On the accuracy of finite element approximations of elliptic problems with heterogeneous coefficients
Palavras-chave:
Finite element methods, Post-processings, Heterogeneous coefficients, Interface of discontinuityResumo
In this work, we investigate the accuracy of different finite element post-processing strategies in the
approximation of dual fields in elliptic problems such the stress tensor field in the linear elasticity problem, with
special attention to problems with discontinuous coefficients.