Mixed FEM and the discontinuous Petrov-Galerkin (DPG) methodology in numerical homogenization

The mixed finite element method uses an approximation of at least two fields (e.g. displacements and stresses). Even though it is difficult to construct stable approximation for such formulations, the mixed methods provide much better convergence of the flux than the standard methods, even for heter...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Oleksy, Marta, Cecot, Witold
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Approximation Computational fluid dynamics Finite element method Galerkin method Homogenization Lagrange multiplier Tensors Well posed problems
Online-Zugang:	Volltext
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