With the theory of elasticity, a model of induced stress field is established for primary fracture and the analytic solution is achieved by semi - retro-solution method.
应用弹性力学理论，建立了油气井中初次人工裂缝的诱导应力模型；并采用半逆解法得到初次人工裂缝诱导的应力场的解析解。
The results in change of in-situ temperature field and the influences of induced stress due to thermal stress field on the initial fracture condition are analyzed.
据此，分析了这些变化导致的热应力引起的附近应力对注水井井壁开裂条件的影响，并建立了常注水量条件下注水井的井壁开裂准则。
The propagation of blast wave through the linear explosive charge is an important factor which influences the characteristics of the blast stress field induced by the linear explosive charge.
爆轰波沿装药轴线方向的传播是影响条形药包爆炸应力场特征的重要因素。
In the material with relatively low cross-linking density, extensive fracture process stripe is formed which is induced by the combined stress field near the rubber particles.
在交联密度较低的材料中，在橡胶颗粒附近叠加的应力场诱发下发生纵深度较大的断裂过程。
The orientation of the induced hydrofractures arc controlled by the mutually perpendicular orientations of the maximum and minimum principal stress components of in situ stress field.
人工裂隙的方向受地应力场中两个相互垂直的主应力分量—最大主应力和最小主应力的制约。
The orientation of the induced hydrofractures arc controlled by the mutually perpendicular orientations of the maximum and minimum principal stress components of in situ stress field.
人工裂隙的方向受地应力场中两个相互垂直的主应力分量—最大主应力和最小主应力的制约。
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