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Sixth-order compact finite difference method for singularly perturbed 1D reaction diffusion problems [PDF]

open access: yesJournal of Taibah University for Science, 2017
In this paper, the sixth-order compact finite difference method is presented for solving singularly perturbed 1D reaction–diffusion problems. The derivative of the given differential equation is replaced by finite difference approximations.
Fasika Wondimu Gelu   +2 more
doaj   +3 more sources

The Compact Finite Difference Method of Two-Dimensional Cattaneo Model [PDF]

open access: yesJournal of Function Spaces, 2020
In this paper, we propose and analyze the compact finite difference scheme of the two-dimensional Cattaneo model. The stability and convergence of the scheme are proved by the energy method, the convergence orders are 2 in time and 4 in space.
Yating Huang, Zhe Yin
doaj   +3 more sources

Numerical solution of nonlinear fractional Riccati differential equations using compact finite difference method [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2022
This paper aims to apply and investigate the compact finite difference methods for solving integer-order and fractional-order Riccati differential equations. The fractional derivative in the fractional case is described in the Caputo sense.
H. Porki, M. Arabameri, R. Gharechahi
doaj   +1 more source

Two linearized finite difference schemes for time fractional nonlinear diffusion-wave equations with fourth order derivative

open access: yesAIMS Mathematics, 2021
In this paper, we present a linearized finite difference scheme and a compact finite difference scheme for the time fractional nonlinear diffusion-wave equations with space fourth order derivative based on their equivalent partial integro-differential ...
Emadidin Gahalla Mohmed Elmahdi   +1 more
doaj   +1 more source

Sixth-order compact finite difference method for solving KDV-Burger equation in the application of wave propagations [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2022
Sixth-order compact finite difference method is presented for solving the one-dimensional KdV-Burger equation. First, the given solution domain is discretized using a uniform discretization grid point in a spatial direction. Then, using the Taylor series
K. Koroche, H. Chemeda
doaj   +1 more source

Compact finite difference method to numerically solving a stochastic fractional advection-diffusion equation

open access: yesAdvances in Difference Equations, 2020
In this paper, a stochastic space fractional advection diffusion equation of Itô type with one-dimensional white noise process is presented. The fractional derivative is defined in the sense of Caputo.
N. H. Sweilam   +2 more
doaj   +1 more source

Sixth-order compact finite difference scheme with discrete sine transform for solving Poisson equations with Dirichlet boundary conditions

open access: yesResults in Applied Mathematics, 2021
Compact finite difference methods are very popular for solving differential equations that arise in a wide variety of real-world applications. Despite their popularity, the efficiency of these methods is limited by the need for matrix inversion which is ...
Amanuel Hossiso Gatiso   +2 more
doaj   +1 more source

A parallel compact-TVD method for compressible fluid dynamics employing shared and distributed-memory paradigms [PDF]

open access: yes, 2011
A novel multi-block compact-TVD finite difference method for the simulation of compressible flows is presented. The method combines distributed and shared-memory paradigms to take advantage of the configuration of modern supercomputers that host many ...
Emerson, David   +2 more
core   +1 more source

Numerical Approximation of Generalized Burger’s-Fisher and Generalized Burger’s-Huxley Equation by Compact Finite Difference Method

open access: yesAdvances in Mathematical Physics, 2021
In this work, computational analysis of generalized Burger’s-Fisher and generalized Burger’s-Huxley equation is carried out using the sixth-order compact finite difference method.
Ravneet Kaur   +3 more
doaj   +1 more source

On the multi-domain compact finite difference relaxation method for high dimensional chaos: The nine-dimensional Lorenz system

open access: yesAlexandria Engineering Journal, 2020
In this paper, we implement the multidomain compact finite difference method to numerically study high dimensional chaos by considering the nine-dimensional Lorenz system.
J.N. Kouagou   +2 more
doaj   +1 more source

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