Evaluation of LES models for flow over bluff body from engineering application perspective | Zendy

S. Vengadesan | Zendy; Akihiko Nakayama | Zendy

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Evaluation of LES models for flow over bluff body from engineering application perspective

Author(s) -

S. Vengadesan,

Akihiko Nakayama

Publication year - 2005

Publication title -

sadhana

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.268

H-Index - 49

eISSN - 0973-7677

pISSN - 0256-2499

DOI - 10.1007/bf02710076

Subject(s) - closure (psychology) , bluff , turbulence , flow (mathematics) , perspective (graphical) , industrial engineering , computer science , operations research , mathematics , mechanics , engineering , physics , economics , market economy , artificial intelligence

Three SGS stress closure LES models are evaluated for turbulent flow over a square cylinder. Emphasis is placed on solving engineering-application-type problems on affordable computer resources and within reasonable turnaround times. Results are compared with available experimental data and previously published workshop results. Numerical strategies are kept the same for all the cases. Results are also discussed keeping in view limitations of LES methodology of modelling for practical problems and current developments. It is concluded that a one-equation model for subgrid kinetic energy is the best choice.

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