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	Mechanical principles for stiffness design of fibrous composites and their applications
	Gao, Siyang ; Zhang, Jing ; Fu, Qiang ; Liu, Fang
	2009
英文摘要	In this article, stiffness tensor of materials is derived for fibrous composites of aerial materials, based on the compatibility relation of deformation of fibers in matrices and the strain energy density of the fibrous composites. Principal mechanical properties of the stiffness matrix are investigated to derive the relations between material stiffness and matrix stiffness, and between stiffness of fibers and their orientations. More-over, fundamental formulas and methods for stiffness design of laminated and spatially distributed fibrous composites are provided. Finally, examples are given to illustrate how to use the design formulas and compare them with other theories and experimental data. The research results indicate that after considering the stiffness discount due to imperfect of manufacture technology, the proposed formulas and methods can be applied to the optimization of design with fibrous composites.; EI; 0; 7; 1227-1235; 30
语种	英语
出处	EI
出版者	hangkong xuebaoacta aeronautica et astronautica sinica
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/407985]
专题	数学科学学院
推荐引用方式 GB/T 7714	Gao, Siyang,Zhang, Jing,Fu, Qiang,et al. Mechanical principles for stiffness design of fibrous composites and their applications. 2009-01-01.

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