Direct Numerical Simulation of Breaking Atmospheric Gravity Waves

被引：1

作者：

Remmler, Sebastian ^{[1
]}

Hickel, Stefan ^{[1
]}

Fruman, Mark D. ^{[2
]}

Achatz, Ulrich ^{[2
]}

机构：

[1] Tech Univ Munich, Inst Aerodynam & Fluid Mech, D-85747 Garching, Germany

[2] Goethe Univ Frankfurt, Inst Atmosphere & Environm, D-60438 Frankfurt, Germany

来源：

HIGH PERFORMANCE COMPUTING IN SCIENCE AND ENGINEERING'14: TRANSACTIONS OF THE HIGH PERFORMANCE COMPUTING CENTER, STUTTGART (HLRS) 2014 | 2015年

关键词：

GENERAL-CIRCULATION; MIDDLE ATMOSPHERE; DRAG; PARAMETERIZATION; CONVECTION; MODELS;

D O I：

10.1007/978-3-319-10810-0_39

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We present the results of fully resolved direct numerical simulations of monochromatic gravity waves breaking in the middle atmosphere. The simulations are initialized with optimal perurbations of the gives waves. Given a wavelength of 3 km, the required grid sizes range up to 3.6 billion computational cells, depending on the necessary domain size and the turbulence intensity. Our results provide an insight into the mechanics of gravity wave breaking they will be of great value for the validation of lower order methods for the prediction of wave breaking.

引用

页码：593 / 607

页数：15

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