The finite cell method: a review in the context of higher-order structural analysis of CAD and image-based geometric models

D Schillinger, M Ruess - Archives of Computational Methods in …, 2015 - Springer
The finite cell method is an embedded domain method, which combines the fictitious domain
approach with higher-order finite elements, adaptive integration, and weak enforcement of …

Multiscale continuous and discontinuous modeling of heterogeneous materials: a review on recent developments

VP Nguyen, M Stroeven, LJ Sluys - Journal of Multiscale Modelling, 2011 - World Scientific
This paper reviews the recent developments in the field of multiscale modelling of
heterogeneous materials with emphasis on homogenization methods and strain localization …

Imposing periodic boundary condition on arbitrary meshes by polynomial interpolation

VD Nguyen, E Béchet, C Geuzaine, L Noels - Computational Materials …, 2012 - Elsevier
In order to predict the effective properties of heterogeneous materials using the finite
element approach, a boundary value problem (BVP) may be defined on a representative …

Automatic image‐based stress analysis by the scaled boundary finite element method

A Saputra, H Talebi, D Tran, C Birk… - International Journal for …, 2017 - Wiley Online Library
Digital imaging technologies such as X‐ray scans and ultrasound provide a convenient and
non‐invasive way to capture high‐resolution images. The colour intensity of digital images …

[PDF][PDF] A short introduction to basic aspects of continuum micromechanics

HJ Böhm - Cdl-fmd report, 1998 - ilsb.tuwien.ac.at
In the present report some basic issues of and some of the modeling strategies used for
studying static and quasistatic problems in continuum micromechanics of materials are …

Multiscale failure modeling of concrete: Micromechanical modeling, discontinuous homogenization and parallel computations

VP Nguyen, M Stroeven, LJ Sluys - Computer Methods in Applied …, 2012 - Elsevier
A multiscale failure model for concrete materials is proposed. At the microscale, the
mechanical behavior of hardening cement paste is studied by a numerical framework that …

Automatic polyhedral mesh generation and scaled boundary finite element analysis of STL models

Y Liu, AA Saputra, J Wang, F Tin-Loi, C Song - Computer Methods in …, 2017 - Elsevier
A polyhedral mesh generation from standard tessellation language (STL) models is
presented for the scaled boundary finite element method (SBFEM). The STL format is widely …

A unified level set method for simulating mixed granular flows involving multiple non-spherical DEM models in complex structures

S Wang, S Ji - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
Since the mixed granular flows containing multiple non-spherical DEM models in complex
structures are still challenging for DEM applications, a unified method for creating level set …

Modelling stress-induced permeability alterations in sandstones using CT scan-based representations of the pore space morphology

KEM Kamel, P Gerard, JB Colliat, TJ Massart - International Journal of …, 2022 - Elsevier
This contribution presents an integrated and automated methodology for the computational
analysis of permeability alterations in natural rocks under varying stress states, taking …

Non-negative moment fitting quadrature rules for fictitious domain methods

G Legrain - Computers & Mathematics with Applications, 2021 - Elsevier
Fictitious domain methods enable to solve physical problems on unfitted grids, thereby
avoiding time-consuming and error prone meshing phases. However, an accurate …