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Large eddy simulation of decaying magnetohydrodynamic turbulence with dynamic subgrid-modeling (2001)

Agullo, O. ; Müller, W.-C. ; Knaepen, B. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Physics of Plasmas 8 (2001), S. 3502-3505

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ISSN: 1089-7674

Source: AIP Digital Archive

Topics: Physics

Notes: The numerical large eddy simulation (LES) technique is tested on decaying magnetohydrodynamic (MHD) turbulence. The LES approach allows for a strong reduction in computational cost compared to direct numerical simulations by modeling the effects of the smallest turbulent scales instead of computing them directly. Two small-scale models of eddy-viscosity type are presented for this purpose in combination with a procedure for the self-consistent calculation of the model parameters in the course of the simulation. The method is successfully tested by comparing the obtained results to a high-resolution direct numerical simulation of decaying three-dimensional MHD turbulence. © 2001 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1372337

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