Non-stiff boundary and interface penalties for narrow-stencil finite difference approximations of the Laplacian on curvilinear multiblock grids
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Publication:2123357
DOI10.1016/j.jcp.2020.109294OpenAlexW2963135451WikidataQ109322166 ScholiaQ109322166MaRDI QIDQ2123357
Martin Almquist, Eric M. Dunham
Publication date: 8 April 2022
Published in: Journal of Computational Physics (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1907.08737
finite difference methodscurvilinear coordinatesacoustic wave propagationvariable coefficientssummation by partssecond derivatives
Related Items (7)
Elastic wave propagation in anisotropic solids using energy-stable finite differences with weakly enforced boundary and interface conditions ⋮ A residual-based artificial viscosity finite difference method for scalar conservation laws ⋮ An energy-based summation-by-parts finite difference method for the wave equation in second order form ⋮ A non-stiff summation-by-parts finite difference method for the scalar wave equation in second order form: characteristic boundary conditions and nonlinear interfaces ⋮ Multiresolution approximation for shallow water equations using summation-by-parts finite differences ⋮ Simulation of flexural-gravity wave propagation for elastic plates in shallow water using an energy-stable finite difference method with weakly enforced boundary and interface conditions ⋮ Boundary-optimized summation-by-parts operators for finite difference approximations of second derivatives with variable coefficients
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