Novel patterns in a class of fractional reaction–diffusion models with the Riesz fractional derivative

H Che, YL Wang, ZY Li - Mathematics and Computers in Simulation, 2022 - Elsevier
Pattern is a non-uniform macro structure with some regularity in space or time, which is
common in nature. In this manuscript, we introduce the Fourier transform for spatial …

Novel patterns in fractional-in-space nonlinear coupled FitzHugh–Nagumo models with Riesz fractional derivative

X Li, C Han, Y Wang - Fractal and Fractional, 2022 - mdpi.com
In this paper, the Fourier spectral method is used to solve the fractional-in-space nonlinear
coupled FitzHugh–Nagumo model. Numerical simulation is carried out to elucidate the …

A numerical solution for a variable-order reaction–diffusion model by using fractional derivatives with non-local and non-singular kernel

A Coronel-Escamilla, JF Gómez-Aguilar… - Physica A: Statistical …, 2018 - Elsevier
A reaction–diffusion system can be represented by the Gray–Scott model. The reaction–
diffusion dynamic is described by a pair of time and space dependent Partial Differential …

Efficient numerical techniques for computing the Riesz fractional-order reaction-diffusion models arising in biology

M Alqhtani, KM Owolabi, KM Saad, E Pindza - Chaos, Solitons & Fractals, 2022 - Elsevier
In this work, the solution of Riesz space fractional partial differential equations of parabolic
type is considered. Since fractional-in-space operators have been applied to model …

Dynamics of pattern formation process in fractional-order super-diffusive processes: a computational approach

KM Owolabi, B Karaagac, D Baleanu - Soft Computing, 2021 - Springer
This paper explores the suitability of space fractional-order reaction–diffusion scenarios to
model some emergent pattern formation in predator–prey models. Such fractional reaction …

A high-precision numerical approach to solving space fractional Gray-Scott model

C Han, YL Wang, ZY Li - Applied Mathematics Letters, 2022 - Elsevier
Abstract The Gray-Scott model is the representative bistable system in many reaction–
diffusion models. Numerical simulation of this model is very difficult especially for space …

Mathematical analysis and numerical simulation of two-component system with non-integer-order derivative in high dimensions

KM Owolabi, A Atangana - Advances in Difference Equations, 2017 - Springer
In this paper, we propose efficient and reliable numerical methods to solve two notable non-
integer-order partial differential equations. The proposed algorithm adapts the Fourier …

Numerical simulations of chaotic and complex spatiotemporal patterns in fractional reaction–diffusion systems

KM Owolabi, A Atangana - Computational and Applied Mathematics, 2018 - Springer
The generalized fractional reaction–diffusion equations which exist in the form of noninteger
order partial differential equations have now found wide application for illustrating important …

Fractional Gray–Scott model: well-posedness, discretization, and simulations

T Wang, F Song, H Wang, GE Karniadakis - Computer Methods in Applied …, 2019 - Elsevier
Abstract The Gray–Scott (GS) model represents the dynamics and steady state pattern
formation in reaction–diffusion systems and has been extensively studied in the past. In this …

HIGH-ORDER SOLVERS FOR SPACE-FRACTIONAL DIFFERENTIAL EQUATIONS WITH RIESZ DERIVATIVE.

KM Owolabi, A Atangana - Discrete & Continuous Dynamical …, 2019 - search.ebscohost.com
This paper proposes the computational approach for fractional-in-space reaction-diffusion
equation, which is obtained by replacing the space second-order derivative in classical …