Laboratory study on effects of submerged obstacles on tsunami wave and run-up

Houssam Eddine Touhami () and Mohamed Cherif Khellaf ()
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Houssam Eddine Touhami: University of Sciences and Technology Houari Boumediene
Mohamed Cherif Khellaf: University of Sciences and Technology Houari Boumediene

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2017, vol. 87, issue 2, No 10, 757-771

Abstract: Abstract This paper presents laboratory experiments and numerical simulations of effects of submerged obstacles on tsunami-like solitary wave and its run-up. This study was carried out for the breaking and non-breaking solitary waves on 1:19.85 uniform slope which contains a submerged obstacle. New laboratory experiments are performed to describe the mitigation of tsunami amplitude and run-up under the effect of submerged obstacles. We are based on experimental results obtained to validate the numerical model. The numerical modeling using COULWAVE aims essentially to show the effect of the obstacle on the shape of solitary wave and the limit of this effect. Using a multiple nonlinear regression, we have determined a model to estimate height of run-up according to the amplitude of the wave and the obstacle peak depth.

Keywords: COULWAVE; Experimental study; Tsunami; Submerged obstacles; Run-up (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:spr:nathaz:v:87:y:2017:i:2:d:10.1007_s11069-017-2791-9

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DOI: 10.1007/s11069-017-2791-9

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