TALK=T;RUN(1,1)
DISPLAY
SOLID-PROPELLANT ROCKET
3-dimensional, Polar, steady, elliptic simulation
Demonstration of flow in an idealised 3D solid-propellant rocket
with a (roughly) star-shaped charge.
^y __--__ -------------------- ^y
| / | \--solid solid |
+--->x \ \ / propellant propellant +--->z
\ \/ --------------------
\/ --------------------
Time required for complete run appx. 1.5 min on PC/486-33
enddis
PHOTON USE
p
view z
gr ou z 1
msg Gas-velocity vectors
vec z 5 sh
msg -
msg Press to continue
pause
vec off;red
msg W1 contours at iz = nz/2
gr ou x 1;con w1 z 5 fi;0.001
msg -
msg Press to continue
pause
con off
view x
msg pressure contours at ix=1
con p1 x 1 fi;0.001
msg -
msg Press to continue
pause
con off;red
msg velocity vectors at ix = 1
vec x 1 sh
msg -
msg Press to continue
pause
vec off;gr off;red
gr ou x m;view 1 -10 0
vec x m sh
msg velocity vectors at ix=nx
msg -
msg Press e to END
enduse
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************
TEXT(3D Solid-Propellant Rocket )
************************************************************
************************************************************
IRUNN = 1 ;LIBREF = 895
************************************************************
Group 2. Time dependence
STEADY = T
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = F
NX = 10
XULAST =1.
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 = 10
YVLAST =1.0E-02
YFRAC(1)=0.1 ;YFRAC(3)=0.3
YFRAC(5)=0.5 ;YFRAC(7)=0.7
YFRAC(9)=0.9
************************************************************
Group 5. Z-Direction Grid Spacing
PARAB = F
NZ = 10
ZWLAST =0.1
ZFRAC(1)=0.1 ;ZFRAC(6)=0.6
************************************************************
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(149)=PRPS
* 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(W1,Y,Y,N,N,N,Y)
SOLUTN(PRPS,Y,N,N,N,N,N)
PRPS = 149
************************************************************
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(W1,Y,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-05 ;ENUT =0.
PRNDTL(U1)=1. ;PRNDTL(V1)=1.
PRNDTL(W1)=1.
PRT(U1)=1. ;PRT(V1)=1.
PRT(W1)=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)=0.1
FIINIT(PRPS)=-1.
PATCH(PROP ,INIVAL, 6, 10, 6, 10, 1, 10, 1, 1)
INIT(PROP ,PRPS,0. ,198. )
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(WALL ,NWALL , 1, 2, 10, 10, 1, 10, 1, 1)
COVAL(WALL ,U1 ,1. ,0. )
COVAL(WALL ,W1 ,1. ,0. )
PATCH(IN ,NORTH , 1, 5, 10, 10, 1, 10, 1, 1)
COVAL(IN ,P1 , FIXFLU ,0.1 )
COVAL(IN ,U1 ,0. ,0. )
COVAL(IN ,V1 ,0. ,0. )
COVAL(IN ,W1 ,0. ,0. )
PATCH(IN2 ,WEST , 5, 5, 6, 10, 1, 10, 1, 1)
COVAL(IN2 ,P1 , FIXFLU ,0.1 )
PATCH(IN3 ,NORTH , 6, 10, 5, 5, 1, 10, 1, 1)
COVAL(IN3 ,P1 , FIXFLU ,0.1 )
PATCH(OUTLET ,HIGH , 1, 10, 1, 5, 10, 10, 1, 1)
COVAL(OUTLET ,P1 , FIXVAL ,0. )
COVAL(OUTLET ,V1 ,0. ,0. )
COVAL(OUTLET ,W1 ,0. ,0. )
XCYCLE = F
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 300 ;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(W1)=10
ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03
ENDIT(V1)=1.0E-03 ;ENDIT(W1)=1.0E-03
************************************************************
Group 17. Relaxation
RELAX(P1,LINRLX,1.)
RELAX(U1,FALSDT,1.)
RELAX(V1,FALSDT,0.1)
RELAX(W1,FALSDT,0.1)
RELAX(PRPS,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(W1)=1.0E+06 ;VARMIN(W1)=-1.0E+06
VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10
************************************************************
Group 19. Data transmitted to GROUND
PARSOL = F
ISG62 = 1
SPEDAT(SET,GXMONI,PLOTALL,L,T)
SPEDAT(SET,MATERIAL,198,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(W1,Y,N,Y,Y,Y,Y)
OUTPUT(PRPS,Y,N,Y,N,N,N)
************************************************************
Group 22. Monitor Print-Out
IXMON = 1 ;IYMON = 5 ;IZMON = 5
NPRMON = 20 ;NPRMNT = 1 ;TSTSWP = -1
UWATCH = T ;USTEER = T
HIGHLO = F
************************************************************
Group 23.Field Print-Out & Plot Control
NPRINT = 100000 ;NUMCLS = 5
NXPRIN = -1 ;IXPRF = 1 ;IXPRL = 10000
NYPRIN = 2 ;IYPRF = 1 ;IYPRL = 10000
NZPRIN = 5 ;IZPRF = 1 ;IZPRL = 10000
XZPR = F ;YZPR = F
IPLTF = 1 ;IPLTL = 300 ;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(EXIT ,PROFIL, 1, 1, 1, 10, 9, 9, 1, 1)
PLOT(EXIT ,W1 ,0. ,0. )
PATCH(PIPE ,CONTUR, 1, 1, 1, 10, 1, 10, 1, 1)
PLOT(PIPE ,W1 ,0. ,10. )
************************************************************
Group 24. Dumps For Restarts
SAVE = T ;NOWIPE = F
NSAVE =CHAM
STOP