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 …
problems solved with the finite element method. For the sake of simplicity and clarity, we …
Imposition of essential boundary conditions in the material point method
There is increasing interest in the material point method (MPM) as a means of modelling
solid mechanics problems in which very large deformations occur, eg in the study of …
solid mechanics problems in which very large deformations occur, eg in the study of …
[HTML][HTML] A painless multi-level automatic goal-oriented hp-adaptive coarsening strategy for elliptic and non-elliptic problems
This work extends an automatic energy-norm h p-adaptive strategy based on performing
quasi-optimal unrefinements to the case of non-elliptic problems and goal-oriented …
quasi-optimal unrefinements to the case of non-elliptic problems and goal-oriented …
Strict Discretization Error Bounds on Quantities of Interest in Transient Dynamics
Q Zheng, J Liu, L Chamoin… - International Journal for …, 2024 - Wiley Online Library
This work proposes a guaranteed error estimator for linear transient elastodynamics,
accounting for both time and space discretization errors. The key lies in the definition of a …
accounting for both time and space discretization errors. The key lies in the definition of a …
Goal‐oriented adaptivity using unconventional error representations for the multidimensional Helmholtz equation
V Darrigrand, Á Rodríguez‐Rozas… - International Journal …, 2018 - Wiley Online Library
In goal‐oriented adaptivity, the error in the quantity of interest is represented using the error
functions of the direct and adjoint problems. This error representation is subsequently …
functions of the direct and adjoint problems. This error representation is subsequently …
Error assessment in structural transient dynamics
This paper presents in a unified framework the most representative state-of-the-art
techniques on a posteriori error assessment for second order hyperbolic problems, ie …
techniques on a posteriori error assessment for second order hyperbolic problems, ie …
Modal‐based goal‐oriented error assessment for timeline‐dependent quantities in transient dynamics
This article presents a new approach to assess the error in specific quantities of interest in
the framework of linear elastodynamics. In particular, a new type of quantities of interest …
the framework of linear elastodynamics. In particular, a new type of quantities of interest …
A pedagogical review on a posteriori error estimation in Finite Element computations
L Chamoin, F Legoll - arXiv preprint arXiv:2110.02160, 2021 - arxiv.org
This article is a review on 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 …
for problems solved with the Finite Element Method. For the sake of simplicity and clarity, we …
[PDF][PDF] Easy-to-implement hp-adaptivity for non-elliptic goal-oriented problems
FVC Gutiérrez - 2023 - core.ac.uk
In recent years, the Finite Element Method (FEM) has gained significant popularity as one of
the most extensively utilized numerical techniques in computational mechanics and civil …
the most extensively utilized numerical techniques in computational mechanics and civil …
[HTML][HTML] Strict upper and lower bounds of quantities in linear second-order systems
L Wang, H Zhong - Applied Mathematical Modelling, 2018 - Elsevier
This paper aims to present a model verification technique for general numerical
computations of linear second-order systems. Strict upper and lower bounds on quantities of …
computations of linear second-order systems. Strict upper and lower bounds on quantities of …