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首页> 外文会议>American Society of Mechanical Engineers(ASME)/Society of Tribologists and Lubrication Engineers(STLE) International Joint Tribology Conference; 20071022-24; San Diego,CA(US) >ELASTOHYDRODYNAMIC LUBRICATION ANALYSIS OF A RADIALY ADJUSTABLE PARTIAL ARC BEARING USING FLUID STRUCTURE INTERACTION
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ELASTOHYDRODYNAMIC LUBRICATION ANALYSIS OF A RADIALY ADJUSTABLE PARTIAL ARC BEARING USING FLUID STRUCTURE INTERACTION

机译：基于流体结构相互作用的径向可调节局部弧轴承的弹性水动力润滑分析

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摘要

Conventional method of performing Elasto- hydrodynamic Lubrication (EHL) analysis on a partial arc bearing involves simplification of actual physical model and developing complex codes. This paper presents the overall EHL analysis of a radialy adjustable single 60° partial arc bearing using the sequential application of Computational Fluid Dynamics (CFD) and Computational Structural Dynamics (CSD). Here the coupled field analysis uses the capabilities of commercially available Finite Element Software ANSYS/FLOTRAN and the technique of Fluid Structure Interaction (FSI). The pressure field has been obtained using CFD considering the flow to be laminar. Stress distribution and deformation in the pad due to resulting pressure force is obtained using Finite Element Method (FEM), satisfying the boundary conditions. The stress distribution indicates the critical points in the pad. In this paper the static characteristics of radialy adjustable single 60° partial arc bearings are predicted for different eccentricity ratios and length to diameter (L/D) ratios. The results show reasonable agreement in general.
机译：在部分弧形轴承上执行弹性流体动力润滑（EHL）分析的常规方法包括简化实际物理模型并开发复杂的代码。本文介绍了按顺序应用计算流体力学（CFD）和计算结构动力学（CSD）的径向可调节的单个60°部分弧形轴承的整体EHL分析。在此，耦合场分析使用了商用有限元软件ANSYS / FLOTRAN的功能以及流体结构相互作用（FSI）技术。考虑到层流，已经使用CFD获得了压力场。满足边界条件的有限元方法（FEM）获得了由于产生的压力而导致的垫片中的应力分布和变形。应力分布指示垫中的临界点。在本文中，针对不同的偏心比和长径比（L / D），预测了径向可调节的单个60°部分弧形轴承的静态特性。结果表明总体上是合理的。

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