碟形扁壳在均布载荷下的非线性稳定分析<sup>*</sup>

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碟形扁壳在均布载荷下的非线性稳定分析^*

基金项目: * 国家自然科学基金

摘要: 本文对碟形扁壳的非线性稳定问题进行了分析.用修正迭代法得到了弹性特征的二次近似表达式,给出了一组算例,并讨论了参数β和k对稳定特性的影响.
- 碟形扁壳 /
- 非线性稳定 /
- 修正迭代法
Abstract: A theoretical analysis is presented for the snap-buckling behaviour of dished shallow shells under undorm loads. By means of the modified iteration method, the second approximate formula of elastic behaviour and a set of numerical solutions aregiven. And effects of parameters β and k on the snap-buckling behaviour are discussed.
- dished shallow shells /
- snap-buckling /
- modified iteration method

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