ADAPTIVE REMESHING FOR THE K-EPSILON MODEL OF TURBULENCE

An adaptive finite element method for solving incompressible turbulent flows using the kappa-epsilon model of turbulence is presented, Solut ions are obtained in primitive variables using a highly accurate quadr atic finite element on unstructured grids, Turbulence is modeled using the kappa-epsilon model of turbulence, Two error estimators are prese nted that take into account in a rigorous way the relative importance of the errors in velocity, pressure, turbulence variables, and eddy vi scosity. The efficiency and convergence rate of the methodology are ev aluated by solving problems with known analytical solutions. The metho d is then applied to turbulent free shear flows and predictions are co mpared to measurements.