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Aniley, Worku, Duressa, Gemechis. (1403). A novel fitted numerical scheme for time-fractional singularly perturbed convection-diffusion problems with a delay in time via cubic $B$-spline approach. فیزیولوژی و بیوتکنولوژی آبزیان, 12(2), 215-231. doi: 10.22124/jmm.2023.25969.2303
Worku Tilahun Aniley; Gemechis File Duressa. "A novel fitted numerical scheme for time-fractional singularly perturbed convection-diffusion problems with a delay in time via cubic $B$-spline approach". فیزیولوژی و بیوتکنولوژی آبزیان, 12, 2, 1403, 215-231. doi: 10.22124/jmm.2023.25969.2303
Aniley, Worku, Duressa, Gemechis. (1403). 'A novel fitted numerical scheme for time-fractional singularly perturbed convection-diffusion problems with a delay in time via cubic $B$-spline approach', فیزیولوژی و بیوتکنولوژی آبزیان, 12(2), pp. 215-231. doi: 10.22124/jmm.2023.25969.2303
Aniley, Worku, Duressa, Gemechis. A novel fitted numerical scheme for time-fractional singularly perturbed convection-diffusion problems with a delay in time via cubic $B$-spline approach. فیزیولوژی و بیوتکنولوژی آبزیان, 1403; 12(2): 215-231. doi: 10.22124/jmm.2023.25969.2303

A novel fitted numerical scheme for time-fractional singularly perturbed convection-diffusion problems with a delay in time via cubic $B$-spline approach

Journal of Mathematical Modeling
مقاله 2، دوره 12، شماره 2، مهر 2024، صفحه 215-231    اصل مقاله (369.02 K)
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.22124/jmm.2023.25969.2303
نویسندگان
Worku Tilahun Aniley* ؛ Gemechis File Duressa
Department of Mathematics, Jimma University, Jimma, Ethiopia
چکیده
This paper presents a uniformly convergent numerical scheme for time-fractional  singularly perturbed convection-diffusion problem with delay in time. The time-fractional derivative is considered in the Caputo sense and treated using the implicit Euler method. Then, a uniformly convergent numerical scheme based on cubic $B$-spline method is developed along the spatial direction. The technique is proved rigorously for parameter-uniform convergence. By a numerical experimentation, it is also validated that the computational result agrees with the theoretical expectation and it is also more accurate than some existing numerical methods.
کلیدواژه‌ها
Time-fractional؛ convection-diffusion؛ uniformly convergent؛ cubic $B$-spline
آمار
تعداد مشاهده مقاله: 189
تعداد دریافت فایل اصل مقاله: 273


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