Results 41 to 50 of about 278,997 (212)

Concentration Distribution of Chloride Ion under the Influence of the Convection-Diffusion Coupling

open access: yesAdvances in Materials Science and Engineering, 2017
The transfer process of chloride ion under the action of the convection-diffusion coupling was analyzed in order to predict the corrosion of reinforcement and the durability of structure more accurately.
Q. L. Zhao, Y. Z. Zhang
doaj   +1 more source

Numerical Simulation of Groundwater Pollution Problems Based on Convection Diffusion Equation

open access: yes, 2017
The analytical solution of the convection diffusion equation is considered by two-dimensional Fourier transform and the inverse Fourier transform. To get the numerical solution, the Crank-Nicolson finite difference method is constructed, which is ...
Lingyu Li, Zhe Yin
semanticscholar   +1 more source

The Improved Element-Free Galerkin Method for 3D Steady Convection-Diffusion-Reaction Problems with Variable Coefficients

open access: yesMathematics, 2023
In order to obtain the numerical results of 3D convection-diffusion-reaction problems with variable coefficients efficiently, we select the improved element-free Galerkin (IEFG) method instead of the traditional element-free Galerkin (EFG) method by ...
Heng Cheng, Zebin Xing, Yan Liu
doaj   +1 more source

Interior Blowup in a Convection-Diffusion Equation [PDF]

open access: yesSIAM Journal on Mathematical Analysis, 1998
The author studies the behaviour of the solutions to the heat equation with a nonlinear diffusion-convection term of the form \(\text{div }u^q(\nabla)\) in a bounded domain. In addition a nonlinear Neumann condition is imposed on the boundary. The convection term is chosen in such a way that the stationary problem admits infinitely many solutions which
openaire   +2 more sources

The difference scheme for the two-dimensional convection-diffusion problem for large peclet numbers

open access: yesMATEC Web of Conferences, 2018
The purpose of this work is the development of a difference scheme for the solution of convection-diffusion problem at high Peclet numbers (Pe>2). In accordance with this purpose the following problems were solved: difference scheme for convection is ...
Sukhinov Alexander I.   +2 more
doaj   +1 more source

An Effective Numerical Algorithm Based on Stable Recovery for Partial Differential Equations With Distributed Delay

open access: yesIEEE Access, 2018
This paper is concerned with the numerical approximation of a nonlinear convection–reaction–diffusion equation with distributed delay. Using the stable recovery, we convert the original equation into nonlinear reaction–diffusion ...
Ziying He, Fengyan Wu, Hongyu Qin
doaj   +1 more source

L2-Stability Independent of Diffusion for a Finite Element-Finite Volume Discretization of a Linear Convection-Diffusion Equation

open access: yesSIAM Journal on Numerical Analysis, 2015
We consider a time-dependent and a steady linear convection-diffusion equation. These equations are approximately solved by a combined finite element--finite volume method: the diffusion term is discretized by Crouzeix--Raviart piecewise linear finite ...
P. Deuring, R. Eymard, M. Mildner
semanticscholar   +1 more source

Travelling waves in a convection–diffusion equation

open access: yesJournal of Differential Equations, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Feireisl, E. (Eduard)   +2 more
openaire   +2 more sources

Application of C-Bézier and H-Bézier basis functions to numerical solution of convection-diffusion equations

open access: yesBoundary Value Problems, 2022
Convection-diffusion equation is widely used to describe many engineering and physical problems. The finite element method is one of the most common tools for computing numerical solution. In 2003, Wang et al.
Lanyin Sun, Fangming Su
doaj   +1 more source

A Comparative Study of Numerical Schemes for Convection-diffusion Equation☆

open access: yes, 2015
In this paper, three different numerical schemes are described to approximate the solution of the convection-diffusion equation. The methods are based on differential quadrature and finite difference.
V. Aswin, A. Awasthi, C. Anu
semanticscholar   +1 more source

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