TALK=T;RUN(1,1) PHOTON USE p;;;;; msg potential contours and velocity vectors con pot x 1 fi;0.05; con pot y 1 fi;0.05 set ref vec 40.0; vec x 1; vec y 1 ;pause msg pressure contours con p1 x 1 fi;0.05; con p1 y 1 fi;0.05 msg Press e to END ENDUSE DISPLAY This is a more economical version of the calculation performed by the "darcy-flow" technique in case 275. Only the potential- flow equation is solved. The imposed potential difference is chosen so that the velocities are approximately the same as before The Q1 contains PHOTON USE commands. Put use q1 in the u file in order to activate them. ENDDIS DISPLAY This case differs from case 276 only by activation of the conjugate-gradient solver ENDDIS ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT(Pot. Flow Around Van; CNGR. Solver ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 276 ************************************************************ Group 2. Time dependence STEADY = T ************************************************************ Group 3. X-Direction Grid Spacing CARTES = T NX = 8 XULAST =1. XFRAC(1)=0.5 ;XFRAC(5)=2.8 ************************************************************ Group 4. Y-Direction Grid Spacing NY = 12 YVLAST =1. Method of pairs used for grid setting. YFRAC(1)=-6. ;YFRAC(2)=0.5 YFRAC(3)=5. ;YFRAC(4)=1. YFRAC(5)=1. ;YFRAC(6)=2. ************************************************************ Group 5. Z-Direction Grid Spacing PARAB = F NZ = 20 ZWLAST =20. ZFRAC(1)=0.05 ;ZFRAC(2)=0.1 ZFRAC(3)=0.15 ;ZFRAC(4)=0.2 ZFRAC(5)=0.25 ;ZFRAC(6)=0.3 ZFRAC(7)=0.35 ;ZFRAC(8)=0.4 ZFRAC(9)=0.45 ;ZFRAC(10)=0.5 ZFRAC(11)=0.55 ;ZFRAC(12)=0.6 ZFRAC(13)=0.65 ;ZFRAC(14)=0.7 ZFRAC(15)=0.75 ;ZFRAC(16)=0.8 ZFRAC(17)=0.85 ;ZFRAC(18)=0.9 ZFRAC(19)=0.95 ;ZFRAC(20)=1. ************************************************************ Group 6. Body-Fitted Coordinates ************************************************************ Group 7. Variables: STOREd,SOLVEd,NAMEd ONEPHS = T NAME(1)=P1 ;NAME(3)=U1 NAME(5)=V1 ;NAME(7)=W1 NAME(148)=PRPS ;NAME(150)=POT * 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,N,N,N,N,Y) SOLUTN(U1,Y,N,N,N,N,Y) SOLUTN(V1,Y,N,N,N,N,Y) SOLUTN(W1,Y,N,N,N,N,Y) SOLUTN(PRPS,Y,N,N,N,N,N) SOLUTN(POT,Y,Y,Y,N,N,Y) PRPS = 148 ************************************************************ 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(POT,N,N,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-05 ;ENUT =0. PRNDTL(POT)=1. PRT(POT)=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(PRPS)=-1. ;FIINIT(POT)=1.0E-10 PATCH(CMP0 ,INIVAL, 1, 3, 2, 3, 6, 10, 1, 1) INIT(CMP0 ,PRPS,0. ,199. ) PATCH(CMP1 ,INIVAL, 1, 3, 4, 6, 7, 10, 1, 1) INIT(CMP1 ,PRPS,0. ,199. ) PATCH(CMP2 ,INIVAL, 3, 3, 1, 1, 6, 6, 1, 1) INIT(CMP2 ,PRPS,0. ,199. ) PATCH(CMP3 ,INIVAL, 3, 3, 1, 1, 10, 10, 1, 1) INIT(CMP3 ,PRPS,0. ,199. ) PATCH(INITIAL ,LINVLZ, 1, 8, 1, 12, 1, 20, 1, 1) INIT(INITIAL ,POT ,-14. ,280. ) 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(UPSTRM ,LOW , 1, 8, 1, 12, 1, 1, 1, 1) COVAL(UPSTRM ,POT , FIXVAL ,280. ) PATCH(DWNSTRM ,HIGH , 1, 8, 1, 12, 20, 20, 1, 1) COVAL(DWNSTRM ,POT , FIXVAL ,0. ) XCYCLE = F EGWF = T WALLCO = GRND2 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 3 ;ISWC1 = 1 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SELREF = T RESFAC =1.0E-05 ************************************************************ Group 16. Terminate Iterations LITER(POT)=-100 ENDIT(POT)=1.0E-03 ************************************************************ Group 17. Relaxation RELAX(P1,LINRLX,1.) RELAX(U1,LINRLX,1.) RELAX(V1,LINRLX,1.) RELAX(W1,LINRLX,1.) RELAX(PRPS,LINRLX,1.) RELAX(POT,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(W1)=1.0E+06 ;VARMIN(W1)=-1.0E+06 VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10 VARMAX(POT)=1.0E+10 ;VARMIN(POT)=-1.0E+10 ************************************************************ Group 19. Data transmitted to GROUND POTVEL = T PARSOL = F ISG62 = 1 CSG3 ='CNGR' SPEDAT(SET,GXMONI,PLOTALL,L,T) SPEDAT(SET,MATERIAL,199,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,N,N,N) OUTPUT(U1,Y,N,N,N,N,N) OUTPUT(V1,Y,N,N,N,N,N) OUTPUT(W1,Y,N,N,N,N,N) OUTPUT(PRPS,Y,N,Y,N,N,N) OUTPUT(POT,Y,N,N,N,N,N) ************************************************************ Group 22. Monitor Print-Out IXMON = 5 ;IYMON = 5 ;IZMON = 5 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 = -1 ;IYPRF = 1 ;IYPRL = 10000 NZPRIN = -1 ;IZPRF = 4 ;IZPRL = 13 XZPR = F ;YZPR = T IPLTF = 1 ;IPLTL = -1 ;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 PATCH(PROFILE ,PROFIL, 7, 7, 6, 6, 1, 20, 1, 1) PLOT(PROFILE ,U1 ,0. ,0. ) PLOT(PROFILE ,V1 ,0. ,0. ) PLOT(PROFILE ,W1 ,0. ,0. ) PLOT(PROFILE ,POT ,0. ,0. ) PATCH(XEQ1 ,CONTUR, 1, 1, 1, 12, 1, 20, 1, 1) PLOT(XEQ1 ,U1 ,0. ,20. ) PLOT(XEQ1 ,V1 ,0. ,20. ) PLOT(XEQ1 ,W1 ,0. ,20. ) PLOT(XEQ1 ,POT ,0. ,20. ) PATCH(XEQ5 ,CONTUR, 1, 1, 1, 12, 1, 20, 1, 1) PLOT(XEQ5 ,W1 ,0. ,20. ) PLOT(XEQ5 ,POT ,0. ,20. ) PATCH(WAKE ,CONTUR, 1, 8, 1, 12, 15, 15, 1, 1) PLOT(WAKE ,W1 ,0. ,20. ) ************************************************************ Group 24. Dumps For Restarts SAVE = T ;NOWIPE = F NSAVE =CHAM STOP