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HIGHER ORDER SINGULAR TERMS AND J -INTEGRAL FORMULATIONS[J]. Chinese Journal of Theoretical and Applied Mechanics, 1997, 29(2): 203-214. DOI: 10.6052/0459-1879-1997-2-1995-216
Citation: HIGHER ORDER SINGULAR TERMS AND J -INTEGRAL FORMULATIONS[J]. Chinese Journal of Theoretical and Applied Mechanics, 1997, 29(2): 203-214. DOI: 10.6052/0459-1879-1997-2-1995-216
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HIGHER ORDER SINGULAR TERMS AND J -INTEGRAL FORMULATIONS

      Abstract
    • 从４种典型裂纹情况的特征展开式出发，运用其微分性质和伪正交性质得到了含有高阶奇异项的Ｊ积分表达式．它们是通用的显函数表征的．本研究支持了Ｈｕｉ和Ｒｕｉｎａ的杰出研究和重要观点，即高阶奇异项和非奇异项一样在小范围屈服描述中扮演着重要角色．研究表明，常规柔度方法确定的Ｊ积分已隐含了高阶奇异项的贡献．断裂准则有可能由含高阶奇异项和非奇异项的Ｊ积分的临界值来描述
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