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Innosea completes numerical modelling on SEATURNS wave energy converter

INNOSEA have concluded work on a new concept wave energy converter (WEC) with Seaturns. The project, which spanned 5 years, saw INNOSEA provide a detailed numerical model for the system developed.

The WEC concept consists of: a cylindrical-shaped floater whose axis is parallel to the wave crest; an internal water volume that acts as a pendulum; a fixed ballast weight positioned below the floater; an innovative mooring line layout which couples the Pitch and Surge motion; and a longitudinal partition of the air chamber above the pendulum to create two independent air chambers.

The project aimed to build a model capable of simulating the dynamic behaviour of the concept, in order to conduct parametric studies and design variations with more flexibility and speed than with physical models tested in a laboratory.

The numerical model has been built primarily using the Orcaflex software, with the addition of a numerical code to calculate the internal forces in the concept – related to the dynamic motion of the water pendulum and pressure differences in the internal chambers.

Bernardo Kahn, specialist engineer and Rémy Pascal, Project Manager/Specialist Engineer at INNOSEA will present an overview of the project and concept at the upcoming Journée de l’Hydrodynamique conference on 22-24 November 2022 – which gathers marine and naval hydrodynamics professions in the civil and military fields to present and discuss the most recent and innovative research work.


INNOSEA, the trusted and recognised engineering, advisory and R&D specialists, partner in many multi-national and high-profile R&D projects across the marine renewable energy landscape, continuously improving INNOSEA’s range of services:

Contact INNOSEA’s experts on +33 (0) 2 53 35 50 90 or contact@innosea.fr, to hear more about numerical modelling services offered.

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