Study on Numerical Analysis for Sediment Transport around Permeable Detached Breakwaters

• NISHIHATA Takeshi

  Penta-Ocean Construction Co.,LTD.

• TAJIMA Yoshimitsu

  The University of Tokyo

• SATO Shinji

  The University of Tokyo

Bibliographic Information

Other Title

• 透過式離岸堤構造物周辺の土砂移動解析手法の研究
• 粒子形状による海浜断面変形の差異に関する実験的研究
• トウカシキリガンテイ コウゾウブツ シュウヘン ノ ドシャ イドウ カイセキ シュホウ ノ ケンキュウ

Abstract

A numerical model was developed for sediment transport involving suspended load flux which was simultaneously solved with wave fields and current fields around permeable detached breakwaters. The validity of the model was verified through measurements of bathymetry changes in movable bed experiments with the structures conducted in a large wave basin. In the model, increase in friction velocity induced by plunging breaker was introduced which enhanced the erosion inside the surf zone. It is demonstrated that our model fairly reproduced the topography change due to partial standing waves on the offshore side of the structure, rip-current and longshore currents around the permeable detached breakwaters.

Journal

• Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

  Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 67 (2), I_516-I_520, 2011

  Japan Society of Civil Engineers

Keywords

• sediment transport
• permeable detached breakwater
• Boussinesq equation

Details

• CRID: 1390001205321647872
• NII Article ID: 130004550530
• NII Article ID: 130003991717
• NII Book ID: AA12508551
• DOI: 10.2208/kaigan.67.i_516
• DOI: 10.2208/proce1989.52.516
• ISSN: 18838944
• ISSN: 18848222
• ISSN: 18842399
• ISSN: 09167897
• NDL BIB ID: 023375213
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I023375213
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed