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本文采用理想刚塑性材料模型研究了在强动载荷作用下梁的塑性动力响应,发现对于变截面梁,塑性被处的剪力一般叶以不等于零。本文对阶跃载荷和冲击载荷给出了几个例子。
In this paper, an ideal rigid-plastic material model is used to study the plastic dynamic response of a beam subjected to strong dynamic loads. It is found that for a variable cross-section beam, the shear force at which the plastic is placed is generally not equal to zero. This article gives several examples of step loads and shock loads.