It is theoretically and practically important to spread widely the application of the Mindlin's stress formula.
对明氏解的推广应用具有重要的理论意义和长远的实用价值。
Based on the equivalent stress formula of the coiled tubing, the life prediction model was put forward and a semi-empiric formula for prediction …
现文利用等效应力建立了连续油管的疲劳寿命估计模型；
Tangential residual stress formula closely related to fatigue is verified. The result shows that theoretical calculation conforms to the test result.
对与疲劳寿命紧密相关的切向残余应力计算式进行了试验验证，结果表明：理论计算与试验结果基本符合；
The shearing-stress formula in curved beams can be derived by solving directly an integral equation, and the formula for radial stresses is also presented in this paper.
直接对曲梁剪应力的积分方程求解，导出了曲梁剪应力和径向应力的计算公式。
Based on it, the elastic wave velocity spatial distribution around a cased hole in tectonic stress field is studied by applying the velocity-stress formula of equivalent medium model.
在此基础之上，应用等效介质模型的速度—应力关系式，研究了地应力场中套管井周弹性波速的空间分布规律。
Based on it, the elastic wave velocity spatial distribution around a cased hole in tectonic stress field is studied by applying the velocity-stress formula of equivalent medium model.
在此基础之上，应用等效介质模型的速度—应力关系式，研究了地应力场中套管井周弹性波速的空间分布规律。
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