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浙江大学学报(工学版)
J4  2012, Vol. 46 Issue (10): 1773-1777    DOI: 10.3785/j.issn.1008-973X.2012.10.006
机械与能源工程     
串联缓冲系统冲击响应与结构优化分析
卢富德1, 陶伟明1, 高德2
1. 浙江大学 航空航天学院,浙江 杭州 310027；2. 浙江大学宁波理工学院 机电与能源学院,浙江 宁波315100
Impact response of series cushioning system and structure
optimization analysis
LU Fu-de1, TAO Wei-ming1, GAO De2
1. School of Aeronautics and Astronautics,Zhejiang University,Hangzhou 310027,China; 2. School of Mechanical
and Energy Engineering, Ningbo Institute of Technology, Zhejiang University,Ningbo 315100,China
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摘要：

为了研究瓦楞纸板与泡沫塑料所组成的串联缓冲系统的冲击响应,引入虚拟质量,利用Runge-Kutta法对系统动力学方程进行求解.由试验得到BC双瓦楞纸板和发泡聚乙烯准静态与动态应力-应变关系,建立它们的单轴本构关系.研究串联缓冲系统的冲击响应,试验结果与模型预测值吻合较好.对串联缓冲系统进行体积优化分析,并与发泡聚乙烯系统的优化结果进行比较. 结果表明:若不考虑瓦楞纸板的缓冲作用,仅对发泡聚乙烯分析,则会造成资源的浪费.
Abstract:

The virtual mass method was introduced to study the impact response in order to investigate the impact responses for the series cushioning system, made of corrugated paperboard and expanded polyethylene cushion material. The static constitutive relations of BC-flute corrugated paperboard and expanded polyethylene were proposed based on universal testing machine, and their dynamic relationships were built by using the drop tester. The peak acceleration of the series cushioning system composed of the packaging item, expanded polyethylene and corrugated paperboard was obtained. The experimental data accorded well with the prediction results. The volume optimization design was calculated for series system, and compared to that of foam cushioning system to achieve the cushioning effect of corrugated paperboard. Results show that the overuse of expanded polyethylene is occurred if not considering the cushion action of corrugated paperboard.
出版日期: 2012-10-01
:  TB 485.1  
基金资助:

国家“十二五”重大科技支撑计划资助项目(2011BAD24B01).
通讯作者: 陶伟明，教授.     E-mail: taowm@zju.edu.cn
作者简介: 卢富德(1982—),男，博士生，从事缓冲材料力学模型研究.E-mail:lu673153@163.com
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卢富德, 陶伟明, 高德. 串联缓冲系统冲击响应与结构优化分析[J]. J4, 2012, 46(10): 1773-1777.

LU Fu-de, TAO Wei-ming, GAO De. Impact response of series cushioning system and structure
optimization analysis. J4, 2012, 46(10): 1773-1777.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2012.10.006    或    http://www.zjujournals.com/eng/CN/Y2012/V46/I10/1773

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[1] 卢富德, 陶伟明, 高德. 串联缓冲结构压缩响应虚拟质量分析[J]. J4, 2012, 46(8): 1431-1436.