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Publications
Tello, M., Ribeiro e Silva, S. and Guedes Soares, C. (2009), “Fishing Vessels Responses in Waves Under Operational Loads”, Proceedings of the XXI Naval Architecture Pan-American Conference (COPINAVAL´09), 18-22 October, Montevideo, Uruguay
This study presents a seakeeping assessment of a set of fishing vessels, and discusses the seakeeping performance under different operational conditions. The dynamic response of the ship in waves depends on the wave climate of the ocean area where the ship operates, and also existing external load such as fishing gears loads. The frequency domain transfer functions are obtained using a strip theory method, and viscous roll damping corrections are introduced for different advance speeds. A simplified model of the interaction of the fishing gear components with the vessel on a steady tow condition has been proposed. The sensitivity analysis are carried out for a group of fishing vessels with different hull forms and dimensions from the Portuguese and Peruvian fleets, operating in the respective coastal areas. The results obtained also permit the assessment of the fishing gear loads effect onto the ship’s dynamic responses, and allows comparisons of seakeeping performance for different ship types, advance speed, and wave encounter angles.
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