A posteriori single-and multi-goal error control and adaptivity for partial differential equations

B Endtmayer, U Langer, T Richter, A Schafelner… - arXiv preprint arXiv …, 2024 - arxiv.org
This work reviews goal-oriented a posteriori error control, adaptivity and solver control for
finite element approximations to boundary and initial-boundary value problems for stationary …

An introductory review on a posteriori error estimation in finite element computations

L Chamoin, F Legoll - SIAM Review, 2023 - SIAM
This article is a review of basic concepts and tools devoted to a posteriori error estimation for
problems solved with the finite element method. For the sake of simplicity and clarity, we …

Nonintrusive proper generalised decomposition for parametrised incompressible flow problems in OpenFOAM

V Tsiolakis, M Giacomini, R Sevilla, C Othmer… - Computer physics …, 2020 - Elsevier
The computational cost of parametric studies currently represents the major limitation to the
application of simulation-based engineering techniques in a daily industrial environment …

[HTML][HTML] Anisotropic mesh adaptation for region-based segmentation accounting for image spatial information

M Giacomini, S Perotto - Computers & Mathematics with Applications, 2022 - Elsevier
A finite element-based image segmentation strategy enhanced by an anisotropic mesh
adaptation procedure is presented. The methodology relies on a split Bregman algorithm for …

Goal-oriented a posteriori error estimation for conforming and nonconforming approximations with inexact solvers

G Mallik, M Vohralík, S Yousef - Journal of Computational and Applied …, 2020 - Elsevier
We derive a unified framework for goal-oriented a posteriori estimation covering in particular
higher-order conforming, nonconforming, and discontinuous Galerkin finite element …

Goal-oriented adaptivity for a conforming residual minimization method in a dual discontinuous Galerkin norm

S Rojas, D Pardo, P Behnoudfar, VM Calo - Computer Methods in Applied …, 2021 - Elsevier
We propose a goal-oriented mesh-adaptive algorithm for a finite element method stabilized
via residual minimization on dual discontinuous-Galerkin norms. By solving a saddle-point …

Goal-oriented error estimation based on equilibrated flux and potential reconstruction for the approximation of elliptic and parabolic problems

E Creusé, S Nicaise, Z Tang - Computers & Mathematics with Applications, 2023 - Elsevier
We present a unified framework for goal-oriented estimates for elliptic and parabolic
problems that combines the dual-weighted residual method with equilibrated flux and …

Monitoring a PGD solver for parametric power flow problems with goal‐oriented error assessment

R García‐Blanco, D Borzacchiello… - International Journal …, 2017 - Wiley Online Library
The parametric analysis of electric grids requires carrying out a large number of power flow
computations. The different parameters describe loading conditions and grid properties. In …

A posteriori error estimates for the Brinkman–Darcy–Forchheimer problem

T Sayah - Computational and Applied Mathematics, 2021 - Springer
In this paper, we study the a posteriori error estimate corresponding to the Brinkman–Darcy–
Forchheimer problem. We introduce the variational formulation discretized by using the finite …

Guaranteed quantity of interest error estimate based on equilibrated flux reconstruction

Z Tang, S Lou, A Benabou, E Creusé… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The quality of a local physical quantity obtained by the numerical method, such as the finite
element method (FEM), attracts more and more attention in computational …