Discontinuous Galerkin approximation of flows in fractured porous media on polytopic grids

PF Antonietti, C Facciola, A Russo, M Verani - SIAM Journal on Scientific …, 2019 - SIAM
We present a numerical approximation of Darcy's flow through a fractured porous medium
which employs discontinuous Galerkin methods on polytopic grids. For simplicity, we …

Finite element methods for the Laplace–Beltrami operator

A Bonito, A Demlow, RH Nochetto - Handbook of Numerical Analysis, 2020 - Elsevier
Partial differential equations posed on surfaces arise in a number of applications. In this
survey we describe three popular finite element methods for approximating solutions to the …

Multipatch discontinuous Galerkin isogeometric analysis

U Langer, A Mantzaflaris, SE Moore… - … Analysis and Applications …, 2015 - Springer
Abstract Isogeometric Analysis (IgA) uses the same class of basis functions for both
representing the geometry of the computational domain and approximating the solution of …

Analysis of a high-order trace finite element method for PDEs on level set surfaces

J Grande, C Lehrenfeld, A Reusken - SIAM Journal on Numerical Analysis, 2018 - SIAM
We present a new high-order finite element method for the discretization of partial differential
equations on stationary smooth surfaces which are implicitly described as the zero level of a …

A divergence-conforming finite element method for the surface Stokes equation

A Bonito, A Demlow, M Licht - SIAM Journal on Numerical Analysis, 2020 - SIAM
The Stokes equation posed on surfaces is important in some physical models, but its
numerical solution poses several challenges not encountered in the corresponding …

A cut discontinuous Galerkin method for the Laplace–Beltrami operator

E Burman, P Hansbo, MG Larson… - IMA Journal of …, 2017 - academic.oup.com
We develop a discontinuous cut finite element method for the Laplace–Beltrami operator on
a hypersurface embedded in. The method is constructed by using a discontinuous …

Intrinsic finite element method for advection-diffusion-reaction equations on surfaces

E Bachini, MW Farthing, M Putti - Journal of Computational Physics, 2021 - Elsevier
We consider a finite element method for Partial Differential Equations (PDEs) on surfaces.
Unlike many previous techniques, this approach is based on a geometrically intrinsic …

High-order evolving surface finite element method for parabolic problems on evolving surfaces

B Kovács - IMA Journal of Numerical Analysis, 2018 - academic.oup.com
High-order spatial discretizations and full discretizations of parabolic partial differential
equations on evolving surfaces are studied. We prove convergence of the high-order …

Arbitrary-order intrinsic virtual element method for elliptic equations on surfaces

E Bachini, G Manzini, M Putti - Calcolo, 2021 - Springer
We develop a geometrically intrinsic formulation of the arbitrary-order Virtual Element
Method (VEM) on polygonal cells for the numerical solution of elliptic surface partial …

Finite element approximation of the Laplace–Beltrami operator on a surface with boundary

E Burman, P Hansbo, MG Larson, K Larsson… - Numerische …, 2019 - Springer
We develop a finite element method for the Laplace–Beltrami operator on a surface with
boundary and nonhomogeneous Dirichlet boundary conditions. The method is based on a …