hydroelastic analysis of ice shelves under long wave excitation

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ID: 247603
2015
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Abstract
The transient hydroelastic response of an ice shelf under long wave excitation is analysed by means of the finite element method. The simple model, presented in this work, is used for the simulation of the generated kinematic and stress fields in an ice shelf, when the latter interacts with a tsunami wave. The ice shelf, being of large length compared to its thickness, is modelled as an elastic Euler-Bernoulli beam, constrained at the grounding line. The hydrodynamic field is represented by the linearised shallow water equations. The numerical solution is based on the development of a special hydroelastic finite element for the system of governing of equations. Motivated by the 2011 Sulzberger Ice Shelf (SIS) calving event and its correlation with the Honshu Tsunami, the SIS stable configuration is studied. The extreme values of the bending moment distribution in both space and time are examined. Finally, the location of these extrema is investigated for different values of ice shelf thickness and tsunami wave length.
Reference Key
papathanasiou2015naturalhydroelastic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;T. K. Papathanasiou;A. E. Karperaki;E. E. Theotokoglou;K. A. Belibassakis
Journal anziam journal
Year 2015
DOI
10.5194/nhess-15-1851-2015
URL
http://www.nat-hazards-earth-syst-sci.net/15/1851/2015/nhess-15-1851-2015.pdf
Keywords
anthropology recreationenvironmental sciencesgeology sanitary engineeringgeography environmental technology

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