Numerical evaluation of tsunami impact force acted on a bridge girder during tsunami by using a particle method

Shoichi Tanabe, Mitsuteru Asai, Kenjiro Terada, Kazuo Kashiyama, Shuji Moriguchi, Mao Kurumatani

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

    3 Citations (Scopus)

    Abstract

    On March 11, 2011, the huge Tsunami caused by the great east Japan earthquake devastated the Pacific coast of north-eastern Japan. Many infrastructures including bridges were collapsed by the Tsunami. New generation of Tsunami disaster prevention and mitigation method should be reconsidered toward the next millennium Tsunami. In this study, a stabilized Smoothed Particle Hydrodynamics (SPH) has been utilized for an evaluation of fluid force acted on bridge girders. In addition, a new boundary treatment using a virtual marker and fixed boundary particle is developed to satisfy the slip and no-slip boundary condition for the velocity field and to satisfy the pressure Neumann condition at the same time. The accuracy and efficiencies of our proposed method are validated by comparison between a numerical solution and experimental results. Finally, a simple treatment for the particle method has been introduced to our developed SPH tool to simulate wash out of the bridge girder.

    Original languageEnglish
    Title of host publication11th World Congress on Computational Mechanics, WCCM 2014, 5th European Conference on Computational Mechanics, ECCM 2014 and 6th European Conference on Computational Fluid Dynamics, ECFD 2014
    EditorsEugenio Onate, Xavier Oliver, Antonio Huerta
    PublisherInternational Center for Numerical Methods in Engineering
    Pages4066-4076
    Number of pages11
    ISBN (Electronic)9788494284472
    Publication statusPublished - 2014 Jul 1
    EventJoint 11th World Congress on Computational Mechanics, WCCM 2014, the 5th European Conference on Computational Mechanics, ECCM 2014 and the 6th European Conference on Computational Fluid Dynamics, ECFD 2014 - Barcelona, Spain
    Duration: 2014 Jul 202014 Jul 25

    Publication series

    Name11th World Congress on Computational Mechanics, WCCM 2014, 5th European Conference on Computational Mechanics, ECCM 2014 and 6th European Conference on Computational Fluid Dynamics, ECFD 2014

    Conference

    ConferenceJoint 11th World Congress on Computational Mechanics, WCCM 2014, the 5th European Conference on Computational Mechanics, ECCM 2014 and the 6th European Conference on Computational Fluid Dynamics, ECFD 2014
    Country/TerritorySpain
    CityBarcelona
    Period14/7/2014/7/25

    Keywords

    • Fluid force
    • Particle method
    • Runoff of bridge girders
    • Tsunami

    ASJC Scopus subject areas

    • Mechanics of Materials
    • Computational Theory and Mathematics
    • Computer Science Applications
    • Mechanical Engineering

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