qingshuihuayu 发表于 2008-9-16 14:50:56

求助:计算当中输入膨胀系数后为什么没有相应的膨胀量(附命令流)

做的是热结构耦合,采用的间接法,为什么计算结果中没有膨胀量呢?计算当中输入膨胀系数后为什么没有相应的膨胀量。请高手指教,不胜感激!!!
/title,pile
/units,si
/prep7
et,1,plane55         
mp,kxx,1, 0.488*24*3600
mp,kxx,2,0.972*24*3600      
!建立模型
K,1,-10,0
K,2,10,0
K,3,10,-20
K,4,-10,-20
K,5,-0.5,0
K,6,0.5,0
K,7,-0.5,-8.6
K,8,0.5,-8.6
K,9,-10,-8.6
K,10,10,-8.6
A,1,5,7,9
A,5,6,8,7
A,6,2,10,8
A,9,10,3,4
AADD,1,3,4
allsel,all
numcmp,all
!赋属性并划分网格
ASEL,S,area,,1
AATT,2,1,1
lsla,s
lesize,all,0.2
mshape,0,2d
mshkey,1
amesh,all
ASEL,S,area,,2
AATT,1,1,1
lsla,s
lesize,all,0.2
mshape,0,2d
mshkey,2
amesh,all
!合并侧面土体上的重复单元及节点
allsel,all
aplot
esla,s
numcmp,all
/solu
allsel,all
NSLa,S,1
ic,ALL,TEMP,0
!施加边界条件
lSEL,S,LOC,y,-20
NSLl,S,1
F,all,heat,-12009.6
lSEL,S,LOC,X,10
lSEL,A,LOC,x,-10
NSLl,S,1
SF,ALL,HFLUX,0
lSEL,S,LOC,y,0
NSLl,S,1
D,ALL,TEMP,-1
ALLSEL,ALL
FINISH
!求解
/solu
solve
FINISH
/POST1
PLNSOL,TEMP
FINISH
/PREP7
ETCHG,TTS
mp,ex,1,2.5e8
mp,prxy,1,0.4
uimp,1,aply,,,82.48e-4
mp,ex,2,2.5e10
mp,prxy,2,0.2
uimp,2,aply,,,1.0e-5
FINISH
/SOLU
lSEL,S,LOC,y,-20
NSLl,S,1
D,all,ALL
lSEL,S,LOC,X,10
lSEL,A,LOC,x,-10
NSLl,S,1
D,ALL,UX,0
ALLSEL,ALL
ldread,temp,,,,,,rth
TREF,0
SOLVE
FINISH
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