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Direct Numerical Simulation of Breaking Atmospheric Gravity Waves

In: High Performance Computing in Science and Engineering ‘14

Author

Listed:
  • Sebastian Remmler

    (Technische Universität München, Institute of Aerodynamics and Fluid Mechanics)

  • Stefan Hickel

    (Technische Universität München, Institute of Aerodynamics and Fluid Mechanics)

  • Mark D. Fruman

    (Goethe-University Frankfurt, Institute for Atmosphere and Environment)

  • Ulrich Achatz

    (Goethe-University Frankfurt, Institute for Atmosphere and Environment)

Abstract

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.

Suggested Citation

  • Sebastian Remmler & Stefan Hickel & Mark D. Fruman & Ulrich Achatz, 2015. "Direct Numerical Simulation of Breaking Atmospheric Gravity Waves," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering ‘14, edition 127, pages 593-607, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-10810-0_39
    DOI: 10.1007/978-3-319-10810-0_39
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