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Conference Papers Year : 2023

Two-Dimensional Linear Implicit Relaxed Scheme for Hyperbolic Conservation Laws

Abstract

We present a two-dimensional extension to the linear implicit all-speed finite volume scheme for hyperbolic conservation laws based on Jin-Xin relaxation recently forwarded in [6]. It is based on stiffly accurate SDIRK methods in time and a convex combination of Rusanov and centered fluxes in space making it asymptotically consistent in the low Mach number regime and allows an accurate capturing of material waves under large time steps. The scheme is numerically tested on the Euler equations and a non-linear model for elasticity in the compressible and low Mach number regime.
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Dates and versions

hal-04375673 , version 1 (08-02-2024)

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Angelo Iollo, Gabriella Puppo, Andrea Thomann. Two-Dimensional Linear Implicit Relaxed Scheme for Hyperbolic Conservation Laws. FVCA 2023 - Finite Volumes for Complex Applications X, Oct 2023, Strasbourg, France. pp.171-179, ⟨10.1007/978-3-031-40860-1_18⟩. ⟨hal-04375673⟩
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