Preprint Article Version 1 This version is not peer-reviewed

Engineering Design Driven by Models and Measures: The Case of a Rigid Inflatable Boat

Version 1 : Received: 6 October 2018 / Approved: 8 October 2018 / Online: 8 October 2018 (07:43:41 CEST)

A peer-reviewed article of this Preprint also exists.

Fragassa, C. Engineering Design Driven by Models and Measures: The Case of a Rigid Inflatable Boat. J. Mar. Sci. Eng. 2019, 7, 6. Fragassa, C. Engineering Design Driven by Models and Measures: The Case of a Rigid Inflatable Boat. J. Mar. Sci. Eng. 2019, 7, 6.

Journal reference: J. Mar. Sci. Eng. 2019, 7, 6
DOI: 10.3390/jmse7010006

Abstract

Rigid-hulled inflatable boats are extremely practical and popular nowadays. They offer a effective conciliation among usability and costs. Their stable and seaworthy behaviour is guaranteed by performing hydroplaning hulls coupled with unsinkable inflated tubes. At the same time, their design is often based on tradition and preconceptions. Rarely, the design assumptions are validated by the reality or, even, by deeper investigations. In this article, both numerical methods and experimental mechanics techniques are proposed as an essential way for supporting the designers in their decisive tasks. Three different situations are detailed where a numerical or an experimental approach shows its benefit inside the engineering design process: firstly permitting to investigate the behaviour of materials driving the fiberglass selection; then measuring the levels of stress and strain in the hull during sailing; finally, using all available information as a base for developing numerical models of the hull slamming in waves. Even if the discussion is focused on a rigid inflatable boat, large part of its considerations is relevant beyond this special case.

Subject Areas

boat design; experimental mechanics; stress-strain analysis; numerical modelling; rigid inflatable boat; fiber-reinforced composite

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