This paper introduces the type of cracks and the singularity of stress filed at crack tip.
介绍了裂纹的类型、裂纹尖端应力场的奇异性。
The stress and strain singularity exponent of crack-tip field is given by means of the asymptotic analysis.
通过量级分析，给出了尖端场的应力应变奇异性指数。
With the method of asymptotic and variable separation, the stress singularity near the conic-shaped crack tip at a bi-material interface is fulfilled.
据此利用渐近展开和分离变量相结合的方法对裂尖奇异性指数的变化进行了分析。
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