Recent experimental wave load study on bottom fixed vertical cylinder study at the Kelvin Hydrodynamics Laboratory

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Zhao, Guangwei and Dai, Saishuai and Ding, Haoyu and Tang, Tianning and Taylor, Paul and Adcock, Thomas and Zang, Jun (2023) Recent experimental wave load study on bottom fixed vertical cylinder study at the Kelvin Hydrodynamics Laboratory. In: 10th PRIMaRE Conference on Marine Renewable Energy, 2023-06-27 - 2023-06-28, University of Bath.

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Abstract

Monopile wind turbines are typically anchored to the seabed using a large steel tube, when subjected to extreme wave loading, the monopile foundation can experience high stresses and strains that can lead to fatigue and failure, particularly when the higher-order components of the wave loading match the structural natural frequency. Therefore, a better understanding of extreme wave loading on a monopile structure is critical for engineers. The Kelvin Hydrodynamics Laboratory of the University of Strathclyde has been involved in extreme wave loading on bottom fixed cylinders since 2018, including utilising methods like four-phase decomposition and conducting research on various factors. Our recent experimental studies at the Kelvin Hydrodynamics Laboratory have provided valuable insights into wave loading on bottom fixed vertical cylinders. By utilizing the four phase separation method, we were able to extract higher order components in focus wave loading, allowing for a more comprehensive analysis. Additionally, the generation of 100 k waves allowed us to delve deeper into understanding the response of the cylinders to different wave loadings More recent experiments focus on secondary load cycle, breaking wave impact and wider design loading space. These findings contribute to the existing knowledge of wave cylinder interactions and provide a foundation for further research in this field.

ORCID iDs

Zhao, Guangwei, Dai, Saishuai ORCID logoORCID: https://orcid.org/0000-0002-9666-6346, Ding, Haoyu, Tang, Tianning, Taylor, Paul, Adcock, Thomas and Zang, Jun;
CORE (COnnecting REpositories)