循环载荷下波纹管应变累积及平面失稳

The strain accumulation and in-plane instability of bellows under cyclic displacement loads

采用非线性有限元分析的方法 ,探讨了在内压和轴向循环位移联合作用下 ,U形无加强波纹管中的塑性应变累积状况 。

The Finite Element Analysis is presented to find out the plastic strain accumulation status of non reinforced U shape bellows under cyclic displacement loads. And, the criterion on in plane instability of non reinforced U shape bellows is improved according to these calculation results.