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。

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The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.

给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。

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Firstly, after depicting the singularity of stress field at the top of crack, the finite element method to calculate stress intensity factor of plain fracture problems is founded.

首先，对反射裂缝尖端应力场的奇异性进行了描述，建立了平面断裂问题应力强度因子的有限单元解。

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