On the Eddy Viscosity Associated with the Subgrid Stresses

  • A. CimarelliEmail author
  • A. Abbà
  • M. Germano
Conference paper
Part of the ERCOFTAC Series book series (ERCO, volume 25)


Thanks to its simplicity and robustness, the models based on the eddy viscosity concept represent the most common procedure to introduce the effect of the unresolved scales in the equations of motion for the Large Eddy Simulation (LES) approach. Indeed, the subgrid scale (sgs) viscosity approach allows from an energetic point of view to respect the dissipative nature of turbulence.


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Authors and Affiliations

  1. 1.Dipartimento di Ingegneria Industriale e Scienze MatematicheUniversità Politecnica delle MarcheAnconaItaly
  2. 2.Department of Aerospace Science and TechnologyPolitecnico di MilanoMilanItaly
  3. 3.Department of Civil and Environmental EngineeringDuke UniversityDurhamUSA

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