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Mixed finite element solutions to contact problems of nonlinear Gao beam on elastic foundation

Gao, David; Machalova, J; Netuka, H


This paper analyzes nonlinear contact problems of a large deformed beam on an elastic foundation. The beam model is governed by a nonlinear fourth-order differential equation developed by Gao (1996); while the elastic foundation model is assumed as Winkler’s type. Based on a decomposition method, the nonlinear variational inequality problem is able to be reformed as a min–max problem of a saddle Lagrangian. Therefore, by using mixed finite element method with independent...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Nonlinear Analysis: Real World Applications
DOI: 10.1016/j.nonrwa.2014.09.012


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