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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2013 Vol.5(3): 382-385 ISSN: 1793-8236
DOI: 10.7763/IJET.2013.V5.579

Interactive Axial-Moment Dynamic Buckling of Beams by Spline Finite Element

Hao Yang, Sai-Huen Lo, and Yee Tak Leung
Abstract—This paper aims to investigate the dynamic buckling problems of linear beam system with initial axial force and uniform moment by the developed spline finite element method, which is employed to obtain the dynamic stiffness matrix. Second order effects of the axial force and moment are considered. The moment-frequency interaction diagrams in uniform axial force and moment are plotted. The effects of warping rigidity, torsional rigidity, axial tension and compression on moment buckling are investigated in detail. The spline finite element method is proved to be very efficient for the present problems and many interaction diagrams can be plotted easily.

Index Terms—Beam, dynamic buckling, spline finite element

Hao Yang and Sai-Huen Lo are with the Department of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong (e-mail: hollis.yang.hao@gmail.com, hreclsh@hku.hk).
Tee Tak Leung is with the Department of Civil and Architectural Engineering, College of Science and Engineering, City University of Hong Kong (e-mail: andrew.leung@cityu.edu.hk).

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Cite:Hao Yang, Sai-Huen Lo, and Yee Tak Leung, "Interactive Axial-Moment Dynamic Buckling of Beams by Spline Finite Element," International Journal of Engineering and Technology vol. 5, no. 3, pp. 382-385, 2013.

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