C Nwaigwe, J Oahimire, A Weli - Applied and Computational Mechanics, 2023 - kme.zcu.cz
This paper investigates the nonlinear dispersion of a pollutant in a non-isothermal incompressible flow of a temperature-dependent viscosity fluid in a rectangular channel …
We investigate the initial boundary value problem for the Gamma equation transformed from the nonlinear Black-Scholes equation for pricing option to a quasilinear parabolic equation …
We consider a coupled system of parabolic equations that describes flow in fractured porous media with anomalous diffusion. Using a half-integer grid, the second and third boundary …
We consider the difference maximum principle with input data of variable sign and its application to the investigation of the monotonicity and convergence of finite-difference …
C Nwaigwe, A Weli - European Journal of Mathematics and Statistics, 2023 - ej-math.org
It is usually desirable to approximate the solution of mathematical problems with high-order of accuracy and preferably using compact stencils. This work presents an approach for …
In some applications, nano-sized particles are used to enhance heat transfer in thermal energy systems. Two important practical concerns are the shape of the nanoparticles and …
An unconditionally stable difference scheme is proposed for convectiondiffusion-reaction equations (CDREs) with nonlinear coefficients and sources. A key requirement in addition to …
C Nwaigwe - Mathematics in Applied Sciences and Engineering, 2020 - ojs.lib.uwo.ca
It is desirable that a numerical method is high-order accurate, compact, efficient and able to simulate purely convection problems. Most existing high-order methods for convection …