Statistic Model for the Estimation of the Resistance of Landing Craft Hulls
DOI:
https://doi.org/10.25043/19098642.197Keywords:
Landing craft, Ship resistance, Multiple linear regressionAbstract
One of the most important challenges in the development of the preliminary project of a ship is the estimation of propulsive power. This calculation can become a challenge for landing craft projects, since no specific estimation method for these ships is available, considering their special form characteristics. Using a systematized test database carried out in the ship model basin of Universidad Austral de Chile, a statistical model was generated through a multiple linear regression process to obtain an expression that serves to estimate the resistance for landing craft in preliminary stages of the project. Finally, the results of the regressions were compared with field measurements of three vessels in operation, showing a good agreement.
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References
C. FONFACH, "Resistencia al avance en barcazas con diferentes secciones transversales", Universidad Austral de Chile, 1991.
J. GONZÁLEZ, "Influencia en la Resistencia al avance de algunas formas de proa en una barcaza", Universidad Austral de Chile, 1990.
J. MIÑO, "Serie sistemática de gabarras I.," Universidad Austral de Chile, 1993.
C. P. VARGAS MUÑOZ, "Estimación de Resistencia al Avance de Barcazas en las Etapas preliminares del Diseño utilizando un Modelo Estadístico Basado en Series Sistemáticas", Universidad Austral de Chile, 2018.
B. S. BOWDEN AND DAVISON N.J., "Resistance Increments Due to Hull Roughness Associated with Form Factor Extrapolation Methods", 1974.
K. KOREAN REGISTER, "Rules for the Towing Survey of Barges and Tugboats", 2014.
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