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WINDLOAD sets the foundations for new WINDLASS JIP

AuthorsJaap de Wilde
Conference/JournalMARIN Report 130
DateDec 7, 2020
Reading time3 minutes
Here we look back at the success of WINDLOAD, the predecessor of WINDLASS.

The remark “one man's ‘stiff breeze’ might be another's ‘soft breeze’” may have been acceptable for a naval officer in the 18th century, but today engineers seek hard numbers when working on the design of floaters. The three-year WINDLOAD JIP aimed to address this problem and improve the accuracy and reliability of wind load predictions on large floating structures, especially related to stability and mooring.

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WINDLOAD was executed at a time when the industry was starting to overcome its understandable ‘fear’ of using the new CFD method. CFD sometimes has a negative connotation that it is merely ‘pretty colours for directors’. Fortunately, there was a rapid decrease in the calculation costs on larger computer clusters, which meant it gained
popularity. The appropriate timing of WINDLOAD is highlighted by the fact that SNAME and ITTC also started similar initiatives during this period.
CFD FPSO Beam Wind
CFD result for beam wind on an FPSO