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OrcaFlex Modelling of a Multi-Body Floating Solar Island Subjected to Waves

Author

Listed:
  • Maria Ikhennicheu

    (INNOSEA, Bâtiment Insula, 11 Rue Arthur III, 44200 Nantes, France)

  • Arthur Blanc

    (INNOSEA, Bâtiment Insula, 11 Rue Arthur III, 44200 Nantes, France)

  • Benoat Danglade

    (INNOSEA, Bâtiment Insula, 11 Rue Arthur III, 44200 Nantes, France)

  • Jean-Christophe Gilloteaux

    (INNOSEA, Bâtiment Insula, 11 Rue Arthur III, 44200 Nantes, France)

Abstract

Floating solar energy is an industry with great potential. As the industry matures, floating solar farms are considered in more challenging environments, where the presence of waves must be accounted for in mismatch studies and fatigue and mechanical considerations regarding electrical cables and mooring lines. Computational modelling of floating solar islands is now a critical step. The representation of such islands on industry-validated software is very complex, as it includes a large number of elements, each interacting with its neighbours. This study focuses on conditions with small waves (amplitude of <1 m) that are relevant to sheltered areas where generic float technologies can be utilized. A multi-body island composed of 3 × 3 floats is modelled in OrcaFlex. A solution to model the kinematic constraint chain between floats is presented. Three different modelling solutions are compared in terms of results and computation time. The most accurate model includes a multi-body computation of float responses in a potential flow solver (OrcaWave). However, solving the equations for a single float and applying the results to each float individually also gives accurate results and reduces the computation time by a factor of 3. These results represent a basis for further works in which larger and more realistic floating islands can be modelled.

Suggested Citation

  • Maria Ikhennicheu & Arthur Blanc & Benoat Danglade & Jean-Christophe Gilloteaux, 2022. "OrcaFlex Modelling of a Multi-Body Floating Solar Island Subjected to Waves," Energies, MDPI, vol. 15(23), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:9260-:d:995552
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    References listed on IDEAS

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    1. Sethuraman, Latha & Venugopal, Vengatesan, 2013. "Hydrodynamic response of a stepped-spar floating wind turbine: Numerical modelling and tank testing," Renewable Energy, Elsevier, vol. 52(C), pages 160-174.
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    Cited by:

    1. Zeng, Fanxu & Bi, Cheng & Sree, Dharma & Huang, Guoxing & Zhang, Ningchuan & Law, Adrian Wing-Keung, 2023. "An Adaptive Barrier-Mooring System for Coastal Floating Solar Farms," Applied Energy, Elsevier, vol. 348(C).

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