Geodesic
The nonconforming virtual element method
Ayuso de Dios, Blanca1, 2 ; Lipnikov, Konstantin3  ; Manzini, Gianmarco2, 3 
1 Institut für Mathematik, Technische Universität Hamburg-Harburg, Am Schwarzenberg-Campus 3, D-21073 Hamburg, Germany
2 Istituto di Matematica Applicata e Tecnologie Informatiche (IMATI) – CNR, 27100 Pavia, Italy
3 Applied Mathematics and Plasma Physics Group, Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
ESAIM: Mathematical Modelling and Numerical Analysis , Special Issue – Polyhedral discretization for PDE, Tome 50 (2016) no. 3, pp. 879-904

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We introduce the nonconforming Virtual Element Method (VEM) for the approximation of second order elliptic problems. We present the construction of the new element in two and three dimensions, highlighting the main differences with the conforming VEM and the classical nonconforming finite element methods. We provide the error analysis and establish the equivalence with a family of mimetic finite difference methods. Numerical experiments verify the theory and validate the performance of the proposed method.

Reçu le :
DOI : 10.1051/m2an/2015090
Classification : 65N30, 65N12, 65G99, 76R99
Keywords: Virtual element method, nonconforming method, Poisson equation, elliptic problems, unstructured meshes

Ayuso de Dios, Blanca 1, 2 ; Lipnikov, Konstantin 3 ; Manzini, Gianmarco 2, 3

1 Institut für Mathematik, Technische Universität Hamburg-Harburg, Am Schwarzenberg-Campus 3, D-21073 Hamburg, Germany
2 Istituto di Matematica Applicata e Tecnologie Informatiche (IMATI) – CNR, 27100 Pavia, Italy
3 Applied Mathematics and Plasma Physics Group, Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA 
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     title = {The nonconforming virtual element method},
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     pages = {879--904},
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Ayuso de Dios, Blanca; Lipnikov, Konstantin; Manzini, Gianmarco. The nonconforming virtual element method. ESAIM: Mathematical Modelling and Numerical Analysis , Special Issue – Polyhedral discretization for PDE, Tome 50 (2016) no. 3, pp. 879-904. doi: 10.1051/m2an/2015090

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