[BOOK][B] Multiphysics phase-field fracture: modeling, adaptive discretizations, and solvers

T Wick - 2020 - books.google.com
This monograph is centered on mathematical modeling, innovative numerical algorithms
and adaptive concepts to deal with fracture phenomena in multiphysics. State-of-the-art …

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 …

A machine-learning minimal-residual (ML-MRes) framework for goal-oriented finite element discretizations

I Brevis, I Muga, KG van der Zee - Computers & Mathematics with …, 2021 - Elsevier
We introduce the concept of machine-learning minimal-residual (ML-MRes) finite element
discretizations of partial differential equations (PDEs), which resolve quantities of interest …

[HTML][HTML] Rate-optimal goal-oriented adaptive FEM for semilinear elliptic PDEs

R Becker, M Brunner, M Innerberger, JM Melenk… - … & Mathematics with …, 2022 - Elsevier
We formulate and analyze a goal-oriented adaptive finite element method for a semilinear
elliptic PDE and a linear goal functional. The discretization is based on finite elements of …

Imposition of essential boundary conditions in the material point method

M Cortis, W Coombs, C Augarde… - International Journal …, 2018 - Wiley Online Library
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 …

Two-side a posteriori error estimates for the dual-weighted residual method

B Endtmayer, U Langer, T Wick - SIAM Journal on Scientific Computing, 2020 - SIAM
In this work, we derive two-sided a posteriori error estimates for the dual-weighted residual
(DWR) method. We consider both single and multiple goal functionals. Using a saturation …

Adaptive FEM with coarse initial mesh guarantees optimal convergence rates for compactly perturbed elliptic problems

A Bespalov, A Haberl, D Praetorius - Computer Methods in Applied …, 2017 - Elsevier
We prove that for compactly perturbed elliptic problems, where the corresponding bilinear
form satisfies a Gårding inequality, adaptive mesh-refinement is capable of overcoming the …

[HTML][HTML] Goal-oriented adaptive space-time finite element methods for regularized parabolic p-laplace problems

B Endtmayer, U Langer, A Schafelner - Computers & Mathematics with …, 2024 - Elsevier
We consider goal-oriented adaptive space-time finite-element discretizations of the
regularized parabolic p-Laplace problem on completely unstructured simplicial space-time …

Provably convergent anisotropic output-based adaptation for continuous finite element discretizations

HA Carson - 2020 - dspace.mit.edu
The expansion of modern computing power has seen a commensurate rise in the reliance
on numerical simulations for engineering and scientific purposes. Output error estimation …

Convergence of adaptive stochastic Galerkin FEM

A Bespalov, D Praetorius, L Rocchi, M Ruggeri - SIAM Journal on Numerical …, 2019 - SIAM
We propose and analyze novel adaptive algorithms for the numerical solution of elliptic
partial differential equations with parametric uncertainty. Four different marking strategies …