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Virtual element method for quasilinear elliptic problems

Cangiani A.
•
Chatzipantelidis P.
•
Diwan G.
•
Georgoulis E. H.
2020
  • journal article

Periodico
IMA JOURNAL OF NUMERICAL ANALYSIS
Abstract
A virtual element method for the quasilinear equation −div(κ(u)gradu)=f using general polygonal and polyhedral meshes is presented and analysed. The nonlinear coefficient is evaluated with the piecewise polynomial projection of the virtual element ansatz. Well posedness of the discrete problem and optimal-order a priori error estimates in the H1- and L2-norm are proven. In addition, the convergence of fixed-point iterations for the resulting nonlinear system is established. Numerical tests confirm the optimal convergence properties of the method on general meshes.
DOI
10.1093/IMANUM/DRZ035
WOS
WOS:000610489200011
Archivio
http://hdl.handle.net/20.500.11767/128791
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85090399564
https://academic.oup.com/imajna/article/40/4/2450/5586239
https://arxiv.org/abs/1707.01592
Diritti
closed access
Soggetti
  • virtual element metho...

  • quasilinear elliptic ...

  • Settore MAT/08 - Anal...

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