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SUMMARY:MEchanics GAthering -MEGA- Seminar: Three-dimensional fluid-driven
  stable frictional ruptures
DTSTART:20211125T161500
DTEND:20211125T173000
DTSTAMP:20260407T033522Z
UID:3950448ab86309ac4374645275d249bf6e37e6fd4c974077f69c32c3
CATEGORIES:Conferences - Seminars
DESCRIPTION:Alexis Sáez (GEL\, EPFL)\nAbstract Understanding the interpl
 ay between fluid flow and frictional slip on geologic structural discontin
 uities such as fractures and faults is relevant to a number of industrial 
 applications (e.g.\, deep geothermal energy\, CO2 geological sequestration
 ) and natural phenomena (e.g.\, fluid-driven seismic swarms and aftershock
 s). Moreover\, there is increasing interest on fluid-induced frictional sl
 ip that propagates stably\, with field observations suggesting that stable
  slip seems to be the most frequent result of both natural and anthropoge
 nic fluid injections in the Earth’s crust. Despite its relevance\, the 
 conditions that control the propagation of fluid-driven stable friction
 al slip are still poorly understood. In this talk\, we present a model a
 nd numerical method that are able to account and solve for all the stages 
 of fluid-induced slip growth in 3-D: nucleation\, propagation\, and arrest
 . We analyse the response of the model in all the relevant parametric s
 pace numerically\, and provide analytical solutions in some limiting ca
 ses. We discuss the implications of our findings to a number of industria
 l and scientific problems of interest\, and highlight the remaining open q
 uestions on the mechanics of this phenomenon. \n\nBio Alexis Sáez obt
 ained his bachelor and master degree in civil engineering at the Universi
 ty of Chile. He is currently a PhD student in the Laboratory of Geo-Energ
 y\, where he uses tools of theoretical and computational mechanics to inve
 stigate coupled problems of solid and fluid mechanics in geological fault
 s and fractured rocks. \n\n 
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418 https://epf
 l.zoom.us/j/67873367071?pwd=b0NEeWY2MFJqNGUzUitJV256YSt6QT09
STATUS:CONFIRMED
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