Efficient Generation of Inflow Conditions for Large Eddy Simulation of Street-Scale Flows

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Flow around a cube in a turbulent boundary layer: LES and experiment (2009, positive): “Recently a new, very efficient version of the alternative ‘digital filter’ approach has been demonstrated to be effective for rough-wall, urban-types of flows (Xie & Castro, 2008), but this was not available at the time the present computations were done.”
Large-eddy simulation of low-frequency unsteadiness in a turbulent shock-induced separation bubble (2009, methodology): “Most pseudo-random number generators will generate uniformly distributed numbers and one usually achieves a normal distribution simply by adding many (12 in Xie and Castro [56]) of those uniformly distributed sets.”
Large-Eddy Simulation of Flows over Random Urban-like Obstacles (2008, methodology): “Although there are techniques for inserting inlet turbulence (and we have ourselves developed a very efficient (filter-based) methodology— Xie and Castro 2008 ), the emphasis in the present work is on”
Synthetic Turbulence Generators for RANS-LES Interfaces in Zonal Simulations of Aerodynamic and Aeroacoustic Problems (2014, background): “[15], Tabor and Baba-Ahmadi [16], and Xie and Castro [17]).”