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Mooring Design Using Wave-State Estimate from the Southern Ocean
journal contribution
posted on 2023-05-17, 11:18 authored by Schulz, EW, Grosenbaugh, MA, Pender, L, Greenslade, DJM, Trull, TWThe Southern Ocean Flux Station was deployed near 47°S, 140°E. The extreme wind and wave conditions at this location require appropriate mooring design, which includes dynamic fatigue analysis and static analysis. An accurate estimate of the wave conditions was essential. A motion reference unit was deployed in a nearby test mooring for 6 months. The motion data provided estimates of significant wave height that agreed well with the Australian Bureau of Meteorology wave model, increasing confidence in the model performance in the Southern Ocean. The results of the dynamic fatigue analysis using three input wave datasets and implications for the mooring design are described. The design analysis predicts the fatigue life for critical mooring components and guided the final selection of links and chain shackles. The three input wave climatologies do not differ greatly, and this is reflected in minimal changes to mooring components for each of the fatigue analyses.
History
Publication title
Journal of Atmospheric and Oceanic TechnologyVolume
28Issue
10Pagination
1351-1360ISSN
0739-0572Department/School
Institute for Marine and Antarctic StudiesPublisher
Amer Meteorological SocPlace of publication
45 Beacon St, Boston, USA, Ma, 02108-3693Rights statement
© Copyright 2011 AMSRepository Status
- Restricted