English
Related papers

Related papers: A note on the forced Burgers equation

200 papers

We demonstrate that numerical solutions of Burgers' equation can be obtained by a scale-totality algorithm for fluids of small viscosity (down to one billionth). Two sets of initial data, modelling simple shears and wall boundary layers,…

Fluid Dynamics · Physics 2018-12-20 F. Lam

We investigate non-perturbative results of inviscid forced Burgers equation supplemented to continuity equation in three-dimensions. The exact two-point correlation function of density is calculated in three-dimensions. The two-point…

chao-dyn · Physics 2007-05-23 J. Davoudi , A. R. Rastegar , M. R. Rahimi Tabar

We study the class of one-dimensional equations driven by a stochastic measure $\mu$. For $\mu$ we assume only $\sigma$-additivity in probability. This class of equations include the Burgers equation and the heat equation. The existence and…

Probability · Mathematics 2024-09-11 Vadym Radchenko

In this article we find the solution of the Burger equation with viscosity applying the boundary layer theory. In addition, we will observe that the solution of Burger equation with viscosity converge to the solution of Burger stationary…

Analysis of PDEs · Mathematics 2020-09-15 Oscar Martinez , Ana Marin , Ruben Ortiz

The memory effects on microscopic kinetic systems have been sometimes modelled by means of the introduction of second order time derivatives in the macroscopic hydrodynamic equations. One prototypical example is the hyperbolic modification…

Mathematical Physics · Physics 2009-11-13 Carlos Escudero

We propose a simple method to compute the velocity difference statistics in forced Burgers turbulence in any dimension. Within a reasonnable assumption concerning the nucleation and coalescence of shocks, we find in particular that the…

Condensed Matter · Physics 2009-10-28 J. -P. Bouchaud , M. Mezard

In this paper we consider a splitting method for the augmented Burgers equation and prove that it is of first order. We also analyze the large-time behavior of the approximated solution by obtaining the first term in the asymptotic…

Numerical Analysis · Mathematics 2016-11-22 Liviu I. Ignat , Alejandro Pozo

The main result of this article establishes strong convergence rates on the whole probability space for explicit space-time discrete numerical approximations for a class of stochastic evolution equations with possibly non-globally monotone…

Probability · Mathematics 2020-01-15 Martin Hutzenthaler , Arnulf Jentzen , Felix Lindner , Primož Pušnik

In this paper, we present an iterative reproducing kernel method for numerical solution of one dimensional fractional Burgers equation with variable coefficient. Convergence analysis is constructed theoretically. Numerical experiments show…

Numerical Analysis · Mathematics 2018-05-30 Mehmet Giyas Sakar , Onur Saldır , Fevzi Erdogan

The formation of singularities in finite time in non-local Burgers' equations, with time-fractional derivative, is studied in detail. The occurrence of finite time singularity is proved, revealing the underlying mechanism, and precise…

Analysis of PDEs · Mathematics 2020-02-19 Giuseppe Maria Coclite , Serena Dipierro , Francesco Maddalena , Enrico Valdinoci

The paper is concerned with the steady-state Burgers equation of fractional dissipation on the real line. We first prove the global existence of viscosity weak solutions to the fractal Burgers equation driven by the external force. Then the…

Analysis of PDEs · Mathematics 2021-07-27 Fei Xu , Yong Zhang , Fengquan Li

In this paper, we investigate the symmetry properties of a variable coefficient nonlinear space-time fractional Burgers' equation. Fractional Lie symmetries and corresponding infinitesimal generators are obtained. With the help of the…

Analysis of PDEs · Mathematics 2014-09-22 Manoj Gaur , K. Singh

The quintessential vortex solution in (3+1)-dimensional nonrelativistic, incompressible fluid mechanics is the Burgers vortex. We show that, in a finite domain, conformal fluids also admit hot vortex solutions with everywhere…

High Energy Physics - Theory · Physics 2011-05-26 Jarah Evslin

In this work, we examine the solution properties of the Burgers' equation with stochastic transport. First, we prove results on the formation of shocks in the stochastic equation and then obtain a stochastic Rankine-Hugoniot condition that…

Analysis of PDEs · Mathematics 2022-11-09 Diego Alonso-Orán , Aythami Bethencourt de León , So Takao

Solutions to finite-dimensional (all spatial Fourier modes set to zero beyond a finite wavenumber $K_G$), inviscid equations of hydrodynamics at long times are known to be at variance with those obtained for the original infinite…

Fluid Dynamics · Physics 2017-03-28 Divya Venkataraman , Samriddhi Sankar Ray

In this paper, we investigate the stochastic damped Burgers equation with multiplicative space-time white noise defined on the entire real line. We prove the existence and uniqueness of a mild solution of the stochastic damped Burgers…

Dynamical Systems · Mathematics 2025-01-22 Zhenxin Liu , Zhiyuan Shi

In this paper we propose and analyze explicit space-time discrete numerical approximations for additive space-time white noise driven stochastic partial differential equations (SPDEs) with non-globally monotone nonlinearities such as the…

Numerical Analysis · Mathematics 2020-06-04 Arnulf Jentzen , Diyora Salimova , Timo Welti

The phenomenon of steady streaming, or acoustic streaming, is an important physical phenomenon studied extensively in the literature. Its mathematical formulation involves the Navier-Stokes equations, thus due to the complexity of these…

Exactly Solvable and Integrable Systems · Physics 2015-06-26 A. S. Fokas , J. T. Stuart

We consider the one dimensional Burgers equation forced by a brownian in space and white noise in time process $\partial_t u + u \partial_x u = f(x,t)$, with $2E(f(x,t)f(y,s)) = (|x|+|y|-|x-y|)\delta(t-s)$ and we show that there are Levy…

Statistical Mechanics · Physics 2009-04-23 Marie-Line Chabanol , Jean Duchon

The vector Burgers equation is extended to include pressure gradients and gravity. It is shown that within the framework of the Cole-Hopf transformation there are no physical solutions to this problem. This result is important because it…

solv-int · Physics 2008-02-03 Steven Nerney , Edward J. Schmahl , Z. E. Musielak
‹ Prev 1 3 4 5 6 7 10 Next ›