A Method for Determination of in Run-Up Front Velocities on Dikes in Oblique and Short-Crested Waves.

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Abstract

This paper presents a physical model test study to improve description of run-up events on dikes in oblique long and short-crested waves in terms of flow depth, flow velocities and overtopping. The paper focus on the flow velocities and a new method is proposed for determining flow velocities and flow directions on a dike. A validation of the proposed method is made against existing semiempirical formulae and measurements from a micro-propeller in case of perpendicular long-crested waves. Moreover, the method is applied for long- and short-crested oblique waves where results show that the method provide mean flow directions which approximately correspond to the incident wave directions.
Original languageEnglish
Title of host publicationCoastal Structures 2011 : proceedings of the 6th international conference
EditorsShigeo Takahashi, Masahiko Isobe, Nobuhisa Kobayashi, Ken-ichiro Shimosako
Number of pages11
Volume1
Place of PublicationSingapore
PublisherWorld Scientific
Publication date2011
Pages588-589
ISBN (Print)978-981-4412-20-9, 978-981-4412-23-0
Publication statusPublished - 2011
EventCoastal Structures 2011 - Yokohama, Japan
Duration: 6 Sep 20118 Sep 2011

Conference

ConferenceCoastal Structures 2011
CountryJapan
CityYokohama
Period06/09/201108/09/2011

Keywords

  • Run-Up Events on Dikes
  • Oblique Short-Crested Waves
  • Oblique Long -Crested Waves
  • Flow Velocities
  • Peak Values
  • Micro Propeller

Cite this

Andersen, T. L., Nørgaard, J. H., & Burcharth, H. F. (2011). A Method for Determination of in Run-Up Front Velocities on Dikes in Oblique and Short-Crested Waves. In S. Takahashi, M. Isobe, N. Kobayashi, & K. Shimosako (Eds.), Coastal Structures 2011: proceedings of the 6th international conference (Vol. 1, pp. 588-589). World Scientific.