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首页> 外文期刊>Proceedings of the institution of mechanical engineers >New approach for the simulation of chain drive dynamics with consideration of the elastic environment
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New approach for the simulation of chain drive dynamics with consideration of the elastic environment

机译：考虑弹性环境的链传动动力学仿真新方法

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In the development and layout of timing chain drives for internal combustion engines, multi-body simulation is used to evaluate the chain drive in terms of both the acoustic and the dynamic behaviour. Owing to the complex structure of chain drives and surrounding components, the system cannot be described by analytical equations. The elastic behaviour of the single components can influence the dynamic and acoustic behaviour of the chain drive system and the timing system. This paper describes a new methodology for chain drive simulation with a full 3D representation of the chain drive and the option of a fully elastic consideration of the surrounding structures. The surrounding structures and components can be included in a fully elastic manner as finite element components in an arbitrary range. The described method allows the combination of typical multi-body components, such as chain links, with finite element structures. After presenting the strategy of modelling the chain drive as a combination of multi-body simulation and the finite element method, simulations are compared with conducted experiments for a simple two-sprocket chain drive. The simulation results show good agreement with the measurements.
机译：在内燃机正时链传动的开发和布局中，多体仿真用于评估链传动的声学和动态性能。由于链传动和周围部件的复杂结构，无法用解析方程来描述该系统。单个组件的弹性行为会影响链传动系统和正时系统的动态和声学行为。本文介绍了一种链传动仿真的新方法，其中包括链传动的完整3D表示以及对周围结构的完全弹性考虑的选项。周围的结构和部件可以以完全弹性的方式包括在任意范围内作为有限元部件。所描述的方法允许将典型的多体组件（例如链节）与有限元结构组合在一起。在提出了将链传动建模为多体仿真和有限元方法相结合的策略后，将仿真与简单的二链轮链传动进行的实验进行了比较。仿真结果与测量结果吻合良好。

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