Energy Absorption Modelling Technique for Car Body Deformation

I. Harmati, A. Rövid, P. Várlaki
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引用次数: 1

Abstract

The main object of this paper is to introduce a model for describing how the energy distribution changes during deformational processes, esp. in car crashes. This an important and difficult task in accident analysis and in safety car-body design. Exact estimation or measuring of the absorbed energy by the deformation is almost impossible. The classical tool for this task is usually a differential equation based finite element method, which requires exact knowledge about the parameters and takes a lot of computational time with high complexity. In the following we introduce a simple numerical model for the changing of the energy distribution during the whole deformational process.
车身变形的能量吸收建模技术
本文的主要目的是引入一个模型来描述变形过程中能量分布的变化,特别是在汽车碰撞中。这是事故分析和安全车身设计中的一项重要而困难的任务。准确估计或测量变形所吸收的能量几乎是不可能的。传统的方法通常是基于微分方程的有限元方法,该方法需要精确的参数知识,计算时间长,计算复杂度高。下面我们引入了一个简单的数值模型来描述整个变形过程中能量分布的变化。
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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