Dynamic Characteristics of Cylindrical Composite Panels with Co-cured and Constrained Viscoelastic Layers(Special Issue on Advances in Dynamics and Design of Continuous Systems)
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概要
- 論文の詳細を見る
Dynamic characteristics of cylindrical composite panels with co-cured and constrained viscoelastic layers are investigated using the finite element method based on the layerwise shell theory. The natural frequencies, loss factors and frequency response functions of cylindrical viscoelastic composites are computed considering the effect of transversely shear deformation and material degradation of viscoelastic layers. Various damping characteristics for unconstrained layer damping, constrained layer damping, and symmetrically co-cured laminates are compared with an original base panel in view of damping efficiency. The layerwise in-plane displacements and shear deformations greatly influence vibration and damping characteristics of the hybrid composite panels. Also, the present results show that it is very important to consider the variation of damping properties according to exciting frequency and environmental temperature for the accurate damping evaluation of cylindrical hybrid composite panels with viscoelastic damping layers.
- 一般社団法人日本機械学会の論文
- 2002-03-15
著者
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LEE In
Department of Anatomy and Cell Biology, College of Veterinary Medicine and BK21 Program for Veterina
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Oh I‐k
Lg Digital Appliance Research Laboratory Lg Electronics Inc.
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Shin Won-Ho
Department of Mechanical Engineering, Yonsei University
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Shin Won-ho
Department Of Aerospace Engineering Kaist
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Cho Ki-dae
Agency For Defense Development
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OH Il-Kwon
LG Digital Appliance Research Laboratory, LG Electronics Inc.
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KOO Kyo-Nam
School of Transportation Systems Engineering, University of Ulsan
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Koo Kyo-nam
School Of Transportation Systems Engineering University Of Ulsan
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Lee In
Department Of Agronomy College Of Agriculture And Life Sciences Kyungpook National University
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Lee In
Department Of Aerospace Engineering Kaist
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Lee In
Department Of Aerospace Engineering
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