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Laibe, Guillaume; Lombart, Maxime
Monthly notices of the Royal Astronomical Society, 01/2022, Letnik: 510, Številka: 4Journal Article
ABSTRACT Evolving the size distribution of solid aggregates challenges simulations of young stellar objects. Among other difficulties, generic formulae for stability conditions of explicit solvers provide severe constraints when integrating the coagulation equation for astrophysical objects. Recent numerical experiments have reported that these generic conditions may be much too stringent. By analysing the coagulation equation in the Laplace space, we explain why this is indeed the case and provide a novel stability condition that avoids time oversampling.
