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Influence of interface conditions on the response of transversely isotropic multi-layered medium by impact load

yankezhen 添加于 2017/12/23 19:41:22  304次阅读 | 0次推荐 | 0个评论

Multi-layered media are one of the most common phenomena in natural or artificial surroundings, and it is considered as a good candidates for biomedical applications. The transversely isotropic characteristic of materials have been widely recognized in elastic multi-layered media. Furthermore, interface conditions between transversely isotropic elastic multi-layered medium layers plays an important role in the medium's performance.Despite many numerical approaches in these analyses, very few theoretical methods are available in dealing with these two important issues. This study presents a method to compute the response of transversely isotropic elastic multi-layered medium subjected to the impact load, i.e. falling weight deflectometer load (FWD) load,when interfacial conditions are considered. Details of the mathematical derivation, implementation and verification of the proposed analytical solution are presented. The absence of positive exponential functions in the solution leads to a considerable improvement in computation efficiency and stability. Subsequent numerical results demonstrate that both transverse isotropy and interface conditions could substantially contribute to the responses of the elastic multi-layered medium.

作 者:Nengyuan Liu, Kezhen Yan, Caijun Shi, Lingyun You
期刊名称: Journal of the Mechanical Behavior of Biomedical Materials
期卷页: 2017 第Vol.77卷 第期 485-493页
学科领域:工程材料 » 建筑环境与结构工程 » 交通工程
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原文链接:http://xueshu.baidu.com/s?wd=paperuri%3A%28a5f29303ccdf929600178803e72e9766%29&filter=sc_long_sign&tn=SE_xueshusource_2kduw22v&sc_vurl=http%3A%2F%2Feuropepmc.org%2Fabstract%2FMED%2F29032315&ie=utf-8&sc_us=11700690066160115562
DOI: 10.1016/j.jmbbm.2017.09.034
ISBN: 1751-6161
关键词: Analytical solution; Impact load; Interface condition; Multi-layered medium; Transversely isotropic
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