Three-dimensional fracture propagation with numerical manifold method

Y Yang, X Tang, H Zheng, Q Liu, L He - Engineering Analysis with …, 2016‏ - Elsevier
By introducing the concept of mathematical cover and physical cover, the numerical
manifold method (NMM) is able to solve continuous and discontinuous problems in a unified …

Adaptation of quadtree meshes in the scaled boundary finite element method for crack propagation modelling

ET Ooi, H Man, S Natarajan, C Song - Engineering Fracture Mechanics, 2015‏ - Elsevier
A crack propagation modelling technique combining the scaled boundary finite element
method and quadtree meshes is developed. This technique automatically satisfies the …

A brief review on polygonal/polyhedral finite element methods

L Perumal - Mathematical Problems in Engineering, 2018‏ - Wiley Online Library
This paper provides brief review on polygonal/polyhedral finite elements. Various
techniques, together with their advantages and disadvantages, are listed. A comparison of …

A three-dimensional collocation finite element method for higher-order electromechanical coupling

K Tannhäuser, PH Serrao, S Kozinov - Computers & Structures, 2024‏ - Elsevier
Flexoelectricity is a fundamental property found in all nano/micro-scale dielectric materials,
even those with centrosymmetry. It describes coupling between electric field and nonuniform …

Arbitrary polygon-based CSFEM-PFCZM for quasi-brittle fracture of concrete

Y Huang, Z Zheng, F Yao, C Zeng, H Zhang… - Computer Methods in …, 2024‏ - Elsevier
In recent years, engineering and research communities have shown a growing interest in
polygon elements due to their adaptability to complex geometries. However, their …

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 …

Linear smoothed polygonal and polyhedral finite elements

A Francis, A Ortiz‐Bernardin… - International Journal …, 2017‏ - Wiley Online Library
The strain smoothing technique over higher order elements and arbitrary polytopes yields
less accurate solutions than other techniques such as the conventional polygonal finite …

A novel nonlinear solution for the polygon scaled boundary finite element method and its application to geotechnical structures

K Chen, D Zou, X Kong, A Chan, Z Hu - Computers and Geotechnics, 2017‏ - Elsevier
The polygon scaled boundary finite element method is semi-analytical and known for its
high precision. However, the material nonlinearity cannot be maintained because this …

Isogeometric analysis enhanced by the scaled boundary finite element method

S Natarajan, JC Wang, C Song, C Birk - Computer Methods in Applied …, 2015‏ - Elsevier
By leveraging the information of a typical CAD model in the analysis, the intensive process
of discretization can be circumvented. This unification has led to the 'Isogeometric …

A polytree-based adaptive polygonal finite element method for multi-material topology optimization

KN Chau, KN Chau, T Ngo, K Hackl… - Computer Methods in …, 2018‏ - Elsevier
This study presents a polytree-based adaptive methodology for multi-material topology
optimization (MMTOP). Polytree data structure is introduced as a general recursive multi …