CFD verification and validation of added resistance in oblique waves

Henrik Mikkelsen*, Yanlin Shao, Jens Honore Walther

*Corresponding author for this work

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

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Abstract

Today, almost all ship hulls are optimized to sail in calm water. In a realistic seagoing condition, the ship will be exposed to added resistance caused by the waves, which will influence the ships performance and fuel consumption. Physical towing tank testing of a broad spectrum of wavelengths, wave heights and headings is extremely expensive. CFD simulations offer the opportunity to include the performance in waves into the ship design phase. However, beforetrusting CFD results, it is very important to verify and validate the CFD model to ensure accuracy. The present study both verifies and validates the CFD model with towing tank results from the literature. The validated CFD model is used to study the added resistance in oblique waves with varying wavelength. Added resistance in head waves has been studies intensively, but only very few studies are conducted in oblique waves. The present study includes both a container ship and a tanker. The conducted verification and validation study shows that the discrepancy between the CFD results and towing tank results are within the towing tank uncertainty for most of the conditions.
Original languageEnglish
Publication date2020
Number of pages1
Publication statusPublished - 2020
Event73rd Annual Meeting of the American Physical Society, Division of Fluid Dynamics (APS DFD 2020) - Virtual event, Chicago, United States
Duration: 22 Nov 202024 Nov 2020

Conference

Conference73rd Annual Meeting of the American Physical Society, Division of Fluid Dynamics (APS DFD 2020)
LocationVirtual event
CountryUnited States
CityChicago
Period22/11/202024/11/2020

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