Wave-induced response of seabed: various formulations and their applicability

M. B. C. Ulker, M. S. Rahman, D. -S. Jeng

    Research output: Contribution to journalArticlepeer-review

    96 Citations (Scopus)

    Abstract

    In this study, a set of generalized analytical solutions are developed for the wave-induced response of a saturated porous seabed under plane strain condition. When considering the water waves originating in deep water and travelling towards the shore, their velocities, lengths and heights vary. Depending on the characteristics of the wave and the properties of the seabed, different formulations (fully dynamic, partly dynamic, quasi-static) for the wave-induced response of the seabed are possible. The solutions for the response with these formulations are established in terms of non-dimensional parameters. The results are presented in terms of pore pressure, shear stress and vertical effective stress distributions within the seabed. For typical values of wave period and seabed permeability, the regions of applicability of the three formulations are identified and plotted in parametric spaces. With given wave and seabed characteristics, these regions provide quick identification of the appropriate formulation for an adequate evaluation of the wave-induced seabed response.
    Original languageEnglish
    Pages (from-to)12-24
    Number of pages13
    JournalApplied Ocean Research
    Volume31
    Issue number1
    DOIs
    Publication statusPublished - 2009

    Keywords

    • Water wave
    • Formulation
    • Analytical
    • Dynamic response
    • Seabed

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