Multibody Dynamics Modeling of a Continuous Rubber Track System: Part 1—Model Description

IF 0.6 Q4 TRANSPORTATION SCIENCE & TECHNOLOGY
Antoine Faivre, Olivier Duhamel, Masoud Hemmatian, Jean-Sébastien Plante
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引用次数: 0

Abstract

Continuous rubber track systems for farming applications are typically designed using multiple iterations on full-scale physical prototypes which is costly and time consuming. The development of numerical design tools could speed up the design process and reduce development costs while improving product performance. In this article, a rigid multibody dynamics (MBD) model of a continuous rubber track system is presented. This article is the first part of a two-part study: Part 1 focuses on the model description and part 2 describes the experimental evaluation of the MBD model. The modeling methodology is based on a track discretization as a set of rigid body elements interconnected by 6 degrees-of-freedom bushing joints. The mathematical formalism and experimental characterization of all critical subsystems such as the roller wheels, tensioner, suspensions, and contact models are also presented. Several simulation results are presented to illustrate the capability of MBD models in design activities to rapidly evaluate new concepts as a result of the relative short-solving time of the model (approximately 3 h). The MBD model is shown to be a powerful design tool to provide input boundary conditions for structural analysis or as a design space explorer and optimization tool.
连续橡胶履带系统的多体动力学建模:第 1 部分--模型描述
用于农业应用的连续橡胶履带系统通常是在全尺寸物理原型上进行多次迭代设计的,这既昂贵又耗时。数字设计工具的开发可以加快设计过程,降低开发成本,同时提高产品性能。本文建立了连续橡胶履带系统的刚性多体动力学模型。本文是两部分研究的第一部分:第1部分侧重于模型描述,第2部分描述MBD模型的实验评估。建模方法基于轨道离散化,即由6个自由度衬套连接的一组刚体单元。还介绍了所有关键子系统(如滚轮、张紧器、悬架和接触模型)的数学形式和实验特性。本文给出了几个仿真结果,以说明MBD模型在设计活动中快速评估新概念的能力,因为模型的求解时间相对较短(约3小时)。MBD模型被证明是一个强大的设计工具,可以为结构分析提供输入边界条件,或者作为设计空间探索者和优化工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
SAE International Journal of Commercial Vehicles
SAE International Journal of Commercial Vehicles TRANSPORTATION SCIENCE & TECHNOLOGY-
CiteScore
1.80
自引率
0.00%
发文量
25
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