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高温带钢的局部宽度内压屈曲及后屈曲分析

Chinese Journal of Mechanical Engineering(2005)

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Abstract
根据工业生产中最主要8种带钢浪形(即板形缺陷)的浪形函数和其对应的带钢纵向不均匀伸长率的横向分布,抽象出产生此浪形的局部内压屈曲过程的位移函数和端边界外力条件,然后分别运用弹性薄板小位移理论和大位移理论建立了屈曲和后屈曲变形模型,并使用能量法进行了求解.在过去对常温态带钢此类问题研究的基础上,对高温态带钢的此类屈曲变形进行理论分析和数值计算,获得了各种工况下的屈曲条件和瓢曲生成路径.
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Key words
buckling/postbuckling,flatness defect,high temperature,part width,strip
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