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SUMMARY:A posteriori error estimation for discontinuous Galerkin methods o
 n general meshes and adaptivity - Andrea Cangiani (University of Nottingha
 m)
DTSTART:20191022T085500Z
DTEND:20191022T094000Z
UID:TALK133087@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:The application and a priori error analysis of discontinuous G
 alerkin (dG) methods for general classes of PDEs under general mesh assump
 tions is by now well developed. dG methods naturally permits local mesh an
 d order adaptivity. However\, deriving robust error estimators allowing fo
 r curved/degenerating mesh interfaces as well as developing adaptive algor
 ithms able to exploit such flexibility is non-trivial. In this talk we pre
 sent recent work on a posteriori error estimates for dG methods of interio
 r penalty type which hold on general mesh settings\, including elements wi
 th degenerating and curved boundaries. The exploitation of general meshes 
 within mesh adaptation algorithms applied to a few challenging problems wi
 ll also be discussed.
LOCATION:Seminar Room 1\, Newton Institute
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