Elasto-plastic localised responses in one-dimensional structural models

Ciprian D. Coman, Andrew P. Bassom, M. Khurram Wadee

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


This work complements recent developments concerning the buckling of beams lying on a nonlinear (non-convex) elastic foundation, and also reports on some investigations on the role of material nonlinearity. Two structural models are studied using a simple elasto-plastic constitutive relationship, and buckling problems are formulated as reversible fourth-order differential equations. It is demonstrated that modulated responses are possible under certain circumstances. Some numerical simulations are presented supporting the analytical findings.

Original languageEnglish
Pages (from-to)83-100
Number of pages18
JournalJournal of Engineering Mathematics
Issue number2
Publication statusPublished - 1 Oct 2003
Externally publishedYes


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