Journal
COMPUTERS & FLUIDS
Volume 49, Issue 1, Pages 93-100Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compfluid.2011.05.002
Keywords
Wind turbine; RBVMS; Turbulence modeling; Isogeometric analysis; NURBS; High-performance computing; Parallel scalability
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In this article we present a high-performance computing framework for advanced flow simulation and its application to wind energy based on the residual-based variational multiscale (RBVMS) method and isogeometric analysis. The RBVMS formulation and its suitability and accuracy for turbulent flow in a moving domain are presented. Particular emphasis is placed on the parallel implementation of the methodology and its scalability. Two challenging flow cases were considered: the turbulent Taylor-Couette flow and the NREL 5 MW offshore baseline wind turbine rotor at full scale. In both cases, flow quantities of interest from the simulation results compare favorably with the reference data and near-perfect linear parallel scaling is achieved. (C) 2011 Elsevier Ltd. All rights reserved.
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