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  • 1
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    FEMSA: A finite element simulation tool for quasi-static seismic deformation (2007)
    Details
    Publication Date: 2017-04-04
    Description: Modeling postseismic deformation is an increasingly valuable tool in earthquake seismology. In particular, the Finite Element (FE) numerical method allows accurate modeling of complex faulting geometry, inhomogeneous materials and realistic viscous flow, appearing an excellent tool to investigate a lot of specific phenomena related with earthquakes.
    Description: Unpublished
    Description: San Francisco, CA, USA
    Description: open
    Keywords: faulting sources ; coseismic deformation ; finite element method ; 05. General::05.01. Computational geophysics::05.01.05. Algorithms and implementation
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
    Format: 7635002 bytes
    Format: application/pdf
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  • 2
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    Finite Element Modeling of the 2004 giant Sumatra Earthquake Postseismic Displacement Field (2007)
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    Publication Date: 2017-04-03
    Description: The 26 December 2004 Sumatra-Andaman earthquake is one of the largest earthquakes ever recorded since 1900. The earthquake resulted from complex slip on the fault where the oceanic portion of the Indian Plate slides under the Eurasian Plate, by the Indonesian Island of Sumatra. The particular features of the detected quasi-static displacement field has been previously attributed to the heterogeneous distribution of moment release on the fault plane. In the present work, we use a new computational FEM strategy to model the co- and postseismic displacement field associated with the Sumatra earthquake. For the first time we can study the joint effects of sphericity and 3D mechanical and rheological heterogeneities on the investigated observables. The comparison between our synthetic results and the available deformation data allows us to ascertain if also lateral heterogeneities in the physical properties of the medium could have played a role in assessing the deformation field.
    Description: Unpublished
    Description: San Francisco, CA, USA
    Description: open
    Keywords: Sumatra earthquake ; coseismic deformation ; finite element method ; 04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
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  • 3
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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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