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DTSTART:19700308T020000
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BEGIN:VEVENT
DTSTAMP:20190719T085743Z
LOCATION:HG E 1.1
DTSTART;TZID=Europe/Stockholm:20190612T153000
DTEND;TZID=Europe/Stockholm:20190612T160000
UID:submissions.pasc-conference.org_PASC19_sess162_msa191@linklings.com
SUMMARY:Multi-Dimensional Fully Compressible, Time Implicit  Simulations o
 f Hydrodynamical Processes in Stars
DESCRIPTION:Minisymposium\nComputer Science and Applied Mathematics, Physi
 cs\n\nMulti-Dimensional Fully Compressible, Time Implicit  Simulations of 
 Hydrodynamical Processes in Stars\n\nBaraffe\n\nI will present the recent 
 development of a multi-dimensional, fully compressible hydrodynamical time
  implicit code MUSIC devoted to stellar and planetary interiors. I will di
 scuss the main challenges in the computation of multi-dimensional stellar 
 structures and some of the advantages of our approach with MUSIC for the s
 tudy of stellar fluid dynamics problems. MUSIC is an implicit large eddy s
 imulation code that uses implicit time integration, implemented as a Jacob
 ian-free Newton Krylov method. The code is interfaced with a ste
 llar evolution code which provides initial 1D stellar structures for any t
 ype of star and allow exploration of a wide range of stellar phases and ma
 sses. A major motivation for these studies is to derive new prescriptions 
 to be implemented in stellar evolution codes and to be tested against vari
 ous observational constraints. I will briefly present some current applica
 tions, namely 2D/3D compressible envelope convection and convective penetr
 ation in stars, and future developments of the MUSIC code.
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