Abstract
Rogers et al. (Wave Motion 56:147–164, 2015) investigated a class of deformations in nonlinear elastodynamics for an isotropic elastic solid subject to body forces corresponding to a nonlinear substrate potential. A few of exact solutions were obtained, which are descriptive of the propagation of compact waves and motions with oscillatory spatial dependence. But the bifurcations of phase portraits and dynamic behaviors of solutions have not been studied for the two dynamical systems. In fact, the two model equations are singular nonlinear wave systems of the first and second kinds, respectively. In this paper, we use the method of dynamical systems to investigate the bifurcations of phase portraits for the two systems and obtain all possible exact solutions.
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Funding
This research was partially supported by the National Natural Science Foundation of China (11871231, 12071162, 11701191), Natural Science Foundation of Fujian Province (2021J01303, 2022J01303).
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We certify that this manuscript is original and has not been published and will not be submitted elsewhere for publication while being considered by Nonlinear Dynamics. And the study is not split up into several parts to increase the quantity of submissions and submitted to various journals or to one journal over time. No data have been fabricated or manipulated (including images) to support our conclusions. No data, text, or theories by others are presented as if they were our own. And authors whose names appear on the submission have contributed sufficiently to the scientific work and therefore share collective responsibility and accountability for the results. Finally, this article does not contain any studies with human participants or animals performed by any of the authors.
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Zhou, Y., Li, J. Bifurcations and exact solutions in the model of nonlinear elastodynamics of materials with strong ellipticity condition. Nonlinear Dyn 112, 1–13 (2024). https://doi.org/10.1007/s11071-023-09042-0
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DOI: https://doi.org/10.1007/s11071-023-09042-0
Keywords
- Solitary wave solution
- Periodic wave solution
- Kink wave solution
- Integrable system
- Bifurcations of phase portraits
- Exact solution