A coupled Navier-Stokes/Vortex-Panel solver for the numerical analysis of wind turbines

Sven Schmitz, Jean Jacques Chattot

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


The present paper introduces a coupled Navier-Stokes/Vortex-Panel solver for the computational study of incompressible high Reynolds number flow around horizontal axis wind turbines. The Navier-Stokes solver is confined to the near-field around one wind turbine blade; the Vortex-Panel method accounts for the far-field of a two-bladed rotor. A robust coupling between both methods is achieved through the spanwise distribution of bound circulation determined by Stokes' theorem. The coupled solver reduces both artificial dissipation and computational cost compared to a full-domain Navier-Stokes analysis. Results obtained for inviscid and attached viscous flow around an optimal wind turbine blade are compared to a vortex model based on strip theory. Good agreement is found between both models that serves as a validation of the coupled solver for future applications to wind turbines.

Original languageEnglish (US)
Pages (from-to)742-745
Number of pages4
JournalComputers and Fluids
Issue number7
StatePublished - Aug 1 2006

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Engineering(all)


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