Nonlinear Waves: Theory and Applications

A special issue of Mathematics (ISSN 2227-7390). This special issue belongs to the section "E4: Mathematical Physics".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 419

Special Issue Editor

Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China
Interests: applied mathematics; nonlinear waves; complex analysis

Special Issue Information

Dear Colleagues,

Theoretical and applied aspects of nonlinear waves are relevant to subjects as diverse as relativity, plasma physics, materials science, nonlinear optics, random media, solid and fluid mechanics, atmospheric and oceanic dynamics, and biological sciences. Breakthroughs in nonlinear wave research open avenues for collaboration and interactions that transcend traditional disciplinary boundaries in many of these fields.

This Special Issue aims to explore interdisciplinary problems involving nonlinear wave motion through analytical, numerical, and experimental methods. Well-known techniques include the multi-scale method, inverse scattering transform, WKB approach, fourth-order Runge–Kutta method, pseudospectral method, and others.

Contributions are expected to cover a broad range of nonlinear wave topics, including soliton dynamics, integrable and nearly integrable systems, nonlinear waves in applied sciences, asymptotic approaches to nonlinear wave problems, modulation theory.

Dr. Xudan Luo
Guest Editor

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Keywords

  • integrable and nearly integrable systems
  • solitary waves
  • internal waves
  • gravity waves
  • dispersive shock waves
  • hydrodynamics
  • modulation theory

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Published Papers (1 paper)

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Research

36 pages, 5256 KB  
Article
Nonlinear Gravity-Wave Effects on the Distribution of Chemical Constituents in a Vertically-Sheared Atmospheric Flow
by Ahmed S. Almohaimeed and Lucy J. Campbell
Mathematics 2026, 14(2), 322; https://doi.org/10.3390/math14020322 - 17 Jan 2026
Viewed by 169
Abstract
The dynamical processes in the atmosphere are coupled with the chemistry of the atmosphere. Internal gravity waves influence the distribution of chemical constituents in the atmosphere through their effects on the background wind or mean flow. We examine a coupled system of equations [...] Read more.
The dynamical processes in the atmosphere are coupled with the chemistry of the atmosphere. Internal gravity waves influence the distribution of chemical constituents in the atmosphere through their effects on the background wind or mean flow. We examine a coupled system of equations comprising a nonlinear transport equation of Fisher type for the distribution of the chemical species, along with nonlinear Boussinesq equations for internal gravity waves in a vertically stratified and vertically sheared fluid flow in a two-dimensional region. In our model, a horizontally localized gravity-wave packet is generated and propagates upward into a localized region where the chemical species is present. Numerical solutions show that the wave-induced mean flow resulting from nonlinear gravity-wave interactions in the vicinity of a critical level leads to modifications in the distribution of the chemical. An asymptotic analysis of a related qualitatively similar problem gives us information on the dominant behaviour of the chemical concentration perturbation. We conclude that nonlinearity and vertical shear play a vital role in the interplay between gravity-wave dynamics and chemical distributions in the atmosphere. Full article
(This article belongs to the Special Issue Nonlinear Waves: Theory and Applications)
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