Computational methods for fracture in brittle and quasi‐brittle solids: state‐of‐the‐art review and future perspectives

T Rabczuk - International Scholarly Research Notices, 2013 - Wiley Online Library
An overview of computational methods to model fracture in brittle and quasi‐brittle materials
is given. The overview focuses on continuum models for fracture. First, numerical difficulties …

Analysis and applications of a generalized finite element method with global–local enrichment functions

CA Duarte, DJ Kim - Computer methods in applied mechanics and …, 2008 - Elsevier
This paper presents a procedure to build enrichment functions for partition of unity methods
like the generalized finite element method and the hp cloud method. The procedure …

Analysis of three‐dimensional fracture mechanics problems: A two‐scale approach using coarse‐generalized FEM meshes

DJ Kim, JPA Pereira, CA Duarte - International journal for …, 2010 - Wiley Online Library
This paper presents a generalized finite element method (GFEM) based on the solution of
interdependent global (structural) and local (crack)‐scale problems. The local problems …

An extended/generalized phase‐field finite element method for crack growth with global‐local enrichment

R Geelen, J Plews, M Tupek… - International Journal for …, 2020 - Wiley Online Library
An extended/generalized finite element method (XFEM/GFEM) for simulating quasistatic
crack growth based on a phase‐field method is presented. The method relies on …

Generalized finite element analysis of three-dimensional heat transfer problems exhibiting sharp thermal gradients

P O'Hara, CA Duarte, T Eason - Computer Methods in Applied Mechanics …, 2009 - Elsevier
In this paper, heat transfer problems exhibiting sharp thermal gradients are analyzed using
the classical and generalized finite element methods. The effect of solution roughness on …

Non-intrusive coupling of a 3-D Generalized Finite Element Method and Abaqus for the multiscale analysis of localized defects and structural features

H Li, P O'Hara, CA Duarte - Finite Elements in Analysis and Design, 2021 - Elsevier
This paper presents a multiscale computational framework able to resolve localized defects
and features such as cracks and welds in large structures. It couples Abaqus models and 3 …

Bridging multiple structural scales with a generalized finite element method

JA Plews, CA Duarte - International Journal for Numerical …, 2015 - Wiley Online Library
This paper presents a generalized FEM based on the solution of interdependent coarse‐
scale (global) and fine‐scale (local) problems in order to resolve multiscale effects due to …

Transient analysis of sharp thermal gradients using coarse finite element meshes

P O'Hara, CA Duarte, T Eason - Computer Methods in Applied Mechanics …, 2011 - Elsevier
This paper investigates the application of the generalized finite element method with global–
local enrichments (GFEMgl) to problems of transient heat transfer involving localized …

A two-scale generalized finite element method for parallel simulations of spot welds in large structures

H Li, CA Duarte - Computer Methods in Applied Mechanics and …, 2018 - Elsevier
The diameter of spot welds used in the automotive and aerospace industry is orders of
magnitude smaller than the dimensions of the structural components. Automotive bodies …

Analysis of interacting cracks using the generalized finite element method with global-local enrichment functions

DJ Kim, CA Duarte, JP Pereira - Journal of Applied …, 2008 - asmedigitalcollection.asme.org
This paper presents an analysis of interacting cracks using a generalized finite element
method (GFEM) enriched with so-called global-local functions. In this approach, solutions of …