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Nonlinear Subgrid-Scale Models for Large-Eddy Simulation of Rotating Turbulent Flows

  • M. H. SilvisEmail author
  • R. Verstappen
Conference paper
Part of the ERCOFTAC Series book series (ERCO, volume 25)

Abstract

We aim to design subgrid-scale models for large-eddy simulation of rotating turbulent flows. Rotating turbulent flows form a challenging test case for eddy viscosity models due to the presence of the conservative Coriolis force. We therefore propose a new subgrid-scale model that, in addition to a dissipative eddy viscosity term, contains a nondissipative nonlinear model term that can capture transport processes, such as those due to rotation. We show that the addition of this nonlinear model term leads to improved predictions of the Reynolds stress anisotropy in large-eddy simulations of a spanwise-rotating plane-channel flow, while maintaining the prediction of the mean velocity profile that is obtained when only using an eddy viscosity model.

Notes

Acknowledgements

Part of this research was conducted during the Center for Turbulence Research (CTR) Summer Program 2016 at Stanford University. The authors thank the CTR for its hospitality and financial support. This work is part of the research programme Free Competition in the Physical Sciences with project number 613.001.212, which is financed by the Netherlands Organisation for Scientific Research (NWO).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.University of GroningenGroningenThe Netherlands

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