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 …

A phase-field cohesive zone model integrated with cell-based smoothed finite element method for quasi-brittle fracture simulations of concrete at mesoscale

Y Huang, Z Yang, H Zhang, S Natarajan - Computer Methods in Applied …, 2022 - Elsevier
In this work, a phase field cohesive zone model (PFCZM) combined with the cell-based
smoothed finite element method (CSFEM) is presented to investigate the quasi-brittle …

The scaled boundary finite element method based on the hybrid quadtree mesh for solving transient heat conduction problems

B Yu, P Hu, AA Saputra, Y Gu - Applied Mathematical Modelling, 2021 - Elsevier
In this paper, a hybrid quadtree mesh is utilized to solve two-dimensional transient heat
conduction problems with cracks or inclusions. The current approach developed based on …

A quadtree-polygon-based scaled boundary finite element method for image-based mesoscale fracture modelling in concrete

H Guo, ET Ooi, AA Saputra, Z Yang, S Natarajan… - Engineering Fracture …, 2019 - Elsevier
A quadtree-polygon scaled boundary finite element-based approach for image-based
modelling of concrete fracture at the mesoscale is developed. Digital images representing …

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 …

An adaptive generalized interpolation material point method for simulating elastoplastic materials

M Gao, AP Tampubolon, C Jiang, E Sifakis - ACM Transactions on …, 2017 - dl.acm.org
We present an adaptive Generalized Interpolation Material Point (GIMP) method for
simulating elastoplastic materials. Our approach allows adaptive refining and coarsening of …

An octree-based immersogeometric approach for modeling inertial migration of particles in channels

S Xu, B Gao, A Lofquist, M Fernando, MC Hsu… - Computers & …, 2021 - Elsevier
In this paper, we develop a scalable, adaptively refined, octree-based finite element
approach with immersogeometric analysis to track inertial migration of particles in …

An X‐FEM and level set computational approach for image‐based modelling: application to homogenization

G Legrain, P Cartraud, I Perreard… - International Journal for …, 2011 - Wiley Online Library
The advances in material characterization by means of imaging techniques require powerful
computational methods for numerical analysis. The present contribution focuses on …

Nonlocal damage modelling by the scaled boundary finite element method

Z Zhang, Y Liu, DD Dissanayake, AA Saputra… - … Analysis with Boundary …, 2019 - Elsevier
The progressive damage of structures is fruitfully simulated by using the semi-analytical
scaled boundary finite element method (SBFEM). The integral-type nonlocal model …

High order X-FEM and levelsets for complex microstructures: uncoupling geometry and approximation

G Legrain, N Chevaugeon, K Dréau - Computer Methods in Applied …, 2012 - Elsevier
In this contribution, a strategy is proposed for uncoupling geometrical description and
approximation with the X-FEM. The strategy is based on an uniform coarse mesh that …