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TALK=T;RUN(1,1)
PHOTON USE
p
phi
1 .25 .75

msg         3D RADIATIVE HEAT  TRANSFER IN A BOX
msg
msg   Temperature distribution:
gr ou x 1;gr ou y 1;gr ou z 1
con h1 x 1 fi ;0.001
con h1 y 1 fi ;0.001
con h1 z 1 fi ;0.001
msg
msg Press  to continue
pause
con off;red
con radx y 1 fi; 0.001
con radx z 1 fi; 0.001
msg
msg Press  to continue
pause
con off;red
msg
msg Press  to continue
pause
con off;red
msg
msg Press e to END
enduse
DISPLAY
Radiative heat transfer in a 3D box is considered. One half of
each of the high and low walls are held at constant but different
temperatures; the other walls are assumed to be adiabatic. The
emissivities of the  walls are assumed to be equal.
ENDDIS
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************

TEXT(3D Radiant Heat Transfer In A Box       )

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

IRUNN = 1 ;LIBREF = 14
************************************************************
Group 2. Time dependence
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = T
NX = 8
XULAST =1.
XFRAC(1)=0.125 ;XFRAC(2)=0.25
XFRAC(3)=0.375 ;XFRAC(4)=0.5
XFRAC(5)=0.625 ;XFRAC(6)=0.75
XFRAC(7)=0.875 ;XFRAC(8)=1.
************************************************************
Group 4. Y-Direction Grid Spacing
NY = 8
YVLAST =1.
YFRAC(1)=0.125 ;YFRAC(3)=0.375
YFRAC(5)=0.625 ;YFRAC(7)=0.875
************************************************************
Group 5. Z-Direction Grid Spacing
PARAB = F
NZ = 8
ZWLAST =1.
ZFRAC(1)=0.125 ;ZFRAC(3)=0.375
ZFRAC(5)=0.625 ;ZFRAC(7)=0.875
************************************************************
Group 6. Body-Fitted Coordinates
************************************************************
Group 7. Variables: STOREd,SOLVEd,NAMEd
ONEPHS = T
* Y in SOLUTN argument list denotes:
* 1-stored 2-solved 3-whole-field
* 4-point-by-point 5-explicit 6-harmonic averaging
SOLUTN(H1,Y,Y,Y,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(H1,N,N,Y,N,Y,N)
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 = GRND2
EL1 =0.
TSURR =0. ;TEMP0 =0.
PRESS0 =0.
DVO1DT =0. ;DRH1DP =0.
TMP1A =0. ;TMP1B =1.
TMP1C =0.
TMP2A =0. ;TMP2B =0.
TMP2C =0.
EMISS =0. ;SCATT =0.
ENUL =1.0E-05 ;ENUT =0.
CP1 =1. ;CP2 =1.
************************************************************
Group 10.Inter-Phase Transfer Processes
************************************************************
Group 11.Initial field variables (PHIs)
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(RADISO ,FREEVL, 0, 0, 0, 0, 0, 0, 1, 1)
COVAL(RADISO ,H1 , GRND1 , GRND1 )

PATCH(HOTLR ,LOW , 1, 4, 1, 8, 1, 1, 1, 1)

PATCH(HOTLH ,LWALL , 1, 4, 1, 8, 1, 1, 1, 1)
COVAL(HOTLH ,H1 ,1.369863 ,300. )

PATCH(HOTHR ,HIGH , 1, 4, 1, 8, 8, 8, 1, 1)

PATCH(HOTHH ,HWALL , 1, 4, 1, 8, 8, 8, 1, 1)
COVAL(HOTHH ,H1 ,1.369863 ,1200. )
XCYCLE = F
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 30 ;ISWC1 = 1
LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =1.0E-02
************************************************************
Group 16. Terminate Iterations
************************************************************
Group 17. Relaxation
RELAX(H1,FALSDT,1.0E-02)
OVRRLX =0.
EXPERT = F ;NNORSL = F
************************************************************
Group 18. Limits
VARMAX(H1)=1.0E+10 ;VARMIN(H1)=-1.0E+10
************************************************************
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(H1,Y,N,Y,Y,Y,Y)
************************************************************
Group 22. Monitor Print-Out
IXMON = 4 ;IYMON = 4 ;IZMON = 4
NPRMON = 100000 ;NPRMNT = 1 ;TSTSWP = -1
UWATCH = T ;USTEER = T
HIGHLO = F
************************************************************
Group 23.Field Print-Out & Plot Control
NPRINT = 100000 ;NUMCLS = 5
NXPRIN = -1 ;IXPRF = 4 ;IXPRL = 4
NYPRIN = 2 ;IYPRF = 1 ;IYPRL = 10000
NZPRIN = 2 ;IZPRF = 1 ;IZPRL = 10000
XZPR = F ;YZPR = T
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(MIDPLANE,CONTUR, 1, 8, 1, 8, 4, 4, 1, 1)
PLOT(MIDPLANE,H1 ,0. ,10. )