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A Model of Rupturing Lithospheric Faults with Reoccurring Earthquakes Read More: http://epubs.siam.org/doi/abs/10.1137/120870396

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    0395287 - ÚT 2014 RIV US eng J - Journal Article
    Roubíček, Tomáš - Souček, O. - Vodička, R.
    A Model of Rupturing Lithospheric Faults with Reoccurring Earthquakes Read More: http://epubs.siam.org/doi/abs/10.1137/120870396.
    Siam Journal on Applied Mathematics. Roč. 73, č. 4 (2013), s. 1460-1488. ISSN 0036-1399. E-ISSN 1095-712X
    R&D Projects: GA ČR GAP201/10/0357
    Institutional support: RVO:61388998
    Keywords : seismic fault rupture * tectonic earthquakes * activated processes
    Subject RIV: BA - General Mathematics
    Impact factor: 1.414, year: 2013
    http://dx.doi.org/10.1137/120870396

    An isothermal small-strain model based on the concept of generalized standard materials is devised, combining Maxwell-type rheology, damage, and perfect plasticity in the bulk. An interface analogue of the model is prescribed at the lithospheric faults, exploiting concepts of adhesive contacts with interfacial plasticity. The model covers simultaneously features such as rupturing of the fault zone accompanied with weakening/healing effects and also seismic waves emission and propagation connected with the sudden ruptures of the fault or a fluidic-like aseismic response between the ruptures. Stable numerical strategy based on semi-implicit discretisation in time is devised and its convergence is shown. Numerical simulations documenting the capacity of the model to simulate earthquakes with repeating occurrence are performed, too.
    Permanent Link: http://hdl.handle.net/11104/0224947

     
     
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