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Multiple Scale Simulation for Transitional and Turbulent Flow (1996)

Liu, Zhining ; Liu, Chaoqun

In: CASI

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Publication Date: 2004-12-03

Description: A new concept, Multiple Scale Simulation (MSS), is presented in this paper. The basic idea is that the flow is decomposed into several component groups according to spatial and temporal length scales. Each group has its own subdomain, governing system, mesh size, and discretization method. The simulation is then performed groupwise. This approach has been successfully applied in combination with the intergrid dissipation technique for simulation of transitional and turbulent flow in 3-D boundary layers, and it is feasible for 3-D airfoils and other more complex configurations. MSS should prove to ameliorate the scale problems associated with conventional direct numerical simulation.

Keywords: Fluid Mechanics and Heat Transfer

Type: Seventh Copper Mountain Conference on Multigrid Methods; 473-487; NASA-CP-3339

Format: text

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