A fourth order finite difference method for solving elliptic interface problems with the FFT acceleration

Title
A fourth order finite difference method for solving elliptic interface problems with the FFT acceleration
Authors
Keywords
Elliptic interface problem, Mixed boundary conditions, Fast Fourier transform (FFT), High order central difference schemes, Matched interface and boundary method (MIB), Gradient recovery
Journal
JOURNAL OF COMPUTATIONAL PHYSICS
Volume 419, Issue -, Pages 109677
Publisher
Elsevier BV
Online
2020-06-23
DOI
10.1016/j.jcp.2020.109677

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