Results 1 to 10 of about 396,684 (278)

A compact finite difference scheme with absorbing boundary condition for forced KdV equation [PDF]

open access: yesMethodsX, 2023
Studying the long-time solution behavior of the Korteweg-de Vries (KdV) type equation with a periodic force acting at one end of the long channel is important for simulating the blood flow in artery driven by heart pulses.
Jiaqi Chen, Weizhong Dai
doaj   +2 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

A Fourth-Order Compact Finite Difference Scheme for Solving the Time Fractional Carbon Nanotubes Model [PDF]

open access: yesThe Scientific World Journal, 2022
In this work, we deal with unsteady magnetohydrodynamic allowed convection inflow of blood with a carbon nanotubes model; the single and multiwalled carbon nanotubes of human blood are used as a based fluid. Two numerical methods used to study this model
N. H. Sweilam   +3 more
doaj   +2 more sources

Higher-Order Compact Finite Difference for Certain PDEs in Arbitrary Dimensions [PDF]

open access: yesJournal of Function Spaces, 2020
In this paper, we first present the expression of a model of a fourth-order compact finite difference (CFD) scheme for the convection diffusion equation with variable convection coefficient.
Yan Gao, Songlin Liu
doaj   +3 more sources

Compact Finite Differences Method for FitzHugh-Nagumo Equation

open access: yesUniversal Journal of Mathematics and Applications, 2019
In this paper, we developed the compact finite differences method to find approximate solutions for the FitzHugh-Nagumo (F-N) equations. To the best of our knowledge, until now there is no compact finite difference solutions have been reported for the ...
Canan Akkoyunlu
doaj   +3 more sources

Construction of invariant compact finite-difference schemes [PDF]

open access: yesPhysical Review E, 2020
In this paper we propose a method, which is based on equivariant moving frames, for development of high-order accurate invariant compact finite-difference schemes that preserve Lie symmetries of underlying partial differential equations. In this method, variable transformations that are obtained from the extended symmetry groups of partial differential
E. Ozbenli, P. Vedula
openaire   +2 more sources

On compact 4th order finite-difference schemes for the wave equation

open access: yesMathematical Modelling and Analysis, 2021
We consider compact finite-difference schemes of the 4th approximation order for an initial-boundary value problem (IBVP) for the n-dimensional nonhomogeneous wave equation, n≥ 1.
Alexander Zlotnik, Olga Kireeva
doaj   +1 more source

High Order Compact Finite Difference Schemes for Solving Bratu-Type Equations [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2019
In the present study, high order compact finite difference methods is used to solve one-dimensional Bratu-type equations numerically. The convergence analysis of the methods is discussed and it is shown that the theoretical order of the method is ...
Raziyeh Gharechahi   +2 more
doaj   +1 more source

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

Numerical Solution of the Fredholm Integro-Differential Equations Using High-Order Compact Finite Difference Method [PDF]

open access: yesمجلة التربية والعلم, 2023
This work aims to present a numerical method for solving Fredholm integro-differential equations (FIDE). This work discusses the use of a fourth and sixth-order compact finite difference method (CFDM) based on composite Boole’s rule to solve FIDE.
Surme R. Saber   +2 more
doaj   +1 more source

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