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。
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.
通过分析，得到了运动学逆解的解析公式。
Analytical expression of inverse solution for kinematics equation is solved.
用简易坐标投影法计算了其位置分析的正、逆解析解。
The forward and inverse analytical solutions of its positional analysis were computed by the use of simple and easy coordinative projection.
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