Analysis of an initially stressed hybrid plate based on a higher-order theory

Chun-Sheng Chen; Chin-Ping Fung; Rean-Der Chien

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Analysis of an initially stressed hybrid plate based on a higher-order theory

机译：基于高阶理论的初始应力混合板分析

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摘要

The natural frequencies and buckling loads of hybrid Al/GFRP/Al plates in a general state of nonuniform initial stress are investigated. The governing equations are based on Lo's higher-order shear deformation theory and derived using the average stress method. The initial stress is taken as a combination of uniaxial extensional stress and pure bending. The effects of various parameters on the natural frequencies and buckling loads are studied. The results show that present theory gives acceptable estimates of the buckling load and vibration frequency. The vibration frequency and buckling load are sensitive to the number of layers of GFRP, stacking sequence and thickness ratio of GFRP to aluminum, and the state of the initial stresses.

机译：研究了非均匀初始应力状态下混合Al / GFRP / Al板的固有频率和屈曲载荷。控制方程基于Lo的高阶剪切变形理论，并使用平均应力法推导。初始应力是单轴拉伸应力和纯弯曲的组合。研究了各种参数对固有频率和屈曲载荷的影响。结果表明，本理论给出了屈曲载荷和振动频率的可接受估计。振动频率和屈曲载荷对GFRP的层数，GFRP与铝的堆积顺序和厚度比以及初始应力的状态敏感。

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来源
《Composite Structures》 |2006年第3期|p.343-353|共11页
作者
Chun-Sheng Chen; Chin-Ping Fung; Rean-Der Chien;
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作者单位

Department of Mechanical Engineering, Lunghwa University of Science and Technology, Guai-Shan 33327, Taiwan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
hybrid composite plate; initial stress; the higher-order theory;

机译：混合复合材料板;初始应力;高阶理论;

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Analysis of an initially stressed hybrid plate based on a higher-order theory

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