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All Journal Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Ayob, A. F.
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Aerospace Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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A Review on Recent Advancements in Unmanned Underwater Vehicle Design Puzai, N. M.; Ayob, A. F.; Arshad, M. R.
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 31 No 1 (2016): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v31i1.411

Abstract

Recent advancements in miniature hardware technologies pushed the development of unmanned underwater vehicles (UUVs) towards more innovative designs to cater for unique mission definitions. Considering the recent 10 years of work done by various researchers in the literatures, presented in this paper is an overview of several state of the art technologies involved in the development of UUVs. Design studies are presented, whereby divided into various aspects including structure/hull shapes, propulsion, and motion/hydrodynamics. Emphases are given to the selection of shapes/geometry and the materials used. The advantages and the disadvantages of the components were discussed with respect to hydrodynamic forces acting on the UUVs such as resistance, stability, and motion. In terms of propulsion aspects of the UUVs, the discussions are focused on the related components used and the energy supply on-board of the UUVs.
State of the Art Review of the Application of Computational Fluid Dynamics for High Speed Craft Ahmad, H. A.; Ayob, A. F.
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 39 No 1 (2017): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v39i1.391

Abstract

Computational Fluid Dynamics (CFD) field of research continues to advance with several new accomplishments, especially in the field of high speed craft design. This paper presents the application of advanced CFD simulations reported in the literatures in terms of software tools available, hull form optimization, resistance, and seakeeping analysis and propulsion system. It aims to review case studies of several methods utilized to conduct operational simulations that result in useful performance prediction of high speed craft. The simulations reviewed in this paper are referring to the research reported in the literatures over the last decade on patrol boats, catamarans, rescue boats and so on. Some notable analysis were discussed, e.g. resistance and seakeeping analysis, propulsion system, hull form optimization and multi physics We conclude that based on the vast resources available in the literature, CFD is one the best tool for designing high speed craft, however such work could be impacted more by its combination with optimization methods.
Co-Authors Ahmad, H. A. Arshad, M. R. Puzai, N. M.