The Mullins Effect in Hyperelastic Materials

9634817本研究旨在建立一个本构模型来模拟马林斯效应，马林斯效应是弹性体和生物软组织在反复加载和卸载时观察到的一种非线性应力软化现象。我们将对应力软化的静态和动态效应进行分析研究，以深入了解外科球囊使用中遇到的困难现象，加深对应力软化弹性体材料特性的了解，并在一些有用的技术应用中研究Mullins效应。实验工作与建模和与应用问题的相关性的平衡是很好的。这种研究方法新颖，可能会产生具有重大工程意义的结果。***

Beatty 9634817 The proposed research is aimed at developing a constitutive model for modeling the Mullins effect, a nonlinear stress softening phenomenon observed in elastomers and soft biological tissues subjected to repeated loading and unloading. Both static and dynamic effects of stress softening will be studied analytically to provide insight to phenomena related to difficulties encountered in use of surgical balloons, to enhance understanding of the material properties of stress softened elastomers and to investigate the Mullins effect in some useful technical applications. The balance of experimental work with modeling and relevance to applied problems is excellent. The research approach is novel and likely to yield results of significant engineering importance. ***