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Title: On lateral-torsional buckling of non-local beams
Authors: Challamel, N.
Wang, C.M. 
Keywords: Eringen's model
Kirchhoff-Clebsch theory
Lateral-torsional buckling
Nonlocal theory
Issue Date: 2010
Citation: Challamel, N., Wang, C.M. (2010). On lateral-torsional buckling of non-local beams. Advances in Applied Mathematics and Mechanics 2 (3) : 389-398. ScholarBank@NUS Repository.
Abstract: Nonlocal continuum mechanics allows one to account for the small length scale effect that becomes significant when dealing with microor nanostructures. This paper deals with the lateral-torsional buckling of elastic nonlocal small-scale beams. Eringen's model is chosen for the nonlocal constitutive bendingcurvature relationship. The effect of prebuckling deformation is taken into consideration on the basis of the Kirchhoff-Clebsch theory. It is shown that the application of Eringen's model produces small-length scale terms in the nonlocal elastic lateraltorsional buckling moment of a hinged-hinged strip beam. Clearly, the non-local parameter has the effect of reducing the critical lateral-torsional buckling moment. This tendency is consistent with the one observed for the in-plane stability analysis, for the lateral buckling of a hinged-hinged axially loaded column. The lateral buckling solution can be derived from a physically motivated variational principle. © 2010 Global Science Press.
Source Title: Advances in Applied Mathematics and Mechanics
ISSN: 20700733
DOI: 10.4208/aamm.09-m0982
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