Bichromatic wave selection for validation of the difference-frequency transfer function for the OC6 validation campaign

verfasst von

Nathan Tom, Amy Robertson, Jason Jonkman, Fabian Wendt, Manuela Böhm

Abstract

The focus of the Offshore Code Comparison Collaboration, Continuation, with Correlation and unCertainity (OC6) project, which operates under the International Energy Agency Wind Task 30, is to refine the accuracy of engineering tools used to design offshore wind turbines. In support of this work, a new validation campaign is being developed that seeks to better understand the nonlinear wave loading that excites floating wind systems at their low-frequency, rigid-body modes in surge and pitch. The validation data will be employed in a three-way validation between simplified engineering tools and higher-fidelity tools, such as computational fluid dynamics (CFD). Irregular wave spectrums, which are traditionally used to examine the nonlinear wave interaction with offshore structures, are too computationally expensive to be simulated in CFD tools, and so we will employ bichromatic wave cases instead. This paper reviews the process used to choose the bichromatic wave pairs to be applied in the campaign to validate the second-order difference-frequency quadratic and potential loads at the surge and pitch natural frequencies of a floating semisubmersible.

Organisationseinheit(en)

Institut für Statik und Dynamik

Externe Organisation(en)

National Renewable Energy Laboratory

Typ

Aufsatz in Konferenzband

Anzahl der Seiten

12

Publikationsdatum

13.12.2019

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Erneuerbare Energien, Nachhaltigkeit und Umwelt

Ziele für nachhaltige Entwicklung

SDG 7 – Erschwingliche und saubere Energie

Elektronische Version(en)

https://www.osti.gov/biblio/1581950 (Zugang: Offen)
https://doi.org/10.1115/IOWTC2019-7572 (Zugang: Geschlossen)