TALK=T;RUN(1,1) USTRBEGIN NAMPLT MAP NAMVAR U1 USTREND DISPLAY This run analyses the flow in a cavity, the top wall of which moves with a constant velocity. The stationary walls are at one temperature, the moving wall is at a different temperature. Interesting variants include: changes to the velocity and temperature of the moving wall; changes to the aspect ratio of the cavity; and changes to the temperatures of the walls at rest. The USTEER feature is activated by UWATCH=T;USTEER=T and by the file. In-Form statements are introduced which enable the residuals of and corrections to the temperature variable H1, namely HRES and HCOR, to be printed, and viewed via PHOTON. ENDDIS PHOTON USE p;;;; con h1 z 1 fi;0.001 msg contours of temperature (h1) pause con hres z 1 fi;0.001 msg contours of temperature residuals (hres) pause con hcor z 1 fi;0.001 msg contours of temperature corrections (hcor) pause; con off; red vec z 1 fi;0.001 msg velocity vectors (h1) pause gr z 1 msg the computational grid ENDUSE PHOTON USE p;;;;; msg the grid. press return gr z 1;pause;gr off;red;gr ou z 1;vec z 1 sh msg Velocity vectors. press return pause;vec off;red;con v1 z 1 fi;0.001 msg vertical-velocity contours. press return pause;con off;red;con u1 z 1 fi;0.001 msg horizontal-velocity contours. press return pause;con off;red;con h1 z 1 fi;0.001 msg temperature contours. Press e to END enduse DISPLAY The "driven-cavity" problem; PHOENICS library case 249. The flow is laminar, two-dimensional and steady The Navier-Stokes equations are solved by PHOENICS The grid is coarse (10*10) to save time The under-relaxation of velocity has been made very heavy, as though by an inexperienced user *********************************************************** ENDDIS ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT(Expert Test-The Driven-Cavity Flow ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 249 ************************************************************ Group 2. Time dependence STEADY = T ************************************************************ Group 3. X-Direction Grid Spacing CARTES = T NX = 10 XULAST =0.1 XFRAC(1)=0.02 ;XFRAC(2)=0.08 XFRAC(3)=0.18 ;XFRAC(4)=0.32 XFRAC(5)=0.5 ;XFRAC(6)=0.68 XFRAC(7)=0.82 ;XFRAC(8)=0.92 XFRAC(9)=0.98 ;XFRAC(10)=1. ************************************************************ Group 4. Y-Direction Grid Spacing NY = 10 YVLAST =0.1 YFRAC(1)=0.02 ;YFRAC(2)=0.08 YFRAC(3)=0.18 ;YFRAC(4)=0.32 YFRAC(5)=0.5 ;YFRAC(6)=0.68 YFRAC(7)=0.82 ;YFRAC(8)=0.92 YFRAC(9)=0.98 ;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(1)=P1 ;NAME(3)=U1 NAME(5)=V1 ;NAME(14)=H1 NAME(149)=HCOR ;NAME(150)=HRES * 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,N,N,N,Y) SOLUTN(U1,Y,Y,N,N,N,Y) SOLUTN(V1,Y,Y,N,N,N,Y) SOLUTN(H1,Y,Y,N,N,N,Y) SOLUTN(HCOR,Y,N,N,N,N,N) SOLUTN(HRES,Y,N,N,N,N,N) ************************************************************ 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(H1,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-04 ;ENUT =0. PRNDTL(U1)=1. ;PRNDTL(V1)=1. PRNDTL(H1)=0.7 PRT(U1)=1. ;PRT(V1)=1. PRT(H1)=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(H1)=1.0E-10 FIINIT(HCOR)=1.0E-10 ;FIINIT(HRES)=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(SOUTH ,SWALL , 1, 10, 1, 1, 1, 1, 1, 1) COVAL(SOUTH ,U1 ,1. ,0. ) COVAL(SOUTH ,H1 ,1. ,0. ) PATCH(MOVE ,NWALL , 1, 10, 10, 10, 1, 1, 1, 1) COVAL(MOVE ,U1 ,1. ,1. ) COVAL(MOVE ,H1 ,1. ,1. ) PATCH(WEST ,WWALL , 1, 1, 1, 10, 1, 1, 1, 1) COVAL(WEST ,V1 ,1. ,0. ) COVAL(WEST ,H1 ,1. ,0. ) PATCH(EAST ,EWALL , 10, 10, 1, 10, 1, 1, 1, 1) COVAL(EAST ,V1 ,1. ,0. ) COVAL(EAST ,H1 ,1. ,0. ) PATCH(FIXPRESS,CELL , 5, 5, 5, 5, 1, 1, 1, 1) COVAL(FIXPRESS,P1 ,1. ,0. ) COVAL(FIXPRESS,U1 ,0. ,0. ) COVAL(FIXPRESS,V1 ,0. ,0. ) XCYCLE = F EGWF = T WALLCO = GRND2 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 500 ;ISWC1 = 1 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SELREF = T RESFAC =1.0E-02 ************************************************************ Group 16. Terminate Iterations LITER(P1)=20 ;LITER(U1)=10 LITER(V1)=10 ;LITER(H1)=20 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03 ENDIT(V1)=1.0E-03 ;ENDIT(H1)=1.0E-03 ************************************************************ Group 17. Relaxation RELAX(P1,LINRLX,1.) RELAX(U1,FALSDT,1.0E-04) RELAX(V1,FALSDT,1.0E-04) RELAX(H1,FALSDT,1.0E+09) RELAX(HCOR,LINRLX,1.) RELAX(HRES,LINRLX,1.) 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(H1)=1.0E+10 ;VARMIN(H1)=-1.0E+10 VARMAX(HCOR)=1.0E+10 ;VARMIN(HCOR)=-1.0E+10 VARMAX(HRES)=1.0E+10 ;VARMIN(HRES)=-1.0E+10 ************************************************************ Group 19. Data transmitted to GROUND PARSOL = F ISG62 = 1 SPEDAT(SET,STORED,HRES,C,=RESI(H1)!RESIDU) SPEDAT(SET,STORED,HCOR,C,=CORR(H1)!CORREC) SPEDAT(SET,GXMONI,PLOTALL,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(P1,Y,N,Y,Y,Y,Y) OUTPUT(U1,Y,N,Y,Y,Y,Y) OUTPUT(V1,Y,N,Y,Y,Y,Y) OUTPUT(H1,Y,N,Y,Y,Y,Y) OUTPUT(HCOR,Y,N,Y,N,N,N) OUTPUT(HRES,Y,N,Y,N,N,N) ************************************************************ Group 22. Monitor Print-Out IXMON = 5 ;IYMON = 9 ;IZMON = 1 NPRMON = 100000 ;NPRMNT = 1 ;TSTSWP = -10 UWATCH = T ;USTEER = T HIGHLO = F ************************************************************ Group 23.Field Print-Out & Plot Control NPRINT = 20 ;NUMCLS = 5 NXPRIN = -1 ;IXPRF = 1 ;IXPRL = 10000 NYPRIN = -1 ;IYPRF = 1 ;IYPRL = 10000 IPLTF = 2 ;IPLTL = 500 ;NPLT = 1 ISWPRF = 1 ;ISWPRL = 100000 ITABL = 1 ;IPROF = 1 ABSIZ =0.5 ;ORSIZ =0.4 NTZPRF = 1 ;NCOLPF = 50 ICHR = 2 ;NCOLCO = 45 ;NROWCO = 20 PATCH(MIDX ,PROFIL, 5, 5, 1, 10, 1, 1, 1, 1) PLOT(MIDX ,U1 ,-1. ,1. ) PLOT(MIDX ,H1 ,0. ,1. ) PATCH(MAP ,CONTUR, 1, 10, 1, 10, 1, 1, 1, 1) PLOT(MAP ,U1 ,0. ,10. ) PLOT(MAP ,V1 ,0. ,10. ) PLOT(MAP ,H1 ,0. ,10. ) ************************************************************ Group 24. Dumps For Restarts SAVE = T ;NOWIPE = F NSAVE =CHAM STOP