Development of a semi-analytical method for the efficient prediction of parametric roll
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- 作者：Jae-Hoon Lee ; Yonghwan Kim ; yhwankim@snu.ac.kr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Parametric roll ; Nonlinear roll ; Semi-analytical method ; Transfer functions of GM ; GZ approximation ; Numerical uncertainties
- 刊名：Ocean Engineering
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：112
- 期：Complete
- 页码：1-15
- 全文大小：6346 K
文摘
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A semi-analytic method for parametric roll simulation is introduced.
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The nonlinear restoring component is formulated in a simplified form for nonlinear roll.
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The concept of the transfer function is validated for the leading component of metacentric height.
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The simulation results for parametric roll of modern containerships are compared with those of IRF simulation.
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The accuracy of efficiency of the semi-analytic formulation is validated by comparative study.