Computational Study of Multiterm Time-Fractional Differential Equation Using Cubic B-Spline Finite Element Method

Shams Ul Arifeen, Sirajul Haq, Farhan Golkarmanesh and Jesus M. Munoz-Pacheco

Complexity, 2022, vol. 2022, 1-15

Abstract: Due to the symmetry feature in nature, fractional differential equations precisely measure and describe biological and physical processes. Multiterm time-fractional order has been introduced to model complex processes in different physical phenomena. This article presents a numerical method based on the cubic B-spline finite element method for the solution of multiterm time-fractional differential equations. The temporal fractional part is defined in the Caputo sense while the B-spline finite element method is employed for space approximation. In addition, the four-point Gauss−Legendre quadrature is applied to evaluate the source term. The stability of the proposed scheme is discussed by the Von Neumann method, which verifies that the scheme is unconditionally stable. L2 and L∞ norms are used to check the efficiency and accuracy of the proposed scheme. Computed results are compared with the exact and available methods in the literature, which show the betterment of the proposed method.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:3160725

DOI: 10.1155/2022/3160725

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