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

页码：237 / 240

页数：3

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