A nose for the job

A trade-off between bulbous bow efficiency and a lower-foam vertical stem required a combination of CFD and parametric shape optimisation.

Coaxing a 16% increase in efficiency from a hull is impressive, but it becomes a formidable feat when even the waves and foam it creates need to be tightly controlled.

When the design team of a large research vessel recently approached the Cloud Towing Tank there were conflicting issues – mostly centred on the pros and cons of a nose job.

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