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In this paper a procedure for large-eddy simulation (LES) has been devisedfor fluid and magnetohydrodynamic turbulence in Fourier space using therenormalized parameters. The parameters calculated using field theory have beentaken from recent papers by Verma [Phys. Rev. E, 2001; Phys. Plasmas, 2001]. Wehave carried out LES on $64^3$ grid. These results match quite well with directnumerical simulations of $128^3$. We show that proper choice of parameter isnecessary in LES.Comment: 12 pages, 4 figures: Proper figures inserte

Large-eddy simulations of fluid and magnetohydrodynamic turbulence using renormalized parameters