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Post-buckling analysis of a nonlinear beam with axial functionally graded material

Cai, Kun; Gao, David; Qin, Qing Hua


The postbuckling analysis of a modified nonlinear beam composed of axial functionally graded material (FGM) is investigated by a canonical dual finite element method (CD-FEM). The governing equation of the axial FGM nonlinear beam is derived through a variational method. The CD-FEM is adopted to find the nonconvex postbuckling configurations of the beam according to Gao's triality theory. Using duality transition, the original potential energy functional becomes a functional of deformation and...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Journal of Engineering Mathematics
DOI: 10.1007/s10665-013-9682-1


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