| Free Vibration Analysis of Laminated Composite Beams Using Differential Quadrature Method |
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| 作者姓名： | 冯丽娟 钟宏志 郝照平 吴德隆 |
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| 作者单位： | FENG Lijuan，ZHONG Hongzhi，HAO Zhaoping，WU Delong Department of Civil Engineering，Tsinghua University，Beijing 100084，China; Beijing Institute of Astronautical Systems Engineering，Beijing 100076，China |
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| 基金项目： | Supported by the Beijing Institute of AstronauticalSystems Engineering |
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| 摘 要： | IntroductionFiber- reinforced composite materials have foundnumerous applications in many engineering fieldsdue to their outstanding engineering properties,such as high strength- to- weight ratio and highstiffness- to- weight ratio.Specially,compositebeams are widely used in the aerospace industry,automobile industry,robotics and sportingappliances.The dynamic characteristics of thesestructures are of greatimportance in the design andservice process. As acknowledged by some researchers1] ,t…
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Free Vibration Analysis of Laminated Composite Beams Using Differential Quadrature Method |
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| Abstract: | A higher-order theory for laminated composite beams is used to study the free vibration of laminated composite beams, and the differential quadrature method is employed to obtain the numerical solution of the governing differential equations. Free vibration analysis of beams with rectangular cross-section for various combinations of end conditions is studied. The results show that the differential quadrature method is reliable and accurate compared with other available results. |
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| Keywords: | laminated composite beam free vibration differential quadrature method |
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