greenhh 发表于 2009-4-20 11:12

求助:正弦变化载荷(频率一定)下的模型应力响应问题

要求:正弦变化载荷(频率一定)时候的模型的应力响应。
模型:空心圆锥筒(选了SHELL63单元,厚度10mm,上端2m,下端1.1m)
约束:上端固定
载荷: 在圆锥从下面算1/3处的两个对称节点施加正弦载荷y=8000sin(14000*20*π*t/60),两个点方向相反

求解后,在post26里看施加载荷的节点的时候,最大值和最小值的位移(比如说UZ)是一样的,也就是位移曲线是个点。


结果很奇怪,不知道问题出在哪里了。(瞬态分析)

[ 本帖最后由 greenhh 于 2009-4-20 11:14 编辑 ]

16443 发表于 2009-4-20 14:08

可能是时间轴设置的问题。
把全部命令留贴出来

greenhh 发表于 2009-4-20 15:33

回复 楼主 greenhh 的帖子

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SAVE
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FILE,'sieve','rst','.'
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NUMVAR,200
SOLU,191,NCMIT
STORE,MERGE
FILLDATA,191,,,,1,1
REALVAR,191,191
NPLOT   
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!*
NSOL,2,896,U,X,UX_0
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!*
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FINISH
/POST26
NUMVAR,200
FILLDATA,191,,,,1,1
REALVAR,191,191
XVAR,1
PLVAR,2,
XVAR,1
PLVAR,3,
SAVE
SAVE
SAVE
FINISH
/PREP7
!*
FINISH
! /EXIT,ALL

16443 发表于 2009-4-20 16:00

你这是log文件啊,让人怎么看

greenhh 发表于 2009-4-20 16:12

回复 地板 16443 的帖子

呀,刚学ANSYS,对命令流不清楚,怎么弄啊,虚心求教
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