【讨论】二维平面热辐射例子！
本帖最后由 yangyuebiao 于 2009-4-9 20:38 编辑!****************************前处理部分************************************
/prep7
et,1,plane55 !定义单元
et,2,surf151
KEYOPT,2,4,1
KEYOPT,2,5,1
KEYOPT,2,6,0
KEYOPT,2,7,1
KEYOPT,2,8,2
KEYOPT,2,9,1
mptemp,1,30,1000,1200,1509.6,1528.5,1600 !定义温度
mpdata,dens,1,1,7800,7405.93,7324.68,7200,7061,7061
!定义密度
mpdata,kxx,1,1,52,27,30,31.333,420,420 !定义钢的导热系数
mpdata,enth,1,1,158e6,5226.38e6,6271.41e6,7875e6,9320e6,9880e6
!定义钢的热焓
MP,EMIS,1,0.85
MP,EMIS,2,1
!*************几何模型建立及网格划分***************************************
cyl4,0.215,0.170,0,0,0.010,90,0 ! 定义圆角
rectng,0,0.215,0,0.170
rectng,0,0.215,0.170,0.180
rectng,0.215,0.225,0,0.170
aadd,all
numcmp,area
numcmp,line
lcomb,2,6
lcomb,3,7
numcmp,line
lesize,5,,,43
lesize,2,,,45
lesize,3,,,34
lesize,4,,,36
lesize,1,,,4
lsel,all
mat,1
amesh,1
TYPE,2
REAL,2
MAT,2
*GET,NN,NODE,,num,max
LSEL,S,,,5
NSLL,S,1
LSEL,a,,,1
NSLL,a,1
LSEL,a,,,4
NSLL,a,1
N,NN+1,0.3,0.375,0
ESURF,NN+1
N,NN+2,0.28,0.35,0
ALLSEL
SAVE
!**************************************************************************
!**************************************************************************
/AUX12
esel,s,type,,2
nsle,s,all
nsel,a,node,,NN+1
geom,1
EMIS,1,0.85
EMIS,2,1
STEF,5.67E-8
vtype,1
space,NN+2
write,casting
ALLSEL
FINISH
/prep7
DOF,TEMP
et,3,matrix50
KEYOPT,3,1,1
KEYOPT,3,6,0
type,3
se,casting
ALLSEL
FINISH
!**************************求解部分****************************************
/SOLU
antype,trans
TIME,5000
AUTOTS,1
DELTIM,1, , ,1
KBC,0
ALLSEL
CNVTOL,TEMP,,0.05,2
bfunif,temp,100
TOFFST,273
ALLSEL
d,NN+1,temp,27
KBC,1
NSUBST,2
OUTRES,all,ALL
outpr,nsol,last
SOLVE
finish *** ERROR *** CP = 8.531 TIME= 20:25:07
No elements for form factor matrix.
*** ERROR *** CP = 8.953 TIME= 20:25:11
Superelement file casting.sub is not available.
这是我调试时的错误大家帮帮忙？ 都在线等几天了，就没有好心人帮帮忙！！
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