Abstract
The aim of this paper is to show how Jacobi elliptic functions in combination with the averaging and the harmonic balance methods can be applied to obtain the approximate solution of two coupled, ordinary differential equations having a spring with cubic nonlinearity and subjected to driving forces of elliptic type. By an appropriate choice of the system parameter values, it is possible to show that our derived solution represents the exact steady-state solution of the undamped Duffing equation with driving force of elliptic type. At the end of this work, we also demonstrate the validity of our derived solution by comparing the amplitude–time response curves with those of the numerical integration solutions.
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Elías-Züñiga, A. A nonlinear oscillatory system subjected to driving forces of elliptic type. Nonlinear Dyn 49, 307–315 (2007). https://doi.org/10.1007/s11071-006-9135-8
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DOI: https://doi.org/10.1007/s11071-006-9135-8