Constructs explicit high-order SBP finite difference operators for first-order hyperbolic systems in spherical coordinates with a grid point at the origin to handle 1/r^p singularities while preserving energy stability.
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High-Order Summation-By-Parts Schemes for First-Order Hyperbolic Systems in Curvilinear Coordinates with Singularities
Constructs explicit high-order SBP finite difference operators for first-order hyperbolic systems in spherical coordinates with a grid point at the origin to handle 1/r^p singularities while preserving energy stability.