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Published in:
On Scale Separation in Large Eddy Simulations Read chapter Read first chapter

2015 | OriginalPaper | Chapter

Numerical Simulation of Breaking Gravity Waves

Authors : S. Remmler, M. D. Fruman, U. Achatz, S. Hickel

Published in: Direct and Large-Eddy Simulation IX

Publisher: Springer International Publishing

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Abstract

Geophysical flows including stable stratification and system rotation are a special challenge for turbulence subgrid-sclae models for large-eddy simulation (LES) and hence require validation with suitable test cases. We validate different subgrid-scale models for this kind of flows using a breaking monochromatic inertia-gravity wave that has been studied before. We find that the standard Smagorinsky model cannot be recommended while the dynamic Smagorinsky model and the implicit turbulence model ALDM are suitable to simulate this complex flow with high accuracy.

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previous chapter Shape Optimization and Active Flow Control of Truck-Trailers for Improved Aerodynamics Using Large-Eddy Simulation and Response Surfaces
next chapter DNS of a Radiatively Driven Cloud-Top Mixing Layer as a Model for Stratocumulus Clouds
Literature
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Remmler, S., Fruman, M.D., Hickel, S.: Direct numerical simulation of a breaking inertiagravity wave. J. Fluid Mech. 722, 424–436 (2013)CrossRefMATHMathSciNet
2.
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Germano, M., Piomelli, U., Moin, P., Cabot, W.H.: A dynamic subgrid-scale eddy viscosity model. Phys. Fluids A 3(7), 1760–1765 (1991)CrossRefMATH
Metadata
Title
Numerical Simulation of Breaking Gravity Waves
Authors
S. Remmler
M. D. Fruman
U. Achatz
S. Hickel
Copyright Year
2015
Book
Direct and Large-Eddy Simulation IX

Print ISBN: 978-3-319-14447-4

Electronic ISBN: 978-3-319-14448-1

Copyright Year: 2015

DOI
https://doi.org/10.1007/978-3-319-14448-1_52

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