Results 21 to 30 of about 12,386 (163)

Numerical Solutions for Convection-Diffusion Equation through Non-Polynomial Spline

open access: yesMATEC Web of Conferences, 2016
In this paper, numerical solutions for convection-diffusion equation via non-polynomial splines are studied. We purpose an implicit method based on non-polynomial spline functions for solving the convection-diffusion equation.
Ravi Kanth A.S.V., Deepika
doaj   +1 more source

Distinctive Shape Functions of Fractional Differential Quadrature for Solving Two-Dimensional Space Fractional Diffusion Problems

open access: yesFractal and Fractional, 2023
The aim of this study is to utilize a differential quadrature method with various kernels, such as Lagrange interpolation and discrete singular convolution, to tackle problems related to the Riesz fractional diffusion equation and the Riesz fractional ...
Abdelfattah Mustafa   +4 more
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

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

An inverse problem for a quasilinear convection–diffusion equation

open access: yesNonlinear Analysis, 2022
We study the inverse problem of recovering a semilinear diffusion term $a(t,λ)$ as well as a quasilinear convection term $\mathcal B(t,x,λ,ξ)$ in a nonlinear parabolic equation $$\partial_tu-\textrm{div}(a(t,u) \nabla u)+\mathcal B(t,x,u,\nabla u)\cdot\nabla u=0, \quad \mbox{in}\ (0,T)\timesΩ,$$ given the knowledge of the flux of the moving quantity ...
Ali Feizmohammadi   +2 more
openaire   +4 more sources

Three level implicit tension spline scheme for solution of Convection-Reaction-Diffusion equation

open access: yesAin Shams Engineering Journal, 2018
In this work, the numerical approximation of Convection-Reaction-Diffusion equation is investigated using the method based on tension spline function and finite difference approximation.
H.S. Shekarabi, J. Rashidinia
doaj   +1 more source

Two-dimensional convection—diffusion problem solved using method of localized particular solutions

open access: yesMATEC Web of Conferences, 2017
A meshless local method of approximated particular solutions (LMAPS) is used to analyze problem described by the convection-diffusion equation. The method solves the steady convection-diffusion equation with reaction term.
Mužík Juraj, Holičková Martina
doaj   +1 more source

Space–Time Radial Basis Function–Based Meshless Approach for Solving Convection–Diffusion Equations

open access: yesMathematics, 2020
This article proposes a space–time meshless approach based on the transient radial polynomial series function (TRPSF) for solving convection–diffusion equations.
Cheng-Yu Ku, Jing-En Xiao, Chih-Yu Liu
doaj   +1 more source

A computational approach for fractional convection-diffusion equation via integral transforms

open access: yesAin Shams Engineering Journal, 2018
In this paper, two efficient analytic techniques namely the homotopy analysis transform method (HATM) and homotopy perturbation Sumudu transform method (HPSTM) are implemented to give a series solution of fractional convection-diffusion equation which ...
Jagdev Singh, Ram Swroop, Devendra Kumar
doaj   +1 more source

Higher-Order Compact Finite Difference for Certain PDEs in Arbitrary Dimensions

open access: yesJournal of Function Spaces, 2020
In this paper, we first present the expression of a model of a fourth-order compact finite difference (CFD) scheme for the convection diffusion equation with variable convection coefficient.
Yan Gao, Songlin Liu
doaj   +1 more source

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