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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-
Sol target
ed towards the simulation of induced earthquakes. Induced earthquakes, e.g
.
in the context of geothermal energy production, pose a major threa
t to the successful
usage of this technology. Numerical simulations
help us to better understand how and
why induced earthquakes happen.
SeisSol solves the wave propagation problem using the Discontinuous
Galerkin Method
with Arbitrary high-order DERivatives time stepping
(ADER-DG), which achieves the
same convergence order in space and t
ime. For induced earthquakes, we focus on wave
propagation through a
nisotropic elastic and poroelastic materials. For physically mo-
tiv
ated earthquake simulations, we additionally simulate frictional failure d
uring the
rupture process. Here, we use rate-and-state friction with
thermal pressurisation, which
is highly relevant for induced earthq
uakes.
To cope with uncertainty, we couple SeisSol with the Uncertai
nty Quantification (UQ)
framework MUQ to run MCMC simulations for in
verse problems. In particular, we
investigate, how fused simulations
can be used to run Markov Chains in parallel.
SeisSol is designed t
o run at extreme-scale on the largest supercomputers. We will
presen
t latest results on validation of models and numerics, but also on first e
xtreme-
scale simulations.\n\nDomain: Climate, Weather and Earth Sci
ences, Computer Science and Applied Mathematics, Physics
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