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Review of the seakeeping characteristics of trimaran, catamaran, and SWATH ships

Majdfar Sohrab, Ghassemi Hassan, Ashkezari Abbas Zarenezhad, He Guanghua

Zeszyty Naukowe Politechniki Morskiej w Szczecinie

2025

nr 83 (155)

32--50

Seakeeping constitutes a fundamental component of marine engineering, which significantly affects the safety, comfort, and operational efficacy of maritime vessels. This paper presents an exhaustive examination of the seakeeping attributes associated with three categories of multihull vessels: trimarans, catamarans, and small waterplane area twin hull (SAWTH) vessels. The investigation delves into the distinctive design merits of these vessels, which include improved stability, velocity, and adaptability, rendering them appropriate for a variety of maritime uses. Through a meticulous evaluation of motion responses such as heave, pitch, and roll, this work elucidates the hydrodynamic performance of each vessel category under varying sea states. Sophisticated computational techniques, such as computational fluid dynamics (CFD), boundary element method (BEM), and hybrid numerical methodologies, are utilized to enhance hull configurations and augment seakeeping capabilities. By integrating insights from a multitude of studies, this review emphasizes the increasing significance of multihull vessels in contemporary maritime operations and offers crucial perspectives for prospective research and design refinement.