首页|Research of Dynamic Buckling of FG-GPLRC Arch Under Rectangular Pulse Loading
Research of Dynamic Buckling of FG-GPLRC Arch Under Rectangular Pulse Loading
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The dynamic mechanical response of functional gradient graphene nanoplatelets reinforced composite arches (GPLs) under the influence of rectangular pulse loading has been studied by employing finite element analysis (FEA). By comparing the static buckling behavior of arches with the peak of the dynamic displacement response, a new method to determine the critical dynamic buckling load and load holding time was established. The specific effects of the distribution pattern, shape and size, mass fraction, and load holding time of GPLs on the dynamic response performance of arches were deeply investigated through a parametric study. It is found that even a small amount of GPLs addition can significantly elevate the dynamic buckling load carrying capacity of arches, and the X-shaped GPLs distribution pattern is the most effective way to enhance the dynamic stability performance of arches. With other parameters being constant, a larger surface area and thinner GPL can improve the performance of the material more significantly.
Graphene nanoplateletsPulse loadFinite element methodParametric analysisDynamic buckling
Qian Hu、Yonghui Huang、Xinling Li、Bijing Chen
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Research Center for Wind Engineering and Engineering Vibration, Guangzhou University, Guangzhou, China
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