This paper, which is in part an update to Beck and Reed (2001), discusses current developments in seakeeping computations for ships maneuvering in a seaway. First a brief historical background is given in order to put present computations in context. Then a detailed discussion of the necessary components for simulating maneuvering in waves in an extreme seaway is presented. As part of determining the required elements of a successful, computationally-fast model for maneuvering in extreme seas, the results of a "force study" (computational experiments designed to identify the important components of a computationally-fast model), are presented. Also discussed are the tradeoffs between high fidelity, but computationally slow, models solving the unsteady Navier-Stokes equations (often called computational fluid dynamics or CFD); and blended methods that are computationally fast but use approximations that blend linear and nonlinear potential flow calculations with empirical corrections for viscous forces.
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Advances in the Predictive Capability for Ship Dynamics in Extreme Waves Available to Purchase
Arthur M. Reed
Arthur M. Reed
Naval Surface Warfare Center
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Paper presented at the SNAME Maritime Convention, Bellevue, Washington, USA, November 2016.
Paper Number:
SNAME-SMC-2016-125
Published:
November 01 2016
Citation
Beck, Robert F., and Arthur M. Reed. "Advances in the Predictive Capability for Ship Dynamics in Extreme Waves." Paper presented at the SNAME Maritime Convention, Bellevue, Washington, USA, November 2016.
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