[图书][B] Finite elements II

A Ern, JL Guermond - 2021 - Springer
The mathematization of all sciences, the fading of traditional scientific boundaries, the
impact of computer technology, the growing importance of computer modelling and the …

[HTML][HTML] Whitney forms and their extensions

J Lohi, L Kettunen - Journal of Computational and Applied Mathematics, 2021 - Elsevier
Whitney forms are widely known as finite elements for differential forms. Whitney's original
definition yields first order functions on simplicial complexes, and a lot of research has been …

An arbitrary-order discrete de Rham complex on polyhedral meshes: Exactness, Poincaré inequalities, and consistency

DA Di Pietro, J Droniou - Foundations of Computational Mathematics, 2023 - Springer
In this paper, we present a novel arbitrary-order discrete de Rham (DDR) complex on
general polyhedral meshes based on the decomposition of polynomial spaces into ranges …

Generalized finite element systems for smooth differential forms and Stokes' problem

SH Christiansen, K Hu - Numerische Mathematik, 2018 - Springer
We provide both a general framework for discretizing de Rham sequences of differential
forms of high regularity, and some examples of finite element spaces that fit in the …

Fully discrete polynomial de Rham sequences of arbitrary degree on polygons and polyhedra

DA Di Pietro, J Droniou, F Rapetti - Mathematical Models and …, 2020 - World Scientific
In this work, merging ideas from compatible discretisations and polyhedral methods, we
construct novel fully discrete polynomial de Rham sequences of arbitrary degree on …

Nodal finite element de Rham complexes

SH Christiansen, J Hu, K Hu - Numerische Mathematik, 2018 - Springer
We construct 2D and 3D finite element de Rham sequences of arbitrary polynomial degrees
with extra smoothness. Some of these elements have nodal degrees of freedom and can be …

Finite element systems for vector bundles: elasticity and curvature

SH Christiansen, K Hu - Foundations of Computational Mathematics, 2023 - Springer
We develop a theory of finite element systems, for the purpose of discretizing sections of
vector bundles, in particular those arising in the theory of elasticity. In the presence of …

Compatible Discrete Operator schemes on polyhedral meshes for elliptic and Stokes equations

J Bonelle - 2014 - pastel.hal.science
This thesis presents a new class of spatial discretization schemes on polyhedral meshes,
called Compatible Discrete Operator (CDO) schemes and their application to elliptic and …

Trimmed serendipity finite element differential forms

A Gillette, T Kloefkorn - Mathematics of Computation, 2019 - ams.org
We introduce the family of trimmed serendipity finite element differential form spaces,
defined on cubical meshes in any number of dimensions, for any polynomial degree, and for …

High-order finite elements in numerical electromagnetism: degrees of freedom and generators in duality

M Bonazzoli, F Rapetti - Numerical Algorithms, 2017 - Springer
Explicit generators for high-order (r> 1) scalar and vector finite element spaces generally
used in numerical electromagnetism are presented and classical degrees of freedom, the so …