An automatic hybrid numerical scheme for global RANS-LES approaches

被引：8
|
作者：
Guseva, E. K. [1 ]
Garbaruk, A. V. [1 ]
Strelets, M. Kh [1 ]
机构：
[1] Peter Great St Petersburg Polytech Univ, 29 Polytech Skaya Str, St Petersburg 195251, Russia
来源：
INTERNATIONAL CONFERENCE PHYSICA.SPB/2016 | 2017年 / 929卷
关键词：
D O I：
10.1088/1742-6596/929/1/012099
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A new automatic high-order hybrid central-difference/upwind scheme is developed for the finite-volume approximation of the inviscid fluxes within global hybrid RANS-LES approaches. Performance of the scheme is illustrated by examples of computations of three types of flow: a flow with massive separation with the use of Delayed Detached-Eddy Simulation (DDES), a flow with separation and reattachment with the use of DDES with shear-layer adapted subgrid length scale, and a fully attached flow with the use of Improved DDES (IDDES).
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页数：6
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