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Admissible point transformations between Burgers equations with linear damping and time-dependent coefficients are described and used in order to exhaustively classify Lie symmetries of these equations. Optimal systems of one- and…

Exactly Solvable and Integrable Systems · Physics 2014-06-24 Oleksandr A. Pocheketa , Roman O. Popovych , Olena O. Vaneeva

The (2+1)-dimensional Burgers equation has been investigated first from prospective of symmetry by localizing the nonlocal residual symmetries and then studied by a simple generalized tanh expansion method. New symmetry reduction solutions…

Exactly Solvable and Integrable Systems · Physics 2013-10-02 Xi-zhong Liu , Jun Yu , Bo Ren

We use the one-dimensional Burgers equation to illustrate the effect of replacing the standard Laplacian dissipation term by a more general function of the Laplacian -- of which hyperviscosity is the best known example -- in equations of…

Chaotic Dynamics · Physics 2020-04-22 Walter Pauls , Samriddhi Sankar Ray

A new nonlinear 3+1 dimensional evolution equation admitting the Lax pair is presented. In the case of one spatial dimension, the equation reduces to the Burgers equation. A method of construction of exact solutions, based on a class of…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 M. Rudnev , A. V. Yurov , V. A. Yurov

The paper is a comprehensive study of the existence, uniqueness, blow up and regularity properties of solutions of the Burgers equation with fractional dissipation. We prove existence of the finite time blow up for the power of Laplacian…

Analysis of PDEs · Mathematics 2008-04-23 Alexander Kiselev , Fedor Nazarov , Roman Shterenberg

We provide a detailed numerical study of various issues pertaining to the dynamics of the Burgers equation perturbed by a weak dispersive term: blow-up in finite time versus global existence, nature of the blow-up, existence for "long"…

Analysis of PDEs · Mathematics 2015-06-18 C. Klein , J. -C. Saut

Burgers equation is one of the simplest nonlinear partial differential equations-it combines the basic processes of diffusion and nonlinear steepening. In some applications it is appropriate for the diffusion coefficient to be a…

Mathematical Physics · Physics 2007-05-23 Zhenquan Li , A. J. Roberts

We carry out enhanced symmetry analysis of a two-dimensional Burgers system. The complete point symmetry group of this system is found using an enhanced version of the algebraic method. Lie reductions of the Burgers system are…

Mathematical Physics · Physics 2019-12-04 Stavros Kontogiorgis , Roman O. Popovych , Christodoulos Sophocleous

In this article we study generalizations of the inhomogeneous Burgers equation. First at the operator level, in the sense that we replace classical differential derivations by operators with certain properties, and then we increase the…

Analysis of PDEs · Mathematics 2024-11-08 Francesco Maltese

In this paper, we constuct the multi-point blowup solutions of self-similar type for the inviscid Burgers equation. The shape and blowup dynamics are precisely described. Moreover, the solutions we construct are stable under small…

Analysis of PDEs · Mathematics 2021-03-02 Yiya Qiu , Lifeng Zhao

An unconventional approach is applied to solve the one-dimensional Burgers' equation. It is based on spline polynomial interpolations and Hopf-Cole transformation. Taylor expansion is used to approximate the exponential term in the…

Numerical Analysis · Mathematics 2023-09-22 Somrath Kanoksirirath

A detailed analysis of the invariant point transformations for the first four partial differential equations which belong to the Complex Burgers` Hierarchy is performed. Moreover, a detailed application of the reduction process through the…

Mathematical Physics · Physics 2019-07-24 Amlan K Halder , A. Paliathanasis , S. Rangasamy , Pgl Leach

In this paper, the new (2+1)-dimensional Burgers equation has been derived using the Burgers equation' recursion operator as follows \begin{equation*} u_{xt}+\left(u_{t}+uu_{x}-\nu…

Exactly Solvable and Integrable Systems · Physics 2023-09-29 Nardjess Benoudina , Nassim Bessaad

The Moyal *-deformed noncommutative version of Burgers' equation is considered. Using the *-analog of the Cole-Hopf transformation, the linearization of the model in terms of the linear heat equation is found. Noncommutative q-deformations…

High Energy Physics - Theory · Physics 2007-05-23 L. Martina , O. K. Pashaev

In this work, high order splitting methods have been used for calculating the numerical solutions of the Burgers' equation in one space dimension with periodic and Dirichlet boundary conditions. However, splitting methods with real…

Numerical Analysis · Mathematics 2014-10-17 Muaz Seydaoğlu , Utku Erdoğan , Turgut Öziş

A nondispersive, conservative regularisation of the inviscid Burgers equation is proposed and studied. Inspired by a related regularisation of the shallow water system recently introduced by Clamond and Dutykh, the new regularisation…

Analysis of PDEs · Mathematics 2024-03-05 Billel Guelmame , Stéphane Junca , Didier Clamond , Robert L. Pego

Burgers' equation is a well-studied model in applied mathematics with connections to the Navier-Stokes equations in one spatial direction and traffic flow, for example. Following on from previous work, we analyse solutions to Burgers'…

Complex Variables · Mathematics 2023-04-05 Daniel J. VandenHeuvel , Christopher J. Lustri , John R. King , Ian W. Turner , Scott W. McCue

Differential equations with convective terms such as the Burger's equation appear in many applications and have been the subject of intense research. In this paper we use a generalized form of Cole-Hopf transformation to relate the…

Mathematical Physics · Physics 2013-08-06 Mayer Humi

It is shown that the generalizations to more than one space dimension of the pole decomposition for the Burgers equation with finite viscosity and no force are of the form u = -2 viscosity grad log P, where the P's are explicitly known…

Exactly Solvable and Integrable Systems · Physics 2009-11-07 Uriel Frisch , Mark Mineev-Weinstein

After reviewing the source-type solution of the Burgers equation with standard dissipativity, we study the hypoviscous counterpart of the Burgers equation. 1) We determine an equation that governs the near-identity transformation underlying…

Fluid Dynamics · Physics 2023-06-26 Koji Ohkitani
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