Smoothed-particle hydrodynamics numerical modeling of structures impacted by tsunami bores

Philippe St-Germain, Ioan Nistor, Ronald Townsend, Tomoya Shibayama

    Research output: Contribution to journalArticle

    51 Citations (Scopus)

    Abstract

    Recently, major tsunami events have resulted in considerable damage to low-lying coastal developments as well as significant loss of life. This is owing to the fact that coastal communities and associated infrastructure are not able to withstand the extreme hydrodynamic forces induced by the overland progression of large tsunami waves. This paper reports the findings of a study, which is part of an ongoing comprehensive (hydraulic-structural engineering) research program initiated at the University of Ottawa in Canada. The goals of the latter are to contribute to the understanding and quantification of extreme hydrodynamic impacts on structural elements, and to the development of design guidelines for structures located in tsunami-prone areas. In this study, a single-phase three-dimensional (3D) weakly compressible smoothedparticle hydrodynamics (WCSPH) model is used to investigate the hydrodynamic forces, induced by the impact of rapidly advancing tsunamilike hydraulic bores, on a freestanding column of a square cross section. Numerical time histories of the water surface elevation and net base horizontal force acting on the column are compared with the results of large-scale physical experiments, conducted by the authors as part of an experimental component of this research program. The experiments were performed on the basis of analogies between tsunami bores and dambreak waves. The bore-structure interaction is analyzed in detail as the validated numerical model is subsequently applied to additionally investigate the influence of laboratory channel geometry on the results. DOI: 10.1061/(ASCE)WW.1943-5460.0000225.

    Original languageEnglish
    Pages (from-to)66-81
    Number of pages16
    JournalJournal of Waterway, Port, Coastal and Ocean Engineering
    Volume140
    Issue number1
    DOIs
    Publication statusPublished - 2014 Jan

    Fingerprint

    Tsunamis
    tsunami
    hydrodynamic force
    Hydrodynamics
    hydrodynamics
    research program
    tsunami event
    modeling
    hydraulics
    coastal development
    Hydraulics
    Engineering research
    cross section
    experiment
    Structural design
    infrastructure
    surface water
    Numerical models
    geometry
    engineering

    Keywords

    • Columns
    • Dam-break wave
    • Hydraulic loads
    • Hydrodynamic forces
    • Numerical models
    • Onshore infrastructure
    • Smoothed-particle hydrodynamics (SPH)
    • Tsunamis
    • Waterfront structures

    ASJC Scopus subject areas

    • Water Science and Technology
    • Civil and Structural Engineering
    • Ocean Engineering

    Cite this

    Smoothed-particle hydrodynamics numerical modeling of structures impacted by tsunami bores. / St-Germain, Philippe; Nistor, Ioan; Townsend, Ronald; Shibayama, Tomoya.

    In: Journal of Waterway, Port, Coastal and Ocean Engineering, Vol. 140, No. 1, 01.2014, p. 66-81.

    Research output: Contribution to journalArticle

    @article{179add70231b4b25b79be302e5b50544,
    title = "Smoothed-particle hydrodynamics numerical modeling of structures impacted by tsunami bores",
    abstract = "Recently, major tsunami events have resulted in considerable damage to low-lying coastal developments as well as significant loss of life. This is owing to the fact that coastal communities and associated infrastructure are not able to withstand the extreme hydrodynamic forces induced by the overland progression of large tsunami waves. This paper reports the findings of a study, which is part of an ongoing comprehensive (hydraulic-structural engineering) research program initiated at the University of Ottawa in Canada. The goals of the latter are to contribute to the understanding and quantification of extreme hydrodynamic impacts on structural elements, and to the development of design guidelines for structures located in tsunami-prone areas. In this study, a single-phase three-dimensional (3D) weakly compressible smoothedparticle hydrodynamics (WCSPH) model is used to investigate the hydrodynamic forces, induced by the impact of rapidly advancing tsunamilike hydraulic bores, on a freestanding column of a square cross section. Numerical time histories of the water surface elevation and net base horizontal force acting on the column are compared with the results of large-scale physical experiments, conducted by the authors as part of an experimental component of this research program. The experiments were performed on the basis of analogies between tsunami bores and dambreak waves. The bore-structure interaction is analyzed in detail as the validated numerical model is subsequently applied to additionally investigate the influence of laboratory channel geometry on the results. DOI: 10.1061/(ASCE)WW.1943-5460.0000225.",
    keywords = "Columns, Dam-break wave, Hydraulic loads, Hydrodynamic forces, Numerical models, Onshore infrastructure, Smoothed-particle hydrodynamics (SPH), Tsunamis, Waterfront structures",
    author = "Philippe St-Germain and Ioan Nistor and Ronald Townsend and Tomoya Shibayama",
    year = "2014",
    month = "1",
    doi = "10.1061/(ASCE)WW.1943-5460.0000225",
    language = "English",
    volume = "140",
    pages = "66--81",
    journal = "Journal of Waterway, Port, Coastal and Ocean Engineering",
    issn = "0733-950X",
    publisher = "American Society of Civil Engineers (ASCE)",
    number = "1",

    }

    TY - JOUR

    T1 - Smoothed-particle hydrodynamics numerical modeling of structures impacted by tsunami bores

    AU - St-Germain, Philippe

    AU - Nistor, Ioan

    AU - Townsend, Ronald

    AU - Shibayama, Tomoya

    PY - 2014/1

    Y1 - 2014/1

    N2 - Recently, major tsunami events have resulted in considerable damage to low-lying coastal developments as well as significant loss of life. This is owing to the fact that coastal communities and associated infrastructure are not able to withstand the extreme hydrodynamic forces induced by the overland progression of large tsunami waves. This paper reports the findings of a study, which is part of an ongoing comprehensive (hydraulic-structural engineering) research program initiated at the University of Ottawa in Canada. The goals of the latter are to contribute to the understanding and quantification of extreme hydrodynamic impacts on structural elements, and to the development of design guidelines for structures located in tsunami-prone areas. In this study, a single-phase three-dimensional (3D) weakly compressible smoothedparticle hydrodynamics (WCSPH) model is used to investigate the hydrodynamic forces, induced by the impact of rapidly advancing tsunamilike hydraulic bores, on a freestanding column of a square cross section. Numerical time histories of the water surface elevation and net base horizontal force acting on the column are compared with the results of large-scale physical experiments, conducted by the authors as part of an experimental component of this research program. The experiments were performed on the basis of analogies between tsunami bores and dambreak waves. The bore-structure interaction is analyzed in detail as the validated numerical model is subsequently applied to additionally investigate the influence of laboratory channel geometry on the results. DOI: 10.1061/(ASCE)WW.1943-5460.0000225.

    AB - Recently, major tsunami events have resulted in considerable damage to low-lying coastal developments as well as significant loss of life. This is owing to the fact that coastal communities and associated infrastructure are not able to withstand the extreme hydrodynamic forces induced by the overland progression of large tsunami waves. This paper reports the findings of a study, which is part of an ongoing comprehensive (hydraulic-structural engineering) research program initiated at the University of Ottawa in Canada. The goals of the latter are to contribute to the understanding and quantification of extreme hydrodynamic impacts on structural elements, and to the development of design guidelines for structures located in tsunami-prone areas. In this study, a single-phase three-dimensional (3D) weakly compressible smoothedparticle hydrodynamics (WCSPH) model is used to investigate the hydrodynamic forces, induced by the impact of rapidly advancing tsunamilike hydraulic bores, on a freestanding column of a square cross section. Numerical time histories of the water surface elevation and net base horizontal force acting on the column are compared with the results of large-scale physical experiments, conducted by the authors as part of an experimental component of this research program. The experiments were performed on the basis of analogies between tsunami bores and dambreak waves. The bore-structure interaction is analyzed in detail as the validated numerical model is subsequently applied to additionally investigate the influence of laboratory channel geometry on the results. DOI: 10.1061/(ASCE)WW.1943-5460.0000225.

    KW - Columns

    KW - Dam-break wave

    KW - Hydraulic loads

    KW - Hydrodynamic forces

    KW - Numerical models

    KW - Onshore infrastructure

    KW - Smoothed-particle hydrodynamics (SPH)

    KW - Tsunamis

    KW - Waterfront structures

    UR - http://www.scopus.com/inward/record.url?scp=84891361715&partnerID=8YFLogxK

    UR - http://www.scopus.com/inward/citedby.url?scp=84891361715&partnerID=8YFLogxK

    U2 - 10.1061/(ASCE)WW.1943-5460.0000225

    DO - 10.1061/(ASCE)WW.1943-5460.0000225

    M3 - Article

    VL - 140

    SP - 66

    EP - 81

    JO - Journal of Waterway, Port, Coastal and Ocean Engineering

    JF - Journal of Waterway, Port, Coastal and Ocean Engineering

    SN - 0733-950X

    IS - 1

    ER -