TALK=T;RUN(1,1)
DISPLAY
A simulation is made of the flow in and around a shallow
open-topped hollow cylinder with a crosswind blowing
across its top, normal to the cylinder axis. The height
of the cup to its radius is 0.4 . This geometry is a design
considered for a sampling cup used for measuring atmospheric
precipitation.
Cylindrical polar coordinates are used in 3 dimensions.
The polar axis points vertically upwards from the ground
surface, and the vertical extent of the domain extends well
beyond the top of the sampling cup. The radial extent of the
domain extends beyond the rim of the cup.
The subroutine GXPOLR called from GREX3 is used to set
boundary conditions at the cylindrical outer surface of the
domain of integration, where a uniform stream of air is
present. This is done in GXPOLR by resolving the inflow
velocity along the radial and tangential directions of the
grid, and fixing the U1 and V1 values at the boundary cells
to these resolutes.
ENDDIS
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Group 1. Run Title and Number
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TEXT(Shallow Sample Cup In Crosswind )
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IRUNN = 1 ;LIBREF = 14
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Group 2. Time dependence
STEADY = T
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = F
NX = 20
XULAST =6.28318
XFRAC(1)=0.05 ;XFRAC(5)=0.25
XFRAC(9)=0.45 ;XFRAC(13)=0.65
XFRAC(17)=0.85
************************************************************
Group 4. Y-Direction Grid Spacing
NY = 21
YVLAST =0.1
YFRAC(1)=0.376033 ;YFRAC(5)=0.776752
YFRAC(9)=0.97 ;YFRAC(13)=1.1308
YFRAC(17)=1.715601 ;YFRAC(21)=4.
************************************************************
Group 5. Z-Direction Grid Spacing
PARAB = F
NZ = 9
ZWLAST =0.12
ZFRAC(1)=0.111111 ;ZFRAC(2)=0.222222
ZFRAC(3)=0.333333 ;ZFRAC(4)=0.444444
ZFRAC(5)=0.555556 ;ZFRAC(6)=0.666667
ZFRAC(7)=0.777778 ;ZFRAC(8)=0.888889
ZFRAC(9)=1.
************************************************************
Group 6. Body-Fitted Coordinates
* X-cyclic boundaries switched
XCYIZ( 1, T )
************************************************************
Group 7. Variables: STOREd,SOLVEd,NAMEd
ONEPHS = T
NAME(1)=P1 ;NAME(3)=U1
NAME(5)=V1 ;NAME(7)=W1
NAME(150)=NPOR
* 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(NPOR,Y,N,N,N,N,N)
EPOR = 0 ;HPOR = 0 ;NPOR = 150 ;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,Y,Y,Y,Y)
TERMS(V1,Y,Y,Y,Y,Y,Y)
TERMS(W1,Y,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 =1.205 ;TMP1 =0. ;EL1 =0.
TSURR =0. ;TEMP0 =0. ;PRESS0 =0.
DVO1DT =0. ;DRH1DP =0.
EMISS =0. ;SCATT =0.
RADIA =0. ;RADIB =0.
ENUL =1.493776E-05 ;ENUT =1.493776E-04
PRNDTL(U1)=1. ;PRNDTL(V1)=1.
PRNDTL(W1)=1.
PRT(U1)=1. ;PRT(V1)=1.
PRT(W1)=1.
CP1 =1. ;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(NPOR)=1.
PATCH(CMP0 ,INIVAL, 1, 20, 10, 10, 1, 3, 1, 1)
INIT(CMP0 ,V1 ,0. ,0. )
INIT(CMP0 ,NPOR,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 &
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Group 13. Boundary & Special Sources
PATCH(UPOL ,CELL , 5, 15, 21, 21, 1, 9, 1, 1)
COVAL(UPOL ,U1 , FIXVAL , GRND1 )
PATCH(VPOL ,CELL , 6, 15, 20, 20, 1, 9, 1, 1)
COVAL(VPOL ,V1 , FIXVAL , GRND1 )
PATCH(PINF ,CELL , 1, 20, 21, 21, 1, 9, 1, 1)
COVAL(PINF ,P1 ,1.0E+06 ,0. )
PATCH(CMP0-NW ,NWALL , 1, 20, 10, 10, 1, 3, 1, 1)
COVAL(CMP0-NW ,U1 , GRND2 ,0. )
COVAL(CMP0-NW ,W1 , GRND2 ,0. )
PATCH(CMP0-SW ,SWALL , 1, 20, 11, 11, 1, 3, 1, 1)
COVAL(CMP0-SW ,U1 , GRND2 ,0. )
COVAL(CMP0-SW ,W1 , GRND2 ,0. )
XCYCLE = T
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
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Group 15. Terminate Sweeps
LSWEEP = 100 ;ISWC1 = 1
LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =0.1
************************************************************
Group 16. Terminate Iterations
LITER(P1)=12 ;LITER(U1)=1
LITER(V1)=1 ;LITER(W1)=10
ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03
ENDIT(V1)=1.0E-03 ;ENDIT(W1)=1.0E-03
************************************************************
Group 17. Relaxation
RELAX(P1,LINRLX,1.)
RELAX(U1,FALSDT,3.0E-03)
RELAX(V1,FALSDT,3.0E-03)
RELAX(W1,FALSDT,3.0E-03)
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(NPOR)=1.0E+10 ;VARMIN(NPOR)=-1.0E+10
************************************************************
Group 19. Data transmitted to GROUND
PARSOL = F
ISG62 = 1
POLRA =4.
SPEDAT(SET,GXMONI,PLOTALL,L,T)
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Group 20. Preliminary Printout
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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(NPOR,Y,N,Y,N,N,N)
************************************************************
Group 22. Monitor Print-Out
IXMON = 2 ;IYMON = 12 ;IZMON = 4
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 = 4 ;IYPRF = 1 ;IYPRL = 10000
NZPRIN = -1 ;IZPRF = 1 ;IZPRL = 10000
XZPR = F ;YZPR = F
IPLTF = 1 ;IPLTL = -1 ;NPLT = 2
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(MAP ,CONTUR, 1, 20, 1, 21, 3, 3, 1, 1)
PLOT(MAP ,P1 ,1. ,10. )
PLOT(MAP ,U1 ,1. ,10. )
PLOT(MAP ,V1 ,1. ,10. )
PLOT(MAP ,W1 ,1. ,10. )
************************************************************
Group 24. Dumps For Restarts
SAVE = T ;NOWIPE = F
NSAVE =CHAM
STOP