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    A relation to predict the failure of materials and potential application to volcanic eruptions and landslides.

    241084_241084.pdf (2.917Mb)
    Access Status
    Open access
    Authors
    Hao, S.
    Liu, C.
    Lu, Chunsheng
    Elsworth, D.
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Hao, S. and Liu, C. and Lu, C. and Elsworth, D. 2016. A relation to predict the failure of materials and potential application to volcanic eruptions and landslides. Scientific Reports. 6: Article 27877.
    Source Title
    Scientific Reports
    DOI
    10.1038/srep27877
    School
    Department of Mechanical Engineering
    Remarks

    This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by/4.0/

    URI
    http://hdl.handle.net/20.500.11937/32295
    Collection
    • Curtin Research Publications
    Abstract

    A theoretical explanation of a time-to-failure relation is presented, with this relationship [...] then used to describe the failure of materials. This provides the potential to predict timing (tf − t) immediately before failure by extrapolating the trajectory [...] as it asymptotes to zero with no need to fit unknown exponents as previously proposed in critical power law behaviors. This generalized relation is verified by comparison with approaches to criticality for volcanic eruptions and creep failure. A new relation based on changes with stress is proposed as an alternative expression of Voight’s relation, which is widely used to describe the accelerating precursory signals before material failure and broadly applied to volcanic eruptions, landslides and other phenomena. The new generalized relation reduces to Voight’s relation if stress is limited to increase at a constant rate with time. This implies that the time-derivatives in Voight’s analysis may be a subset of a more general expression connecting stress derivatives, and thus provides a potential method for forecasting these events.

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