Explicit and implicit LES closures for Burgers turbulence
作者:
Highlights:
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• A posteriori error analysis on implicit and explicit large eddy simulation closure models is performed.
• Variants of functional and structural models equipped with various low-pass filters are developed.
• An enhanced version of the van Cittert algorithm is put forth to accelerate the convergence of AD-LES.
• The modeling abilities of these methods have been tested for the Burgers turbulence problem.
• CRWENO method is found to be accurate in capturing longer inertial range with no pile-up.
摘要
•A posteriori error analysis on implicit and explicit large eddy simulation closure models is performed.•Variants of functional and structural models equipped with various low-pass filters are developed.•An enhanced version of the van Cittert algorithm is put forth to accelerate the convergence of AD-LES.•The modeling abilities of these methods have been tested for the Burgers turbulence problem.•CRWENO method is found to be accurate in capturing longer inertial range with no pile-up.
论文关键词:Large eddy simulations,Approximate deconvolution,Explicit filtering,Implicit LES,Closure modeling,Shock capturing
论文评审过程:Received 6 December 2016, Revised 18 April 2017, Available online 17 June 2017, Version of Record 27 June 2017.
论文官网地址:https://doi.org/10.1016/j.cam.2017.06.003