Stochastic Excitation of Gravity Waves by Overshooting Convection in Solar-Type Stars

被引：0
|
作者：
Boris Dintrans
Axel Brandenburg
Åke Nordlund
Robert F. Stein
机构：
[1] Observatoire Midi-Pyrénées,Laboratoire d'Astrophysique
[2] Nordic Institute for Theoretical Physics,Department of Physics and Astronomy
[3] Theoretical Astrophysics Center,undefined
[4] and Astronomical Observatory,undefined
[5] Michigan State University,undefined
来源：
Astrophysics and Space Science | 2003年 / 284卷
关键词：
Stars: oscillations –; Convection;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The excitation of gravity waves by penetrative convective plumes isinvestigated using 2D direct simulations of compressible convection.The oscillation field is measured by a new technique based on theprojection of our simulation data onto the theoretical g-modes solutionsof the associated linear eigenvalue problem. This allows us to determineboth the excited modes and their corresponding amplitudes accurately.
引用
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页码：237 / 240
页数：3
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