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International Journal of Nonlinear Analysis and Applications، جلد ۱۲، شماره Special Issue، صفحات ۶۸۹-۶۹۸
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عنوان انگلیسی A second order fitted operator finite difference scheme for a modified Burgers equation
چکیده انگلیسی مقاله In this paper, a one-dimensional modified Burgers' equation is considered for different Reynolds numbers. For very high Reynolds numbers, the solution possesses a multiscale character in some part of the independent domain and thus can be classified as a singularly perturbed problem. A numerical scheme that uses a fitted operator finite difference scheme to solve the spatial derivatives and the implicit Euler scheme for the time derivative is proposed to solve the modified Burgers' equation via Rothe's method. It is important to note that the proposed fitted operator finite difference scheme is based on the midpoint upwind scheme. The stability of the scheme is established and the error associated with each discretisation is estimated. Numerical simulations are carried out to validate the theoretical findings.
کلیدواژه‌های انگلیسی مقاله Singularly perturbed problems, Modified Burger&apos,s equation, Uniform convergence
نویسندگان مقاله Nana Adjoah Mbroh |
Pure and Applied Analytics Focus Area, North West University, Mafikeng Campus, Private Bag X2046, Mmabatho, 2735, South Africa

Clovis Oukouomi Noutchie |
Pure and Applied Analytics Focus Area, School of Mathematical and Statistical Sciences, North West University, Mafikeng Campus, Private Bag X2046, Mmabatho, 2735, South Africa

Rodrigue Yves M'pika Massoukou |
Pure and Applied Analytics Focus Area, North West University, Mafikeng Campus, Private Bag X2046, Mmabatho, 2735, South Africa

نشانی اینترنتی https://ijnaa.semnan.ac.ir/article_5405_a457983d1aff2200d4d2a60e7447f096.pdf
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