February 2016

Rik van Hemmen's picture
Thursday, February 11th, 2016

SWATH, the Art of Compromise

M&O has worked on both the implementation and the failure analysis on quite a number of SWATH (Small Waterplane Area Twin Hull) projects in the last decades. SWATH vessels hold great promise and continue to intrigue naval architects and potential ship purchasers. When we first became involved in SWATHs, as far back as 1981 with the Monoform concept, SWATHs were described as: “The best solution for small ships in big waves”.

 

That truism has not changed, but it is clear that not all small ships in big waves are SWATHs today, and so how can that statement be true?

 

The truth of the statement is related to the disconnect between physics and design. Anything can be most efficient for any one condition, but that does not mean that it will be most efficient once it is turned into a real life object.  

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