Evaluación de la vida útil a fatiga de líneas de amarre de convertidores de energía undimotriz en condiciones de oleaje realistas

  1. Eguzkiñe Martinez-Puente 3
  2. Ander Zarketa-Astigarraga 3
  3. Jon Ander Esnaola 4
  4. Alaitz Zabala 1
  5. Manex Martinez-Agirre 3
  6. Miguel Muñiz-Calvente 5
  7. Iñigo Llavori 14
  8. Markel Penalba 23
  1. 1 Universidad de Mondragón/Mondragon Unibertsitatea
    info
    Universidad de Mondragón/Mondragon Unibertsitatea

    Mondragón, España

    ROR https://ror.org/00wvqgd19

    Geographic location of the organization Universidad de Mondragón/Mondragon Unibertsitatea
  2. 2 Ikerbasque, Fundación Vasca para la Ciencia
    info
    Ikerbasque, Fundación Vasca para la Ciencia

    Bilbao, España

    ROR https://ror.org/01cc3fy72

    Geographic location of the organization Ikerbasque, Fundación Vasca para la Ciencia
  3. 3 Fluid Mechanics Department, Mondragon University, Loramendi 4, 20500 Arrasate, Spain
  4. 4 Structural Mechanics and Design, Mondragon University, Loramendi 4, 20500 Arrasate, Spain
  5. 5 Universidad de Oviedo
    info
    Universidad de Oviedo

    Oviedo, España

    ROR https://ror.org/006gksa02

    Geographic location of the organization Universidad de Oviedo
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Journal:
Revista española de mecánica de la fractura

ISSN: 2792-4246

Year of publication: 2024

Issue: 7

Pages: 205-210

Type: Article

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Abstract

Fatigue assessment in wave energy converters presents a significant challenge due to their wide array of operational conditions. This necessitates the adoption of more time-efficient techniques. While Rainflow counting is widely recognised for its reliability, its drawback lies in its time-consuming nature. In contrast, spectral methods offer a more efficient alternative. This paper aims to conduct a comprehensive fatigue assessment of a wave energy converter’s mooring system while delving into the influence of various operational conditions on total damage. The spectral method utilised for the analysis is Tovo-Benasciutti, with Rainflow damage used as a reference. Results underscore the reliability of spectral methods and highlight the critical importance of accurately representing the operational region, given its impact on overall damage.

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