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  • Articles  (2)
  • 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics  (1)
  • stress diffusion  (1)
  • 3D modeling
  • polyoxadiazoles
  • 2005-2009  (2)
  • 1
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    Postseismic stress diffusion associated with Sumatra earthquake (2007)
    Details
    Publication Date: 2017-04-04
    Description: The giant megathrust occurred on 26th December 2004 off the west coast of northern Sumatra perturbated the stress field configuration over a wide area surrounding the event source. By means of a viscoelastic spherical model of global postseismic deformation and a new computational finite elements package (FEMSA) we perform an analysis of the stress diffusion following the earthquake near and far from the Sunda trench. We evaluated the stress changes due to the Sumatra earthquake by projecting the Coulomb stress over the sequence of aftershocks taken from various catalogues in a time window spanning about two years and then we considered the possibility that the Sumatra event could have affected subsequent events very far from the source.
    Description: Unpublished
    Description: Vienna - Austria
    Description: open
    Keywords: stress diffusion ; fault interaction ; finite elements ; 04. Solid Earth::04.07. Tectonophysics::04.07.05. Stress
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
    Format: 5504639 bytes
    Format: application/pdf
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  • 2
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    FEMSA: a finite element simulation tool for quasi-static seismic deformation modeling (2008)
    Editrice Compositori
    Details
    Publication Date: 2019-11-04
    Description: We set up a computational tool to numerically model static and quasi-static deformation generated by faulting sources embedded in plane or spherical domains. We use a Finite Element (FE) approach to automatically implement arbitrary faulting sources and calculate displacement and stress fields induced by slip on the fault. The package makes use of the capabilities of CalculiX, a non commercial FE software designed to solve field problems (see 〈http://www.calculix.de〉 for details), and is freely distributed by request.
    Description: Published
    Description: 367-385
    Description: JCR Journal
    Description: open
    Keywords: faulting sources ; coseismic deformation ; finite element method PACS: 91.30.Bi, 91.55.Jk, 91.30.Ab, 02.70.Dh ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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