Unconditionally optimal time two-mesh mixed finite element algorithm for a nonlinear fourth-order distributed-order time fractional diffusion equation

In this article, a fast second-order time two-mesh mixed finite element (TT-MMFE) algorithm is considered to numerically solve the nonlinear fourth-order distributed-order time fractional diffusion equation, where the generated formula for the fractional BDF2 and fractional trapezoidal rule through...

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Vydáno v:	Physica. D Ročník 460; s. 134090
Hlavní autoři:	Wen, Cao, Wang, Jinfeng, Liu, Yang, Li, Hong, Fang, Zhichao
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Elsevier B.V 01.04.2024
Témata:	Fourth-order distributed-order time fractional diffusion equation Mixed finite element method Time two-mesh algorithm Unconditional a priori error analysis Fourth-order distributed-order time fractional diffusion equation Mixed finite element method Time two-mesh algorithm Unconditional a priori error analysis
ISSN:	0167-2789, 1872-8022
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