Ocean Systems Engineering

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Scour around spherical bodies due to long-crested and short-crested nonlinear random waves

  • Myrhaug, Dag (Department of Marine Technology, Norwegian University of Science and Technology) ;
  • Ong, Muk Chen (Department of Marine Technology, Norwegian University of Science and Technology)
  • Received : 2012.01.13
  • Accepted : 2012.12.08
  • Published : 2012.12.25
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Abstract

This paper provides a practical stochastic method by which the maximum equilibrium scour depth around spherical bodies exposed to long-crested (2D) and short-crested (3D) nonlinear random waves can be derived. The approach is based on assuming the waves to be a stationary narrow-band random process, adopting the Forristall (2000) wave crest height distribution representing both 2D and 3D nonlinear random waves, and using the regular wave formulas for scour and self-burial depths by Truelsen et al. (2005). An example calculation is provided.

Keywords

References

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