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- 2002-5-31
- 仿真币
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- 最后登录
- 1970-1-1
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因为需要作屈曲分析,所以想先把方法过一下,作了一个小例子,可是
结果却很不理想,不知道时不时过程有什么问题,希望各位指点一下
*heading
test
*node
1,0,0,0
11,0,100,0
12,0.5,0,0
22,0.5,100,0
*ngen,nset=first
1,11,1
*ngen,nset=second
12,22,1
*nfill
first,second,1,11
*element,type=cps4
1,12,13,2,1
*elgen,elset=elall
1,10,1,1
*solid section,material=stell,elset=elall
0.5
*material,name=stell
*elastic
30E6,.3
*BOUNDARY
1,pinned
12,pinned
*step
*buckle
1
*cload
11,2,-0.5
22,2,-0.5
*Restart, write, frequency=1
*Output, field, variable=PRESELECT
*El Print, freq=999999
*Node Print, freq=999999
*End Step
abaqus 计算结果是
MODE NO EIGENVALUE
1 5992.6
而理论是38.553, |
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