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4 papers · 2 filters
H(div) and H(curl)-conforming VEM
L. Beirao da Veiga, F. Brezzi, L. D. Marini +1
In the present paper we construct Virtual Element Spaces that are -conforming and -conforming on general polygonal and polyhedral elements; these s…
The Finite Element Immersed Boundary Method with Distributed Lagrange multiplier
Daniele Boffi, Nicola Cavallini, Lucia Gastaldi
We introduce a new formulation for the finite element immersed boundary method which makes use of a distributed Lagrange multiplier. We prove that a full discretization of our mode…
A posteriori error analysis for nonconforming approximation of multiple eigenvalues
Daniele Boffi, Ricardo G. Durán, Francesca Gardini +1
In this paper we study an a posteriori error indicator introduced in E. Dari, R.G. Duran, C. Padra, Appl. Numer. Math., 2012, for the approximation of the Laplace eigenvalue proble…
A high frequency boundary element method for scattering by a class of nonconvex obstacles
David P. Hewett, Simon N. Chandler-Wilde, Stephen Langdon +1
In this paper we propose and analyse a hybrid numerical-asymptotic boundary element method for the solution of problems of high frequency acoustic scattering by a class of sound-so…