A dynamic model for the Lagrangian-averaged Navier-Stokes-α equations

@article{Zhao2005ADM,
  title={A dynamic model for the Lagrangian-averaged Navier-Stokes-α equations},
  author={Hongwu Zhao and K. Mohseni},
  journal={Physics of Fluids},
  year={2005},
  volume={17},
  pages={075106}
}
  • Hongwu Zhao, K. Mohseni
  • Published 2005
  • Physics
  • Physics of Fluids
  • A dynamic procedure for the Lagrangian-averaged Navier-Stokes-α (LANS-α) equations is developed where the variation in the parameter α in the direction of anisotropy is determined in a self-consistent way from the data contained in the simulation itself. In order to derive this model, the incompressible Navier-Stokes equations are Helmholtz filtered at the grid and test filter levels. A Germano-type identity is derived by comparing the filtered subgrid-scale stress terms with those given in the… CONTINUE READING
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