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DTSTAMP:20220812T074334Z
LOCATION:Singapore Room
DTSTART;TZID=Europe/Stockholm:20220628T113000
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UID:submissions.pasc-conference.org_PASC22_sess148_msa143@linklings.com
SUMMARY:Numerical Modeling of Earthquake Ground Motion for Seismic Risk As
 sessment
DESCRIPTION:Minisymposium\n\nNumerical Modeling of Earthquake Ground Motio
 n for Seismic Risk Assessment\n\nAntonietti\n\nPhysics-based numerical sim
 ulations of earthquake ground motion can be used to better understand the 
 physics of earthquakes, improve the design of site-specific structures, an
 d evaluate the seismic hazard, a key step for the reliable assessment of s
 eismic risk. In this talk we present an overview on numerical modelling of
  the ground motion induced by seismic waves based on employing high-order 
 Discontinuous Galerkin methods. We also present two new approaches to coup
 le the ground motion induced by earthquakes with the induced structural da
 mages of buildings. The first one is based on empirical laws (fragility cu
 rves) whereas the second one employs physics-based linear and non-linear d
 ifferential models. To validate the first approach we study the seismic da
 mages in the Beijing area as a consequence of ground motion scenarios with
  magnitude in the range 6.5–7.3 Mw. To validate the second approach we con
 sider the 1999 Mw6 Athens earthquake and study the seismic response of the
  Acropolis hill and of the Parthenon. Our numerical results have been obta
 ined using the open-source numerical code SPEED (https://speed.mox.polimi.
 it).\n\nDomain: Climate, Weather and Earth Sciences, Computer Science and 
 Applied Mathematics, Physics
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