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BEGIN:VEVENT
DTSTAMP:20210916T132450Z
LOCATION:Louis Favre
DTSTART;TZID=Europe/Stockholm:20210707T110000
DTEND;TZID=Europe/Stockholm:20210707T113000
UID:submissions.pasc-conference.org_PASC21_sess141_msa386@linklings.com
SUMMARY:Efficient decoupling methods with applications to the Biot equatio
 ns and phase-field for brittle fracture
DESCRIPTION:Minisymposium\n\nEfficient decoupling methods with application
 s to the Biot equations and phase-field for brittle fracture\n\nStorvik\n\
 nDecoupling methods are popular and often efficient for solving coupled sy
 stems of equations. They enable the use of optimized software for each sub
 system and can be used in combination with nonlinear solvers, as precondit
 ioners and might add robustness compared to monolithic solvers. However, t
 hey might require many iterations and often stabilization techniques 
 to converge. In this talk, solution strategies related to the fixed-stress
  method for Biot's equations and the staggered solution scheme for phase-f
 ield for brittle fracture propagation will be addressed. Specifically, a s
 tabilization technique for optimal convergence of the fixed-stress method 
 (work in collaboration with Jakub W. Both, Kundan Kumar, Jan M. Nordbotten
 , and Florin A. Radu) and a new acceleration method tailored to the stagge
 red solution scheme (work in collaboration with Jakub W. Both, Juan M. Sar
 gado, Jan. M. Nordbotten, and Florin A. Radu) will be presented.\n\nDomain
 : CS and Math, Solid Earth Dynamics, Engineering
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