2018
DOI: 10.3390/app8010042
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Finite Difference/Collocation Method for a Generalized Time-Fractional KdV Equation

Abstract: Abstract:In this paper, we studied the numerical solution of a time-fractional Korteweg-de Vries (KdV) equation with new generalized fractional derivative proposed recently. The fractional derivative employed in this paper was defined in Caputo sense and contained a scale function and a weight function. A finite difference/collocation scheme based on Jacobi-Gauss-Lobatto (JGL) nodes was applied to solve this equation and the corresponding stability was analyzed theoretically, while the convergence was verified… Show more

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Cited by 18 publications
(17 citation statements)
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“…(2.15) Lemma 2.2. If the scale function ζ fulfills (2.4), and the weight function ω is non-negative and non-decreasing on uniform time grids, then (i) [26] Linear approximation coefficient satisfies,…”
Section: Numerical Scheme For the Generalized Caputo Fractional Deriv...mentioning
confidence: 99%
See 1 more Smart Citation
“…(2.15) Lemma 2.2. If the scale function ζ fulfills (2.4), and the weight function ω is non-negative and non-decreasing on uniform time grids, then (i) [26] Linear approximation coefficient satisfies,…”
Section: Numerical Scheme For the Generalized Caputo Fractional Deriv...mentioning
confidence: 99%
“…In [18], authors presented numerical scheme for the generalized fractional telegraph equation in time. Cao et al [26] worked on the generalized time-fractional Kdv equation. Xu et al [27] considered the solution of generalized fractional diffusion equation.…”
Section: Introductionmentioning
confidence: 99%
“…For truncation error (3.3), in order to overcome the difficult caused by nonlinearity of scale function, Newton's interpolation method can be utilized to generate a satisfying approximation. For instance, see for more details of linearization.Lemma () . Denote by U ( ξ ) = σ ( z −1 ( ξ )) u ( x , z −1 ( ξ )) for ξ ∈ [ z 0 , z M ].…”
Section: Numerical Schemementioning
confidence: 99%
“…A finite difference scheme with the same accuracy as L 1‐scheme for the approximation of generalized derivative is proposed. In , a generalized time‐fractional KdV equation using finite difference/collocation method is studied. In , numerical solutions for one‐dimensional time‐fractional diffusion and Burgers equations with generalized fractional derivative are derived by finite difference method.…”
Section: Introductionmentioning
confidence: 99%
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