Please use this identifier to cite or link to this item: https://doi.org/10.5194/nhess-13-3457-2013
Title: Modelling of tsunami-like wave run-up, breaking and impact on a vertical wall by SPH method
Authors: Dao, M.H.
Xu, H. 
Chan, E.S. 
Tkalich, P. 
Issue Date: 23-Dec-2013
Citation: Dao, M.H., Xu, H., Chan, E.S., Tkalich, P. (2013-12-23). Modelling of tsunami-like wave run-up, breaking and impact on a vertical wall by SPH method. Natural Hazards and Earth System Sciences 13 (12) : 3457-3467. ScholarBank@NUS Repository. https://doi.org/10.5194/nhess-13-3457-2013
Abstract: Accurate predictions of wave run-up and run-down are important for coastal impact assessment of relatively long waves such as tsunami or storm waves. Wave run-up is, however, a complex process involving nonlinear build-up of the wave front, intensive wave breaking and strong turbulent flow, making the numerical approximation challenging. Recent advanced modelling methodologies could help to overcome these numerical challenges. For a demonstration, we study run-up of non-breaking and breaking solitary waves on a vertical wall using two methods, an enhanced smoothed particle hydrodynamics (SPH) method and the traditional non-breaking nonlinear model Tunami-N2. The Tunami-N2 model fails to capture the evolution of steep waves at the proximity of breaking that was observed in the experiments. Whereas the SPH method successfully simulates the wave propagation, breaking, impact on structure and the reform and breaking processes of wave run-down. The study also indicates that inadequate approximation of the wave breaking could lead to significant under-predictions of wave height and impact pressure on structures. The SPH model shows potential applications for accurate impact assessments of wave run-up on to coastal structures. © 2013 Author(s).
Source Title: Natural Hazards and Earth System Sciences
URI: http://scholarbank.nus.edu.sg/handle/10635/91080
ISSN: 15618633
DOI: 10.5194/nhess-13-3457-2013
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

SCOPUSTM   
Citations

8
checked on May 22, 2018

WEB OF SCIENCETM
Citations

7
checked on May 7, 2018

Page view(s)

33
checked on May 18, 2018

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.