仇恨 发表于 2025-3-26 22:37:23
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Complex Effects in Large Eddy Simulations,nce. Initially limited to the simulation of turbulent flows in simple geometries, current LES tools are being applied to multidisciplinary problems involving a variety of physical processes. Several examples of recent advances in LES methodology and complex multi-physics applications are presented.Irrigate 发表于 2025-3-27 12:44:05
ANear-Wall Eddy-Viscosity Formulation for LES,e resolved turbulent stress in the near-wall region. The RANS eddy-viscosity is obtained from an averaged velocity profile of a resolved LES of channel flow at .τ = 395 and stored in a look-up table. Results are presented for channel flow at .τ = 395 with no-slip boundary conditions, and up to .τ = 1, 000, 000 using a wall model.Commission 发表于 2025-3-27 16:33:25
Large-Eddy Simulation of Richtmyer-Meshkov Instability,e tube endwall. A hybrid numerical method is used that is shock capturing but which reverts to a centered scheme with low numerical viscosity in regions of smooth flow. The subgrid-scale (SGS) model is the stretched-vortex (SV) model .DUCE 发表于 2025-3-27 20:38:15
https://doi.org/10.1007/978-3-658-02720-9nce. Initially limited to the simulation of turbulent flows in simple geometries, current LES tools are being applied to multidisciplinary problems involving a variety of physical processes. Several examples of recent advances in LES methodology and complex multi-physics applications are presented.subacute 发表于 2025-3-28 01:28:09
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Gerhard Betz,Gottfried K. Wehnerthe five terms are tested in a turbulent channel flow at a turbulent Reynolds number of .τ = 395. The model constants, one for each term, are determined dynamically. Some double term models showed significant improvement compared to the dynamic Smagorinsky model. Determination of two coupled dynamic