Numerical homogenization beyond scale separation

R Altmann, P Henning, D Peterseim - Acta Numerica, 2021 - cambridge.org
Numerical homogenization is a methodology for the computational solution of multiscale
partial differential equations. It aims at reducing complex large-scale problems to simplified …

[图书][B] Numerical homogenization by localized orthogonal decomposition

A Målqvist, D Peterseim - 2020 - SIAM
The objective of this book is to introduce the reader to the Localized Orthogonal
Decomposition (LOD) method for solving partial differential equations with multiscale data …

A selection of benchmark problems in solid mechanics and applied mathematics

J Schröder, T Wick, S Reese, P Wriggers… - … Methods in Engineering, 2021 - Springer
In this contribution we provide benchmark problems in the field of computational solid
mechanics. In detail, we address classical fields as elasticity, incompressibility, material …

Phase-field modeling of fracture in heterogeneous materials: jump conditions, convergence and crack propagation

AC Hansen-Dörr, J Brummund, M Kästner - Archive of Applied Mechanics, 2021 - Springer
In this contribution, a variational diffuse modeling framework for cracks in heterogeneous
media is presented. A static order parameter smoothly bridges the discontinuity at material …

Computational multiscale methods in unstructured heterogeneous media

R Maier - 2020 - opus.bibliothek.uni-augsburg.de
In this thesis, we consider the numerical approximation of solutions of partial differential
equations that exhibit some kind of multiscale features. Such equations describe, for …

A multiscale method for heterogeneous bulk-surface coupling

R Altmann, B Verfürth - Multiscale Modeling & Simulation, 2021 - SIAM
In this paper, we construct and analyze a multiscale (finite element) method for parabolic
problems with heterogeneous dynamic boundary conditions. As the origin, we consider a …

An offline-online strategy for multiscale problems with random defects

A Målqvist, B Verfürth - ESAIM: Mathematical Modelling and …, 2022 - esaim-m2an.org
In this paper, we propose an offline-online strategy based on the Localized Orthogonal
Decomposition (LOD) method for elliptic multiscale problems with randomly perturbed …

Phase-field modeling of fracture in heterogeneous materials

AC Hansen-Dörr - 2022 - tud.qucosa.de
Abstract (DE) Die Vorhersage des Bruchverhaltens ist für die Entwicklung moderner,
speziell zugeschnittener technischer Werkstoffe von größter Bedeutung. Diese Materialien …

Adaptive isogeometric phase-field modeling of weak and strong discontinuities

P Hennig, M Kästner, R Maier, P Morgenstern… - … Methods in Solid …, 2022 - Springer
The development of innovative products demands multi-material lightweight designs with
complex heterogeneous local material structures. Their computer-aided engineering relies …

Adaptive Isogeometric Analysis of Phase-Field Models

P Hennig - 2020 - tud.qucosa.de
Abstract (EN) In this thesis, a robust, reliable and efficient isogeometric analysis framework
is presented that allows for an adaptive spatial discretization of non-linear and time …