 )

PATCH(@RI002 ,NORTH , 1, 1, 5, 5, 1, 1, 1, 1)
COVAL(@RI002 ,TEM1,0. ,418. )
XCYCLE = F
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 4 ;ISWC1 = 1
LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =1.0E-04
************************************************************
Group 16. Terminate Iterations
LITER(TEM1)=20
ENDIT(TEM1)=1.0E-03
************************************************************
Group 17. Relaxation
RELAX(PRPS,LINRLX,1.)
RELAX(TEM1,FALSDT,1.0E+09)
RELAX(SCAT,LINRLX,1.)
RELAX(EMIS,LINRLX,1.)
OVRRLX =0.
EXPERT = F ;NNORSL = F
************************************************************
Group 18. Limits
VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10
VARMAX(TEM1)=1.0E+10 ;VARMIN(TEM1)=-1.0E+10
VARMAX(SCAT)=1.0E+10 ;VARMIN(SCAT)=-1.0E+10
VARMAX(EMIS)=1.0E+10 ;VARMIN(EMIS)=-1.0E+10
************************************************************
Group 19. Data transmitted to GROUND
S2SR = T
PARSOL = F
ISG62 = 1
SPEDAT(SET,DOMAIN,PHASE_1_MAT,I,0)
************************************************************
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(PRPS,Y,N,Y,N,N,N)
OUTPUT(TEM1,Y,N,Y,Y,Y,Y)
OUTPUT(SCAT,Y,N,Y,N,N,N)
OUTPUT(EMIS,Y,N,Y,N,N,N)
************************************************************
Group 22. Monitor Print-Out
IXMON = 1 ;IYMON = 1 ;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
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
```