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Finite Element Eigen Analysis of Undamped Beam Structure with Composite Sections  

Park, Keun-Man (부산대학교 기계설계학과)
Cho, Jin-Rae (부산대학교 기계공학부)
Jung, Weui-Bong (부산대학교 기계공학부)
Bae, Soo-Ryong (국방과학연구소)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.20, no.6, 2007 , pp. 691-697 More about this Journal
Abstract
Numerical eigen analysis of beam-like structure can be easily and effectively done by various conventional beam theory-based methods. However, in case of the structures composed of composite-sectioned beams, the application of conventional numerical methods requires one to derive both equivalent material and geometry properties. In the present paper, these equivalent properties are derived by the transformed section method and the test FEM program is coded. The numerical accuracy of the proposed method is verified through the comparison with the ANSYS 3-D model.
Keywords
composite section; beam structure; equivalent material properties; eigen value; finite element analysis;
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