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- Title
Stochastic assessment of acceleration probability density function for parametric rolling using the moment method.
- Authors
Maruyama, Yuuki; Maki, Atsuo; Dostal, Leo
- Abstract
Container ships encounter large roll angles and high acceleration, and container loss remains a problem. This study proposes a method for calculating the probability density function (PDF) of roll angular and cargo lateral accelerations. First, the moment values of these accelerations are derived using the linearity of expectation, and the validity of this method is examined. Second, the PDF shapes of these accelerations are proposed and their coefficients are determined using the obtained moment values. Our proposed method can be used to derive the PDFs of roll angular and cargo lateral accelerations.
- Subjects
PROBABILITY density function; MOMENTS method (Statistics); CONTAINER ships; ANGULAR acceleration; FREIGHT &; freightage
- Publication
Journal of Marine Science & Technology, 2024, Vol 29, Issue 1, p153
- ISSN
0948-4280
- Publication type
Article
- DOI
10.1007/s00773-023-00975-0