Traveling wave solutions for systems of nonlinear advection-diffusion-reaction equations with delay and variable coefficients

Aibinu, Mathew O.; Moyo, Sibu

doi:10.22075/ijnaa.2022.28897.4021

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	Traveling wave solutions for systems of nonlinear advection-diffusion-reaction equations with delay and variable coefficients
International Journal of Nonlinear Analysis and Applications
مقاله 30، دوره 14، شماره 5، مرداد 2023، صفحه 337-348 اصل مقاله (448.81 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22075/ijnaa.2022.28897.4021
نویسندگان
Mathew O. Aibinu^* ¹^{، 2}؛ Sibu Moyo³^{، 4}
¹Institute for Systems Science and KZN e-Skills CoLab, Durban University of Technology, South Africa
²DSI-NRF Centre of Excellence in Mathematical and Statistical Sciences (CoE-MaSS), South Africa
³Department of Applied Mathematics and School for Data Science and Computational Thinking, Stellenbosch University, South Africa
⁴National Institute for Theoretical and Computational Sciences (NITheCS), South Africa
تاریخ دریافت: 15 آبان 1401، تاریخ بازنگری: 29 آذر 1401، تاریخ پذیرش: 08 دی 1401
چکیده
This paper introduces the methods for constructing the exact solutions of systems of nonlinear Advection-Diffusion-Reaction (ADR) equations with delay and variable coefficients. ADR systems of equations are coupled models which can be used to describe a set of interacting processes. Precepts are given for reducing such systems of equations to simpler systems of delayed ordinary differential equations by using modified methods of functional constraints. New exact solutions are presented in the form of traveling wave solutions. Exact solutions are prescribed to particular nonlinear ADR systems of equations for illustration. Significant arbitrary functions are present in the solutions which justify the suitability of the solutions for solving various modelling problems, validating the potency of numeric, asymptotic, and approximate analytical methods. The range of applicability of the results in this paper is universal as the results involve variable coefficients and delay.
کلیدواژه‌ها
Advection-diffusion-reaction؛ Exact solutions؛ Delay differential equations؛ Fundamental matrix

مراجع
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Traveling wave solutions for systems of nonlinear advection-diffusion-reaction equations with delay and variable coefficients