A constitutive model for polyurethane foam with strain rate sensitivity

被引：1
|
作者：
Kwang Young Jeong
Seong Sik Cheon
Mahbubul Basit Munshi
机构：
[1] Kongju National University,Division of Mechanical and Automotive Engineering
[2] Auburn University,Department of Mechanical Engineering
来源：
Journal of Mechanical Science and Technology | 2012年 / 26卷
关键词：
Polyurethane foam; Constitutive model; Dynamic loading; Strain rate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The present work investigates the strain rate dependent behavior of polyurethane foams and formulates a new constitutive model in order to improve the fit of the experimental data at various strain rates. The model has seven parameters that are decided by quasi-static compression tests at two strain rates. Two models for low and high density polyurethane foams are shown to give stress strain relation at various strain rates. Dynamic compression tests were carried out to give stress strain data at high strain rate and the results are compared with those of the constitutive model.
引用
收藏
页码：2033 / 2038
页数：5
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