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Study of Nonlinear MHD Tribological Squeeze Film at Generalized Magnetic Reynolds Numbers Using DTM

机译:用DTM研究广义雷诺数的非线性MHD摩擦挤压膜。

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摘要

In the current article, a combination of the differential transform method (DTM) and Padé approximation method are implemented to solve a system of nonlinear differential equations modelling the flow of a Newtonian magnetic lubricant squeeze film with magnetic induction effects incorporated. Solutions for the transformed radial and tangential momentum as well as solutions for the radial and tangential induced magnetic field conservation equations are determined. The DTM-Padé combined method is observed to demonstrate excellent convergence, stability and versatility in simulating the magnetic squeeze film problem. The effects of involved parameters, i.e. squeeze Reynolds number (N 1), dimensionless axial magnetic force strength parameter (N 2), dimensionless tangential magnetic force strength parameter (N 3), and magnetic Reynolds number (Re m) are illustrated graphically and discussed in detail. Applications of the study include automotive magneto-rheological shock absorbers, novel aircraft landing gear systems and biological prosthetics.
机译:在当前的文章中,微分变换方法(DTM)和Padé逼近方法的结合用于解决一个非线性微分方程系统,该系统通过结合磁感应效应来建模牛顿磁性润滑剂挤压膜的流动。确定了转换后的径向和切向动量的解以及径向和切向感应磁场守恒方程的解。观察到DTM-Padé组合方法在模拟磁挤压膜问题时表现出出色的收敛性,稳定性和多功能性。图示并讨论了所涉及的参数(即挤压雷诺数(N 1),无量纲轴向磁力强度参数(N 2),无量纲切向磁力强度参数(N 3)和磁雷诺数(Re m)的影响。详细。该研究的应用包括汽车磁流变减震器,新颖的飞机起落架系统和生物假肢。

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