期刊
ASTROPHYSICAL JOURNAL
卷 755, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/755/1/7
关键词
hydrodynamics; methods: numerical; planet-disk interactions; planets and satellites: formation; protoplanetary disks
资金
- NASA [NNX10AF62G, NNX11AE05G]
- NSF [AST-1009863]
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [1009863] Funding Source: National Science Foundation
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [934317] Funding Source: National Science Foundation
We calculate the global quasi-steady state of a thin disk perturbed by a low-mass protoplanet orbiting at a fixed radius using extremely high resolution numerical integrations of Euler's equations in two dimensions. The calculations are carried out using a moving computational domain, which greatly reduces advection errors and allows for much longer time steps than a fixed grid. We calculate the angular momentum flux and the torque density as a function of radius and compare them with analytical predictions. We discuss the quasi-steady state after 100 orbits and the prospects for gap formation by low-mass planets.
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