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圆柱壳在轴压冲击载荷下的非对称屈曲分析

Li Liu,Tuguang Liu,Tianyun Li,Songqing Jiang

JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNIOLOGY（1999）

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Abstract
研究了轴向时变冲击载荷作用下的圆柱壳非轴对称弹塑性动力屈曲问题.采用Karman-Donnell运动方程,本构关系采用增量理论,借助增量数值计算方法求解运动方程.计算表明:初始屈曲发生时,圆柱壳的变形模态呈轴对称性形式,而屈曲发生到一定程度时,圆柱壳就会发生非对称性的变形,而且变形相当明显.
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