TALK=F;RUN( 1, 1) ************************************************************ Q1 created by VDI menu, Version 2006, Date 21/09/06 CPVNAM=VDI;SPPNAM=Core ************************************************************ Echo DISPLAY / USE settings PHOTON USE p;;;; use patgeo gr ou z 1 msg contours of velocity, and velocity vectors con u1 z 1 fi;0.01;vec z 1 msg press RETURN for length scale pause;con off;vec off;red msg contours of turbulence length scale con len1 z 1 fi;0.01;pause;con off;red msg contours of effective viscosity con enut z 1 fi;0.01 enduse DISPLAY This case involves steady, turbulent flow over a backward-facing step, of height h, in a two-dimensional channel of width 3*h. The calculations are started at a distance 4h upstream of the step and terminated at a distance 16h downstream. //////////////////////// wall /////////////////////// ----------------------------------------------------- Pressure Inlet -------> ---------> fixed at zero /________________ | ////////////////| Exit | wall /| Recirculation | /| <---- -----> \ constant /|____________________________________ prescribed mass ////////////////////////////////////// inflow rate wall ENDDIS ************************************************************ IRUNN = 1 ;LIBREF = 0 ************************************************************ Group 1. Run Title TEXT(USP. KE model ************************************************************ Group 2. Transience STEADY = T ************************************************************ Groups 3, 4, 5 Grid Information * Overall number of cells, RSET(M,NX,NY,NZ,tolerance) BOOLEAN(lAUTO) mesg(Do you want to use automatic mode (y) or manual (n)? readvdu(ans,char,n) if(:ans:.eq.y)then lAUTO=T else lAUTO=F endif INTEGER(LEVEL) LEVEL = 0 mesg(Minimum level of coarsening is 0, maximum is 3 mesg(Current level of coarsening is :LEVEL: mesg(Do you want to change it? (y/n) readvdu(ans,char,n) if(:ans:.eq.y)then mesg(Enter level of coarsening readvdu(LEVEL,int,LEVEL) mesg(New level of coarsening is :LEVEL: endif if(lAUTO)then else NX=40; NY=12 if(LEVEL.gt.0)then NX=NX*2; NY=NY*2 endif if(LEVEL.gt.1)then NX=NX*2; NY=NY*2 endif if(LEVEL.gt.2)then NX=NX*2; NY=NY*2 endif endif RSET(M,NX,NY,1,7.620000E-05) ************************************************************ Group 6. Body-Fitted coordinates ************************************************************ Group 7. Variables: STOREd,SOLVEd,NAMEd ONEPHS = T * Non-default variable names NAME(147) = GEN1 NAME(148) =EPKE NAME(149) =LEN1 ; NAME(150) =ENUT * Solved variables list SOLVE(P1 ,U1 ,V1 ) * Stored variables list STORE(ENUT,LEN1,EPKE,GEN1) * Additional solver options SOLUTN(P1 ,Y,Y,Y,N,N,N) TURMOD(KEMODL) ************************************************************ Group 8. Terms & Devices USP = T ; USPDBG= F UAUTO = lAUTO UTCPLT= T USPTER = F USPVTK = T USPIMB = T ; UGTGRD= T MXLEV = LEVEL ; MYLEV = LEVEL ;MZLEV = 0 DOMAT = -1 CELLST = 1 ; FACEST= 1 MINPRP = -1 ; MAXPRP= 250 UMXLEV = LEVEL ; UMXCLS= 100000 UNOLAY = 2 UIOLEV = 1 UWALEV = 3 UMXCRS = 16 PARSOL = F mesg(Do you want to view results in the centres of cells? (y/n) readvdu(ans,char,n) if(:ans:.eq.y)then SPEDAT(SET,USPIO,VERTCENT,L,F) endif ************************************************************ Group 9. Properties RHO1 = 1.000000E+00 ENUL = 1.100667E-05 CP1 = 1.000000E+00 PRT (KE ) = 7.194000E-01 ;PRT (EP ) = 7.194000E-01 ************************************************************ Group 10.Inter-Phase Transfer Processes ************************************************************ Group 11.Initialise Var/Porosity Fields FIINIT(P1 ) = 1.300000E-04 ;FIINIT(U1 ) = 1.300000E+01 FIINIT(KE ) = 3.000000E+00 ;FIINIT(EP ) = 1.000000E+02 FIINIT(EPKE) = 1.001000E-10 FIINIT(LEN1) = 1.001000E-10 ;FIINIT(ENUT) = 1.001000E-2 No PATCHes used for this Group INIADD = F ************************************************************ 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 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 1500 RESFAC = 1.000000E-07 ************************************************************ Group 16. Terminate Iterations LITER (P1 ) = 200 LITER (U1 ) = 20;LITER (V1 ) = 20 LITER (KE ) = 20 ;LITER (EP ) = 20 ************************************************************ Group 17. Relaxation RELAX(P1 ,LINRLX, 0.5) RELAX(U1 ,FALSDT, 1.E-02) RELAX(V1 ,FALSDT, 1.E-02) RELAX(KE ,LINRLX, 5.E-01) RELAX(EP ,LINRLX, 5.E-01) mesg(Do you want to use collocated arrangement (y) or staggered one (n)? (y/n) readvdu(ans,char,n) if(:ans:.eq.y)then SPEDAT(SET,USP,METHOD,I,1) RELAX(P1 ,LINRLX, 0.2) RELAX(U1 ,FALSDT, 2.E-03) RELAX(V1 ,FALSDT, 2.E-03) mesg(Do you want to use SIMPLEST (y) or SIMPLE (n)? (y/n) readvdu(ans,char,n) if(:ans:.eq.y)then SPEDAT(SET,USP,SIMPLEST,L,T) endif endif KELIN = 3 ************************************************************ Group 18. Limits VARMAX(U1 ) = 1.000000E+06 ;VARMIN(U1 ) =-1.000000E+06 VARMAX(V1 ) = 1.000000E+06 ;VARMIN(V1 ) =-1.000000E+06 ************************************************************ Group 19. EARTH Calls To GROUND Station USEGRD = T ;USEGRX = T GENK = T ASAP = T IENUTA = 0 SPEDAT(SET,FACETDAT,NUMOBJ,I,7) ************************************************************ Group 20. Preliminary Printout ECHO = T ************************************************************ Group 21. Print-out of Variables ************************************************************ Group 22. Monitor Print-Out IXMON = 9 ;IYMON = 8 ;IZMON = 1 NPRMON = 100 NPRMNT = 1 TSTSWP = -1 ************************************************************ Group 23.Field Print-Out & Plot Control NPRINT = 100000 IPLTF = 1 ;IPLTL = 100 NPLT = 1 ISWPRF = 1 ;ISWPRL = 100000 ITABL = 1 ************************************************************ Group 24. Dumps For Restarts GVIEW(P,0.000000E+00,0.000000E+00,1.000000E+00) GVIEW(UP,0.000000E+00,1.000000E+00,0.000000E+00) > DOM, SIZE, 8.000000E-01, 1.200000E-01, 1.000000E+00 > DOM, MONIT, 1.817660E-01, 2.857500E-02, 5.000000E-01 > DOM, SCALE, 1.000000E+00, 1.000000E+00, 1.000000E+00 > DOM, SNAPSIZE, 1.000000E-02 if(lAUTO)then else > OBJ, NAME, X2 > OBJ, POSITION, 3.048000E-01, 0.000000E+00, 0.000000E+00 > OBJ, SIZE, 0.000000E+00, 1.143000E-01, 1.000000E+00 > OBJ, GEOMETRY, wirexyz > OBJ, ROTATION24, 1 > OBJ, TYPE, NULL endif > OBJ, NAME, STEP > OBJ, POSITION, 0.000000E+00, 0.000000E+00, 0.000000E+00 > OBJ, SIZE, 1.600000E-01, 4.000000E-02, 1.000000E+00 > OBJ, GEOMETRY, cube14 > OBJ, ROTATION24, 1 > OBJ, TYPE, BLOCKAGE > OBJ, MATERIAL, 198,Solid with smooth-wall friction > OBJ, NAME, INLET > OBJ, POSITION, 0.000000E+00, 4.000000E-02, 0.000000E+00 > OBJ, SIZE, 0.000000E+00, 8.000000E-02, 1.000000E+00 > OBJ, GEOMETRY, cube3t > OBJ, ROTATION24, 1 > OBJ, TYPE, INLET > OBJ, PRESSURE, 1.000000E+00 > OBJ, VELOCITY, 1.300000E+01, 0.000000E+00, 0.000000E+00 > OBJ, TEMPERATURE, 0.000000E+00 > OBJ, KE_IN, 7.605000E-01 > OBJ, EP_IN, 3.177743E+01 > OBJ, NAME, OUTLET > OBJ, POSITION, 8.000000E-01, 0.000000E+00, 0.000000E+00 > OBJ, SIZE, 0.000000E+00, 1.200000E-01, 1.000000E+00 > OBJ, GEOMETRY, cube12t > OBJ, ROTATION24, 1 > OBJ, TYPE, OUTLET > OBJ, PRESSURE, 0.000000E+00 > OBJ, TEMPERATURE, SAME > OBJ, COEFFICIENT, 1.000000E+05 > OBJ, TURBULENCE, 0.000000E+00, 0.000000E+00 > OBJ, NAME, WFNN > OBJ, POSITION, 0.000000E+00, 1.200000E-01, 0.000000E+00 > OBJ, SIZE, 8.000000E-01, 0.000000E+00, 1.000000E+00 > OBJ, GEOMETRY, cube11 > OBJ, ROTATION24, 1 > OBJ, TYPE, PLATE > OBJ, NAME, WFNS > OBJ, POSITION, 1.600000E-01, 0.000000E+00, 0.000000E+00 > OBJ, SIZE, 6.400000E-01, 0.000000E+00, 1.000000E+00 > OBJ, GEOMETRY, cube11 > OBJ, ROTATION24, 1 > OBJ, TYPE, PLATE if(lAUTO)then else if(LEVEL.gt.0)then > OBJ, NAME, B1 > OBJ, POSITION, 0.100000E+00, 0.000000E+00, 0.000000E+00 > OBJ, SIZE, 0.400000E+00, 8.000000E-02, 1.000000E+00 > OBJ, GEOMETRY, fine > OBJ, ROTATION24, 1 > OBJ, TYPE, FINE_GRID_VOL > OBJ, LEVELS, 0.000000E+00, 0.000000E+00, 0.000000E+00 > OBJ, AXES, OXY endif if(LEVEL.gt.1)then > OBJ, NAME, B2 > OBJ, POSITION, 0.120000E+00, 0.000000E+00, 0.000000E+00 > OBJ, SIZE, 0.340000E+00, 7.000000E-02, 1.000000E+00 > OBJ, GEOMETRY, fine > OBJ, ROTATION24, 1 > OBJ, TYPE, FINE_GRID_VOL > OBJ, LEVELS, 1.000000E+00, 1.000000E+00, 0.000000E+00 > OBJ, AXES, OXY endif if(LEVEL.gt.2)then > OBJ, NAME, B3 > OBJ, POSITION, 0.140000E+00, 0.000000E+00, 0.000000E+00 > OBJ, SIZE, 0.280000E+00, 6.000000E-02, 1.000000E+00 > OBJ, GEOMETRY, fine > OBJ, ROTATION24, 1 > OBJ, TYPE, FINE_GRID_VOL > OBJ, LEVELS, 2.000000E+00, 2.000000E+00, 0.000000E+00 > OBJ, AXES, OXY endif endif STOP