求助:大家帮忙看看我的一个算例是否正确. 急
一个方体内部中间位置处是一个热源,方体下部两根管子,左边为进气管,右边为出气管(二维模型)。
边界条件设置情况如下:
热源生热率为100000w/m3,边界无滑移设置,进气管处:压力为100p,温度设置298k,设置define/apply
/fluidcfd/velocity/VY=0,出口处:流速设置与进气口相同,出口压力为0。
疑问:在进气口和出气处的速度怎么设置?我参考一本书上是设置VY=0,可是模型中y方向为气体流进方向,为何设置为0呢??????
以下是我的命令流:请大家帮我看看,指点一下啊,急用
/NOPR
/PMETH,OFF,0
KEYW,PR_SET,1
KEYW,PR_STRUC,0
KEYW,PR_THERM,0
KEYW,PR_FLUID,0
KEYW,PR_ELMAG,0
KEYW,MAGNOD,0
KEYW,MAGEDG,0
KEYW,MAGHFE,0
KEYW,MAGELC,0
KEYW,PR_MULTI,0
KEYW,PR_CFD,1
/GO
/PREP7
ET,1,FLUID141
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,KXX,2,,12
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,C,2,,800
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,2,,1200
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EMIS,1,,1
RECTNG,0,1,0,1,
RECTNG,0.4,0.6,0.4,0.6,
wpoff,0.1,0
RECTNG,-0.05,0.05,0,-0.05,
WPCSYS,-1,0
wpoff,0.5,0
FLST,3,1,5,ORDE,1
FITEM,3,3
CSYS,4
FLST,3,1,5,ORDE,1
FITEM,3,3
ARSYM,X,P51X, , , ,0,0
FLST,2,2,5,ORDE,2
FITEM,2,1
FITEM,2,-2
AOVLAP,P51X
FLST,2,3,5,ORDE,2
FITEM,2,3
FITEM,2,-5
AADD,P51X
FLST,2,2,5,ORDE,2
FITEM,2,1
FITEM,2,-2
AGLUE,P51X
CM,_Y,AREA
ASEL, , , , 2
CM,_Y1,AREA
CMSEL,S,_Y
!*
CMSEL,S,_Y1
AATT, 2, , 1, 0,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
CM,_Y,AREA
ASEL, , , , 1
CM,_Y1,AREA
CMSEL,S,_Y
!*
CMSEL,S,_Y1
AATT, 1, , 1, 0,
CMSEL,S,_Y
CMDELE,_Y
CMDELE,_Y1
!*
! alist, all
SMRT,6
SMRT,3
MSHAPE,0,2D
MSHKEY,0
!*
CM,_Y,AREA
ASEL, , , , 2
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
SMRT,4
CM,_Y,AREA
ASEL, , , , 1
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
!*
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
SMRT,2
CM,_Y,AREA
ASEL, , , , 2
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
ACLEAR,_Y1
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
MSHAPE,1,2D
!*
CM,_Y,AREA
ASEL, , , , 2
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
ACLEAR,_Y1
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!*
SMRT,4
CM,_Y,AREA
ASEL, , , , 1
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
ACLEAR,_Y1
AMESH,_Y1
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
FLDATA1,SOLU,TRAN,1
FLDATA1,SOLU,FLOW,1
FLDATA1,SOLU,TEMP,1
FLDATA1,SOLU,TURB,0
FLDATA1,SOLU,COMP,0
FLDATA1,SOLU,VOF,0
FLDATA1,SOLU,SFTS,0
FLDATA1,SOLU,IVSH,0
FLDATA1,SOLU,SWRL,0
FLDATA1,SOLU,SPEC,0
FLDATA1,SOLU,ALE,0
FLDATA1,SOLU,RDSF,1
!*
! /COM,,Transient Analysis,1
*SET,_z4,-999
*SET,_z14,1
FLDATA4,TIME,STEP,1,
FLDATA4,TIME,ISTEP,0
FLDATA4,TIME,NUMB,300,
FLDATA4,TIME,TEND,1.0e06
FLDATA4,TIME,GLOB,15,
FLDATA4,TIME,VX,0.01,
FLDATA4,TIME,VY,0.01,
FLDATA4,TIME,VZ,0.01,
FLDATA4,TIME,PRES,1e-006,
FLDATA4,TIME,TEMP,1e-006,
FLDATA4,TIME,ENKE,0.01,
FLDATA4,TIME,ENDS,0.01,
FLDATA4A,STEP,OVER,0,
FLDATA4,TIME,OVER,0
FLDATA4A,STEP,APPE,0,
FLDATA4,TIME,APPE,1.0e6
FLDATA4A,STEP,SUMF,10,
FLDATA4,TIME,SUMF,1.0e6
FLDATA4,TIME,BC,0
FLDATA4,TIME,TEND,1000000,
!*
FLDATA12,PROP,DENS,4
FLDATA13,VARY,DENS,1
FLDATA12,PROP,VISC,4
FLDATA13,VARY,VISC,0
FLDATA12,PROP,COND,4
FLDATA13,VARY,COND,0
FLDATA12,PROP,SPHT,4
FLDATA13,VARY,SPHT,0
FLDATA7,PROT,DENS,AIR-SI
FLDATA8,NOMI,DENS,-1
FLDATA9,COF1,DENS,0
FLDATA10,COF2,DENS,0
FLDATA11,COF3,DENS,0
FLDATA7,PROT,VISC,AIR-SI
FLDATA8,NOMI,VISC,-1
FLDATA9,COF1,VISC,0
FLDATA10,COF2,VISC,0
FLDATA11,COF3,VISC,0
FLDATA12,PROP,IVIS
FLDATA7,PROT,COND,AIR-SI
FLDATA8,NOMI,COND,-1
FLDATA9,COF1,COND,0
FLDATA10,COF2,COND,0
FLDATA11,COF3,COND,0
FLDATA7,PROT,SPHT,AIR-SI
FLDATA8,NOMI,SPHT,-1
FLDATA9,COF1,SPHT,0
FLDATA10,COF2,SPHT,0
FLDATA11,COF3,SPHT,0
ACEL,0,9.8,0,
FINISH
/SOL
! APLOT
FLST,2,1,4,ORDE,1
FITEM,2,9
/GO
DL,P51X, ,TEMP,298,1
FLST,2,1,5,ORDE,1
FITEM,2,2
/GO
!*
BFA,P51X,HGEN,100000
FLST,5,10,4,ORDE,7
FITEM,5,2
FITEM,5,-4
FITEM,5,10
FITEM,5,12
FITEM,5,14
FITEM,5,16
FITEM,5,-19
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
DL,_Y1, ,VX,0,1
DL,_Y1, ,VY,0,1
!*
CMDELE,_Y1
!*
FLST,5,1,4,ORDE,1
FITEM,5,9
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
/GO
!*
DL,_Y1, ,PRES,100,1
!*
CMDELE,_Y1
!*
FLST,5,1,4,ORDE,1
FITEM,5,13
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
!*
/GO
!*
DL,_Y1, ,PRES,0,1
!*
CMDELE,_Y1
!*
FLST,5,2,4,ORDE,2
FITEM,5,9
FITEM,5,13
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
DL,_Y1, ,VY,0,1
!*
CMDELE,_Y1
!*
FLST,5,2,4,ORDE,2
FITEM,5,9
FITEM,5,13
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
DLDELE,_Y1,VX
DLDELE,_Y1,VY
CMDELE,_Y1
!*
FLST,5,2,4,ORDE,2
FITEM,5,9
FITEM,5,13
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
DL,_Y1, ,VX,0,1
!*
CMDELE,_Y1
!*
FLDATA15,PRES,REFE,101350,
FLDATA16,BULK,BETA,1e+015,
FLDATA17,GAMM,COMP,1.4,
FLDATA14,TEMP,NOMI,298,
FLDATA14,TEMP,TTOT,293,
FLDATA14,TEMP,BULK,293,
TOFFSET,0,
!*
! STAT
SOLVE
! APLOT
FLST,5,2,4,ORDE,2
FITEM,5,9
FITEM,5,13
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
!*
!*
DLDELE,_Y1,VX
DLDELE,_Y1,VY
CMDELE,_Y1
FLST,5,2,4,ORDE,2
FITEM,5,9
FITEM,5,13
CM,_Y,LINE
LSEL,R, , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y
CMDELE,_Y
DL,_Y1, ,VY,0,1
!*
CMDELE,_Y1
SOLVE
FINISH
/POST1
! /SHOW,WIN32C
SET,FIRST
SET,,,,,,,2
FINISH
/POST26
FILE,'11','rfl','.'
/UI,COLL,1
NUMVAR,200
SOLU,191,NCMIT
STORE,MERGE
FILLDATA,191,,,,1,1
REALVAR,191,191
NSOL,2,505,TEMP, ,
FINISH
/POST1
! /SHOW,WIN32C
SET,FIRST
SET,,,,,,,2 这个结果是否正确啊??????
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