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Modelling Of Rotating Vertical Axis Turbines Using A Multiphase Finite Element Method
KTH Royal Inst Technol, Sch Comp Sci & Commun, Dept Computat Sci & Technol, Stockholm, Sweden.
KTH Royal Inst Technol, Sch Comp Sci & Commun, Dept Computat Sci & Technol, Stockholm, Sweden; Basque Ctr Appl Math, Bilbao, Spain.
Basque Ctr Appl Math, Bilbao, Spain.
KTH Royal Inst Technol, Sch Comp Sci & Commun, Dept Computat Sci & Technol, Stockholm, Sweden.
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2017 (English)In: VII International Conference on Computational Methods in Marine Engineering (MARINE 2017) / [ed] Visonneau, Michael; Queutey, Patrick & Le Touzé, David, International Center for Numerical Methods in Engineering (CIMNE) , 2017, p. 950-959Conference paper, Published paper (Refereed)
Abstract [en]

We combine the unified continuum fluid-structure interaction method with a multiphase flow model to simulate turbulent flow and fluid-structure interaction of rotating vertical axis turbines in offshore environments. This work is part of a project funded by the Swedish Energy Agency, which focuses on energy systems combining ecological sustainability, competitiveness and reliability of supply. The numerical methods used comprise the Galerkin least-squares finite element method, coupled with the arbitrary Lagrangian-Eulerian method, in order to compute weak solutions of the Navier-Stokes equations for high Reynolds numbers on moving meshes. Mesh smoothing methods help to improve the mesh quality when the mesh undergoes large deformations. The simulations have been performed using the Unicorn solver in the FEniCS-HPC framework, which runs on supercomputers with near optimal weak and strong scaling up to thousands of cores.

Place, publisher, year, edition, pages
International Center for Numerical Methods in Engineering (CIMNE) , 2017. p. 950-959
Keywords [en]
Vertical axis turbines, fluid-structure interaction, fluid-rigid body interaction, Unicorn solver, FEniCS-HPC, Navier-Stokes equations, multiphase finite element method
National Category
Computational Mathematics Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:uu:diva-352937ISI: 000426877000078ISBN: 978-84-946909-8-3 (electronic)OAI: oai:DiVA.org:uu-352937DiVA, id: diva2:1216750
Conference
VII International Conference on Computational Methods in Marine Engineering (MARINE 2017), May 15-17, 2017, Nantes, France.
Funder
EU, European Research CouncilSwedish Energy Agency
Note

See: Conference E-Book

Available from: 2018-06-12 Created: 2018-06-12 Last updated: 2018-06-12Bibliographically approved

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Goude, Anders

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