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三维冲击载荷下半无限裂纹的动态应力强度因子
Authors
李湘平
柳春图
Publication date
15 March 1994
Publisher
Abstract
本文分析了无界弹性体中含一半无限裂纹;在裂纹面上受一对距离裂纹尖端为L的冲击集中载荷作用的三维应力强度因子历史;求得了Ⅰ型应力强度因子的精确解;求解方法基于积分变换法、Wiener-Hopf技术以及Cagniard-de Hoop变换的直接应用;由于问题包含一特征长度L;在以前被认为是难以解决的。本文还讨论了解的某些性质并给出了数值结果
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 11/06/2018