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http://dx.doi.org/10.12989/sem.2017.64.2.205

A general solution to structural performance of pre-twisted Euler beam subject to static load  

Huang, Ying (School of Civil Engineering, Xi'an University of Architecture and Technology)
Chen, Chang Hong (School of Mechanics and Civil Engineering, Northwestern Polytechnical University)
Keer, Leon M. (Civil and Environmental Engineering, Northwestern University)
Yao, Yao (School of Mechanics and Civil Engineering, Northwestern Polytechnical University)
Publication Information
Structural Engineering and Mechanics / v.64, no.2, 2017 , pp. 205-212 More about this Journal
Abstract
Based on the coupled elastic bending deformation features and relationships between the internal force and deformation of pre-twisted Euler beam, the generalized strain, the equivalent constitutive equation and the equilibrium equation of pre-twisted Euler beam are developed. Based on the properties of the dual-antisymmetric matrix, the general solution of pre-twisted Euler beam is obtained. By comparison with ANSYS solution by using straight Beam-188 element based on infinite approach strategy, the results show that the developed method is available for pre-twisted Euler beam and also provide an accuracy displacement interpolation function for the subsequent finite element analysis. The effect of pre-twisted angle on the mechanical property has been investigated.
Keywords
pre-twisted beam; coupled displacement; generalized strain; general solution;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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