Results 21 to 30 of about 1,127 (163)

Numerical solution of time-dependent Emden-Fowler equations using bivariate spectral collocation method on overlapping grids

open access: yesNonlinear Engineering, 2020
In this work, we present a new modification to the bivariate spectral collocation method in solving Emden-Fowler equations. The novelty of the modified approach is the use of overlapping grids when applying the Chebyshev spectral collocation method.
Mkhatshwa Musawenkhosi P.   +2 more
doaj   +1 more source

AN EXPLICIT SPECTRAL COLLOCATION METHOD FOR THE DRUG RELEASE CORONARY STENTS

open access: yesMathematical Modelling and Analysis, 2022
This research aims to solve a comprehensive one-dimensional model of drug release from cardiovascular stents in which the drug binding is saturable and reversible. We used the Lagrange collocation method for space dimension and the modified Euler method for time discretization. The existence and uniqueness of the solution, are provided. The consistency,
Fakhri, Somayeh   +1 more
openaire   +2 more sources

A Conservative Crank-Nicolson Fourier Spectral Method for the Space Fractional Schrödinger Equation with Wave Operators

open access: yesJournal of Function Spaces, 2021
In this paper, the Crank-Nicolson Fourier spectral method is proposed for solving the space fractional Schrödinger equation with wave operators. The equation is treated with the conserved Crank-Nicolson Fourier Galerkin method and the conserved Crank ...
Lei Zhang   +3 more
doaj   +1 more source

Numerical investigations of a new singular second-order nonlinear coupled functional Lane–Emden model

open access: yesOpen Physics, 2020
The present study aims to design a second-order nonlinear Lane–Emden coupled functional differential model and numerically investigate by using the famous spectral collocation method.
Abdelkawy Mohamed A.   +3 more
doaj   +1 more source

The spectral collocation method for stochasticdifferential equations

open access: yesDiscrete and Continuous Dynamical Systems - B, 2013
In this paper, we use the Chebyshev spectral collocation method to solve a certain type of stochastic differential equations (SDEs). We also use this method to estimate parameters of stochastic differential equations from discrete observations by maximum likelihood technique and Kessler technique.
Can Huang, Zhimin Zhang
openaire   +1 more source

Numerical Solution for Elliptic Interface Problems Using Spectral Element Collocation Method

open access: yesAbstract and Applied Analysis, 2014
The aim of this paper is to solve an elliptic interface problem with a discontinuous coefficient and a singular source term by the spectral collocation method.
Peyman Hessari   +2 more
doaj   +1 more source

On the bivariate spectral quasi-linearization method for solving the two-dimensional Bratu problem

open access: yesOpen Physics, 2018
In this paper, a bivariate spectral quasi-linearization method is used to solve the highly non-linear two dimensional Bratu problem. The two dimensional Bratu problem is also solved using the Chebyshev spectral collocation method which uses Kronecker ...
Muzara Hillary   +2 more
doaj   +1 more source

Numerical Solution of Advection–Diffusion Equation of Fractional Order Using Chebyshev Collocation Method

open access: yesFractal and Fractional, 2023
This work presents a highly accurate method for the numerical solution of the advection–diffusion equation of fractional order. In our proposed method, we apply the Laplace transform to handle the time-fractional derivative and utilize the Chebyshev ...
Farman Ali Shah   +4 more
doaj   +1 more source

Fully Legendre spectral collocation technique for stochastic heat equations

open access: yesOpen Physics, 2021
For the stochastic heat equation (SHE), a very accurate spectral method is considered. To solve the SHE, we suggest using a shifted Legendre Gauss–Lobatto collocation approach in combination with a shifted Legendre Gauss–Radau collocation technique.
Abdelkawy Mohamed A.   +3 more
doaj   +1 more source

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