... 裂纹的基本类型(Basic Types of Crack) 裂纹尖端应力场(Crack-tip Stress Field) 裂纹扩展准则(Criterion for Crack Propagation) ...
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介绍了裂纹的类型、裂纹尖端应力场的奇异性。
This paper introduces the type of cracks and the singularity of stress filed at crack tip.
从裂纹尖端应力场和裂纹扩展两个方面，阐述了功能梯度材料弹性断裂分析的研究方法和主要结论。
The research methods and main conclusions of FGMS fracture analysis are reviewed from the aspects of asymptotic fields near the crack tip and crack expansibility.
通过构造反向传播神经网络，对裂纹尖端的应力场进行模拟，进而实现对裂纹尖端应力场函数的逼近。
The stress field around the crack tip is simulated via the constructed Back-Propagation Neural Network (BPNN) whereby achieving the approximation of the stress field around the crack tip.
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