TALK=T;RUN( 1, 1)
************************************************************
Q1 created by VDI menu, Version 2025, Date 03/02/25
CPVNAM=VDI; SPPNAM=Core
************************************************************
Echo DISPLAY / USE settings
DISPLAY
The problem considered is a steady, incompressible, turbulent
flow across a smooth flat plate with zero pressure gradient,
beginning downstream of the inlet. The low Reynolds version
of the Spalart-Allmaras turbulence model is used.
This case is based on the NASA verification case
https://turbmodels.larc.nasa.gov/flatplate.html.
Free Stream
Pressure
Inlet -------> ---------> fixed at
zero
Exit
______________________________________________________
////////////////////////////////////////////
symmetry plate
y
|__x
ENDDIS
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IRUNN = 1 ;LIBREF = 0
************************************************************
Group 1. Run Title
TEXT(Low Reynolds S-A 2D Flat Plate X-Y )
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Group 2. Transience
STEADY = T
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Groups 3, 4, 5 Grid Information
* Overall number of cells, RSET(M,NX,NY,NZ,tolerance)
RSET(M,305,102,1)
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Group 6. Body-Fitted coordinates
************************************************************
Group 7. Variables: STOREd,SOLVEd,NAMEd
* Non-default variable names
NAME(130)=BL ;NAME(131)=DEL
NAME(134)=VELD ;NAME(135)=YPL
NAME(136)=UPL ;NAME(137)=USTR
NAME(138)=REY ;NAME(139)=CFCO
NAME(140)=DVDX ;NAME(141)=DUDY
NAME(142)=CF ;NAME(143)=STRS
NAME(145)=WDIS ;NAME(146)=VOR1
NAME(148)=DEN1 ;NAME(149)=EL1
NAME(150) =ENUT
* Solved variables list
SOLVE(P1,U1,V1)
* Stored variables list
STORE(ENUT,EL1,DEN1,VOR1,WDIS,STRS,CF,DUDY)
STORE(DVDX,CFCO,REY,USTR,UPL,YPL,VELD,DEL)
STORE(BL)
* Additional solver options
SOLUTN(P1,Y,Y,Y,N,N,Y)
TURMOD(SPALART-ALLMARAS-LOWRE)
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Group 8. Terms & Devices
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Group 9. Properties
PRESS0 =1.01325E+05
* Domain material index is 0 signifying:
* Air at 20 deg C, 1 atm, treated as incompressible
SETPRPS(1, 0)
TMP1 = GRND1
TMP1A =300. ;TMP1B =0. ;TMP1C =0.
DVO1DT =3.41E-03
PRT(ENTI)=0.666667
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Group 10.Inter-Phase Transfer Processes
************************************************************
Group 11.Initialise Var/Porosity Fields
FIINIT(P1)=0. ;FIINIT(U1)=69.
FIINIT(V1)=0.09 ;FIINIT(WDIS)=3.5E-03
FIINIT(ENTI)=1.544E-05
No PATCHes used for this Group
INIADD = F
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Group 12. Convection and diffusion adjustments
No PATCHes used for this Group
************************************************************
Group 13. Boundary & Special Sources
No PATCHes used for this Group
EGWF = T
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Echo save-block settings for Group 13
save13begin
* Free-stream velocity
(MAKE of UFSP is 0.0 with IF(isweep.eq.fsweep))
(STORE1 of UFSP is ABS(U1{1.0,0.03,0.05}) with swpfin)
(PRINT of UFSP is UFSP)
(MAKE of UINF is 0.0)
(STORE1 of UINF is 69.73)
* Skin friction coefficient
(STORED of CF is 2*STRS/(UINF^2) with swpfin)
(STORED of CF is CF[,1,] with swpfin)
* Reynolds number Rex
(STORED of REY is UINF*(XG-0.33333)/ENUL with swpfin !IF(XG-0.33333.gt.0))
* Skin friction coefficient from correlation
(STORED of CFCO is 0.0576/(REY^0.2) with swpfin)
* Calculation of y-plus and u-plus values
(STORED of USTR is SQRT((CF*UINF^2)/2) with swpfin)
(STORED of YPL is (USTR*YG)/ENUL with swpfin)
(STORED of UPL is U1/USTR with swpfin)
* Analytical boundary layer thickness (99%)
(STORED of DEL is (0.37*(XG-0.33333))/REY^(0.2) with swpfin)
* Velocity deficit
(STORED of VELD is (UINF-U1)/USTR with swpfin)
* 99% Velocity
(MAKE of U99 is 0.0 with IF(isweep.eq.fsweep))
(STORE1 of U99 is 0.99*UINF with swpfin)
(STORED of BL is 0.0 with swpfin)
(STORED of BL is 1 with IF(U1.le.U99) !swpfin)
save13end
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Group 14. Downstream Pressure For PARAB
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Group 15. Terminate Sweeps
LSWEEP = 500
RESFAC =1.0E-04
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Group 16. Terminate Iterations
LITER(P1)=80
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Group 17. Relaxation
RELAX(P1 ,LINRLX,1. )
RELAX(U1 ,FALSDT,10. )
RELAX(V1 ,FALSDT,10. )
RELAX(LTLS,LINRLX,1. )
RELAX(ENTI,LINRLX,0.3 )
************************************************************
Group 18. Limits
************************************************************
Group 19. EARTH Calls To GROUND Station
PARSOL = F
ISG62 = 0
SPEDAT(SET,OUTPUT,NOFIELD,L,T)
SPEDAT(SET,GXMONI,PLOTALL,L,T)
************************************************************
Group 20. Preliminary Printout
DISTIL = T ;NULLPR = F
NDST = 0
DSTTOL =1.0E-02
EX(P1)=2.12 ;EX(U1)=59.599998
EX(V1)=0.07491 ;EX(BL)=0.5203
EX(DEL)=0.6449 ;EX(VELD)=2.848E+04
EX(YPL)=1082. ;EX(UPL)=1.172E+06
EX(USTR)=2.461 ;EX(REY)=2.328E+06
EX(CFCO)=0.9472 ;EX(DVDX)=1.638
EX(DUDY)=2.785E+04 ;EX(CF)=3.1E-03
EX(STRS)=0.07388 ;EX(LTLS)=4.985E-03
EX(WDIS)=0.0249 ;EX(VOR1)=2.785E+04
EX(ENTI)=7.158E-04 ;EX(DEN1)=1.189
EX(EL1)=0. ;EX(ENUT)=6.854E-04
************************************************************
Group 21. Print-out of Variables
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Group 22. Monitor Print-Out
IXMON = 188 ;IYMON = 18 ;IZMON = 1
NPRMON = 100000
NPRMNT = 1
TSTSWP = -1
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Group 23.Field Print-Out & Plot Control
NPRINT = 100000
ISWPRF = 1 ;ISWPRL = 100000
No PATCHes used for this Group
************************************************************
Group 24. Dumps For Restarts
GVIEW(P,0.,0.,1.)
GVIEW(UP,0.,1.,0.)
GVIEW(WINDOW,MAX)
GVIEW(DEPTH,1000.)
GVIEW(VDIS,1.121152)
GVIEW(CENTRE,1.166665,0.0175,0.05)
> DOM, ORIGIN, -3.333300E-01, 0.000000E+00, 0.000000E+00
> DOM, SIZE, 2.333330E+00, 3.500000E-02, 1.000000E-01
> DOM, MONIT, 8.362031E-01, 3.280057E-04, 5.000000E-02
> DOM, SCALE, 1.000000E+00, 1.000000E+00, 1.000000E+00
> DOM, INCREMENT, 1.000000E-02, 1.000000E-02, 1.000000E-02
> GRID, AUTO, F F T
> GRID, RSET_X_1, 50,-1.050000E+00,G
> GRID, RSET_X_2, 255, 1.010000E+00,G
> GRID, RSET_Y_1, 102, 1.050000E+00,G
> GRID, RSET_Z_1, 1, 1.000000E+00,G
> DOM, INI_AMB, YES
> DOM, INI_BUOY, YES
> OBJ, NAME, PLATE
> OBJ, POSITION, 0.000000E+00, 0.000000E+00, 0.000000E+00
> OBJ, SIZE, TO_END, 0.000000E+00, TO_END
> OBJ, DOMCLIP, NO
> OBJ, GEOMETRY, box
> OBJ, TYPE, PLATE
> OBJ, NAME, INL
> OBJ, POSITION, AT_START, 0.000000E+00, 0.000000E+00
> OBJ, SIZE, 0.000000E+00, TO_END, TO_END
> OBJ, DOMCLIP, NO
> OBJ, GEOMETRY, box
> OBJ, TYPE, INLET
> OBJ, PRESSURE, P_AMBIENT
> OBJ, VELOCITY, 69.730003 ,0. ,0.
> OBJ, TURB_IN, VISC_RAT
> OBJ, VISCRAT, 5.000000E+00
> OBJ, NAME, OUTLET
> OBJ, POSITION, AT_END, 0.000000E+00, 0.000000E+00
> OBJ, SIZE, 0.000000E+00, TO_END, TO_END
> OBJ, DOMCLIP, NO
> OBJ, GEOMETRY, box
> OBJ, TYPE, OUTLET
> OBJ, PRESSURE, P_AMBIENT
> OBJ, COEFFICIENT, 1000.
> OBJ, TURBULENCE, 0. ,7.72E-05
> OBJ, NAME, FREE_S
> OBJ, POSITION, -3.333300E-01, AT_END, 0.000000E+00
> OBJ, SIZE, TO_END, 0.000000E+00, TO_END
> OBJ, DOMCLIP, NO
> OBJ, GEOMETRY, box
> OBJ, TYPE, OUTLET
> OBJ, PRESSURE, P_AMBIENT
> OBJ, COEFFICIENT, 1000.
> OBJ, VELOCITY, 69.730003 ,0. ,0.
> OBJ, TURBULENCE, 0. ,7.72E-05
STOP