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Stochastic Wave Inputs for Extreme Roll in Near Head Seas

  • Dae-Hyun Kim
  • Armin W. Troesch
Chapter
Part of the Fluid Mechanics and Its Applications book series (FMIA, volume 119)

Abstract

An approach to generate the extreme value distribution of parametric roll in near head sea conditions is presented using a Design Load Generator (DLG) , a process to approximate the extreme value distribution of a Gaussian random variable. Statistics of the roll amplitudes of a Joint High Speed Sealift (JHSS) concept hull calculated from the DLG and the Large Amplitude Motion Program (LAMP) are compared in Weibull space with the results from limited Monte Carlo simulations. The interpretation of the exposure period of the DLG results is included.

Notes

Acknowledgements

The authors would like to gratefully acknowledge the support of the Office of Naval Research grants: “Design Loads Generator - Ship Design and Simulation Tools for Complex Marine Systems”, Award Number N00014-08-1-0594, under the direction of Kelly Cooper and “Support for the Theory Advisory Panel (TAP)”, Award Number N00014-09-1-0978, under the direction of Dr. Pat Purtell. Special thanks go to William Belknap and Allen Engle at NSWCCD for JHSS hull geometry and technical reports on statistical techniques; Woei-Min Lin and Ken Weems from SAIC for technical support on LAMP; and Matt Collette from the University of Michigan.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Naval Architecture and Marine EngineeringThe University of MichiganAnn ArborUSA

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