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	Simplification of a spatial beam with variable cross sections based on the stiffness matrix
	Liu Yue ; Wang Liping
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ beams (structures) finite element analysis machine tools matrix algebra/ spatial beam variable cross section element stiffness matrix machine tool parts static stiffness performance finite element analysis FEA software ABAQUS 6. 51 simplification method/ E1560 Production equipment E2110A General shapes and structures E0210A Algebra E0210L Numerical analysis
中文摘要	The element stiffness matrixes of a machine tool's parts are needed to analyze the static stiffness performance of the machine tool. The part structure is usually irregular and has to be simplified to obtain the element stiffness matrix. A complete simplification method was developed to simplify a spatial beam with variable cross sections into a beam with a constant cross section. A dynamic model was solved using the finite element analysis (FEA) software ABAQUS 6. 51 and was also calculated using the simplification method. Comparison shows that the relative deviations are less than 5%, which verifies the reliability of the developed method in solving the simplification problem of beams with variable cross sections.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80131]
专题	清华大学
推荐引用方式 GB/T 7714	Liu Yue,Wang Liping. Simplification of a spatial beam with variable cross sections based on the stiffness matrix[J],2010, 2010.
APA	Liu Yue,&Wang Liping.(2010).Simplification of a spatial beam with variable cross sections based on the stiffness matrix..
MLA	Liu Yue,et al."Simplification of a spatial beam with variable cross sections based on the stiffness matrix".(2010).

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