Exploration of digital-filter and forward-stepwise synthetic turbulence generators and an improvement for their skewness-kurtosis

•Exact digital-filter method produced the highest level of turbulence fidelity.•Forward-stepwise method yielded the best cost-fidelity trade-off.•Gaussian-form correlation approximation caused premature drops in power spectra.•New functionality reconstructed given one-point skewness-kurtosis statist...

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Veröffentlicht in:	Computers & fluids 2018-08, Vol.172, p.443-466
Hauptverfasser:	Bercin, Kutalmis M., Xie, Zheng-Tong, Turnock, Stephen R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Channel flow Computational fluid dynamics Computer simulation Correlation Exploration Fluid flow Generators Inflow turbulence Inlet conditions Isotropic turbulence Kurtosis Mathematical models Non-Gaussian turbulence Non-Gaussian wind Normal distribution Power spectra Random flow generation Reconstruction Skewness Statistical tests Synthetic products Synthetic turbulence Synthetic wind Tensors Turbulent flow Wind
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