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modian0131

铁虫 (初入文坛)

[求助] 请教点面热辐射问题。(温度不向内部传递)

点到面热辐射。我的麻烦是:里头温度为什么上不去,已定义了导热系数???
命令流如下



finish
/clear

/PREP7
ET,1,PLANE55
ET,2,SURF151

KEYOPT,2,4,1
KEYOPT,2,5,1
KEYOPT,2,9,1

R,1,.6,5.67e-8, , ,

RMORE, , , , , ,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,KXX,1,,50
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,C,1,,500
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,1500
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EMIS,1,,0.85


k,1,-0.75,0.15,0
k,2,-0.25,0.25,0
k,3,0.3,0.1,0  
k,4,0.8,0.25,0
k,5,1.45,0.2,0
k,6,-0.75,-0.55,0  
k,7,1.45,-0.55,0
k,8,0.5,0.5,0

bsplin,1,2,3,4,5
a,1,5,7,6

lsel,s,,,1
lesi,all,,,25

lsel,s,,,2
lesi,all,,,8

TYPE,  1  
MAT,    1
REAL,  1  

MSHAPE,0,2D
MSHKEY,1

AMESH,all  

NKPT,0,      8

*get,nmax,node,,num,max

lsel,s,,,1
nsll,s,1
nsel,a,,,nmax

TYPE,  2  
MAT,      1
REAL,      1  
TSHAP,LINE
ESURF,nmax


ALLSEL,ALL

D,nmax,TEMP,500

lsel,s,,,3
nsll,s,1
d,all,temp,300
alls


FINISH
/SOLU  
ANTYPE,0
tunif,300
NROPT,FULL, ,  

OUTRES,ALL,ALL,
TIME,1
AUTOTS,1
NSUBST,10,1000,5,1
kbc,1
alls  
SOLVE  
FINISH
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