Non-stiff boundary and interface penalties for narrow-stencil finite difference approximations of the Laplacian on curvilinear multiblock grids

Title
Non-stiff boundary and interface penalties for narrow-stencil finite difference approximations of the Laplacian on curvilinear multiblock grids
Authors
Keywords
Finite difference methods, Summation by parts, Second derivatives, Curvilinear coordinates, Variable coefficients, Acoustic wave propagation
Journal
JOURNAL OF COMPUTATIONAL PHYSICS
Volume 408, Issue -, Pages 109294
Publisher
Elsevier BV
Online
2020-01-29
DOI
10.1016/j.jcp.2020.109294

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