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

  msg         Potential flow over a double-wedge airfoil
  msg
  set ref vec 10
  msg   velocity vectors:
  gr ou x 1;vec x 1 sh
  msg
  msg Press  to continue
  pause
  vec off;red
  msg        Axial velocity contours:
  con w1 x 1 fi;.01
  msg
  msg Press  to continue
  pause
  con off;red
  msg        Contours of velocity potential:
  con pot x 1 fi;.01
  msg
  msg Press e to END
  enduse
  DISPLAY
     An inviscid fluid flows steadily past a double-wedge
  airfoil. The problem is solved in the same manner as in case
  115. The velocity components are computed by activation
  (through POTVEL) of a sequence in GREX3.
     The geometry of the problem is sketched below.

                       frictionless wall
     ____________________________________________________

                           ----------->
     ---->                                        ---->

                               _-_
     ---->                  __|***|__             ---->
   ^                     __|*********|__
  y|                  __|***************|__
   | ________________|*********************|______________
                       frictionless wall
                             z---->
  ENDDIS
 ************************************************************
  Group 1. Run Title and Number
 ************************************************************
 ************************************************************
 
 TEXT(Comp Flow Over Double-Wedge Airfoil     )
 
 ************************************************************
 ************************************************************
 
 IRUNN = 1 ;LIBREF = 116
 ************************************************************
  Group 2. Time dependence
 STEADY = T
 ************************************************************
  Group 3. X-Direction Grid Spacing
 CARTES = T
 NX = 1
 XULAST =1.
 XFRAC(1)=1.
 ************************************************************
  Group 4. Y-Direction Grid Spacing
 NY = 20
 YVLAST =1.
 YFRAC(1)=0.05 ;YFRAC(2)=0.1
 YFRAC(3)=0.15 ;YFRAC(4)=0.2
 YFRAC(5)=0.25 ;YFRAC(6)=0.3
 YFRAC(7)=0.35 ;YFRAC(8)=0.4
 YFRAC(9)=0.45 ;YFRAC(10)=0.5
 YFRAC(11)=0.55 ;YFRAC(12)=0.6
 YFRAC(13)=0.65 ;YFRAC(14)=0.7
 YFRAC(15)=0.75 ;YFRAC(16)=0.8
 YFRAC(17)=0.85 ;YFRAC(18)=0.9
 YFRAC(19)=0.95 ;YFRAC(20)=1.
 ************************************************************
  Group 5. Z-Direction Grid Spacing
 PARAB = F
 NZ = 40
 ZWLAST =8.
 ZFRAC(1)=0.025 ;ZFRAC(2)=0.05
 ZFRAC(3)=0.075 ;ZFRAC(4)=0.1
 ZFRAC(5)=0.125 ;ZFRAC(6)=0.15
 ZFRAC(7)=0.175 ;ZFRAC(8)=0.2
 ZFRAC(9)=0.225 ;ZFRAC(10)=0.25
 ZFRAC(11)=0.275 ;ZFRAC(12)=0.3
 ZFRAC(13)=0.325 ;ZFRAC(14)=0.35
 ZFRAC(15)=0.375 ;ZFRAC(16)=0.4
 ZFRAC(17)=0.425 ;ZFRAC(18)=0.45
 ZFRAC(19)=0.475 ;ZFRAC(20)=0.5
 ZFRAC(21)=0.525 ;ZFRAC(22)=0.55
 ZFRAC(23)=0.575 ;ZFRAC(24)=0.6
 ZFRAC(25)=0.625 ;ZFRAC(26)=0.65
 ZFRAC(27)=0.675 ;ZFRAC(28)=0.7
 ZFRAC(29)=0.725 ;ZFRAC(30)=0.75
 ZFRAC(31)=0.775 ;ZFRAC(32)=0.8
 ZFRAC(33)=0.825 ;ZFRAC(34)=0.85
 ZFRAC(35)=0.875 ;ZFRAC(36)=0.9
 ZFRAC(37)=0.925 ;ZFRAC(38)=0.95
 ZFRAC(39)=0.975 ;ZFRAC(40)=1.
 ************************************************************
  Group 6. Body-Fitted Coordinates
 ************************************************************
  Group 7. Variables: STOREd,SOLVEd,NAMEd
 ONEPHS = T
 NAME(5)=V1 ;NAME(7)=W1
 NAME(146)=PRPS ;NAME(147)=NPOR
 NAME(149)=HPOR ;NAME(150)=POT
    * Y in SOLUTN argument list denotes:
    * 1-stored 2-solved 3-whole-field
    * 4-point-by-point 5-explicit 6-harmonic averaging 
 SOLUTN(V1,Y,N,N,N,N,Y)
 SOLUTN(W1,Y,N,N,N,N,Y)
 SOLUTN(PRPS,Y,N,N,N,N,N)
 SOLUTN(NPOR,Y,N,N,N,N,Y)
 SOLUTN(HPOR,Y,N,N,N,N,Y)
 SOLUTN(POT,Y,Y,N,N,N,Y)
 EPOR = 0 ;HPOR = 149 ;NPOR = 147 ;VPOR = 0
 PRPS = 146
 ************************************************************
  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(POT,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 =0.
 DVO1DT =0. ;DRH1DP =0.
 EMISS =0. ;SCATT =0.
 RADIA =0. ;RADIB =0.
 ENUL =1.0E-05 ;ENUT =0.
 PRNDTL(POT)=1.
 PRT(POT)=1.
 CP1 =1. ;CP2 =1.
 ************************************************************
  Group 10.Inter-Phase Transfer Processes
 ************************************************************
  Group 11.Initial field variables (PHIs)
 FIINIT(V1)=1.0E-10 ;FIINIT(W1)=1.0E-10
 FIINIT(PRPS)=-1. ;FIINIT(NPOR)=1.
 FIINIT(HPOR)=1. ;FIINIT(POT)=1.0E-10
 
 PATCH(HPOR1 ,INIVAL, 1, 1, 1, 1, 12, 28, 1, 1)
 INIT(HPOR1 ,PRPS,0. ,199. )
 INIT(HPOR1 ,NPOR,0. ,0. )
 INIT(HPOR1 ,HPOR,0. ,0. )
 
 PATCH(HPOR2 ,INIVAL, 1, 1, 2, 2, 14, 26, 1, 1)
 INIT(HPOR2 ,PRPS,0. ,199. )
 INIT(HPOR2 ,NPOR,0. ,0. )
 INIT(HPOR2 ,HPOR,0. ,0. )
 
 PATCH(HPOR3 ,INIVAL, 1, 1, 3, 3, 16, 24, 1, 1)
 INIT(HPOR3 ,PRPS,0. ,199. )
 INIT(HPOR3 ,NPOR,0. ,0. )
 INIT(HPOR3 ,HPOR,0. ,0. )
 
 PATCH(HPOR4 ,INIVAL, 1, 1, 4, 4, 18, 22, 1, 1)
 INIT(HPOR4 ,PRPS,0. ,199. )
 INIT(HPOR4 ,NPOR,0. ,0. )
 INIT(HPOR4 ,HPOR,0. ,0. )
 
 PATCH(HPOR5 ,INIVAL, 1, 1, 5, 5, 20, 20, 1, 1)
 INIT(HPOR5 ,PRPS,0. ,199. )
 INIT(HPOR5 ,NPOR,0. ,0. )
 INIT(HPOR5 ,HPOR,0. ,0. )
 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(UPSTRM ,LOW , 1, 1, 1, 20, 1, 1, 1, 1)
 COVAL(UPSTRM ,POT , FIXVAL ,4. )
 
 PATCH(DWNSTRM ,HIGH , 1, 1, 1, 20, 40, 40, 1, 1)
 COVAL(DWNSTRM ,POT , FIXVAL ,-4. )
 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-02
 ************************************************************
  Group 16. Terminate Iterations
 LITER(POT)=-100
 ENDIT(POT)=1.0E-03
 ************************************************************
  Group 17. Relaxation
 RELAX(V1,LINRLX,1.)
 RELAX(W1,LINRLX,1.)
 RELAX(PRPS,LINRLX,1.)
 RELAX(POT,FALSDT,1.0E+09)
 OVRRLX =1.4
 EXPERT = F ;NNORSL = F
 ************************************************************
  Group 18. Limits
 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(NPOR)=1.0E+10 ;VARMIN(NPOR)=-1.0E+10
 VARMAX(HPOR)=1.0E+10 ;VARMIN(HPOR)=-1.0E+10
 VARMAX(POT)=1.0E+10 ;VARMIN(POT)=-1.0E+10
 ************************************************************
  Group 19. Data transmitted to GROUND
 POTCMP = T
 POTVEL = T
 PARSOL = F
 ISG62 = 1
 PORIA =0.010417 ;PORIB =2.5
 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(V1,Y,N,N,N,Y,N)
 OUTPUT(W1,Y,N,N,N,Y,N)
 OUTPUT(PRPS,Y,N,Y,N,N,N)
 OUTPUT(NPOR,Y,N,Y,N,N,N)
 OUTPUT(HPOR,Y,N,N,N,Y,N)
 OUTPUT(POT,Y,Y,Y,Y,Y,N)
 ************************************************************
  Group 22. Monitor Print-Out
 IXMON = 1 ;IYMON = 10 ;IZMON = 20
 NPRMON = 100000 ;NPRMNT = 1 ;TSTSWP = -1
 UWATCH = T ;USTEER = T
 HIGHLO = F
 ************************************************************
  Group 23.Field Print-Out & Plot Control
 NPRINT = 100000 ;NUMCLS = 5
 NYPRIN = 1 ;IYPRF = 1 ;IYPRL = 10
 NZPRIN = 1 ;IZPRF = 18 ;IZPRL = 22
 XZPR = F ;YZPR = F
 IPLTF = 2 ;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(CONT ,CONTUR, 1, 1, 1, 20, 1, 40, 1, 1)
 PLOT(CONT ,V1 ,0. ,10. )
 PLOT(CONT ,W1 ,0. ,10. )
 PLOT(CONT ,POT ,0. ,40. )
 ************************************************************
  Group 24. Dumps For Restarts
 SAVE = T ;NOWIPE = F
 NSAVE =CHAM
STOP