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Nonlinear ship waves and computational fluid dynamics.

Hideaki Miyata1, Hideo Orihara, Yohei Sato

  • 1Social System Design Co. Ltd.

Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
|October 15, 2014
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Summary
This summary is machine-generated.

Researchers discovered nonlinear waves, or Free-Surface Shock Waves, near ships. This finding spurred the development of advanced Computational Fluid Dynamics (CFD) techniques for innovative ship hull-form design.

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Area of Science:

  • Naval Architecture
  • Fluid Dynamics
  • Computational Science

Background:

  • Over 30 years of research at the University of Tokyo.
  • Discovery of nonlinear waves near advancing ships.

Purpose of the Study:

  • Highlight innovative technologies in ship hull-form design.
  • Showcase the development of Computational Fluid Dynamics (CFD) techniques.

Main Methods:

  • Development of TUMMAC code for wave problems on rectangular grids.
  • Development of WISDAM code for wave and viscous flow on boundary-fitted grids.

Main Results:

  • TUMMAC and WISDAM codes effectively handle ship-related fluid dynamics.
  • These codes address resistance, ship motion, and ride comfort.

Conclusions:

  • CFD techniques significantly advanced ship design technology.
  • TUMMAC and WISDAM are integral to modern ship design processes.