TALK=T;RUN(1,1) PHOTON USE p a2 msg Circular pipe gr z 1 msg Pressto continue pause cl msg Concentration contour of continuous phase msg after 2 seconds con pt0 z 1 fi;0.002 msg Press to continue pause cl msg Concentration contour of first dispersed phase msg after 2 seconds con pt1 z 1 fi;0.002 msg Press to continue pause cl msg Concentration contour of second dispersed phase msg after 2 seconds con pt2 z 1 fi;0.002 msg Press to continue pause cl p a4 msg Concentration contour of continuous phase msg after 4 seconds con pt0 z 1 fi;0.002 msg Press to continue pause cl msg Concentration contour of first dispersed phase msg after 4 seconds con pt1 z 1 fi;0.002 msg Press to continue pause cl msg Concentration contour of second dispersed phase msg after 4 seconds con pt2 z 1 fi;0.002 msg Press e to END enduse DISPLAY 3-dimensional, polar, transient, elliptic simulation This case calculates the accumulation of two groups of particles, of different diameters, on the bottom of a closed circular pipe. The first dispersed phase is made up of larger droplets and so settles more quickly. enddis ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT(SETTLING IN A CIRCULAR PIPE: P111 ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 1 ************************************************************ Group 2. Time dependence STEADY = F * Set overall time and no. of steps TFIRST =0. ;TLAST =4. FSTEP = 1 ;LSTEP = 4 TFRAC(1)=0.25 ;TFRAC(3)=0.75 ************************************************************ Group 3. X-Direction Grid Spacing CARTES = F NX = 10 XULAST =6.2832 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 = 5 YVLAST =0.25 YFRAC(1)=0.2 ;YFRAC(2)=0.4 YFRAC(3)=0.6 ;YFRAC(4)=0.8 YFRAC(5)=1. ************************************************************ Group 5. Z-Direction Grid Spacing PARAB = F NZ = 1 ZWLAST =0.5 ZFRAC(1)=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(16)=PT0 NAME(17)=PT1 ;NAME(18)=PT2 NAME(147)=IMB1 ;NAME(148)=VISL NAME(149)=DEN1 ;NAME(150)=VFOL * 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,N) SOLUTN(U1,Y,Y,N,N,N,Y) SOLUTN(V1,Y,Y,N,N,N,Y) SOLUTN(PT0,Y,Y,N,N,N,Y) SOLUTN(PT1,Y,Y,N,N,N,Y) SOLUTN(PT2,Y,Y,N,N,N,Y) SOLUTN(IMB1,Y,N,N,N,N,Y) SOLUTN(VISL,Y,N,N,N,N,Y) SOLUTN(DEN1,Y,N,N,N,N,Y) SOLUTN(VFOL,Y,Y,N,N,N,Y) DEN1 = 149 VISL = 148 IMB1 = 147 ************************************************************ 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(PT0,N,Y,Y,Y,Y,Y) TERMS(PT1,N,Y,Y,Y,N,Y) TERMS(PT2,N,Y,Y,Y,Y,Y) TERMS(VFOL,N,N,N,N,Y,Y) DIFCUT =0.5 ;ZDIFAC =1. GALA = T ;ADDDIF = F NEWRH1 = T NEWENL = T ISOLX = -1 ;ISOLY = -1 ;ISOLZ = -1 ************************************************************ Group 9. Properties used if PRPS is not stored, and where PRPS = -1.0 if it is! RHO1 = GRND ;TMP1 =0. ;EL1 =0. TSURR =0. ;TEMP0 =0. ;PRESS0 =0. DVO1DT =0. ;DRH1DP =0. RHO1A =0. ;RHO1B =0. ;RHO1C =0. EMISS =0. ;SCATT =0. RADIA =0. ;RADIB =0. ENUL = GRND ;ENUT =0. ENULA =0. ;ENULB =0. ;ENULC =0. ;ENULD =0. ENULE =0. ;ENULF =0. ;ENULG =0. IENULA = 0 ;IENULB = 0 CINT(PT0)=1. ;CINT(PT1)=1.0E-03 CINT(PT2)=2.0E-04 ;CINT(IMB1)=1. CINT(VISL)=1. ;CINT(DEN1)=1. CINT(VFOL)=1. PHINT(PT0)=-2.022E+04 ;PHINT(PT1)=2000. PHINT(PT2)=2000. ;PHINT(IMB1)=-2.022E+04 PHINT(VISL)=-2.022E+04 ;PHINT(DEN1)=-2.022E+04 PHINT(VFOL)=-2.022E+04 PRNDTL(U1)=1. ;PRNDTL(V1)=1. PRNDTL(PT0)=1.0E-06 ;PRNDTL(PT1)=2.5E-06 PRNDTL(PT2)=2.5E-06 PRT(U1)=1. ;PRT(V1)=1. PRT(PT0)=1. ;PRT(PT1)=1. PRT(PT2)=1. CP1 =1. ;CP2 =1. ************************************************************ Group 10.Inter-Phase Transfer Processes ************************************************************ Group 11.Initial field variables (PHIs) FIINIT(P1)=1.0E+04 ;FIINIT(U1)=0. FIINIT(V1)=0. ;FIINIT(PT0)=0.8 FIINIT(PT1)=0.1 ;FIINIT(PT2)=0.1 FIINIT(IMB1)=1.0E-10 ;FIINIT(VISL)=1.0E-10 FIINIT(DEN1)=1.0E-10 ;FIINIT(VFOL)=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(REFP1 ,CELL , 10, 10, 1, 1, 1, 1, 1, 4) COVAL(REFP1 ,P1 ,1. ,0. ) PATCH(BUOY ,PHASEM, 1, 10, 1, 5, 1, 1, 1, 4) COVAL(BUOY ,U1 , FIXFLU , GRND1 ) COVAL(BUOY ,V1 , FIXFLU , GRND1 ) XCYCLE = T EGWF = T WALLCO = GRND2 BUOYA =0. ; BUOYB =-9.81 ; BUOYC =0. ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 50 ;ISWC1 = 1 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SELREF = T RESFAC =1.0E-05 ************************************************************ Group 16. Terminate Iterations LITER(P1)=20 ;LITER(U1)=10 LITER(V1)=10 ;LITER(PT0)=2 LITER(PT1)=5 ;LITER(PT2)=20 LITER(VFOL)=20 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03 ENDIT(V1)=1.0E-03 ;ENDIT(PT0)=1.0E-08 ENDIT(PT1)=1.0E-05 ;ENDIT(PT2)=1.0E-03 ENDIT(VFOL)=1.0E-03 ************************************************************ Group 17. Relaxation RELAX(P1,LINRLX,1.) RELAX(U1,FALSDT,0.3) RELAX(V1,FALSDT,0.3) RELAX(PT0,LINRLX,0.2) RELAX(PT1,LINRLX,0.2) RELAX(PT2,FALSDT,1.0E+09) RELAX(IMB1,LINRLX,1.) RELAX(VISL,LINRLX,1.) RELAX(DEN1,LINRLX,1.) RELAX(VFOL,FALSDT,1.0E+09) 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(PT0)=1.0E+10 ;VARMIN(PT0)=-1.0E+10 VARMAX(PT1)=1.0E+10 ;VARMIN(PT1)=-1.0E+10 VARMAX(PT2)=1.0E+10 ;VARMIN(PT2)=-1.0E+10 VARMAX(IMB1)=1.0E+10 ;VARMIN(IMB1)=-1.0E+10 VARMAX(VISL)=1.0E+10 ;VARMIN(VISL)=-1.0E+10 VARMAX(DEN1)=1.0E+10 ;VARMIN(DEN1)=-1.0E+10 VARMAX(VFOL)=1.0E+10 ;VARMIN(VFOL)=-1.0E+10 ************************************************************ Group 19. Data transmitted to GROUND ASLP = T PARSOL = F LASLPA = T ;LASLPB = T ISG62 = 1 SPEDAT(SET,GXMONI,TRANSIENT,L,F) 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(PT0,Y,N,Y,Y,Y,Y) OUTPUT(PT1,Y,N,Y,Y,Y,Y) OUTPUT(PT2,Y,N,Y,Y,Y,Y) OUTPUT(IMB1,Y,N,Y,N,N,N) OUTPUT(VISL,Y,N,Y,N,N,N) OUTPUT(DEN1,Y,N,Y,N,N,N) OUTPUT(VFOL,N,N,Y,N,N,N) ************************************************************ Group 22. Monitor Print-Out IXMON = 5 ;IYMON = 2 ;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 NTPRIN = 2 ;ISTPRF = 1 ;ISTPRL = 100000 NXPRIN = 1 ;IXPRF = 1 ;IXPRL = 10000 NYPRIN = 1 ;IYPRF = 1 ;IYPRL = 10000 IPLTF = 2 ;IPLTL = 50 ;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 IDISPA = 2 ;IDISPB = 0 ;IDISPC = 0 CSG1 ='A' STOP