Numerical study of morphological changes by far-field tsunami impacts

Sang Young Son, Patrick Lynett

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study, we present an integrated numerical model for sedimentation by long waves and also investigate morphological changes by far-field tsunami impacts. A set of models, each of which is responsible for hydrodynamics, sediment transport and morphological evolutions, are introduced with a basic concept of morphodynamic physics and are fully connected through two-way approach. Finite volume scheme, which turns out to be stable and suitable for long-term(more than 10 hours) tsunami simulations is used in the numerical discretization. An accuracy and applicability of developed model is evaluated through numerical tests covering one-dimensional or two-dimensional sedimentation problems in the shallow region. Then, we applied developed model to a field-scale tsunami, which had caused a significant bathymetric changes in harbors.

Original languageEnglish
Title of host publicationProceedings of the 34th International Conference on Coastal Engineering, ICCE 2014
EditorsPatrick Lynett
PublisherAmerican Society of Civil Engineers (ASCE)
ISBN (Electronic)9780989661126
Publication statusPublished - 2014 Jan 1
Externally publishedYes
Event34th International Conference on Coastal Engineering, ICCE 2014 - Seoul, Korea, Republic of
Duration: 2014 Jun 152014 Jun 20

Publication series

NameProceedings of the Coastal Engineering Conference
Volume2014-January
ISSN (Print)0161-3782

Conference

Conference34th International Conference on Coastal Engineering, ICCE 2014
CountryKorea, Republic of
CitySeoul
Period14/6/1514/6/20

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Keywords

  • Boussinesq-type model
  • Deposition
  • Scour
  • Sediment
  • Tsunamis
  • Wave

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Ocean Engineering
  • Oceanography

Cite this

Son, S. Y., & Lynett, P. (2014). Numerical study of morphological changes by far-field tsunami impacts. In P. Lynett (Ed.), Proceedings of the 34th International Conference on Coastal Engineering, ICCE 2014 (Proceedings of the Coastal Engineering Conference; Vol. 2014-January). American Society of Civil Engineers (ASCE).