Journal
EUROPEAN JOURNAL OF MECHANICS B-FLUIDS
Volume 48, Issue -, Pages 13-18Publisher
ELSEVIER
DOI: 10.1016/j.euromechflu.2014.03.011
Keywords
Bottom pressure distribution; Dispersion influence; Travelling waves; Reflected waves
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Funding
- RFBR [14-05-00092]
- Austrian Science Foundation (FWF) [P 246710]
- VolkswagenStiftung
- Direction Generale de l'Armement (DGA)
- Agence Nationale de la Recherche (ANR) [ANR-13-ASTR-0007]
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The bottom pressure distribution under solitonic waves, travelling or fully reflected at a wall is analysed here. Results given by two kind of numerical models are compared. One of the models is based on the Green-Naghdi equations, while the other one is based on the fully nonlinear potential equations. The two models differ through the way in which wave dispersion is taken into account. This approach allows us to emphasize the influence of dispersion, in the case of travelling or fully reflected waves. The Green-Naghdi model is found to predict well the bottom pressure distribution, even when the quantitative representation of the runup height is not satisfactorily described. (C) 2014 Elsevier Masson SAS. All rights reserved.
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