Based on the theory of the viscoelastic rheological model, the coupled mechanical model of the soft rocks, the concrete sheath and the casing is developed.
以黏弹性流变模型理论为基础，建立软岩层、水泥环和套管流变耦合的力学模型。
Using magneto-rheological damper, semi-active control theory and method, mathematical model of a controllable magneto-rheological damping and nonlinear control system is established for seats.
采用磁流变阻尼器半主动控制理论和方法，建立座椅可控磁流变阻尼非线性控制系统的数学模型。
The constitutive equation of rock can be obtained by applying endochronic theory and Kelvin-Voigt rheological model;
岩石的本构方程可以应用内时理论和开尔文-伏尔特流变模型得到；
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