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Application of Linear Viscoelastic Continuum Damage Theory to the Low and High Strain Rate Response of Thermoplastic Polyurethane
Experimental Mechanics ( IF 2.0 ) Pub Date : 2020-06-15 , DOI: 10.1007/s11340-020-00608-2
H. Chen , A.R. Trivedi , C.R. Siviour

This paper outlines an empirical correlation method combining quasi-static tests in tension and compression, and high strain-rate tests in compression, with dynamic mechanical analysis and time-temperature superposition. A generalized viscoelastic model incorporating continuum damage is calibrated. The results show that a model calibrated using data from quasi-static compression and dynamic mechanical analysis can be used to adequately predict both the quasi-static tensile and the compressive high strain rate response.

中文翻译:

线性粘弹性连续损伤理论在热塑性聚氨酯低应变率和高应变率响应中的应用

本文概述了一种将拉伸和压缩中的准静态测试和压缩中的高应变率测试与动态力学分析和时间-温度叠加相结合的经验关联方法。校准包含连续损伤的广义粘弹性模型。结果表明,使用准静态压缩和动态力学分析的数据校准的模型可用于充分预测准静态拉伸和压缩高应变率响应。
更新日期:2020-06-15
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