Ocean Systems Engineering
Volume 4, Number 1, 2014, pages 21-37
DOI: 10.12989/ose.2014.4.1.021
Burial and scour of truncated cones due to long-crested and short-crested nonlinear random waves
Dag Myrhaug and Muk Chen Ong
Abstract
This paper provides a practical stochastic method by which the burial and scour depths of truncated cones 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. Moreover, the formulas for the burial and the scour depths for regular waves presented by Catano-Lopera et
al. (2011) for truncated cones are used. An example of calculation is also presented.
Key Words
burial; scour; truncated cones; long-crested waves; short-crested waves; nonlinear random waves; stochastic approach
Address
Dag Myrhaug :Department of Marine Technology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
Muk Chen Ong: Norwegian Marine Technology Research Institute (MARINTEK), NO-7450 Trondheim, Norway