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

  up 1 0 0;vi 0.5 1 0.75
  gr ou x 1;gr ou y 1;gr ou z 1
  gr ou x m;gr ou y m;gr ou z m
  gr ou x 1 y 1 2 z 2 2 col 2
  gr ou x 6 y 1 2 z 7 7 col 2
  gr ou z 4 x 1 4 y 1 3 col 6
  gr ou z 6 x 2 5 y 1 3 col 6
  ve y 2 sh

  msg                3D SHELL-AND-TUBE HEAT EXCHANGER
  msg                --------------------------------
  msg                    Velocity 1 phase:
  msg  Press Enter to continue
  pause;vi 0 1 0
  msg                3D SHELL-AND-TUBE HEAT EXCHANGER
  msg                --------------------------------
  msg              Temperature distribution 1 phase:
  con 1sth y 2 sh;in 50
  msg  Press Enter to continue
  pause
  con off;red
  msg                3D SHELL-AND-TUBE HEAT EXCHANGER
  msg                --------------------------------
  msg              Temperature distribution 2 phase:
  con 2ndh y 2 sh;in 50
  msg Press e to END
  ENDUSE
  DISPLAY
     The heat exchanger considered has two baffles within
     the shell and the tubes arranged in five passes.
     The overall heat transfer coefficient depends on the
     local velocity and is introduced by PLANT.
              =====================
  ENDDIS
  PLANTBEGIN
    Heat-exchange with tube fluid, throughout the exchanger.
PATCH(HEX,VOLUME,1,NX,1,NY,1,NZ,1,1000)
    CO=2.*(U1**2+V1**2+W1**2)**0.25
    VAL=2NDH
COVAL(HEX,1STH,GRND,GRND)
    Heat-exchange with shell fluid, throughout the exchanger.
    CO=2.*(U1**2+W1**2+V1**2)**0.25
    VAL=1STH
COVAL(HEX,2NDH,GRND,GRND)
  PLANTEND
 ************************************************************
  Group 1. Run Title and Number
 ************************************************************
 ************************************************************
 
 TEXT(3D SHELL-AND-TUBE HEAT EXCHANGER:110    )
 
 ************************************************************
 ************************************************************
 
 IRUNN = 1 ;LIBREF = 110
 ************************************************************
  Group 2. Time dependence
 STEADY = T
 ************************************************************
  Group 3. X-Direction Grid Spacing
 CARTES = T
 NX = 5
 XULAST =1.
 XFRAC(1)=0.2 ;XFRAC(2)=0.4
 XFRAC(3)=0.6 ;XFRAC(4)=0.8
 XFRAC(5)=1.
 ************************************************************
  Group 4. Y-Direction Grid Spacing
 NY = 3
 YVLAST =0.5
 YFRAC(1)=0.333333 ;YFRAC(2)=0.666667
 YFRAC(3)=1.
 ************************************************************
  Group 5. Z-Direction Grid Spacing
 PARAB = F
 NZ = 8
 ZWLAST =4.
 ZFRAC(1)=0.125 ;ZFRAC(2)=0.25
 ZFRAC(3)=0.375 ;ZFRAC(4)=0.5
 ZFRAC(5)=0.625 ;ZFRAC(6)=0.75
 ZFRAC(7)=0.875 ;ZFRAC(8)=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(14)=SHLT ;NAME(15)=TUBT
 NAME(147)=VLSQ ;NAME(148)=HPOR
 NAME(149)=NPOR ;NAME(150)=EPOR
    * 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,N,N,N,Y)
 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(SHLT,Y,Y,N,N,N,Y)
 SOLUTN(TUBT,Y,Y,N,N,N,Y)
 SOLUTN(VLSQ,Y,N,N,N,N,Y)
 SOLUTN(HPOR,Y,N,N,N,N,Y)
 SOLUTN(NPOR,Y,N,N,N,N,Y)
 SOLUTN(EPOR,Y,N,N,N,N,Y)
 EPOR = 150 ;HPOR = 148 ;NPOR = 149 ;VPOR = 0
 ************************************************************
  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,N,Y,Y,Y)
 TERMS(V1,Y,Y,N,Y,Y,Y)
 TERMS(W1,Y,Y,N,Y,Y,Y)
 TERMS(SHLT,N,Y,N,Y,Y,Y)
 TERMS(TUBT,N,N,N,Y,N,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 =0. ;EL1 =0.
 TSURR =0. ;TEMP0 =0. ;PRESS0 =0.
 DVO1DT =0. ;DRH1DP =0.
 EMISS =0. ;SCATT =0.
 RADIA =0. ;RADIB =0.
 ENUL =1.0E-05 ;ENUT =0.
 CP1 =1. ;CP2 =1.
 ************************************************************
  Group 10.Inter-Phase Transfer Processes
 ************************************************************
  Group 11.Initial field variables (PHIs)
 FIINIT(P1)=1.0E-10 ;FIINIT(U1)=0.
 FIINIT(V1)=0. ;FIINIT(W1)=0.1
 FIINIT(SHLT)=1. ;FIINIT(TUBT)=0.
 FIINIT(VLSQ)=1.0E-10 ;FIINIT(HPOR)=0.5
 FIINIT(NPOR)=0.5 ;FIINIT(EPOR)=0.5
   No PATCHes yet used for this Group
 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(SHELLIN ,CELL , 1, 1, 2, 3, 2, 2, 1, 1000)
 COVAL(SHELLIN ,P1 , FIXFLU ,0.05 )
 COVAL(SHELLIN ,SHLT,0. ,1. )
 
 PATCH(SHELLOUT,EAST , 5, 5, 2, 3, 7, 7, 1, 1000)
 COVAL(SHELLOUT,P1 ,1. ,0. )
 
 PATCH(TUBEIN ,CELL , 1, 1, 1, 3, 8, 8, 1, 1000)
 COVAL(TUBEIN ,TUBT,0.033333 ,0. )
 
 PATCH(BAFFLE1 ,HIGH , 1, 4, 1, 3, 3, 3, 1, 1000)
 COVAL(BAFFLE1 ,W1 , FIXVAL ,0. )
 
 PATCH(BAFFLE2 ,HIGH , 2, 5, 1, 3, 5, 5, 1, 1000)
 COVAL(BAFFLE2 ,W1 , FIXVAL ,0. )
 
 PATCH(RESIST ,PHASEM, 1, 5, 1, 3, 1, 8, 1, 1000)
 COVAL(RESIST ,U1 ,100. ,0. )
 COVAL(RESIST ,V1 ,100. ,0. )
 COVAL(RESIST ,W1 ,50. ,0. )
 
 PATCH(INEH1 ,CELL , 1, 1, 1, 3, 1, 7, 1, 1000)
 COVAL(INEH1 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEW1 ,CELL , 2, 2, 1, 3, 1, 1, 1, 1000)
 COVAL(INEW1 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEL1 ,CELL , 2, 2, 1, 3, 2, 8, 1, 1000)
 COVAL(INEL1 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEW2 ,CELL , 3, 3, 1, 3, 8, 8, 1, 1000)
 COVAL(INEW2 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEH2 ,CELL , 3, 3, 1, 3, 1, 7, 1, 1000)
 COVAL(INEH2 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEW3 ,CELL , 4, 4, 1, 3, 1, 1, 1, 1000)
 COVAL(INEW3 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEL2 ,CELL , 4, 4, 1, 3, 2, 8, 1, 1000)
 COVAL(INEL2 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEW4 ,CELL , 5, 5, 1, 3, 8, 8, 1, 1000)
 COVAL(INEW4 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(INEH3 ,CELL , 5, 5, 1, 3, 1, 7, 1, 1000)
 COVAL(INEH3 ,TUBT,In-Form:source - see Grp 19)
 
 PATCH(IHEX ,VOLUME, 1, 5, 1, 3, 1, 8, 1, 1000)
 COVAL(IHEX ,SHLT,In-Form:source - see Grp 19)
 COVAL(IHEX ,TUBT,In-Form:source - see Grp 19)
 XCYCLE = F
 EGWF = T
 WALLCO = GRND2
 ************************************************************
  Group 14. Downstream Pressure For PARAB
 ************************************************************
  Group 15. Terminate Sweeps
 LSWEEP = 200 ;ISWC1 = 1
 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
 SELREF = T
 RESFAC =1.0E-05
 ************************************************************
  Group 16. Terminate Iterations
 LITER(P1)=100 ;LITER(U1)=10
 LITER(V1)=10 ;LITER(W1)=10
 LITER(SHLT)=20 ;LITER(TUBT)=20
 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03
 ENDIT(V1)=1.0E-03 ;ENDIT(W1)=1.0E-03
 ENDIT(SHLT)=1.0E-03 ;ENDIT(TUBT)=1.0E-03
 ************************************************************
  Group 17. Relaxation
 RELAX(P1,LINRLX,1.)
 RELAX(U1,FALSDT,1.)
 RELAX(V1,FALSDT,1.)
 RELAX(W1,FALSDT,1.)
 RELAX(SHLT,FALSDT,100.)
 RELAX(TUBT,FALSDT,100.)
 RELAX(VLSQ,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(SHLT)=1.0E+10 ;VARMIN(SHLT)=-1.0E+10
 VARMAX(TUBT)=1.0E+10 ;VARMIN(TUBT)=-1.0E+10
 VARMAX(VLSQ)=1.0E+10 ;VARMIN(VLSQ)=-1.0E+10
 VARMAX(HPOR)=1.0E+10 ;VARMIN(HPOR)=-1.0E+10
 VARMAX(NPOR)=1.0E+10 ;VARMIN(NPOR)=-1.0E+10
 VARMAX(EPOR)=1.0E+10 ;VARMIN(EPOR)=-1.0E+10
 ************************************************************
  Group 19. Data transmitted to GROUND
 PARSOL = F
 CONWIZ = T
 ISG50 = 1
 ISG52 = 2
 ISG62 = 1
 SPEDAT(SET,SOURCE,TUBT!INEH1,C,=0.033333*(TUBT[&&+1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEW1,C,=0.033333*(TUBT[-1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEL1,C,=0.033333*(TUBT[&&-1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEW2,C,=0.033333*(TUBT[-1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEH2,C,=0.033333*(TUBT[&&+1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEW3,C,=0.033333*(TUBT[-1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEL2,C,=0.033333*(TUBT[&&-1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEW4,C,=0.033333*(TUBT[-1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!INEH3,C,=0.033333*(TUBT[&&+1]-TUBT)!LINE)
 SPEDAT(SET,SOURCE,SHLT!IHEX,C,=0.08*VLSQ^0.25*(TUBT-SHLT)!LINE)
 SPEDAT(SET,SOURCE,TUBT!IHEX,C,=0.08*VLSQ^0.25*(SHLT-TUBT)!LINE)
 SPEDAT(SET,GXMONI,PLOTALL,L,T)
 RG( 1) =0.08
 ************************************************************
  Group 20. Preliminary Printout
 DISTIL = T ;NULLPR = F
 NDST = 0
 DSTTOL =1.0E-02
 EX(P1)=119.099998 ;EX(U1)=0.3
 EX(V1)=0.02262 ;EX(W1)=0.3339
 EX(SHLT)=0.7014 ;EX(TUBT)=0.2785
 EX(VLSQ)=0.4007 ;EX(HPOR)=0.5
 EX(NPOR)=0.5 ;EX(EPOR)=0.5
 ************************************************************
  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(SHLT,Y,N,Y,Y,Y,Y)
 OUTPUT(TUBT,Y,N,Y,Y,Y,Y)
 OUTPUT(VLSQ,Y,N,Y,N,N,N)
 OUTPUT(HPOR,N,N,N,N,N,N)
 OUTPUT(NPOR,N,N,N,N,N,N)
 OUTPUT(EPOR,N,N,N,N,N,N)
 ************************************************************
  Group 22. Monitor Print-Out
 IXMON = 6 ;IYMON = 6 ;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
 NZPRIN = -1 ;IZPRF = 1 ;IZPRL = 10000
 XZPR = T ;YZPR = F
 IPLTF = 1 ;IPLTL = 100 ;NPLT = 1
 ISWPRF = 1 ;ISWPRL = 100000
 ITABL = 2 ;IPROF = 1
 ABSIZ =0.5 ;ORSIZ =0.4
 NTZPRF = 1 ;NCOLPF = 50
 ICHR = 2 ;NCOLCO = 45 ;NROWCO = 20
 
 PATCH(PASS1 ,PROFIL, 1, 1, 2, 2, 1, 8, 1, 1000)
 PLOT(PASS1 ,SHLT,0. ,1. )
 PLOT(PASS1 ,TUBT,0. ,1. )
 
 PATCH(PASS2 ,PROFIL, 2, 2, 2, 2, 1, 8, 1, 1000)
 PLOT(PASS2 ,SHLT,0. ,1. )
 PLOT(PASS2 ,TUBT,0. ,1. )
 
 PATCH(PASS3 ,PROFIL, 3, 3, 2, 2, 1, 8, 1, 1000)
 PLOT(PASS3 ,SHLT,0. ,1. )
 PLOT(PASS3 ,TUBT,0. ,1. )
 
 PATCH(PASS4 ,PROFIL, 4, 4, 2, 2, 1, 8, 1, 1000)
 PLOT(PASS4 ,SHLT,0. ,1. )
 PLOT(PASS4 ,TUBT,0. ,1. )
 ************************************************************
  Group 24. Dumps For Restarts
 SAVE = T ;NOWIPE = F
 NSAVE =CHAM
STOP