发布于：2008-01-06 22:15:06
来自：建筑结构/ANSYS
[复制转发]
这是一个预应力混凝土梁，我想算他的极限荷载，想分荷载步加力，第一步加的是预应力，第二步加的是重力，从第三步开始加力，但是加到第八步的时候就不收敛了，怎么调都不收敛，但是上面的混凝土还没有压坏，好像是发生屈曲破坏！我估计总共的力可以加到-4000，但是现在就才加到-2500。
因为我觉得这个是弹塑性分析，所以必须分荷载步加
还是加力的时候可以在一个荷载步加呀？
请高手指点指点
本人现在做论文,很着急,天天做电脑边,累死了.都抓狂了啊.希望得到高手指点迷津,帮我走出困境.谢谢了.
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superhaiyang0
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asel,s,loc,z,0,
2008-01-06 22:18:06
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superhaiyang0
板凳
type,1
2008-01-06 22:18:06
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加载更多DA,all,SYMM
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