Dynamic buckling of functionally graded graphene nanoplatelets reinforced composite arches under pulse load

被引：0

作者：

Chen, Bi-Jing ^{[1
]}

Huang, Yong-Hui ^{[1
]}

Yang, Zhi-Cheng ^{[2
]}

Liu, Ai-Rong ^{[1
]}

机构：

[1] Research Center for Wind Engineering and Engineering Vibration, Guangzhou University, Guangzhou,510006, China

[2] College of Urban and Rural Construction, Zhongkai University of Agriculture and Engineering, Guangzhou,510225, China

来源：

Gongcheng Lixue/Engineering Mechanics | 2022年 / 39卷

关键词：

Arches; -; Buckling; Dynamics; Graphene; Reinforcement;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

By using finite element method, the dynamic response of functionally graded graphene nanoplatelets reinforced composite (FG-GPLRC) arches under radial rectangular pulse loading was analyzed. A method is proposed to obtain dynamic buckling load and critical load duration by comparing the static buckling path with the peak value of the dynamic displacement response. And then, the influence of graphene nanoplatelets (GPLs) distribution mode, of weight fraction, of geometric parameters, of geometry and dimensions, of load duration on the arch's dynamic mechanical behavior is studied through parametric analysis. It is found that: adding a small amount of GPLs as the reinforced composite can significantly improve the dynamic buckling load of the arch, and X- type GPLs distribution mode can achieve the most effective stiffness enhancement effect. With other parameters unchanged, the effect of the thinner and larger GPLs layer on the arch reinforcement of FG-GPLRC arch is more obvious. Copyright ©2022 Engineering Mechanics. All rights reserved.

引用

页码：370 / 376

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