Results 41 to 50 of about 12,386 (163)

Exploration of wave dynamics and soliton behavior in a nonlinear 3D convection-diffusion wave equation

open access: yesResults in Engineering
In this work, a two-dimensional nonlinear wave convection-diffusion equation is studied using the symmetry-based techniques, specifically Lie-symmetry approach.
Faiza Arif   +3 more
doaj   +1 more source

Gaussian radial basis functions method for linear and nonlinear convection–diffusion models in physical phenomena

open access: yesOpen Physics, 2021
In this study, we propose a simple direct meshless scheme based on the Gaussian radial basis function for the one-dimensional linear and nonlinear convection–diffusion problems, which frequently occur in physical phenomena.
Wang Fuzhang   +3 more
doaj   +1 more source

Multiscale Stochastic Homogenization of Convection-Diffusion Equations [PDF]

open access: yesApplications of Mathematics, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Spectral collocation method for convection-diffusion equation

open access: yesDemonstratio Mathematica
Spectral collocation method, named linear barycentric rational interpolation collocation method (LBRICM), for convection-diffusion (C-D) equation with constant coefficient is considered.
Li Jin, Cheng Yongling
doaj   +1 more source

A Weighted Average Finite Difference Method for the Fractional Convection-Diffusion Equation

open access: yesAdvances in Mathematical Physics, 2013
A weighted average finite difference method for solving the two-sided space-fractional convection-diffusion equation is given, which is an extension of the weighted average method for ordinary convection-diffusion equations.
Lijuan Su, Pei Cheng
doaj   +1 more source

Analytical Solutions of a Nonlinear Convection-Diffusion Equation With Polynomial Sources

open access: yesМоделирование и анализ информационных систем, 2016
Nonlinear convection–diffusion equations are widely used for the description of various processes and phenomena in physics, mechanics and biology. In this work we consider a family of nonlinear ordinary differential equations which is a traveling wave ...
N. A. Kudryashov, D. I. Sinelshchikov
doaj   +1 more source

Lattice Boltzmann model of percutaneous drug absorption

open access: yesTheoretical and Applied Mechanics Letters, 2019
A lattice Boltzmann numerical modeling method was developed to predict skin concentration after topical application of a drug on the skin. The method is based on D2Q9 lattice spaces associated with the Bhatnagar-Gross-Krook (BGK) collision term to solve ...
Arman Safdari, Kyung Chun Kim
doaj   +1 more source

Convection–diffusion equations with random initial conditions [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 2019
We consider an evolution equation generalising the viscous Burgers equation supplemented by an initial condition which is a homogeneous random field. We develop a non-linear framework enabling us to show the existence and regularity of solutions as well as their long time behaviour.
openaire   +2 more sources

A new kind of the solutions of a convection-diffusion equation related to the p ( x ) $p(x)$ -Laplacian

open access: yesBoundary Value Problems, 2017
A new kind of the solutions of the convection-diffusion equation related to the p ( x ) $p(x)$ -Laplacian is introduced. The equation is degenerate on the boundary, accordingly, the usual boundary value condition cannot be imposed in Dirichlet’s way. The
Huashui Zhan
doaj   +1 more source

NUMERICAL ANALYSIS OF AN INVERSE PROBLEM ORIGINATED IN PHENOMENON OF POLLUTION AIR URBAN

open access: yesSelecciones Matemáticas, 2016
This paper presents the calibration study of a two - dimensional mathematical model for the problem of urban air pollution. It is mainly assumed that air pollution is afected by wind convection, diffusion and chemical reactions of pollutants ...
Aníbal Coronel, Ian Hess
doaj   +1 more source

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