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碗碗儿2954

新虫 (小有名气)

应助: 0 (幼儿园)
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在线: 107.6小时
虫号: 2973004
注册: 2014-02-17
专业: 固体力学

[求助] ANSYS热辐射分析结果不收敛？带命令流

根据帮助文件VM192改写的命令流，为什么得不到温度云图？结果显示不收敛？

/filenam,1
/config,nres,1000000

! steel matrix:

kxx=50                ! thermal conductivity, W/(m_K)
dens=7850             ! density, kg/m^3
c=460                   ! specific heat, J/(kg_K）
emis=0.643             ! emission rate

! WC particles:

kxx1=127                ! thermal conductivity, W/(m_K）
dens1=15700             ! density, kg/m^3
c1=500                ! specific heat, J/(kg_K)

/prep7
SMRT,OFF
et,1,solid90,          ! WC

ET,2,SURF152,,,,1,1    ! 3-D THERMAL SURFACE EFFECT ELEMENTS
KEYOPT,2,9,1          ! RADIATION OPTION
R,2,1,0.1712E-8       ! FORM FACTOR = 1, STEFAN-BOLTZMANN CONSTANT

et,3,solid70,          ! steel

emunit,mks
MP,KXX,1,kxx
MP,C,1,c
MP,DENS,1,dens

MP,KXX,3,kxx1
MP,C,3,c1
MP,DENS,3,dens1

MP,EMIS,2,1          ! BLACK BODY EMISSIVITY

block,-0.56,0.56,-0.56,0.56,-0.56,0.56,
wpoffs,0,0,0.28,
sph4,-0.28,0.28,0,0.2,
sph4,0.28,0.28,0,0.2,
sph4,-0.28,-0.28,0,0.2,
sph4,0.28,-0.28,0,0.2,
wpoffs,0,0,-0.56,
sph4,-0.28,0.28,0,0.2,
sph4,0.28,0.28,0,0.2,
sph4,-0.28,-0.28,0,0.2,
sph4,0.28,-0.28,0,0.2,
wpoffs,0,0,0.28,
VOVLAP,all
numcmp,all
allsel

vsel,s,volu,,1,8,1,
mshape,1,3d
mshkey,0

TYPE,1
MAT,1
vmesh,all
nrefine,all
allsel

vsel,s,volu,,9,
mshape,1,3d
mshkey,0

TYPE,3
MAT,3
vmesh,all
allsel

TYPE,2
REAL,2
MAT,2
N,20000,1,1,1          ! EXTRA "SPACE" NODE FOR RADIATION
ESURF,20000          ! GENERATE SURF152 ELEMENTS
allsel

FINISH

/SOLU
SOLCONTROL,0
ANTYPE,TRANS          ! TRANSIENT ANALYSIS
D,20000,TEMP,1363    ! SPECIFY SURROUNDING ABSOLUTE TEMPERATURE
TUNIF,298             ! INITIAL material ABSOLUTE TEMPERATURE
AUTOTS,ON
KBC,1                ! STEP SURROUNDING TEMPERATURE IN FIRST TIME STEP
DELTIM,0.01          ! INITIAL (MINIMUM) INTEGRATION TIME STEP
OUTRES,ALL,ALL
OUTPR,NSOL,LAST
TIME,100             ! TRANSIENT TIME SPAN
SOLVE
FINISH

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