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has been cited by the following article:

• TITLE: Stability Analysis of Periodic Solutions of Some Duffing’s Equations

  AUTHORS: E. O. Eze, U. E. Obasi, E. U. Agwu

  KEYWORDS: Stability Analysis, Duffing’s Equations, Periodic Solutions, MATCAD, Cartwright Method

  JOURNAL NAME: Open Journal of Applied Sciences, Vol.9 No.4, April 23, 2019

  ABSTRACT: In this paper, some stability results were reviewed. A suitable and complete Lyapunov function for the hard spring model was constructed using the Cartwright method. This approach was compared with the existing results which confirmed a superior global stability result. Our contribution relies on its application to high damping door constructions. (2010 Mathematics Subject Classification: 34B15, 34C15, 34C25, 34K13.)