TALK=T;RUN(1,1)
PHOTON USE
p
msg Numerical solution contours
con C1 Z 1 fi;0.001
msg Press Enter to continue
PAUSE
CLEAR
con EXAC Z 1 fi;0.001
msg Exact solution contours
msg Press e to END
ENDUSE
DISPLAY
Two dimensional convective-diffusion problem in uniform 45
degree flow field. The family of exact solutions for one- two-
and three-dimensional convection-diffusion cases have been
developed at CHAM MEI, Moscow, Russia to test the low-dispersion
scheme performances.
ENDDIS
PLANTBEGIN
PATCH(CONWES,WEST,1,1,1,NY,1,NZ,1,LSTEP)
VAL=EXP(-RG(1)*YG2D)*SIN(RG(2)*YG2D)
COVAL(CONWES,C1,RHO1*1.41/2.,GRND)
PATCH(DIFWES,WWALL,1,1,1,NY,1,NZ,1,LSTEP)
VAL=EXP(-RG(1)*YG2D)*SIN(RG(2)*YG2D)
COVAL(DIFWES,C1,1.,GRND)
PATCH(CONNOR,WEST,1,NX,NY,NY,1,NZ,1,LSTEP)
VAL=EXP(RG(1)*(XG2D-1.))*SIN(RG(2)*(1.+XG2D))
COVAL(CONNOR,C1,-RHO1*1.41/2.,GRND)
PATCH(DIFNOR,NWALL,1,NX,NY,NY,1,NZ,1,LSTEP)
VAL=EXP(RG(1)*(XG2D-1.))*SIN(RG(2)*(1.+XG2D))
COVAL(DIFNOR,C1,1.,GRND)
PATCH(DIFEAS,EWALL,NX,NX,1,NY,1,NZ,1,LSTEP)
VAL=EXP(RG(1)*(1.-YG2D))*SIN(RG(2)*(1.+YG2D))
COVAL(DIFEAS,C1,1.,GRND)
PATCH(DIFSOU,SWALL,1,NX,1,1,1,NZ,1,LSTEP)
VAL=EXP(RG(1)*XG2D)*SIN(RG(2)*XG2D)
COVAL(DIFSOU,C1,1.,GRND)
STORE(EXAC)
EXAC=EXP(RG(1)*(XG2D-YG2D))*SIN(RG(2)*(XG2D+YG2D))
PLANTEND
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************
TEXT( 2D CONVECTIVE-DIFFUSION PROBLEM:120 )
************************************************************
************************************************************
IRUNN = 1 ;LIBREF = 119
************************************************************
Group 2. Time dependence
STEADY = T
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = T
NX = 10
XULAST =1.
XFRAC(1)=0.1 ;XFRAC(2)=0.2
XFRAC(3)=0.3 ;XFRAC(4)=0.4
XFRAC(5)=0.5 ;XFRAC(6)=0.6
XFRAC(7)=0.7 ;XFRAC(8)=0.8
XFRAC(9)=0.9 ;XFRAC(10)=1.
************************************************************
Group 4. Y-Direction Grid Spacing
NY = 10
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.
************************************************************
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(3)=U1 ;NAME(5)=V1
NAME(16)=C1 ;NAME(150)=EXAC
* Y in SOLUTN argument list denotes:
* 1-stored 2-solved 3-whole-field
* 4-point-by-point 5-explicit 6-harmonic averaging
SOLUTN(U1,Y,N,N,N,N,Y)
SOLUTN(V1,Y,N,N,N,N,Y)
SOLUTN(C1,Y,Y,N,N,N,Y)
SOLUTN(EXAC,Y,N,N,N,N,Y)
************************************************************
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(C1,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. ;ENUT =0.
PRNDTL(C1)=1.
PRT(C1)=1.
CP1 =1. ;CP2 =1.
************************************************************
Group 10.Inter-Phase Transfer Processes
************************************************************
Group 11.Initial field variables (PHIs)
FIINIT(U1)=0.707107 ;FIINIT(V1)=-0.707107
FIINIT(C1)=1.0E-10 ;FIINIT(EXAC)=1.0E-10
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(CONWES ,WEST , 1, 1, 1, 10, 1, 1, 1, 1)
COVAL(CONWES ,C1 ,0.705 , GRND )
PATCH(DIFWES ,WWALL , 1, 1, 1, 10, 1, 1, 1, 1)
COVAL(DIFWES ,C1 ,1. , GRND )
PATCH(CONNOR ,WEST , 1, 10, 10, 10, 1, 1, 1, 1)
COVAL(CONNOR ,C1 ,-0.705 , GRND )
PATCH(DIFNOR ,NWALL , 1, 10, 10, 10, 1, 1, 1, 1)
COVAL(DIFNOR ,C1 ,1. , GRND )
PATCH(DIFEAS ,EWALL , 10, 10, 1, 10, 1, 1, 1, 1)
COVAL(DIFEAS ,C1 ,1. , GRND )
PATCH(DIFSOU ,SWALL , 1, 10, 1, 1, 1, 1, 1, 1)
COVAL(DIFSOU ,C1 ,1. , GRND )
XCYCLE = F
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 8 ;ISWC1 = 1
LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =1.0E-05
************************************************************
Group 16. Terminate Iterations
LITER(C1)=20
ENDIT(C1)=1.0E-03
************************************************************
Group 17. Relaxation
RELAX(U1,LINRLX,1.)
RELAX(V1,LINRLX,1.)
RELAX(C1,FALSDT,1.0E+09)
RELAX(EXAC,LINRLX,1.)
OVRRLX =0.
EXPERT = F ;NNORSL = F
************************************************************
Group 18. Limits
VARMAX(U1)=1.0E+06 ;VARMIN(U1)=-1.0E+06
VARMAX(V1)=1.0E+06 ;VARMIN(V1)=-1.0E+06
VARMAX(C1)=1.0E+10 ;VARMIN(C1)=-1.0E+10
VARMAX(EXAC)=1.0E+10 ;VARMIN(EXAC)=-1.0E+10
************************************************************
Group 19. Data transmitted to GROUND
NAMSAT =MOSG
PARSOL = F
ISG62 = 1
SPEDAT(SET,GXMONI,PLOTALL,L,T)
RG( 1) =-1.895845
RG( 2) =2.22144
************************************************************
Group 20. Preliminary Printout
DISTIL = T ;NULLPR = F
NDST = 0
DSTTOL =1.0E-02
EX(U1)=0.7071 ;EX(V1)=0.7071
EX(C1)=0.8936 ;EX(EXAC)=0.8916
************************************************************
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(U1,Y,N,Y,N,N,N)
OUTPUT(V1,Y,N,Y,N,N,N)
OUTPUT(C1,Y,N,Y,Y,Y,Y)
OUTPUT(EXAC,Y,N,Y,N,N,N)
************************************************************
Group 22. Monitor Print-Out
IXMON = 1 ;IYMON = 1 ;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