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Iterative solver approach for turbine interactions: application to wind or marine current turbine farms ArchiMer
Mycek, Paul; Pinon, Gregory; Lothode, Corentin; Dezotti, Alexandre; Carlier, Clement.
This paper presents a numerical investigation for the computation of wind or marine current turbines in a farm. A 3D unsteady Lagrangian vortex method is used together with a panel method in order to take into account for the turbines. In order to enforce the boundary condition onto the panel elements, a linear matrix system is defined. Solving general linear matrix systems is a topic with important scientific literature. But the main concern here is the application to a dedicated matrix which is non-sparse, non-symmetric, neither diagonally dominant nor positive-definite. Several iterative approaches were tested and compared. But after some numerical tests, a Bi-CGSTAB method was finally chosen. The main advantage of the presented method is the use of a...
Tipo: Text Palavras-chave: Iterative solver; Bi-GCSTAB; Preconditioner; Lagrangian vortex method; Wind turbine; Marine current turbine.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00349/46016/46027.pdf
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