Homotopy Analysis Method for Solving (2+1)-Dimensional Navier-Stokes Equations with Perturbation Terms

Homotopy Analysis Method for Solving (2+1)-Dimensional Navier-Stokes Equations with Perturbation Terms

Year:    2018

Author:    Juanjuan Ji, Lanfang Zhang

Communications in Mathematical Research , Vol. 34 (2018), Iss. 1 : pp. 1–14

Abstract

In this paper Homotopy Analysis Method (HAM) is implemented for obtaining approximate solutions of (2+1)-dimensional Navier-Stokes equations with perturbation terms. The initial approximations are obtained using linear systems of the Navier-Stokes equations; by the iterations formula of HAM, the first approximation solutions and the second approximation solutions are successively obtained and Homotopy Perturbation Method (HPM) is also used to solve these equations; finally, approximate solutions by HAM of (2+1)-dimensional Navier-Stokes equations without perturbation terms and with perturbation terms are compared. Because of the freedom of choice the auxiliary parameter of HAM, the results demonstrate that the rapid convergence and the high accuracy of the HAM in solving Navier-Stokes equations; due to the effects of perturbation terms, the 3rd-order approximation solutions by HAM and HPM have great fluctuation.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.13447/j.1674-5647.2018.01.01

Communications in Mathematical Research , Vol. 34 (2018), Iss. 1 : pp. 1–14

Published online:    2018-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    14

Keywords:    Navier-Stokes equation homotopy analysis method homotopy perturbation method perturbation term

Author Details

Juanjuan Ji

Lanfang Zhang