Sparse invariant-domain-preserving mortar fluxes based on LGL subcell characteristic functions enable convex limiting of LGL-DGSEM on nonconforming Cartesian AMR meshes.
Löhner, An adaptive finite element scheme for transient problems in cfd, Computer Methods in Applied Mechanics and Engineering 61 (1987) 323–338
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Invariant-domain-preserving limiting with Adaptive Mesh Refinement for Legendre-Gauss-Lobatto Discontinuous Galerkin Spectral Element Methods
Sparse invariant-domain-preserving mortar fluxes based on LGL subcell characteristic functions enable convex limiting of LGL-DGSEM on nonconforming Cartesian AMR meshes.