TALK=T;RUN(1,1)
PHOTON USE
p
gr ou z 1;gr ou z 1 x 1 5 y 1 10
vec z 1 sh
msg Velocity distribution
msg Press Enter to continue
pause
vec off;red
con h1 z 1 fil;.01
msg Temperature contours
msg Press Enter to continue
pause
con off;red
con p1 z 1 sh;int 20
msg Pressure contours
msg Press Enter to end
ENDUSE
DISPLAY
Laminar mixed convection in a vertical channel
with a backstep: a benchmark study of K-12 Aerospace
Heat Transfer Committee of the Heat Transfer division
of ASME.
This case shows how to use plant to introduce the influence
of buoyancy forces and non-uniform inlet velocity profile.
ENDDIS
PLANTBEGIN
** Parabolic profile of streamwise velocity
PATCH(INLET,WEST,1,1,11,20,1,1,1,1)
VAL=1.0*3./2.*(1.-(3.-2.*YG2D)**2)
COVAL(INLET,P1,FIXFLU,GRND)
VAL=3./2.*(1.-(3.-2.*YG2D)**2)
COVAL(INLET,U1,ONLYMS,GRND)
COVAL(INLET,H1,ONLYMS, 0.000E+00)
** Buoyancy forces
PATCH(BUGR,VOLUME,1,NX,1,NY,1,1,1,1)
VAL=0.1*H1
COVAL(BUGR,U1,FIXFLU,GRND)
PLANTEND
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************
TEXT(BENCHMARK CASE OF MIXED CONVECTION:130 )
************************************************************
************************************************************
IRUNN = 1 ;LIBREF = 130
************************************************************
Group 2. Time dependence
STEADY = T
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = T
NX = 35
XULAST =1.
XFRAC(1)=1. ;XFRAC(2)=2.
XFRAC(3)=3. ;XFRAC(4)=4.
XFRAC(5)=5. ;XFRAC(6)=6.
XFRAC(7)=7. ;XFRAC(8)=8.
XFRAC(9)=9. ;XFRAC(10)=10.
XFRAC(11)=11. ;XFRAC(12)=12.
XFRAC(13)=13. ;XFRAC(14)=14.
XFRAC(15)=15. ;XFRAC(16)=16.
XFRAC(17)=17. ;XFRAC(18)=18.
XFRAC(19)=19. ;XFRAC(20)=20.
XFRAC(21)=21. ;XFRAC(22)=22.
XFRAC(23)=23. ;XFRAC(24)=24.
XFRAC(25)=25. ;XFRAC(26)=26.
XFRAC(27)=27. ;XFRAC(28)=28.
XFRAC(29)=29. ;XFRAC(30)=30.
XFRAC(31)=31. ;XFRAC(32)=32.
XFRAC(33)=33. ;XFRAC(34)=34.
XFRAC(35)=35.
************************************************************
Group 4. Y-Direction Grid Spacing
NY = 20
YVLAST =1.
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.
YFRAC(11)=1.1 ;YFRAC(12)=1.2
YFRAC(13)=1.3 ;YFRAC(14)=1.4
YFRAC(15)=1.5 ;YFRAC(16)=1.6
YFRAC(17)=1.7 ;YFRAC(18)=1.8
YFRAC(19)=1.9 ;YFRAC(20)=2.
************************************************************
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)=H1
NAME(149)=PRPS
* 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,Y,N,N,N)
SOLUTN(U1,Y,Y,N,N,N,Y)
SOLUTN(V1,Y,Y,N,N,N,Y)
SOLUTN(H1,Y,N,N,N,N,Y)
SOLUTN(PRPS,Y,N,N,N,N,Y)
PRPS = 149
************************************************************
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)
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-02 ;ENUT =0.
PRNDTL(U1)=1. ;PRNDTL(V1)=1.
PRT(U1)=1. ;PRT(V1)=1.
CP1 =1. ;CP2 =1.
************************************************************
Group 10.Inter-Phase Transfer Processes
************************************************************
Group 11.Initial field variables (PHIs)
FIINIT(P1)=1.3E-04 ;FIINIT(U1)=1.
FIINIT(V1)=1.0E-10 ;FIINIT(H1)=0.5
FIINIT(PRPS)=-1.
PATCH(CMP0 ,INIVAL, 1, 5, 1, 10, 1, 1, 1, 1)
INIT(CMP0 ,PRPS,0. ,198. )
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(SHOWINL ,WEST , 1, 1, 11, 20, 1, 1, 1, 1)
PATCH(INLET ,WEST , 1, 1, 11, 20, 1, 1, 1, 1)
COVAL(INLET ,P1 , FIXFLU , GRND )
COVAL(INLET ,U1 ,0. , GRND )
COVAL(INLET ,H1 ,0. ,0. )
PATCH(BUGR ,VOLUME, 1, 35, 1, 20, 1, 1, 1, 1)
COVAL(BUGR ,U1 , FIXFLU , GRND )
PATCH(OUTLET ,EAST , 35, 35, 1, 20, 1, 1, 1, 1)
COVAL(OUTLET ,P1 ,1000. ,0. )
PATCH(TOPWALL ,NWALL , 1, 35, 20, 20, 1, 1, 1, 1)
COVAL(TOPWALL ,U1 ,1. ,0. )
COVAL(TOPWALL ,H1 ,1.428571 ,0. )
PATCH(BOTWALL ,SWALL , 6, 35, 1, 1, 1, 1, 1, 1)
COVAL(BOTWALL ,U1 ,1. ,0. )
COVAL(BOTWALL ,H1 ,1.428571 ,1. )
XCYCLE = F
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 65 ;ISWC1 = 1
LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =1.0E-05
************************************************************
Group 16. Terminate Iterations
LITER(P1)=20 ;LITER(U1)=10
LITER(V1)=10
ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-06
ENDIT(V1)=1.0E-06
************************************************************
Group 17. Relaxation
RELAX(P1,LINRLX,0.5)
RELAX(U1,FALSDT,10.)
RELAX(V1,FALSDT,10.)
RELAX(H1,LINRLX,1.)
RELAX(PRPS,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(H1)=1.0E+10 ;VARMIN(H1)=-1.0E+10
VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10
************************************************************
Group 19. Data transmitted to GROUND
NAMSAT =MOSG
PARSOL = F
ISG62 = 1
SPEDAT(SET,GXMONI,PLOTALL,L,T)
SPEDAT(SET,MATERIAL,198,L,T)
************************************************************
Group 20. Preliminary Printout
DISTIL = T ;NULLPR = F
NDST = 0
DSTTOL =1.0E-02
EX(P1)=0.1666 ;EX(U1)=0.5044
EX(V1)=0.0116 ;EX(H1)=0.2395
EX(PRPS)=15.07
************************************************************
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,Y,Y,Y,Y,Y)
OUTPUT(U1,Y,Y,Y,Y,Y,Y)
OUTPUT(V1,Y,Y,Y,Y,Y,Y)
OUTPUT(H1,Y,N,Y,N,N,N)
OUTPUT(PRPS,Y,N,Y,N,N,N)
************************************************************
Group 22. Monitor Print-Out
IXMON = 7 ;IYMON = 8 ;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 = -1 ;IXPRF = 1 ;IXPRL = 10000
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