Abstract
An output-based adaptive, higher-order discontinuous Galerkin finite element method is applied to the solution of standard turbulence modeling test cases drawn from the NASA Turbulence Modeling Resource website, specifically subsonic flow over a flat plate and a NACA 0012 airfoil. Results are presented for the current solver using linear, quadratic, and cubic solution approximations on both structured grids and adapted grids. Comparisons are also made with NASA Reynolds-averaged Navier–Stokes solvers FUN3D and CFL3D. Analysis is presented for the adaptive grids, particularly concerning grid refinement in the vicinity of flowfield singularities for both test cases.
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