【求助】热应力直接耦合和间接耦合的区别
/filname,007/prep7
et,1,55
mp,kxx,1,350
mp,c,1,390
mp,dens,1,8899
rectng,-0.025,0.025,0,0.05
cyl4,0,0.025,0.0075
ASBA,1,2
mshkey,0
esize,0.001
amesh,ALL
sfl,3,hflux,4000000
alls
lsel,,,,5,8
nsll,s,1
sf,all,conv,6725,25
alls
finish
/solu
antype,trans
tunif,25
time,30
timint,on
deltim,1,1,1
autots,on
ddelet,all,temp
outres,all,1
solve
finish
save
/PREP7
ETCHG,TTS
mp,nuxy,1,0.343
mptemp
mptemp,1,20,100,300,500,700
mpdata,ex,1,,1.34e11,1.28e11,1.14e11,0.99e11,0.83e11
mptemp
mptemp,1,20,100,300,500,700
mpdata,alpx,1,,16.84e-6,17.03e-6,17.66e-6,18.352e-6,19.60e-6
alls
FINISH
/SOLU
tref,20
alls
*do,i,1,30
time,i
LDREAD,TEMP,,,i,0,'007','rth',' '
solve
*enddo
finish
save
/post1
PLNSOL, EPTT,EQV, 0,1.0
/filname,002
/prep7
et,1,13
KEYOPT,1,1,4
mp,kxx,1,350
mp,c,1,390
mp,dens,1,8899
mp,nuxy,1,0.343
mptemp
mptemp,1,20,100,300,500,700
mpdata,ex,1,,1.34e11,1.28e11,1.14e11,0.99e11,0.83e11
mptemp
mptemp,1,20,100,300,500,700
mpdata,alpx,1,,16.84e-6,17.03e-6,17.66e-6,18.352e-6,19.60e-6
rectng,-0.025,0.025,0,0.05
cyl4,0,0.025,0.0075
ASBA,1,2
mshkey,0
esize,0.001
amesh,ALL
sfl,3,hflux,4000000
alls
lsel,,,,5,8
nsll,s,1
sf,all,conv,6725,25
alls
finish
/solu
antype,trans
tunif,25
time,30
timint,on
deltim,1,1,1
autots,on!
ddelet,all,temp
outres,all,1
solve
finish
问题:
1.一样的计算,怎么2中方法差别这么大?我的那种错了?
2. 3D的热应力,直接和间接方法用什么单元? 俺也曾经被直接耦合和间接耦合困扰过,不过后来间接方法计算的结果明显不正确就利用直接法计算了,现在也没弄懂他俩之间的关系,希望高手们给以解答,学习下 同命相连啊,我现在也是觉得好像是直接耦合的对!!
另外,直接耦合的显示温度分布时,能让模型不变形吗? 大家来看看! 谁来指点下,问题1,2,3 新的一周了,大家看看啊 :'(:'(:'(:'(:'( 区别区别,我不是在灌水 怎么还是没人回答啊 看来我的问题也有一些人在困惑,呼唤帮助 新的一周,新的开始 我也困扰:Q 期待高手解答 mark............................. 来看看哈! 面对着明显的问题却无法解决,困惑啊 也遇到这个问题,直接耦合单元做的,温度场要比单独计算温度时要低很多,不知道什么原因 好长时间没有人来解答问题了,版主呢,谢谢大家都关注 我也很需要高手的帮助,如果能提供点帮助,是很有意思的事情啊
单元solid70和solid45 间接耦合热分析单元solid70 结构分析solid45 神啊,来的都是带着问题来的,就是没人解决啊
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