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We study the viscous Burgers equation with a family of initial data having infinite mass. After rescaling, the solution converges toward a bounded discontinuous profile in the long-time limit. Moreover, by changing the scale near the…

偏微分方程分析 · 数学 2024-06-18 Nicola de Nitti , Eliot Pacherie

A modified Burgers vortex is considered where the vortex lines are convected toward the y axis and stretched along the y axis. Exact solutions are found for a particular time dependent flow parameter.

数学物理 · 物理学 2009-01-12 David K. Rollins

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…

偏微分方程分析 · 数学 2024-11-08 Francesco Maltese

This paper proves the existence of unstable shocks of the Burgers-Hilbert equation conjectured in arXiv:2006.05568. More precisely, we construct smooth initial data with finite $H^9$-norm such that the solution in self-similar coordinates…

偏微分方程分析 · 数学 2022-02-17 Ruoxuan Yang

Exactly solvable variable parametric Burgers type equations in one-dimension are introduced, and two different approaches for solving the corresponding initial value problems are given. The first one is using the relationship between the…

可精确求解与可积系统 · 物理学 2011-04-27 Sirin A. Buyukasik

The coupled Burgers equation is solved by way of the trigonometric B-spline collocation method. The unknown of the coupled Burgers equation is integrated in time by aid of the Crank-Nicolson method. Resulting time-integrated coupled Burgers…

数值分析 · 数学 2016-04-18 Ozlem Ersoy , Idris Dag

In this paper, a numerical solution of the two dimensional nonlinear coupled viscous Burgers equation is discussed with the appropriate initial and boundary conditions using the modified cubic B spline differential quadrature method. In…

数值分析 · 数学 2014-11-25 H. S. Shukla , Mohammad Tamsir , Vineet K. Srivastava , Jai Kumar

In this paper, we use the modified energy method of Hunter, Ifrim, Tataru, and Wongto prove an improved quintic energy estimate for initial data small in $\dot H^1_x \times L^2_x$ for a wide class of quasilinear wave equations of Kirchhoff…

偏微分方程分析 · 数学 2025-01-14 Ryan Martinez

This paper represents a mixed numerical method for the multi-resolution solution of non-linear partial differential equations based on B-Spline wavelets. The method is based on a second-order finite difference formula combined with the…

偏微分方程分析 · 数学 2018-12-27 Seyedhadi Seyedi

We describe the asymptotic behaviour of solutions of unviscid Burgers equation on the circle with time-periodic forcing. These solutions converge to periodic states, but the period of these limit states may be greater than the period of the…

偏微分方程分析 · 数学 2007-05-23 Patrick Bernard

The paper is devoted to a modification of the classical Cahn-Hilliard equation proposed by some physicists. This modification is obtained by adding the second time derivative of the order parameter multiplied by an inertial coefficient…

偏微分方程分析 · 数学 2015-05-14 Maurizio Grasselli , Giulio Schimperna , Sergey Zelik

In this study collocation method based on the extended B-spline functions for the numerical solutions of the Generalized Burhers Fisher equation is set up. The approximate solution of the equation is constructed with the combination of the…

数值分析 · 数学 2016-12-13 Ozlem Ersoy Hepson

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…

数值分析 · 数学 2023-09-22 Somrath Kanoksirirath

In this paper we consider a nonlocal viscous Burgers equation and study the well-posedness and asymptotic behaviour of its solutions. We prove that under the smallness assumption on the initial data the solutions behave as the self similar…

偏微分方程分析 · 数学 2016-10-13 Liviu Ignat , Tatiana Ignat

In this paper, we show uniqueness and stability for the piecewise-smooth solutions to the Burgers--Hilbert equation constructed in Bressan and Zhang [Commun. Math. Sci., 15(1):165--184, 2017]. The Burgers--Hilbert equation is…

偏微分方程分析 · 数学 2020-09-18 Sam G. Krupa , Alexis F. Vasseur

We construct a class of infinite mass functions for which solutions of the viscous Burgers equation decay at a better rate than solution of the heat equation for initial data in this class. In other words, we show an enhanced dissipation…

偏微分方程分析 · 数学 2024-03-05 Tej-Eddine Ghoul , Nader Masmoudi , Eliot Pacherie

We consider a nonhomogeneous Burgers equation with time variable coefficients, and obtain an explicit solution of the general initial value problem in terms of solution to a corresponding linear ODE. Special exact solutions such as…

可精确求解与可积系统 · 物理学 2011-04-26 Sirin A. Buyukasik , Oktay K. Pashaev

We consider the initial-value problem for the ``good'' Boussinesq equation on the line. Using inverse scattering techniques, the solution can be expressed in terms of the solution of a $3 \times 3$-matrix Riemann-Hilbert problem. We…

偏微分方程分析 · 数学 2023-08-30 C. Charlier , J. Lenells , D. Wang

We investigate the coupling between the nonlinear Schr\"odinger equation and the inviscid Burgers equation, a system which models interactions between short and long waves, for instance in fluids. Well-posedness for the associated Cauchy…

偏微分方程分析 · 数学 2012-12-11 Paulo Amorim , Joao-Paulo Dias , Mario Figueira , Philippe G. LeFloch

We address the existence of solutions for the inviscid version of the Hall-Vinen-Bekharevich-Khalatnikov equations in 3D, a macro-scale model of superfluidity. This system couples the incompressible Euler equations for the normal fluid and…

偏微分方程分析 · 数学 2024-10-22 Pranava Chaitanya Jayanti