| Naslov: | Triggered dynamics in a model of different fault creep regimes |
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| Avtorji: | ID Kostić, Srđan (Avtor)
ID Franović, Igor (Avtor)
ID Perc, Matjaž (Avtor)
ID Vasović, Nebojša (Avtor)
ID Todorović, Kristina (Avtor) |
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| Datoteke: |  Scientific_Reports_2014_Kostic_et_al._Triggered_dynamics_in_a_model_of_different_fault_creep_regimes.pdf (669,71 KB)
MD5: E7DB36DABF985451E34238AF8BDAC40B
 http://www.nature.com/articles/srep05401
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Članek v reviji |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FNM - Fakulteta za naravoslovje in matematiko
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| Opis: | The study is focused on the effect of transient external force induced by a passing seismic wave on fault motion in different creep regimes. Displacement along the fault is represented by the movement of a spring-block model, whereby the uniform and oscillatory motion correspond to the fault dynamics in post-seismic and inter-seismic creep regime, respectively. The effect of the external force is introduced as a change of block acceleration in the form of a sine wave scaled by an exponential pulse. Model dynamics is examined for variable parameters of the induced acceleration changes in reference to periodic oscillations of the unperturbed system above the supercritical Hopf bifurcation curve. The analysis indicates the occurrence of weak irregular oscillations if external force acts in the post-seismic creep regime. When fault motion is exposed to external force in the inter-seismic creep regime, one finds the transition to quasiperiodic- or chaos-like motion, which we attribute to the precursory creep regime and seismic motion, respectively. If the triggered acceleration changes are of longer duration, a reverse transition from inter-seismic to post-seismic creep regime is detected on a larger time scale. |
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| Ključne besede: | geophysics, nonlinear dynamics, chaos, earthquake |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Leto izida: | 2014 |
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| Št. strani: | str. 1-7 |
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| Številčenje: | Letn. 4 |
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| PID: | 20.500.12556/DKUM-66414  |
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| ISSN: | 2045-2322 |
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| UDK: | 550.3:53 |
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| COBISS.SI-ID: | 20695304 |
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| DOI: | 10.1038/srep05401 |
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| ISSN pri članku: | 2045-2322 |
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| NUK URN: | URN:SI:UM:DK:C4LDYUFV |
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| Datum objave v DKUM: | 23.06.2017 |
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| Število ogledov: | 1696 |
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| Število prenosov: | 403 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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