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DTSTAMP:20210916T132452Z
LOCATION:Louis Favre
DTSTART;TZID=Europe/Stockholm:20210707T150000
DTEND;TZID=Europe/Stockholm:20210707T153000
UID:submissions.pasc-conference.org_PASC21_sess153_msa193@linklings.com
SUMMARY:Utopia: a C++ Library for Parallel Multilevel Solution Methods and
  for Constrained Non-Linear Problems - Applications to Geophysics
DESCRIPTION:Minisymposium\n\nUtopia: a C++ Library for Parallel Multilevel
  Solution Methods and for Constrained Non-Linear Problems - Applications t
 o Geophysics\n\nZulian, Kopanicakova, Nestola, Fadel, Fink...\n\nUtopia is
  a C++ embedded domain-specific language designed for parallel non-linear 
 solution strategies. Utopia combines the advantages of high-level programm
 ing interfaces with the advantages of scripting languages. On the one hand
 , it allows using high-level abstractions while providing access to the na
 tive low-level data-structures. On the other hand, it facilitates expressi
 ng complex numerical methods by means of few lines of code. This is achiev
 ed by separating the model from the computation, thus allowing us to keep 
 the implementation details hidden from the code of applications such as no
 n-linear solution algorithms and finite element assembly. This separation 
 is realized by using C++ meta-programming and particular evaluation strate
 gies which allow mapping an abstract representation of the computation to 
 the actual code computing the result. In this talk, we showcase the librar
 y functionalities and their application to numerical geophysics simulation
 s. In particular, we focus on fractured rock formations in the subsurface 
 which are of crucial importance in a variety of reservoir applications suc
 h as geothermal energy extraction, CO2 sequestration, nuclear waste storag
 e, and unconventional oil and gas recovery.\n\nDomain: CS and Math, Solid 
 Earth Dynamics
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