In order to convert the “one-off” construction of light alloy fast boats to a more efficient series production, the project of a 25-meter patrol boat, originally built in aluminum, has been completely reviewed, focusing on the structure design in composite material. As one of the most important targets of the new project is to further increase the speed performance of the original unit, attention has been initially focused on the weight reduction, this goal being particularly challenging because of the change in the construction material. This gave the opportunity to review the design parameters as well, starting from the design acceleration value which has been assessed at first by considering the Classification Society Rules and secondly by a detailed seakeeping analysis carried out by using ANSYS AQWA software and validated by experimental towing tanks tests at MARIN.
SEAKEEPING ANALYSIS OF A GRP FAST PATROL VESSEL
Hydar V.;Boote D.;Vergassola G.;
2022-01-01
Abstract
In order to convert the “one-off” construction of light alloy fast boats to a more efficient series production, the project of a 25-meter patrol boat, originally built in aluminum, has been completely reviewed, focusing on the structure design in composite material. As one of the most important targets of the new project is to further increase the speed performance of the original unit, attention has been initially focused on the weight reduction, this goal being particularly challenging because of the change in the construction material. This gave the opportunity to review the design parameters as well, starting from the design acceleration value which has been assessed at first by considering the Classification Society Rules and secondly by a detailed seakeeping analysis carried out by using ANSYS AQWA software and validated by experimental towing tanks tests at MARIN.
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