均布边缘弯矩作用下圆薄板的弹塑性大挠度弯曲和皱曲

The Large Elastic-Plastic Deflectoin with Wrinkling of Circular Plates Subjected to Circumferential Moments

本文用半解析半数值的方法,分析求解了受均布边缘径向弯矩作用时圆薄板的弹塑性大挠度轴对称弯曲及其非轴对称分叉,板的材料认为是弹-线性强化的。本文的方法简便有效,所得的结果揭示了一些重要的力学性质,为深入了解双向应力状态下板的弯曲和屈曲提供了新的材料。

The paper analyses the large elastlic-plastic axisymmetric deflection with nonaxisymmetric bifurcation deformation by an approach of combining analytical and numerical methods. The material behavior of the plates is considered as an elasticlinearly plastic one. It shows that the present approach is simple and efficient. The paper reveals some important mechanics features of the problem and provides valuable materials for a further understanding of bending and buckling of plates under various biaxial stress states.