TALK=T;RUN(1,1)
  PHOTON USE
  p



  up y
  VIEW 1 1 1
  red
  msg pressure contours at ground level
  con p1 y 1 fi;0.1
  set prop off
  set por off
  msg the buildings
  surf prps y 198 col 4
  surf prps x 198 col 5
  surf prps z 198 col 6
  gr ou x 1
  gr ou y 1
  gr z 1
  msg a smoke plume
  surf smok y 0.005 col 7
  surf smok x 0.005 col 8
  surf smok z 0.005 col 9
  msg press return to view from the top
  pause
  con off;gr off
  view y
  msg press return to view from the side
  pause
  con off
  view x
  msg press return to view from the end
  pause
  con off
  view z
  enduse
  DISPLAY

   The flow is steady. Smoke from a chimney is tracked.

   A PHOTON USE file is supplied.

  ENDDIS
 ************************************************************
  Group 1. Run Title and Number
 ************************************************************
 ************************************************************
 
 TEXT(Flow Around A Group Of Buildings        )
 
 ************************************************************
 ************************************************************
 
 IRUNN = 1 ;LIBREF = 14
 ************************************************************
  Group 2. Time dependence
 STEADY = T
 ************************************************************
  Group 3. X-Direction Grid Spacing
 CARTES = T
 NX = 15
 XULAST =15.
 XFRAC(1)=0.066667 ;XFRAC(2)=0.133333
 XFRAC(3)=0.2 ;XFRAC(4)=0.266667
 XFRAC(5)=0.333333 ;XFRAC(6)=0.4
 XFRAC(7)=0.466667 ;XFRAC(8)=0.533333
 XFRAC(9)=0.6 ;XFRAC(10)=0.666667
 XFRAC(11)=0.733333 ;XFRAC(12)=0.8
 XFRAC(13)=0.866667 ;XFRAC(14)=0.933333
 XFRAC(15)=1.
 ************************************************************
  Group 4. Y-Direction Grid Spacing
 NY = 10
 YVLAST =10.
 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.
 ************************************************************
  Group 5. Z-Direction Grid Spacing
 PARAB = F
 NZ = 48
 ZWLAST =48.
 ZFRAC(1)=0.020833 ;ZFRAC(2)=0.041667
 ZFRAC(3)=0.0625 ;ZFRAC(4)=0.083333
 ZFRAC(5)=0.104167 ;ZFRAC(6)=0.125
 ZFRAC(7)=0.145833 ;ZFRAC(8)=0.166667
 ZFRAC(9)=0.1875 ;ZFRAC(10)=0.208333
 ZFRAC(11)=0.229167 ;ZFRAC(12)=0.25
 ZFRAC(13)=0.270833 ;ZFRAC(14)=0.291667
 ZFRAC(15)=0.3125 ;ZFRAC(16)=0.333333
 ZFRAC(17)=0.354167 ;ZFRAC(18)=0.375
 ZFRAC(19)=0.395833 ;ZFRAC(20)=0.416667
 ZFRAC(21)=0.4375 ;ZFRAC(22)=0.458333
 ZFRAC(23)=0.479167 ;ZFRAC(24)=0.5
 ZFRAC(25)=0.520833 ;ZFRAC(26)=0.541667
 ZFRAC(27)=0.5625 ;ZFRAC(28)=0.583333
 ZFRAC(29)=0.604167 ;ZFRAC(30)=0.625
 ZFRAC(31)=0.645833 ;ZFRAC(32)=0.666667
 ZFRAC(33)=0.6875 ;ZFRAC(34)=0.708333
 ZFRAC(35)=0.729167 ;ZFRAC(36)=0.75
 ZFRAC(37)=0.770833 ;ZFRAC(38)=0.791667
 ZFRAC(39)=0.8125 ;ZFRAC(40)=0.833333
 ZFRAC(41)=0.854167 ;ZFRAC(42)=0.875
 ZFRAC(43)=0.895833 ;ZFRAC(44)=0.916667
 ZFRAC(45)=0.9375 ;ZFRAC(46)=0.958333
 ZFRAC(47)=0.979167 ;ZFRAC(48)=1.
 ************************************************************
  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(148)=PRPS ;NAME(150)=SMOK
    * 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(PRPS,Y,N,N,N,N,N)
 SOLUTN(SMOK,Y,Y,Y,N,N,N)
 PRPS = 148
 ************************************************************
  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(SMOK,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 =1.0E+05
 DVO1DT =0. ;DRH1DP =0.
 EMISS =0. ;SCATT =0.
 RADIA =0. ;RADIB =0.
 ENUL =1.0E-05 ;ENUT =0.
 PRNDTL(U1)=1. ;PRNDTL(V1)=1.
 PRNDTL(W1)=1. ;PRNDTL(SMOK)=1.
 PRT(U1)=1. ;PRT(V1)=1.
 PRT(W1)=1. ;PRT(SMOK)=1.
 CP1 =1. ;CP2 =1.
 ************************************************************
  Group 10.Inter-Phase Transfer Processes
 ************************************************************
  Group 11.Initial field variables (PHIs)
 FIINIT(P1)=1.0E-10 ;FIINIT(U1)=5.
 FIINIT(V1)=0. ;FIINIT(W1)=5.
 FIINIT(PRPS)=-1. ;FIINIT(SMOK)=0.
 
 PATCH(S1B1 ,INIVAL, 4, 6, 1, 4, 5, 6, 1, 1)
 INIT(S1B1 ,PRPS,0. ,199. )
 
 PATCH(S1B2 ,INIVAL, 3, 4, 1, 5, 7, 8, 1, 1)
 INIT(S1B2 ,PRPS,0. ,199. )
 
 PATCH(S1B3 ,INIVAL, 9, 11, 1, 4, 5, 6, 1, 1)
 INIT(S1B3 ,PRPS,0. ,199. )
 
 PATCH(S1B4 ,INIVAL, 11, 13, 1, 5, 7, 8, 1, 1)
 INIT(S1B4 ,PRPS,0. ,199. )
 
 PATCH(S2B1 ,INIVAL, 7, 8, 1, 8, 13, 16, 1, 1)
 INIT(S2B1 ,PRPS,0. ,199. )
 
 PATCH(S2B2 ,INIVAL, 5, 10, 1, 4, 17, 18, 1, 1)
 INIT(S2B2 ,PRPS,0. ,199. )
 
 PATCH(S3B1 ,INIVAL, 3, 4, 1, 3, 21, 24, 1, 1)
 INIT(S3B1 ,PRPS,0. ,199. )
 
 PATCH(S3B2 ,INIVAL, 11, 13, 1, 3, 21, 24, 1, 1)
 INIT(S3B2 ,PRPS,0. ,199. )
 
 PATCH(S34B1 ,INIVAL, 3, 3, 1, 3, 25, 32, 1, 1)
 INIT(S34B1 ,PRPS,0. ,199. )
 
 PATCH(S34B2 ,INIVAL, 12, 13, 1, 3, 25, 32, 1, 1)
 INIT(S34B2 ,PRPS,0. ,199. )
 
 PATCH(S34B3 ,INIVAL, 7, 8, 1, 8, 29, 30, 1, 1)
 INIT(S34B3 ,PRPS,0. ,199. )
 
 PATCH(S4B1 ,INIVAL, 3, 4, 1, 3, 33, 36, 1, 1)
 INIT(S4B1 ,PRPS,0. ,199. )
 
 PATCH(S4B2 ,INIVAL, 11, 13, 1, 3, 33, 36, 1, 1)
 INIT(S4B2 ,PRPS,0. ,199. )
 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(GROUND ,SOUTH , 1, 15, 1, 1, 1, 48, 1, 1)
 
 PATCH(SKY ,NORTH , 1, 15, 10, 10, 1, 48, 1, 1)
 COVAL(SKY ,P1 ,1. ,0. )
 
 PATCH(LOWIN1 ,LOW , 1, 15, 1, 10, 1, 1, 1, 1)
 COVAL(LOWIN1 ,P1 , FIXFLU ,7.07 )
 COVAL(LOWIN1 ,U1 ,0. ,5. )
 COVAL(LOWIN1 ,V1 ,0. ,0. )
 COVAL(LOWIN1 ,W1 ,0. ,5. )
 COVAL(LOWIN1 ,SMOK,0. ,0. )
 
 PATCH(WESTIN2 ,WEST , 1, 1, 1, 10, 1, 48, 1, 1)
 COVAL(WESTIN2 ,P1 , FIXFLU ,7.07 )
 COVAL(WESTIN2 ,U1 ,0. ,5. )
 COVAL(WESTIN2 ,V1 ,0. ,0. )
 COVAL(WESTIN2 ,W1 ,0. ,5. )
 COVAL(WESTIN2 ,SMOK,0. ,0. )
 
 PATCH(HIGHOT1 ,HIGH , 1, 15, 1, 10, 48, 48, 1, 1)
 COVAL(HIGHOT1 ,P1 ,1. ,0. )
 
 PATCH(EASTOT2 ,EAST , 15, 15, 1, 10, 1, 48, 1, 1)
 COVAL(EASTOT2 ,P1 ,1. ,0. )
 
 PATCH(CHIMNEY ,CELL , 1, 1, 5, 5, 1, 1, 1, 1)
 COVAL(CHIMNEY ,SMOK, FIXVAL ,1. )
 XCYCLE = F
 EGWF = T
 WALLCO = GRND2
 ************************************************************
  Group 14. Downstream Pressure For PARAB
 ************************************************************
  Group 15. Terminate Sweeps
 LSWEEP = 100 ;ISWC1 = 1
 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
 SELREF = T
 RESFAC =1.0E-02
 ************************************************************
  Group 16. Terminate Iterations
 LITER(P1)=100 ;LITER(U1)=10
 LITER(V1)=10 ;LITER(W1)=10
 LITER(SMOK)=20
 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03
 ENDIT(V1)=1.0E-03 ;ENDIT(W1)=1.0E-03
 ENDIT(SMOK)=1.0E-03
 ************************************************************
  Group 17. Relaxation
 RELAX(P1,LINRLX,1.)
 RELAX(U1,FALSDT,1.)
 RELAX(V1,FALSDT,1.)
 RELAX(W1,FALSDT,1.)
 RELAX(PRPS,LINRLX,1.)
 RELAX(SMOK,FALSDT,1.0E+09)
 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(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10
 VARMAX(SMOK)=1.0E+10 ;VARMIN(SMOK)=-1.0E+10
 ************************************************************
  Group 19. Data transmitted to GROUND
 PARSOL = F
 ISG62 = 1
 CSG3    ='CNGR'
 SPEDAT(SET,MATERIAL,199,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(PRPS,Y,N,Y,N,N,N)
 OUTPUT(SMOK,Y,N,Y,Y,Y,Y)
 ************************************************************
  Group 22. Monitor Print-Out
 IXMON = 8 ;IYMON = 6 ;IZMON = 10
 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
 NZPRIN = 1 ;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