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A novel approach is introduced for deriving exact solutions to nonlinear systems of ordinary differential equations. This method consists of four parts. In the initial part, the examined nonlinear differential equation system is transformed…

Exactly Solvable and Integrable Systems · Physics 2025-08-25 Prakash Kumar Das

This article proposes a novel approach for determining exact solutions to nonlinear ordinary differential equations. The recommended iterative method provides the solution via a rapidly converging series that readily approaches a closed…

Analysis of PDEs · Mathematics 2025-07-15 Prakash Kumar Das

We present a general scheme for constructing robust excitations (soliton-like) in non-integrable multicomponent systems. By robust, we mean localised excitations that propagate with almost constant velocity and which interact cleanly with…

Pattern Formation and Solitons · Physics 2021-10-27 Raghavendra Nimiwal , Urbashi Satpathi , Vishal Vasan , Manas Kulkarni

The modified method of simplest equation is applied to the extended Korteweg - de Vries equation and to generalized Camassa - Holm equation. Exact traveling wave solutions of these two nonlinear partial differential equations are obtained.…

Exactly Solvable and Integrable Systems · Physics 2012-07-31 Nikolay K. Vitanov , Zlatinka I. Dimitrova , Holger Kantz

This paper is presented to give numerical solutions of some cases of nonlinear wave-like equations with variable coefficients by using Reduced Differential Transform Method (RDTM). RDTM can be applied most of the physical, engineering,…

Numerical Analysis · Mathematics 2014-07-21 Murat Gubes , Yildiray Keskin , Galip Oturanc

We prove that if a solution of an equation of KdV type is bounded above by a traveling wave with an amplitude that decays faster than a given linear exponential then it must be zero. We assume no restrictions neither on the size nor in the…

Analysis of PDEs · Mathematics 2015-06-03 C. E. Kenig , G. Ponce , L. Vega

We find one- and two-soliton solutions of shifted nonlocal NLS and MKdV equations. We discuss the singular structures of these soliton solutions and present some of the graphs of them.

Exactly Solvable and Integrable Systems · Physics 2021-11-24 Metin Gürses , Aslı Pekcan

We establish a connection between the general equations of nonlinear elastodynamics and the nonlinear ordinary differential equation of Pinney [Proc. Amer. Math. Soc. 1 (1950) 681]. As a starting point, we use the exact travelling wave…

Soft Condensed Matter · Physics 2013-02-08 Michel Destrade , Giuseppe Saccomandi

This paper focuses on how to approximate traveling wave solutions for various kinds of partial differential equations via artificial neural networks. A traveling wave solution is hard to obtain with traditional numerical methods when the…

Numerical Analysis · Mathematics 2021-06-29 Sung Woong Cho , Hyung Ju Hwang , Hwijae Son

In this article, we present a comprehensive analytical study to obtain the exact traveling wave solutions to a new formed model of the (2+1)-dimensional BKP equation. We construct exact solutions of the considered model using a recently…

Mathematical Physics · Physics 2024-01-04 Rajib Mia

A new method is developed for finding exact solitary wave solutions of a generalized Korteweg-de Vries equation with p-power nonlinearity coupled to a linear Schr\"odinger equation arising in many different physical applications. This…

Exactly Solvable and Integrable Systems · Physics 2025-02-06 Stephen C. Anco , James Hornick , Sicheng Zhao , Thomas Wolf

An application of the Darboux transformation on a cnoidal wave background in the coupled nonlinear Schr\"{o}dinger equation gives a new solution which describes a soliton moving on a cnoidal wave. This is a generalized version of the…

Exactly Solvable and Integrable Systems · Physics 2009-11-10 H. J. Shin

In this paper, two types of traveling wave solutions to the osmosis K(2, 2) equation are investigated. They are characterized by two parameters. The expresssions for the soliton and periodic wave solutions are obtained.

Pattern Formation and Solitons · Physics 2009-09-04 Jiangbo Zhou , Lixin Tian , Xinghua Fan

This work studies a macroscopic traffic flow model driven by a system of nonlinear hyperbolic partial differential equations. Using Lie symmetry analysis, we determine the infinitesimal generators and construct an optimal system of…

Analysis of PDEs · Mathematics 2025-08-26 Urvashi Joshi , Aniruddha Kumar Sharma , Rajan Arora

Two different types of N=1 modified KdV equations are shown to possess $N$ soliton solutions. The soliton solutions of these equations are obtained by casting the equations in the bilinear forms using the supersymmetric extension of the…

Exactly Solvable and Integrable Systems · Physics 2009-11-07 Sasanka Ghosh , Debojit Sarma

Rarefactive waves and dispersive shock waves are generated from the step-like initial data in many nonlinear evolution equations including the classical example of the Korteweg-de Vries (KdV) equation. When a solitary wave is injected on…

Pattern Formation and Solitons · Physics 2022-07-05 Ana Mucalica , Dmitry E. Pelinovsky

To obtain new types of exact travelling wave solutions to nonlinear partial differential equations, a number of approximate methods are known in the literature. In this study, we extend the class of auxiliary equations of Fibonnacci&Lucas…

Analysis of PDEs · Mathematics 2015-11-06 Zehra Pinar , Turgut Ozis

This paper treats nonlinear wave current interactions in their simplest form, as an overtaking collision. In one spatial dimension, the paper investigates the collision interaction formulated as an initial value problem of a Burgers bore…

Fluid Dynamics · Physics 2024-05-15 Albert. Dombret , Darryl D. Holm , Ruiao Hu , Oliver D. Street , Hanchun Wang

The finite element method is applied to obtain numerical solutions to the recently derived nonlinear equation for shallow water wave problem for several cases of bottom shapes. Results for time evolution of KdV solitons and cnoidal waves…

Fluid Dynamics · Physics 2016-04-15 Anna Karczewska , i Maciej Szczeciński , Piotr Rozmej , Bartosz Boguniewicz

We prove the existence of travelling-wave solutions for a system of coupled nonlinear Schr\"{o}dinger equations arising in nonlinear optics. Such a system describes second-harmonic generation in optical materials with $\chi^{(2)}$…

Analysis of PDEs · Mathematics 2015-10-20 Sharad Silwal