Abstract
Aquaculture activities are performed at close proximity to coastline and near shore. Issues and environmental impact concerns and challenges necessitate offshore aquaculture that required reliable structural integrity and mooring system design for ultimate state limit, fatigue state limit and accidental and progressive state limit against environmental loading and accidental loading. To avoid mooring system failure, selecting an appropriate breaking strength and limit state for mooring system components is necessary. Suitable mooring system has been designed by group of researchers at Universiti Malaysia Terengganu. Valuable information was obtained from Technip and Bureau Veritas. The system has been tested in towing tank in Universiti Teknologi Malaysia. This paper describes mooring system design that account for forces and environmental loadings. The paper describes evaluation of optimum mooring performance in wave and current loadings on mooring components anchor buoy and riser elements that are involved in the mooring system dynamics.
Highlights
Floating offshore aquaculture farms drift at the mercy of ocean currents, wind and waves
Most aquaculture systems are tethered to the sea floor through anchors, floats and lines
A station keeping analysis is performed to determine the suitable mooring component to be equipped on the seaweed farming
Summary
Floating offshore aquaculture farms drift at the mercy of ocean currents, wind and waves. It is necessary that the new mooring be able to accommodate 100 mx 1000 m planting block shape, the block had to be able to withstand the waves and currents that occur at the site, especially those associated with extreme storms. Current is considered because of the dominant contribution of load compared with wave and wind.
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