A Reissner–Mindlin plate formulation using symmetric Hu-Zhang elements via polytopal transformations

A Sky, M Neunteufel, JS Hale, A Zilian - Computer Methods in Applied …, 2023 - Elsevier
In this work we develop new finite element discretisations of the shear-deformable Reissner–
Mindlin plate problem based on the Hellinger–Reissner principle of symmetric stresses …

Physics-informed machine learning and uncertainty quantification for mechanics of heterogeneous materials

B Bharadwaja, MA Nabian, B Sharma… - Integrating Materials and …, 2022 - Springer
A model based on the Physics-Informed Neural Networks (PINN) for solving elastic
deformation of heterogeneous solids and associated Uncertainty Quantification (UQ) is …

[HTML][HTML] A numerical framework coupling finite element and meshless methods in sequential and parallel simulations

C Kirchhelle, A Abdollahi, JAG Grajales, D Li… - Finite Elements in …, 2023 - Elsevier
Abstract The Finite Element Method (FEM) suffers from important drawbacks in problems
involving excessive deformation of elements despite being universally applied to a wide …

Two and three dimensional H2-conforming finite element approximations without C1-elements

M Ainsworth, C Parker - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
We develop a method to compute H 2-conforming finite element approximations in both two
and three space dimensions using readily available finite element spaces. This is …

Transformations for Piola-mapped elements

FRA Aznaran, PE Farrell, RC Kirby - The SMAI Journal of …, 2022 - numdam.org
The Arnold–Winther element successfully discretizes the Hellinger–Reissner variational
formulation of linear elasticity; its development was one of the key early breakthroughs of the …

[HTML][HTML] Planar curve registration using Bayesian inversion

A Bock, CJ Cotter, RC Kirby - Computers & Mathematics with Applications, 2024 - Elsevier
We study parameterisation-independent closed planar curve matching as a Bayesian
inverse problem. The motion of the curve is modelled via a curve on the diffeomorphism …

Stable -conforming finite element methods for the Landau--Lifshitz--Baryakhtar equation

AL Soenjaya, T Tran - arxiv preprint arxiv:2309.05530, 2023 - arxiv.org
The Landau--Lifshitz--Baryakhtar equation describes the evolution of magnetic spin field in
magnetic materials at elevated temperature below the Curie temperature, when long-range …

Local parameter selection in the C0 interior penalty method for the biharmonic equation

P Bringmann, C Carstensen… - Journal of Numerical …, 2024 - degruyter.com
The symmetric C0 interior penalty method is one of the most popular discontinuous Galerkin
methods for the biharmonic equation. This paper introduces an automatic local selection of …

Computing -Conforming Finite Element Approximations Without Having to Implement -Elements

M Ainsworth, C Parker - SIAM Journal on Scientific Computing, 2024 - SIAM
We develop a method to compute the-conforming finite element approximation to planar
fourth order elliptic problems without having to implement elements. The algorithm consists …

FIAT: improving performance and accuracy for high-order finite elements

PD Brubeck, RC Kirby, F Laakmann… - arxiv preprint arxiv …, 2024 - arxiv.org
FIAT (the FInite element Automatic Tabulator) provides a powerful Python library for the
generation and evaluation of finite element basis functions on a reference element. This …