搜索结果: 1-13 共查到“数学 Burgers equation”相关记录13条 . 查询时间(0.109 秒)
Estimates for Solutions of a Low-Viscosity Kick-Forced Generalised Burgers Equation
Burgers Equation Viscous Conservation Law Kick Force Maximum Principle Turbulence Intermittency
2011/9/20
Abstract: We consider a non-homogeneous generalised Burgers equation: $$ \frac{\partial u}{\partial t} + f'(u)\frac{\partial u}{\partial x} - \nu \frac{\partial^2 u}{\partial x^2} = \eta^{\omega},\qua...
The Burgers equation and the Korteweg-de Vries equation with quadratic nonlinearity
Burgers equation KdV equation diffeomorphism group BottVirasoro group Euler equation
2011/9/15
Abstract: We study generalized variants of the Burgers equation and the KdV equation on the circle. The main goal of the paper is to show that both extensions can be recast as geodesic equations on a ...
The linear stability of traveling waves to the compound Kdv-Burgers equation
compound Kdv-Burgers equation inear stability
2010/9/21
Herein the traveling waves of compound Kdv-Burgers are considered,.with the help of an analytic function D(λ), the traveling wave is stable.
Lie group classifications and exact solutions for time-fractional Burgers equation
Lie group classifications exact solutions
2010/11/22
Lie group method provides an efficient tool to solve nonlinear partial differential equations. This paper suggests a fractional Lie group method for fractional partial differential equations. A time-f...
Symmetry Analysis of 2+1 dimensional Burgers equation with variable damping
2+1 dimensional Burgers equation variable coefficient
2010/4/2
The symmetry classification of the two dimensional Burgers equation with variable coefficient is considered. Symmetry algebra is found and a classification of its subalgebras, up to conjugacy, is obta...
Extended Self Similarity works for the Burgers equation and why
Extended Self-Similarity Burgers equation
2010/4/6
Extended Self-Similarity (ESS), a procedure that remarkably extends the range of scaling for structure functions in Navier--Stokes turbulence and thus allows improved determination of intermittency ex...
A note on "New abundant solutions for the Burgers equation"
Burgers equation new exact solutions
2010/4/6
Salas, Gomez and Heranandez [A.Y. Salas S., C.A. Gomez S., J.E.C Hernandez, New abundant solutions for tha Burgers equation, Computers and Mathematics with Applications 58 (2009) 514 -520] presented 7...
Existence and uniqueness of an entropy solution for Burgers equation
existence d uniqueness theorems approximation
2010/9/13
This paper is concerned with the proof of the existence and uniqueness of an entropy solution for B urgers equation with additive source term (outside forces act on fluid particles). Some estimates ar...
Application of the Non-Polynomial Spline Approach to the Solution of the Burgers Equation’
Non-polynomial spline nonlinear burgers' equation von neumann stability accuracy
2008/11/10
In this paper, we propose a non-polynomial spline based method to develop a numerical method for approximation to the Burgers' equation. Applying the Von-Neumann stability analysis, we show that the p...
On the Analytical and Numerical Solutions of the One-Dimensional Nonlinear Burgers’Equation
Adomian decomposition Method；tanh -function Method；nonlinear Burgers' equation；analytical solution；accuracy
2008/11/10
In this paper, we present two methods for finding solutions to the one-dimensional nonlinear Burgers' equation. The first method is an analytical one, which is based on the tanh - function method. The...
This paper discusses the numerical solution of Burgers' equation on
unbounded domains. Two artificial boundaries are introduced and
boundary conditions are obtained on the artificial boundaries, whi...
Asymptotics for the Korteweg-de Vries-Burgers Equation
Korteweg--de Vries--Burgers equation asymptotics for large time large initial data
2007/12/11
We study large time asymptotics of solutions to the Korteweg--de Vries--Burgers equation $$ u_{t}+uu_{x}-u_{xx}+u_{xxx}=0,\text{ }x\in \mathbf{R,}\text{ }t>0. $$ \no We are interested in the large tim...
CONVERGENCE OF SPECTRAL METHOD IN TIME FOR BURGERS' EQUATION
Spectral method Burgers' equ
2007/12/11
For solving Burgers' equation with periodic boundary conditions, this paper preseats a fully spectral discretisation method: Fourier Galerkin approximation in the spatial direction and Chebyshev pseud...