Caputo算子内Navier-Stokes方程的分数视图分析

Q1 Mathematics
Hassan Khan , Qasim Khan , Poom Kumam , Hajira , Fairouz Tchier , Said Ahmed , Gurpreet Singh , Kanokwan Sitthithakerngkiet
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引用次数: 0

摘要

本文将残差幂级数法应用于具有初始条件的二维和三维Navier-stokes方程的求解。分数阶导数使用卡普托算子。该公式是一般形式,然后应用到具体问题,以检验所建议的方法的有效性。给出了分数阶和整数阶Navier-stokes方程的数值解。通过对解的二维和三维图进行比较,证实了所提方法具有较高的精度。每个问题的计算结果、精确解和绝对误差都用表格表示。研究了随着问题级数解中项数的增加,得到的解与每个问题的实际解具有紧密的联系。计算结果表明,该方法准确、简便,可进一步推广到线性和非线性问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The fractional view analysis of the Navier-Stokes equations within Caputo operator

In this research article the residual power series method is implemented for the solution of the Navier-stokes equations with two and three dimensions having the initial conditions. Caputo operator is used for the fractional derivative. The formulation is made in general form and then applied to the specific problems to check the validity of the suggested method. The solution of some numerical examples of the Navier-stokes equations are presented for both fractional and integer orders of the problems. The comparison of the obtained and exact solution is provided by using 2D and 3D plots of the solutions which confirmed the higher accuracy of the proposed method. Tables are drawn to show the results obtained, exact solutions and absolute error of the suggested method for each problem. It is investigated that as the number of terms increase in the series solution of the problems, the obtained solutions have the closed contact with actual solutions of each problem. From the calculated values it is cleared that the method is accurate and easy and therefore can be extended further to linear and nonlinear problems.

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来源期刊
Chaos, Solitons and Fractals: X
Chaos, Solitons and Fractals: X Mathematics-Mathematics (all)
CiteScore
5.00
自引率
0.00%
发文量
15
审稿时长
20 weeks
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