A hybrid offshore renewable energy platform with multiple wind turbines and wave energy converters in a square-type host structure is proposed by Korea Research Institute of Ships and Ocean Engineering (KRISO). In this paper, we conduct a comparative study of wave run-up and slamming occurrence for the numerical simulations and physical 1:50 experiments. This hybrid renewable energy platform comprises a square frame structure with slender support structures as well as spread mooring system. Considering relative kinematics of the three-dimensional structure to waves especially for random seas, it may undergo not only vertical but also horizontal slamming impacts. Following the investigation of the wave run-up (airgap), the three-dimensional slamming occurrence is examined. Both regular waves and random waves are considered. The system identification of the numerical model is checked against the measured data from static-offset and free-decay tests. Following the systematic comparison between the experimental and numerical data, maximum wave run-up and the worst slamming occurrence in terms of the relative velocities are identified.
- Ocean, Offshore and Arctic Engineering Division
Comparative Study of Wave Run-Up and Slamming Occurrence for Multi-Unit Floating Offshore Wind Turbine Platform: Numerical Simulation vs. Model Test
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Kang, HY, Jang, HK, Kim, MH, Kim, KH, & Hong, KY. "Comparative Study of Wave Run-Up and Slamming Occurrence for Multi-Unit Floating Offshore Wind Turbine Platform: Numerical Simulation vs. Model Test." Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 9: Prof. Norman Jones Honoring Symposium on Impact Engineering; Prof. Yukio Ueda Honoring Symposium on Idealized Nonlinear Mechanics for Welding and Strength of Structures. Busan, South Korea. June 19–24, 2016. V009T12A006. ASME. https://doi.org/10.1115/OMAE2016-54995
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