Results 21 to 30 of about 465 (189)

Numerical analysis of the fractional evolution model for heat flow in materials with memory

open access: yesAlexandria Engineering Journal, 2020
This paper develops the solution of the two-dimensional time fractional evolution model using finite difference scheme derived from radial basis function (RBF-FD) method.
O. Nikan, H. Jafari, A. Golbabai
doaj   +1 more source

Computational dynamics of predator-prey model with the power-law kernel

open access: yesResults in Physics, 2021
Evolution system which contains fractional derivatives can give rise to useful mathematical model for describing some important real-life or physical scenarios.
Kolade M. Owolabi
doaj   +1 more source

MATHEMATICAL MODELLING OF SOIL MASSIF'S DEFORMATIONS UNDER ITS DRAINAGE

open access: yesInternational Journal of Apllied Mathematics, 2019
Mathematical models in the assessment of water saturated soil massifs’ deformations under their drainage have been developed and substantiated. An algorithm for the construction of hydrodynamic networks has been developed and the transformation of ...
M. Kuzlo, V. S. Moshynskyi, P. Martyniuk
semanticscholar   +1 more source

A Compact Difference Scheme for Time-Fractional Dirichlet Biharmonic Equation on Temporal Graded Meshes

open access: yes, 2021
The stability of a compact finite difference scheme on general nonuniform temporal meshes for a time fractional two-dimensional biharmonic problem is proved and graded mesh error estimates are derived.
Ming-Rong Cui
semanticscholar   +1 more source

On exponential fitting of finite difference methods for heat equations

open access: yesJournal of Applied Mathematics and Bioinformatics, 2021
In this article, a new kind of finite difference scheme that is exponentially fitted, inspired from Fourier analysis, for a fourth space derivative was developed for solving diffusion problems. Dispersion relation and local truncation error of the method
E. O. Tuggen, C. E. Abhulimen
semanticscholar   +1 more source

A stable finite difference method for a Cahn-Hilliard type equation with long-range interaction [PDF]

open access: yes
We propose a stable numerical scheme for a Cahn-Hilliard type equation with long-range interaction describing the micro-phase separation of diblock copolymer melts.
中村, 健一   +2 more
core   +2 more sources

CRANK-NICOLSON DIFFERENCE SCHEME FOR REVERSE PARABOLIC NONLOCAL PROBLEM WITH INTEGRAL AND NEUMANN BOUNDARY CONDITIONS

open access: yesInternational Journal of Apllied Mathematics, 2021
In this paper, we study Crank-Nicholson difference scheme for approximate solutions of parabolic nonlocal reverse problem with integral and Neumann boundary conditions. Stability estimates for its solution are established.
C. Ashyralyyev, A. G\"{o}nen\c{c}
semanticscholar   +1 more source

Finite Difference/Element Method for a Two-Dimensional Modified Fractional Diffusion Equation

open access: yes, 2012
We present the finite difference/element method for a two-dimensional modified fractional diffusion equation. The analysis is carried out first for the time semi-discrete scheme, and then for the full discrete scheme.
Na Zhang, Wei-Hua Deng, Yu-Jiang Wu
semanticscholar   +1 more source

A new compact finite difference quasilinearization method for nonlinear evolution partial differential equations

open access: yesOpen Mathematics, 2017
This article presents a new method of solving partial differential equations. The method is an improvement of the previously reported compact finite difference quasilinearization method (CFDQLM) which is a combination of compact finite difference schemes
Dlamini P.G., Khumalo M.
doaj   +1 more source

A Mixed‐Culture Model of a Probiotic Biofilm Control System

open access: yesComputational and Mathematical Methods in Medicine, Volume 11, Issue 2, Page 99-118, 2010., 2010
We present a mathematical model and computer simulations for the control of a pathogenic biofilm by a probiotic biofilm. This is a substantial extension of a previous model of control of a pathogenic biofilm by microbial control agents that are suspended in the aqueous bulk phase (H. Khassehkhan and H.J. Eberl, Comp. Math. Meth.
Hermann J. Eberl   +2 more
wiley   +1 more source

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