An Energy-Based Similarity Subgrid-Scale Model in Two-Dimensional Planar Shear Flow

Abstract:

A new type of similarity subgrid-scale (SGS) model which based on energy and dissipative scale isotropy assumption is presented. This model combines the advantages of traditional Smagorinsky SGS model with similarity SGS model. And a two-dimensional shear layer flow is simulated using refined grid result as a standard and comparing witch LES method including multiple SGS models. The results indicate that the result of SIM model much approximates to refined grid result than other SGS models.

• Periodical: Advanced Materials Research (Volumes 694-697)
• Pages: 594-600
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.694-697.594
• Online since: May 2013
• Authors: Yu Xuan Zhang, Song Ping Wu
• Keywords: LES, Shear Layer, Similarity, Subgrid-Scale Model

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