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DTSTAMP:20220812T074334Z
LOCATION:Singapore Room
DTSTART;TZID=Europe/Stockholm:20220627T160000
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UID:submissions.pasc-conference.org_PASC22_sess147_msa220@linklings.com
SUMMARY:Extreme-Scale Multiphysics Simulations for Induced Earthquakes
DESCRIPTION:Minisymposium\n\nExtreme-Scale Multiphysics Simulations for In
 duced Earthquakes\n\nWolf, Gabriel, Bader\n\nWe present recent development
 s to the open-source earthquake simulation software Seis- <br />Sol target
 ed towards the simulation of induced earthquakes. Induced earthquakes, e.g
 . <br />in the context of geothermal energy production, pose a major threa
 t to the successful <br />usage of this technology. Numerical simulations 
 help us to better understand how and <br />why induced earthquakes happen.
  <br />SeisSol solves the wave propagation problem using the Discontinuous
  Galerkin Method <br />with Arbitrary high-order DERivatives time stepping
  (ADER-DG), which achieves the <br />same convergence order in space and t
 ime. For induced earthquakes, we focus on wave <br />propagation through a
 nisotropic elastic and poroelastic materials. For physically mo- <br />tiv
 ated earthquake simulations, we additionally simulate frictional failure d
 uring the <br />rupture process. Here, we use rate-and-state friction with
  thermal pressurisation, which <br />is highly relevant for induced earthq
 uakes. <br />To cope with uncertainty, we couple SeisSol with the Uncertai
 nty Quantification (UQ) <br />framework MUQ to run MCMC simulations for in
 verse problems. In particular, we <br />investigate, how fused simulations
  can be used to run Markov Chains in parallel. <br />SeisSol is designed t
 o run at extreme-scale on the largest supercomputers. We will <br />presen
 t latest results on validation of models and numerics, but also on first e
 xtreme- <br />scale simulations.\n\nDomain: Climate, Weather and Earth Sci
 ences, Computer Science and Applied Mathematics, Physics
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