Numerical Prediction of Incipient Motion on Armor Block for Submerged Breakwaters

Akira MATSUMOTO; Akira MANO; Minoru HANZAWA; Masato YAMAMOTO

doi:10.2208/kaigan.67.I_816

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

Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944

Numerical Prediction of Incipient Motion on Armor Block for Submerged Breakwaters

Akira MATSUMOTO, Akira MANO, Minoru HANZAWA, Masato YAMAMOTO

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Keywords: submerged breakwaters, armor block, incipient motion, numerical prediction

JOURNAL FREE ACCESS

2011 Volume 67 Issue 2 Pages I_816-I_820

DOI https://doi.org/10.2208/kaigan.67.I_816

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Abstract

An evaluation method of incipient motion on armor block for submerged breakwater is proposed. The method is based on a wave induced flow field around the submerged breakwater, which is calculated by a numerical wave flume CADMAS-SURF (Isobe et. al., 1999), and successive wave force calculation based on the Morison equation. Trial computation and comparison with experimental results demonstrate the validity and usefulness of the proposed method.

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