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Direct Numerical Simulations to Investigate Energy Transfer between Meso- and Synoptic Scales
Publisher: American Meteorological Society
Abstract: AbstractUnderstanding the development of the atmospheric energy spectrum across scales is necessary to elucidate atmospheric predictability. In this manuscript, the authors investigate energy transfer between the synoptic ...
Static and Dynamic Time Filtering Techniques for Hybrid RANS-Large Eddy Simulation of Non-Stationary Turbulent Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Unsteady turbulent wall bounded flows can include complex flow physics such as temporally varying mean pressure gradients, intermittent regions of high turbulence intensity, and interaction of different scales of motion. ...
Identification of Bypass Transition Onset Markers Using Direct Numerical Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Efficacy of several large-scale flow parameters as transition onset markers are evaluated using direct numerical simulation (DNS) of boundary layer bypass transition. Preliminary results identify parameters (k2D/ν) and ...