Search Results - "BREZZI, F."

Equivalent projectors for virtual element methods by Ahmad, B., Alsaedi, A., Brezzi, F., Marini, L.D., Russo, A.

“…In the original virtual element space with degree of accuracy k, projector operators in the H1-seminorm onto polynomials of degree ≤k can be easily computed…”
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VIRTUAL ELEMENTS FOR LINEAR ELASTICITY PROBLEMS by DA VEIGA, L. BEIRÃO, BREZZI, F., MARINI, L. D.

“…We discuss the application of virtual elements to linear elasticity problems, for both the compressible and the nearly incompressible case. Virtual elements…”
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Lowest order Virtual Element approximation of magnetostatic problems by Beirão da Veiga, L., Brezzi, F., Dassi, F., Marini, L.D., Russo, A.

“…We give here a simplified presentation of the lowest order Serendipity Virtual Element method, and show its use for the numerical solution of linear…”
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Virtual Element approximation of 2D magnetostatic problems by Beirão da Veiga, L., Brezzi, F., Dassi, F., Marini, L.D., Russo, A.

“…We consider the use of nodal and edge Virtual Element spaces for the discretization of magnetostatic problems in two dimensions, following the variational…”
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Serendipity Nodal VEM spaces by Beirão da Veiga, L., Brezzi, F., Marini, L.D., Russo, A.

“…•Virtual Element Methods generalize Finite Elements to polytopal geometries.•Serendipity VEMs imitate the Serendipity variants of Finite Elements.•On triangles…”
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The mimetic finite difference method for the 3D magnetostatic field problems on polyhedral meshes by Lipnikov, K., Manzini, G., Brezzi, F., Buffa, A.

“…We extend the mimetic finite difference (MFD) method to the numerical treatment of magnetostatic fields problems in mixed div– curl form for the…”
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Mimetic scalar products of discrete differential forms by Brezzi, F., Buffa, A., Manzini, G.

“…We propose a strategy for the systematic construction of the mimetic inner products on cochain spaces for the numerical approximation of partial differential…”
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An “immersed” finite element method based on a locally anisotropic remeshing for the incompressible Stokes problem by Auricchio, F., Brezzi, F., Lefieux, A., Reali, A.

“…In the present paper we study a finite element method for the incompressible Stokes problem with a boundary immersed in the domain on which essential…”
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Stabilization mechanisms in discontinuous Galerkin finite element methods by Brezzi, F., Cockburn, B., Marini, L.D., Süli, E.

“…In this paper we propose a new general framework for the construction and the analysis of discontinuous Galerkin (DG) methods which reveals a basic mechanism,…”
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Analytical modelling of a large-scale dynamic testing facility by Ceresa, P., Brezzi, F., Calvi, G. M., Pinho, R.

“…SUMMARY An analytical model, which aims at reproducing the response of a large‐scale dynamic testing facility, that is a system composed of the…”
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New rectangular plate elements based on twist-Kirchhoff theory by Brezzi, F., Evans, J.A., Hughes, T.J.R., Marini, L.D.

“…We introduce a new framework for the development of thin plate finite elements, the “twist-Kirchhoff theory”. A family of rectangular plate elements is derived…”
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Discontinuous Galerkin approximations for elliptic problems by Brezzi, F., Manzini, G., Marini, D., Pietra, P., Russo, A.

“…In this article, we analyze a discontinuous finite element method recently introduced by Bassi and Rebay for the approximation of elliptic problems. Stability…”
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A minimal stabilisation procedure for mixed finite element methods by BREZZI, F, FORTIN, M

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b = ∝ g by Brezzi, F., Franca, L.P., Hughes, T.J.R., Russo, A.

“…In this paper we show the equivalence between the variational multiscale and the residual-free bubbles concepts…”
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Mixed Discontinuous Galerkin Methods for Darcy Flow by Brezzi, F., Hughes, T. J. R., Marini, L. D., Masud, A.

“…We consider a family of mixed finite element discretizations of the Darcy flow equations using totally discontinuous elements (both for the pressure and the…”
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On the choice of a stabilizing subgrid for convection–diffusion problems by Brezzi, F., Marini, L.D., Russo, A.

“…SUPG and residual-free bubbles are closely related methods that have been used with success to stabilize a certain number of problems, including…”
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A nonconforming element for the Reissner–Mindlin plate by Brezzi, F., Marini, L.D.

“…We develop a locking free nonconforming element for the Reissner–Mindlin plate using discontinuous Galerkin techniques, and prove optimal error estimates…”
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Further considerations on residual-free bubbles for advective-diffusive equations by Brezzi, F., Franca, L.P., Russo, A.

“…We further consider the Galerkin method for advective-diffusive equations in two dimensions. The finite dimensional space employed is of piecewise polynomials…”
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Error analysis of piecewise constant pressure approximations of Darcy’s law by Brezzi, F., Fortin, M., Marini, L.D.

“…In this paper we present a short discussion on some finite element formulations for linear elliptic problems. For the sake of simplicity we consider the…”
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Applications of the pseudo residual-free bubbles to the stabilization of convection-diffusion problems by Brezzi, F., Marini, D., Russo, A.

“…Residual-free bubbles have been recently introduced in order to compute optimal values for the stabilization methods á la Hughes-Franca. However, unless in…”
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