TALK=T;RUN(1,1)
DISPLAY
Library case H106:
COOLING OF 12 CHIPS
This case represents a real-life model of an electronic
box. It has 12 chips dissipating heat and mounted on two
PCBs. Flow is forced through the box by a fan. Turbulence
is modelled using LVEL turbulence model.
(Use PHOTON to display results. Enter USE Q1 in PHOTON
command mode, or create a file called U, which contains
the one line: USE Q1 before typing RUNPHO.)
ENDDIS
PHOTON USE
p;;;;
use patgeo
msg Geometry of the problem
msg
use hotspot
msg Press return to plot temperature contours
pause
cont tem1 x 6 fil;.001
msg
msg Press return to plot velocity field
pause
vec z 1 sh
vec z m sh
vec x 6 sh
pause
msg
msg Press return for a side view
vec off 1 2
vi x
msg
msg Type E to end
ENDUSE
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************
TEXT(Cooling Of 12 Chips )
************************************************************
************************************************************
IRUNN = 1 ;LIBREF = 14
************************************************************
Group 2. Time dependence
STEADY = T
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = T
NX = 20
XULAST =0.6
XFRAC(1)=0.055556 ;XFRAC(5)=0.25
XFRAC(9)=0.420833 ;XFRAC(13)=0.625
XFRAC(17)=0.833333
************************************************************
Group 4. Y-Direction Grid Spacing
NY = 25
YVLAST =1.2
YFRAC(1)=0.041667 ;YFRAC(6)=0.25
YFRAC(11)=0.416667 ;YFRAC(16)=0.625
YFRAC(21)=0.833333
************************************************************
Group 5. Z-Direction Grid Spacing
PARAB = F
NZ = 15
ZWLAST =0.8
ZFRAC(1)=0.0625 ;ZFRAC(4)=0.25
ZFRAC(7)=0.4375 ;ZFRAC(10)=0.645833
ZFRAC(13)=0.875
************************************************************
Group 6. Body-Fitted Coordinates
************************************************************
Group 7. Variables: STOREd,SOLVEd,NAMEd
ONEPHS = T
NAME(1)=P1 ;NAME(3)=U1
NAME(5)=V1 ;NAME(7)=W1
NAME(46)=BLOK ;NAME(47)=PRPS
NAME(49)=DEN1 ;NAME(50)=TEM1
NAME(149)=LTLS ;NAME(150)=WDIS
* 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(W1,Y,Y,N,N,N,Y)
SOLUTN(BLOK,Y,N,N,N,N,Y)
SOLUTN(PRPS,Y,N,N,N,N,Y)
SOLUTN(DEN1,Y,N,N,N,N,Y)
SOLUTN(TEM1,Y,Y,Y,N,N,Y)
SOLUTN(LTLS,Y,Y,Y,N,N,Y)
SOLUTN(WDIS,Y,N,N,N,N,Y)
DEN1 = 49
IVARBK = -1 ;ISOLBK = 1
PRNITS= F ;OPTRLX= F ;NOSIP= F ;ALLVBC= F
DBSOLV= F ;IMPINI= F ;EARL1D= F
PRPS = 47
************************************************************
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)
TERMS(W1,Y,Y,Y,Y,Y,Y)
TERMS(TEM1,N,Y,Y,Y,Y,Y)
TERMS(LTLS,N,N,Y,N,Y,Y)
DIFCUT =0.5 ;ZDIFAC =1.
GALA = F ;ADDDIF = F
NEWENT = T
ISOLX = 0 ;ISOLY = 0 ;ISOLZ = 0
************************************************************
Group 9. Properties used if PRPS is not
stored, and where PRPS = -1.0 if it is!
RHO1 = FILE ;TMP1 =0. ;EL1 = GRND1
TSURR =0. ;TEMP0 =273. ;PRESS0 =1.0E+05
DVO1DT =1.189 ;DRH1DP =0.
EMISS =0. ;SCATT =0.
RADIA =0. ;RADIB =0.
EL1A =0. ;EL1B =1. ;EL1C =0.
ENUL = FILE ;ENUT = GRND8
ENUTA =0. ;ENUTB =0. ;ENUTC =0.
IENUTA = 0
PRNDTL(U1)=1. ;PRNDTL(V1)=1.
PRNDTL(W1)=1. ;PRNDTL(TEM1)=CONDFILE
PRNDTL(LTLS)=GRND2
PRT(U1)=1. ;PRT(V1)=1.
PRT(W1)=1. ;PRT(TEM1)=1.
PRT(LTLS)=1.
CP1 = FILE ;CP2 =1.
************************************************************
Group 10.Inter-Phase Transfer Processes
************************************************************
Group 11.Initial field variables (PHIs)
FIINIT(P1)=1.0E-10 ;FIINIT(U1)=1.0E-10
FIINIT(V1)=1.0E-10 ;FIINIT(W1)=1.0E-10
FIINIT(BLOK)=1. ;FIINIT(PRPS)=2.
FIINIT(DEN1)=1.0E-10 ;FIINIT(TEM1)=20.
FIINIT(LTLS)=1.0E-10 ;FIINIT(WDIS)=0.06
PATCH(CHP1 ,INIVAL, 6, 7, 9, 10, 4, 7, 1, 1)
INIT(CHP1 ,BLOK,0. ,2. )
INIT(CHP1 ,PRPS,0. ,100. )
PATCH(CHP2 ,INIVAL, 6, 7, 9, 10, 10, 12, 1, 1)
INIT(CHP2 ,BLOK,0. ,3. )
INIT(CHP2 ,PRPS,0. ,100. )
PATCH(CHP3 ,INIVAL, 6, 7, 13, 14, 4, 7, 1, 1)
INIT(CHP3 ,BLOK,0. ,4. )
INIT(CHP3 ,PRPS,0. ,100. )
PATCH(CHP4 ,INIVAL, 6, 7, 13, 14, 10, 12, 1, 1)
INIT(CHP4 ,BLOK,0. ,5. )
INIT(CHP4 ,PRPS,0. ,100. )
PATCH(CHP5 ,INIVAL, 6, 7, 17, 18, 4, 7, 1, 1)
INIT(CHP5 ,BLOK,0. ,6. )
INIT(CHP5 ,PRPS,0. ,100. )
PATCH(CHP6 ,INIVAL, 6, 7, 17, 18, 10, 12, 1, 1)
INIT(CHP6 ,BLOK,0. ,7. )
INIT(CHP6 ,PRPS,0. ,100. )
PATCH(DCHP1 ,INIVAL, 13, 14, 9, 10, 4, 7, 1, 1)
INIT(DCHP1 ,BLOK,0. ,8. )
INIT(DCHP1 ,PRPS,0. ,100. )
PATCH(DCHP2 ,INIVAL, 13, 14, 9, 10, 10, 12, 1, 1)
INIT(DCHP2 ,BLOK,0. ,9. )
INIT(DCHP2 ,PRPS,0. ,100. )
PATCH(DCHP3 ,INIVAL, 13, 14, 13, 14, 4, 7, 1, 1)
INIT(DCHP3 ,BLOK,0. ,10. )
INIT(DCHP3 ,PRPS,0. ,100. )
PATCH(DCHP4 ,INIVAL, 13, 14, 13, 14, 10, 12, 1, 1)
INIT(DCHP4 ,BLOK,0. ,11. )
INIT(DCHP4 ,PRPS,0. ,100. )
PATCH(DCHP5 ,INIVAL, 13, 14, 17, 18, 4, 7, 1, 1)
INIT(DCHP5 ,BLOK,0. ,12. )
INIT(DCHP5 ,PRPS,0. ,100. )
PATCH(DCHP6 ,INIVAL, 13, 14, 17, 18, 10, 12, 1, 1)
INIT(DCHP6 ,BLOK,0. ,13. )
INIT(DCHP6 ,PRPS,0. ,100. )
PATCH(BRD1 ,INIVAL, 8, 8, 7, 19, 3, 13, 1, 1)
INIT(BRD1 ,BLOK,0. ,14. )
INIT(BRD1 ,PRPS,0. ,104. )
PATCH(DBRD1 ,INIVAL, 15, 15, 7, 19, 3, 13, 1, 1)
INIT(DBRD1 ,BLOK,0. ,15. )
INIT(DBRD1 ,PRPS,0. ,104. )
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(FAN ,LOW , 4, 17, 3, 6, 1, 1, 1, 1)
COVAL(FAN ,P1 , FIXFLU ,5.945 )
COVAL(FAN ,U1 ,0. ,0. )
COVAL(FAN ,V1 ,0. ,0. )
COVAL(FAN ,W1 ,0. ,5. )
COVAL(FAN ,TEM1,0. ,25. )
PATCH(EXIT ,HIGH , 4, 17, 20, 23, 15, 15, 1, 1)
COVAL(EXIT ,P1 ,1. ,0. )
COVAL(EXIT ,TEM1,0. ,25. )
PATCH(HOTCHP1 ,VOLUME, 6, 7, 9, 10, 4, 7, 1, 1)
COVAL(HOTCHP1 ,TEM1, FIXFLU ,5000. )
PATCH(HOTCHP2 ,VOLUME, 6, 7, 9, 10, 10, 12, 1, 1)
COVAL(HOTCHP2 ,TEM1, FIXFLU ,5000. )
PATCH(HOTCHP3 ,VOLUME, 6, 7, 13, 14, 4, 7, 1, 1)
COVAL(HOTCHP3 ,TEM1, FIXFLU ,5000. )
PATCH(HOTCHP4 ,VOLUME, 6, 7, 13, 14, 10, 12, 1, 1)
COVAL(HOTCHP4 ,TEM1, FIXFLU ,5000. )
PATCH(HOTCHP5 ,VOLUME, 6, 7, 17, 18, 4, 7, 1, 1)
COVAL(HOTCHP5 ,TEM1, FIXFLU ,5000. )
PATCH(HOTCHP6 ,VOLUME, 6, 7, 17, 18, 10, 12, 1, 1)
COVAL(HOTCHP6 ,TEM1, FIXFLU ,5000. )
PATCH(HOTDCHP1,VOLUME, 13, 14, 9, 10, 4, 7, 1, 1)
COVAL(HOTDCHP1,TEM1, FIXFLU ,5000. )
PATCH(HOTDCHP2,VOLUME, 13, 14, 9, 10, 10, 12, 1, 1)
COVAL(HOTDCHP2,TEM1, FIXFLU ,5000. )
PATCH(HOTDCHP3,VOLUME, 13, 14, 13, 14, 4, 7, 1, 1)
COVAL(HOTDCHP3,TEM1, FIXFLU ,5000. )
PATCH(HOTDCHP4,VOLUME, 13, 14, 13, 14, 10, 12, 1, 1)
COVAL(HOTDCHP4,TEM1, FIXFLU ,5000. )
PATCH(HOTDCHP5,VOLUME, 13, 14, 17, 18, 4, 7, 1, 1)
COVAL(HOTDCHP5,TEM1, FIXFLU ,5000. )
PATCH(HOTDCHP6,VOLUME, 13, 14, 17, 18, 10, 12, 1, 1)
COVAL(HOTDCHP6,TEM1, FIXFLU ,5000. )
PATCH(BUOYANCY,PHASEM, 1, 20, 1, 25, 1, 15, 1, 1)
COVAL(BUOYANCY,V1 , FIXFLU , GRND2 )
XCYCLE = F
EGWF = T
WALLCO = GRND2
BUOYA =0. ; BUOYB =-9.81 ; BUOYC =0.
BUOYD =1.189
************************************************************
Group 14. Downstream Pressure For PARAB
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 50 ;ISWC1 = 1
LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =1.0E-02
************************************************************
Group 16. Terminate Iterations
LITER(P1)=20 ;LITER(U1)=10
LITER(V1)=10 ;LITER(W1)=10
LITER(TEM1)=15 ;LITER(LTLS)=20
ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03
ENDIT(V1)=1.0E-03 ;ENDIT(W1)=1.0E-03
ENDIT(TEM1)=1.0E-03 ;ENDIT(LTLS)=1.0E-03
************************************************************
Group 17. Relaxation
RELAX(P1,LINRLX,1.)
RELAX(U1,FALSDT,0.24)
RELAX(V1,FALSDT,0.24)
RELAX(W1,FALSDT,0.24)
RELAX(BLOK,LINRLX,1.)
RELAX(PRPS,LINRLX,1.)
RELAX(DEN1,LINRLX,1.)
RELAX(TEM1,FALSDT,2400.)
RELAX(LTLS,LINRLX,1.)
RELAX(WDIS,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(W1)=1.0E+06 ;VARMIN(W1)=-1.0E+06
VARMAX(BLOK)=1.0E+10 ;VARMIN(BLOK)=-1.0E+10
VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10
VARMAX(DEN1)=1.0E+10 ;VARMIN(DEN1)=-1.0E+10
VARMAX(TEM1)=1.0E+10 ;VARMIN(TEM1)=-1.0E+10
VARMAX(LTLS)=1.0E+10 ;VARMIN(LTLS)=-1.0E+10
VARMAX(WDIS)=1.0E+10 ;VARMIN(WDIS)=-1.0E+10
************************************************************
Group 19. Data transmitted to GROUND
NAMGRD =HTBX
GENK = T
PARSOL = F
ISKINA = 5 ;ISKINB = 4
ISG62 = 1
SPEDAT(SET,GXMONI,PLOTALL,L,T)
SPEDAT(SET,MATERIAL,2,L,T)
SPEDAT(SET,MATERIAL,100,L,T)
SPEDAT(SET,MATERIAL,104,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(U1,Y,N,Y,Y,Y,Y)
OUTPUT(V1,Y,N,Y,Y,Y,Y)
OUTPUT(W1,Y,N,Y,Y,Y,Y)
OUTPUT(BLOK,N,N,N,N,N,N)
OUTPUT(PRPS,N,N,N,N,N,N)
OUTPUT(DEN1,Y,N,Y,N,N,N)
OUTPUT(TEM1,Y,N,Y,Y,Y,Y)
OUTPUT(LTLS,Y,N,Y,Y,Y,Y)
OUTPUT(WDIS,Y,N,N,N,N,N)
************************************************************
Group 22. Monitor Print-Out
IXMON = 10 ;IYMON = 20 ;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 = 4 ;IXPRF = 1 ;IXPRL = 10000
NYPRIN = 5 ;IYPRF = 1 ;IYPRL = 10000
NZPRIN = 3 ;IZPRF = 1 ;IZPRL = 10000
XZPR = F ;YZPR = F
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