Interactions between different cracks and the stress intensity factors for different crack surface forms are calculated, and theeffect of the distance and the angle on the stress intensity factor is analyzed.

• 算例计算了多种情况下裂纹之间的相互作用，分别给出了不同裂面状态下的应力强度因子，分析了各种情况下裂纹间的距离、夹角等因素对应力强度因子的影响。