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A Study on the Maneuvering Hydrodynamic Derivatives Estimation Applied the Stern Shape of a Vessel
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 Title & Authors
A Study on the Maneuvering Hydrodynamic Derivatives Estimation Applied the Stern Shape of a Vessel
Yoon, Seung-Bae; Kim, Dong-Young; Kim, Sang-Hyun;
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 Abstract
The various model tests are carried out to estimate and verify a ship performance in the design stage. But in view of the cost, the model test should be applied to every project vessel is very inefficient. Therefore, other methods of predicting the maneuverability with confined data are required at the initial design stage. The purpose of this study is to estimate the hydrodynamic derivatives by using the multiple regression analysis and PMM test data. The characteristics of the stern shape which has an important effect on the maneuverability are applied to the regression analysis in this study. The correlation analysis is performed to select the proper hull form coefficients and stern shape factors used as the variables in the regression analysis. The comparative analysis of estimate results and model test results is conducted on two ships to investigate the effectiveness of the maneuvering hydrodynamic derivatives estimation applied the stern shape. Through the present study, it is verified that the estimation using the stern shape factors as the variables are valid when the stern shape factors are located in the center of the database.
 Keywords
Maneuverability;Hydrodynamic derivatives;Stern shape;Hull form coefficient;Multiple regression Analysis;Correlation analysis;
 Language
Korean
 Cited by
 References
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