RANS Solutions Using High Order Discontinuous Galerkin Methods

@inproceedings{Nguyen2007RANSSU,
  title={RANS Solutions Using High Order Discontinuous Galerkin Methods},
  author={Ngoc Cuong Nguyen and Per-Olof Persson and Jaime Peraire},
  year={2007}
}
We present a practical approach for the numerical solution of the Reynolds averaged Navier-Stokes (RANS) equations using high-order discontinuous Galerkin methods. Turbulence is modeled by the Spalart-Allmaras (SA) one-equation model. We introduce an artificial viscosity model for SA equation which is aimed at accommodating high-order RANS approximations on grids which would otherwise be too coarse. Generally, the model term is only active at the edge of the boundary layer, where the grid… CONTINUE READING
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