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总览 评价 沈承 , 辛锋先 , 卢天健 * ( 西安交通大学 航天航空学院 机械强度与振动国家重点实验室; ) 摘要: 金属及复合材料轻质结构是一类具有周期加筋,点阵夹芯,泡沫金属板等多种形式的复杂材料和结构,它们共同的特点是在同等重量下比传统板壳结构
沈承, 辛锋先, 卢天健*
(
西安交通大学 航天航空学院 机械强度与振动国家重点实验室; )
摘要:
金属及复合材料轻质结构是一类具有周期加筋,点阵夹芯,泡沫金属板等多种形式的复杂材料和结构,它们共同的特点是在同等重量下比传统板壳结构能承受更大的载荷以及具有更优越的动力学及声学特性。本文通过分别讨论金属轻质结构的振动特性,金属轻质结构的声学特性以及复合材料轻质结构的声学特性的研究思路和方法,综述了金属及复合材料轻质结构振动和声学特性的研究现状,讨论并展望了进一步的研究方向和趋势。
关键词:
固体力学;复合材料;轻质结构;振动和声学;研究进展
SHEN Cheng, XIN Fengxian, LU Tianjian*
(
State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace,Xi'an Jiaotong University; )
Abstract:
Metallic and composite lightweight strcutures are a kind of complex material or structures with periodic stiffeners, truss core, metal foam and other structural forms. Their common characteristic is that they can bear larger external load than traditional plate or shell structures, and they show superior dynamic feature and acoustic performance. In this paper, the research development of vibration and acoustic property of metallic and composite lightweight structures are reviewed including vibration property of metallic lightweight structures, acoustic performance of metallic lightweight structures and composite lightweight structures. Future research direction and trends are also discussed.
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