多体动力学仿真橡胶衬套径向-扭转耦合集总参数模型

MATEC Web of Conferences Pub Date : 2023-01-01 DOI:10.1051/matecconf/202338201023

Chang Cao, Xingxing Feng, Min Liu

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引用次数: 0

摘要

橡胶衬套的本构模型包括有限元模型和集总参数模型。一般情况下，有限元模型不能直接用于含衬套的机械多体系统，且集总参数模型不能考虑衬套变形的耦合模式。为此，提出了考虑径向-扭转耦合变形的橡胶衬套二维集总参数模型，该模型易于应用于机械多体系统。采用有限元法对橡胶衬套进行了径向-扭转耦合变形的数值模拟。给出了一种确定模型参数的方法。将所提出的耦合衬套模型与传统的一维衬套模型应用于一个简单的多体系统，并进行了比较。仿真结果显示了轴套的径向-扭转耦合特性。

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A coupled radial-torsional lumped parameter model of rubber bushing for multibody dynamic simulations

Many constitutive models’ finite element (FE) models and lumped parameter models included have been presented for rubber bushings. In general, the FE models cannot be directly used in mechanical multibody systems with bushings, and the lumped parameter models can not consider the coupled modes of deformation of bushings. For this reason, a two-dimensional lumped parameter model for rubber bushings is presented, which considers the coupled radial-torsional deformation and can be easily implemented into mechanical multibody systems. FE method is used to simulate the rubber bushing subjected to a coupled radial-torsional deformation. A procedure to determine the model parameters is presented. The proposed coupled bushing model and a traditional one-dimensional bushing model are applied into a simple multibody system and compared. Simulation results show the coupled radial-torsional behavior of the bushing.

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来源期刊

MATEC Web of Conferences

自引率

0.00%

发文量

342

审稿时长

6 weeks

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