Sign on

SAO/NASA ADS Astronomy Abstract Service

· Find Similar Abstracts (with default settings below)
· Electronic Refereed Journal Article (HTML)
· Full Refereed Journal Article (PDF/Postscript)
· arXiv e-print (arXiv:astro-ph/0401425)
· References in the article
· Citations to the Article (24) (Citation History)
· Refereed Citations to the Article
· Also-Read Articles (Reads History)
·
· Translate This Page
Title:
Simulations of planet-disc interactions using Smoothed Particle Hydrodynamics
Authors:
Schäfer, C.; Speith, R.; Hipp, M.; Kley, W.
Affiliation:
AA(Computational Physics, Auf der Morgenstelle 10C, 72076 Tübingen, Germany), AB(Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UK; Computational Physics, Auf der Morgenstelle 10C, 72076 Tübingen, Germany), AC(Wilhelm-Schickard-Institut für Informatik, Sand 13, 72076 Tübingen, Germany), AD(Computational Physics, Auf der Morgenstelle 10C, 72076 Tübingen, Germany)
Publication:
Astronomy and Astrophysics, v.418, p.325-335 (2004) (A&A Homepage)
Publication Date:
04/2004
Origin:
A&A
Astronomy Keywords:
accretion, accretion discs, hydrodynamics, methods: numerical, stars: formation, stars: planetary systems
DOI:
10.1051/0004-6361:20034034
Bibliographic Code:
2004A&A...418..325S

Abstract

We have performed Smoothed Particle Hydrodynamics (SPH) simulations to study the time evolution of one and two protoplanets embedded in a protoplanetary accretion disc. We investigate accretion and migration rates of a single protoplanet depending on several parameters of the protoplanetary disc, mainly viscosity and scale height. Additionally, we consider the influence of a second protoplanet in a long time simulation and examine the migration of the two planets in the disc, especially the growth of eccentricity and chaotic behaviour. One aim of this work is to establish the feasibility of SPH for such calculations considering that usually only grid-based methods are adopted. To resolve shocks and to prevent particle penetration, we introduce a new approach for an artificial viscosity, which consists of an additional artificial bulk viscosity term in the SPH-representation of the Navier-Stokes equation. This allows accurate treatment of the physical kinematic viscosity to describe the shear, without the use of artificial shear viscosity.
Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)
  New!

Find Similar Abstracts:

Use: Authors
Title
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
Physics
arXiv e-prints