Numerical scale separation in large-eddy simulation

  title={Numerical scale separation in large-eddy simulation},
  author={By R. W. C. P. Verstappen and W. Rozema and Hwa ju Bae},
  • By R. W. C. P. Verstappen, W. Rozema, Hwa ju Bae
  • Published 2014
Large-eddy simulation (LES) seeks to predict the dynamics of spatially filtered turbulent flows. The essence of a scale-separation LES model is that it stops the nonlinear production of smaller scales of motion at the scale set by the filter: there the modeled eddy dissipation has to balance the production. Numerical discretization changes both the nonlinear production and dissipation of sub-filter scales. Therefore, the discrete balance between production and dissipation can deviate from the… CONTINUE READING


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