Toward an efficient second‐order method for computing the surface gravitational potential on spherical‐polar meshes

Astrophysical accretion discs that carry a significant mass compared with their central object are subject to the effect of self‐gravity. In the context of circumstellar discs, this can, for instance, cause fragmentation of the disc gas, and—under suitable conditions—lead to the direct formation of...

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Vydané v:	Astronomische Nachrichten Ročník 345; číslo 8
Hlavní autori:	Gressel, Oliver, Ziegler, Udo
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Weinheim WILEY‐VCH Verlag GmbH & Co. KGaA 01.10.2024 Wiley Subscription Services, Inc
Predmet:	accretion discs Accretion disks Boundary conditions Computational grids Gas formation gravitational instability Green's functions Multipoles Planet formation Poisson equation Poisson solver self‐gravity
ISSN:	0004-6337, 1521-3994
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