The relative equation between stress intensity factor and displacement field near interface crack tip of bimaterials was derived firstly.
首先推导了双材料界面裂纹尖端的位移场和应力强度因子之间的关系式。
The crack tip stress-strain field of elastic-plastic materials are analysed by finite element method in the plane stress condition.
用有限元方法对平面应力条件下弹塑性材料的裂纹尖端应力应变场进行了计算。
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.
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。
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