We present a fully discrete stability analysis of the domain-of-dependence stabilization for hyperbolic problems. The method aims to address issues caused by small cut cells by redistributing mass around the neighborhood of a small cut cell at a semi-discrete level. Our analysis is conducted for the linear advection model problem in one spatial dimension. We demonstrate that fully discrete stability can be achieved under a time step restriction that does not depend on the arbitrarily small cells, using an operator norm estimate. Additionally, this analysis offers a detailed understanding of the stability mechanism and highlights some challenges associated with higher-order polynomials. We also propose a way to mitigate these issues to derive a feasible CFL-like condition. The analytical findings, as well as the proposed solution are verified numerically in one- and two-dimensional simulations.
Keywords: cut-cell meshes, discontinuous Galerkin methods, domain-of-dependence stabilization, semibounded operators, energy stability, Runge–Kutta methods
Louis Petri  1 ; Gunnar Birke  2 ; Christian Engwer  2 ; Hendrik Ranocha  1
Louis Petri; Gunnar Birke; Christian Engwer; Hendrik Ranocha. The domain-of-dependence stabilization for cut-cell meshes is fully discretely stable. The SMAI Journal of computational mathematics, Volume 12 (2026), pp. 187-218. doi: 10.5802/smai-jcm.147
@article{SMAI-JCM_2026__12__187_0,
author = {Louis Petri and Gunnar Birke and Christian Engwer and Hendrik Ranocha},
title = {The domain-of-dependence stabilization for cut-cell meshes is fully discretely stable},
journal = {The SMAI Journal of computational mathematics},
pages = {187--218},
year = {2026},
publisher = {Soci\'et\'e de Math\'ematiques Appliqu\'ees et Industrielles},
volume = {12},
doi = {10.5802/smai-jcm.147},
language = {en},
url = {https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.147/}
}
TY - JOUR AU - Louis Petri AU - Gunnar Birke AU - Christian Engwer AU - Hendrik Ranocha TI - The domain-of-dependence stabilization for cut-cell meshes is fully discretely stable JO - The SMAI Journal of computational mathematics PY - 2026 SP - 187 EP - 218 VL - 12 PB - Société de Mathématiques Appliquées et Industrielles UR - https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.147/ DO - 10.5802/smai-jcm.147 LA - en ID - SMAI-JCM_2026__12__187_0 ER -
%0 Journal Article %A Louis Petri %A Gunnar Birke %A Christian Engwer %A Hendrik Ranocha %T The domain-of-dependence stabilization for cut-cell meshes is fully discretely stable %J The SMAI Journal of computational mathematics %D 2026 %P 187-218 %V 12 %I Société de Mathématiques Appliquées et Industrielles %U https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.147/ %R 10.5802/smai-jcm.147 %G en %F SMAI-JCM_2026__12__187_0
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