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Title: An efficient simulation-based design technique for tapered members via analytical Euler-Bounouli elements
Authors: Bai, R 
Liu, SW 
Chan, SL 
Keywords: Tapered
Finite element
Direct analysis
Analytical solutions
Issue Date: 2016
Publisher: University of Hong Kong, Dept of Civil Engineering
Source: 8th International Conference on Steel and Aluminium Structures (ICSAS), Hong Kong, People's Republic of China, Dec 7-9, 2016 How to cite?
Abstract: Apparent optimization in material consumption can be achieved by adopting non-uniform members in modern structures. Current design method adopts the approximated methods, e.g. empirical equations and idealized assumptions, for the design of tapered members, which cause difficulties and uncertainties in predicting the 'exact' member deformations & resisting forces. In this paper, a new and practical design method based on the simulation-based philosophy is especially proposed for an efficient numerical analysis on the beam-columns with non-prismatic sections. Herein, two types of Euler-Bounouli elements, namely as single and compound elements, are accordingly derived based on the co-rotational (CR) method. The latter is developed by joining the two former elements with the additional incorporation of initial member imperfections., purposely aiming for the state-of-the-art design using second-order direct analysis. Finally, several examples are employed to validate and verify the reliability and accuracy of the proposed elements. The current research is believed be greatly contributed to the modern design of non prismatic members.
ISBN: 978-962-8014-26-2
Appears in Collections:Conference Paper

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