Open AccessIsogeometric Methods for CFD and FSI-Simulation of Flow around Turbine Blades
Author(s) -
Timo van Opstal,
Eivind Fonn,
Runar Holdahl,
Trond Kvamsdal,
Arne Morten Kvarving,
Kjell M. Mathisen,
Knut Nordanger,
Knut Morten Okstad,
Adil Rasheed,
Mandar Tabib
Publication year - 2015
Publication title -
energy procedia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.474
H-Index - 81
ISSN - 1876-6102
DOI - 10.1016/j.egypro.2015.11.448
Subject(s) - isogeometric analysis , computational fluid dynamics , wake , smoothness , vortex , turbine , computer science , aerodynamics , marine engineering , aerospace engineering , mathematics , mechanics , engineering , finite element method , structural engineering , physics , mathematical analysis
Coupled fluid-structure interaction simulations of wind turbines have traditionally been considered computationally too expensive to carry out. However, more powerful computers and better solution techniques based on IsoGeometric Analysis (IGA) can make such simulations viable. Literature indicates that the smoothness of IGA approximations generally yield higher accuracy per- degree-of-freedom. We consider a two-dimensional test case prototypical of wake-vortex analyses and strip-theory approaches used in the numerical simulation of wind turbine
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