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We obtain exact moving and stationary, spatially periodic and localized solutions of a generalized discrete nonlinear Schr\"odinger equation. More specifically, we find two different moving periodic wave solutions and a localized moving…

Pattern Formation and Solitons · Physics 2009-11-11 Avinash Khare , Sergey V. Dmitriev , Avadh Saxena

The present study describes, first, an efficient algorithm for computing capillary-gravity solitary waves solutions of the irrotational Euler equations with a free surface and, second, provides numerical evidences of the existence of an…

Fluid Dynamics · Physics 2020-02-20 Didier Clamond , Denys Dutykh , Angel Duran

The solitary wave solution and periodic solutions expressed in terms of elliptic Jacobi's functions are obtained for the nonlinear Schr\"{o}dinger equation governing the propagation of pulses in optical fibers including the effects of…

Pattern Formation and Solitons · Physics 2020-04-22 Vladimir I. Kruglov

Considered herein are a number of variants of the Boussinesq type systems modeling surface water waves. Such equations were derived by different authors to describe the two-way propagation of long gravity waves. A question of existence of…

Analysis of PDEs · Mathematics 2022-02-07 Evgueni Dinvay

In this paper, we prove the existence of two-dimensional, traveling, capillary-gravity, water waves with compactly supported vorticity. Specifically, we consider the cases where the vorticity is a $\delta$-function (a point vortex), or has…

Analysis of PDEs · Mathematics 2015-06-12 Jalal Shatah , Samuel Walsh , Chongchun Zeng

The present paper is concerned with the existence of traveling wave solutions of the asymptotic model, derived by the authors in a previous work, to approximate the unidirectional evolution of a collision-free plasma in a magnetic field.…

Analysis of PDEs · Mathematics 2024-10-14 Diego Alonso-Orán , Angel Durán , Rafael Granero-Belinchón

The objective of this paper is two-fold: firstly, we develop a local and global (in time) well-posedness theory for a system describing the motion of two fluids with different densities under capillary-gravity waves in a deep water flow…

Analysis of PDEs · Mathematics 2007-08-02 Jaime Angulo , Carlos Matheus , Didier Pilod

We study periodic, two-dimensional, gravity-capillary traveling wave solutions to a viscous shallow water system posed on an inclined plane. While thinking of the Reynolds and Bond numbers as fixed and finite, we vary the speed of the…

Analysis of PDEs · Mathematics 2024-11-22 Noah Stevenson

We establish the existence of small-amplitude uni- and bimodal steady periodic gravity waves with an affine vorticity distribution, using a bifurcation argument that differs slightly from earlier theory. The solutions describe waves with…

Analysis of PDEs · Mathematics 2019-07-15 Ailo Aasen , Kristoffer Varholm

We describe traveling waves in a basic model for three-dimensional water-wave dynamics in the weakly nonlinear long-wave regime. Small solutions that are periodic in the direction of translation (or orthogonal to it) form an…

Pattern Formation and Solitons · Physics 2015-06-26 Robert L. Pego , Jose Raul Quintero

In this work we find explicit periodic wave solutions for the classical $\phi^4$-model, and study their corresponding orbital stability/instability in the energy space. In particular, for this model we find at least four different branches…

Analysis of PDEs · Mathematics 2020-05-22 José Manuel Palacios

We show the existence of periodic traveling waves at the free surface of a two dimensional, infinitely deep, and constant vorticity flow, under gravity, whose profiles are overhanging, including one which intersects itself to enclose a…

Analysis of PDEs · Mathematics 2022-05-24 Vera Mikyoung Hur , Miles H. Wheeler

It is well recognized that in auxiliary equation methods, the exact solutions of different types of auxiliary equations may produce new types of exact travelling wave solutions to nonlinear partial differential equations in hand. In this…

Analysis of PDEs · Mathematics 2015-11-09 Zehra Pinar , Turgut Ozis

Recently, the Whitham and capillary-Whitham equations were shown to accurately model the evolution of surface waves on shallow water. In order to gain a deeper understanding of these equations, we compute periodic, traveling-wave solutions…

Fluid Dynamics · Physics 2019-02-01 John D. Carter , Morgan Rozman

In this paper, we consider a spherically curved symmetric spacetime to exact solving the orbit equation of a massive particle by using Jacobi's elliptic functions. Generally, the solution of the orbit equation provides the relativistic…

General Relativity and Quantum Cosmology · Physics 2020-03-17 A. S. Ribeiro , F. N. Lima

In this paper we study the isolated periodic traveling wave solutions of a family of reaction-convection-diffusion equations with cubic reaction term. Existence/nonexistence of periodic traveling wave solutions are discussed in different…

Analysis of PDEs · Mathematics 2025-04-10 Krishna Patra , Ch. Srinivasa Rao

Fully localised solitary waves are travelling-wave solutions of the three-dimensional gravity-capillary water wave problem which decay to zero in every horizontal spatial direction. Their existence for water of finite depth has recently…

Analysis of PDEs · Mathematics 2022-05-11 Boris Buffoni , Mark D. Groves , Erik Wahlén

In this paper we study the existence of periodic travelling waves for the 2D $abcd$ Boussinesq type system related with the three-dimensional water-wave dynamics in the weakly nonlinear long-wave regime. We show that small solutions that…

Mathematical Physics · Physics 2015-11-30 Jose Quintero , Alex Montes

In this article, we investigate monotonicity of limit wave speed of periodic traveling wave solutions for a perturbed generalized KdV equation via Abelian integral. We have answered an open problem outlined by Yan et al. (2014) and the…

Analysis of PDEs · Mathematics 2024-11-28 Krishna Patra , Chidella Srinivasa Rao

In this work we study the orbital stability of periodic traveling-wave solutions for dispersive models. The study of traveling waves started in the mid-18th century when John S. Russel established that the flow of water waves in a shallow…

Analysis of PDEs · Mathematics 2015-12-23 Thiago Pinguello de Andrade , Ademir Pastor