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In this work, we study the generalized shallow water wave equation to obtain novel solitary wave solutions. The application of this non-linear model can be found in tidal waves, weather simulations, tsunami prediction, river and irrigation…

数学物理 · 物理学 2024-01-03 Rajib Mia , Arjun Kumar Paul

A method for finding exact solutions of nonlinear differential equations is presented. Our method is based on the application of the Newton polygons corresponding to nonlinear differential equations. It allows one to express exact solutions…

可精确求解与可积系统 · 物理学 2007-05-23 Nikolai A. Kudryashov , Maria V. Demina

This paper develops one of the methods for study of nonlinear Partial Differential equations. We generalize Sato equation and represent the algorithm for construction of some classes of nonlinear Partial Differential Equations (PDE)…

可精确求解与可积系统 · 物理学 2007-05-23 A. I. Zenchuk

Two different methods are proposed for the generation of wide classes of exact solutions to the stationary Gross - Pitaevskii equation (GPE). The first method, suggested by the work by Kondrat'ev and Miller (1966), applies to…

量子气体 · 物理学 2015-05-18 Boris A. Malomed , Yury A. Stepanyants

A novel symmetry method for finding exact solutions to nonlinear PDEs is illustrated by applying it to a semilinear reaction-diffusion equation in multi-dimensions. The method uses a separation ansatz to solve an equivalent first-order…

数学物理 · 物理学 2013-08-05 Stephen C. Anco , Sajid Ali , Thomas Wolf

We discuss the recent paper by Inan and Ugurlu [Inan I.E., Ugurlu Y., Exp-function method for the exact solutions of fifth order KdV equation and modified Burgers equation, Appl. Math. Comp. 217 (2010) 1294 -- 1299]. We demonstrate that all…

可精确求解与可积系统 · 物理学 2010-11-17 Nikolay A. Kudryashov , Dmitry I. Sinelshchikov

In this paper, we present a new pseudo-spectral method to solve the initial value problem associated to a non-local KdV-Burgers equation involving a Caputo-type fractional derivative. The basic idea is, using an algebraic map, to transform…

数值分析 · 数学 2016-03-23 Francisco de la Hoz , Carlota Maria Cuesta

In this paper, we study the regularities of solutions of nonlinear stochastic partial differential equations in the framework of Hilbert scales. Then we apply our general result to several typical nonlinear SPDEs such as stochastic Burgers…

概率论 · 数学 2008-01-28 Xicheng Zhang

Partial differential equations (PDEs) provide a mathematical foundation for simulating and understanding intricate behaviors in both physical sciences and engineering. With the growing capabilities of deep learning, data$-$driven approaches…

机器学习 · 计算机科学 2025-10-14 Narayan S Iyer , Bivas Bhaumik , Ram S Iyer , Satyasaran Changdar

This paper proposes semi-discrete and fully discrete hybridizable discontinuous Galerkin (HDG) methods for the Burgers' equation in two and three dimensions. In the spatial discretization, we use piecewise polynomials of degrees $ k \ (k…

数值分析 · 数学 2021-02-02 Zimo Zhu , Gang Chen , Xiaoping Xie

We show that a type of linear superposition principle works for several nonlinear differential equations. Using this approach, we find periodic solutions of the Kadomtsev-Petviashvili (KP) equation, the nonlinear Schrodinger (NLS) equation,…

可精确求解与可积系统 · 物理学 2009-11-07 Fred Cooper , Avinash Khare , Uday Sukhatme

In the present paper invariant subspace method has been extended for solving systems of multi-term fractional partial differential equations (FPDEs) involving both time and space fractional derivatives. Further the method has also been…

偏微分方程分析 · 数学 2019-04-02 Sangita Choudhary , Varsha Daftardar-Gejji

We present compacton-like solution of the modified KdV equation and compare its properties with those of the compactons and solitons. We further show that, the nonlinear Schr{\"o}dinger equation with a source term and other higher order…

solv-int · 物理学 2007-05-23 C. Nagaraja Kumar , Prasanta K. Panigrahi

In this paper we study some cases of time-fractional nonlinear dispersive equations (NDEs) involving Caputo derivatives, by means of the invariant subspace method. This method allows to find exact solutions to nonlinear time-fractional…

数学物理 · 物理学 2014-10-30 P. Artale Harris , R. Garra

In this article, we propose a new numerical approach to high-dimensional partial differential equations (PDEs) arising in the valuation of exotic derivative securities. The proposed method is extended from Reisinger and Wittum (2007) and…

计算金融 · 定量金融 2013-10-04 Christoph Reisinger , Rasmus Wissmann

We link nonlinear manifold learning techniques for data analysis/compression with model reduction techniques for evolution equations with time scale separation. In particular, we demonstrate a `"nonlinear extension" of the POD-Galerkin…

计算物理 · 物理学 2010-11-24 Benjamin E. Sonday , Amit Singer , C. William Gear , Ioannis G. Kevrekidis

In this paper, a variable coefficient Bilinear neural network method is proposed to deal with the analytical solutions of variable coefficient nonlinear partial differential equations. As an example, a Kadomstev-Petviashvili equation with…

可精确求解与可积系统 · 物理学 2023-01-25 Jian-Guo Liu , Wen-Hui Zhu

In this work, we develop variational formulations of Petrov-Galerkin type for one-dimensional fractional boundary value problems involving either a Riemann-Liouville or Caputo derivative of order $\alpha\in(3/2, 2)$ in the leading term and…

数值分析 · 数学 2015-12-18 Bangti Jin , Raytcho Lazarov , Zhi Zhou

In this paper we present three different numerical approaches to account for curl-type involution constraints in hyperbolic partial differential equations for continuum physics. All approaches have a direct analogy to existing and…

数值分析 · 数学 2020-03-06 Michael Dumbser , Simone Chiocchetti , Ilya Peshkov

Partial differential equations are fundamental tools in mathematics,sciences and engineering. This book is mainly an exposition of the various algebraic techniques of solving partial differential equations for exact solutions developed by…

数学物理 · 物理学 2012-05-31 Xiaoping Xu