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Mechanical Engineering Commons

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2011

Aerospace Engineering

Masters Theses 1911 - February 2014

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Full-Text Articles in Mechanical Engineering

Numerical Forcing Of Horizontally-Homogeneous Stratified Turbulence, Kaustubh J. Rao Jan 2011

Numerical Forcing Of Horizontally-Homogeneous Stratified Turbulence, Kaustubh J. Rao

Masters Theses 1911 - February 2014

It is often desirable to study simulated turbulent flows at steady state even if the flow has no inherent source of turbulence kinetic energy. Doing so requires a numerical forcing scheme and various methods have been studied extensively for turbulence that is isotropic and homogeneous in three dimensions. A review of these existing schemes is used to form a framework for more general forcing methods. In this framework, the problem of developing a forcing scheme in Fourier space is abstracted into the two problems of (1) prescribing the spectrum of the input power and (2) specifying a force that has ...