Meshfree methods: progress made after 20 years

JS Chen, M Hillman, SW Chi - Journal of Engineering Mechanics, 2017 - ascelibrary.org
In the past two decades, meshfree methods have emerged into a new class of computational
methods with considerable success. In addition, a significant amount of progress has been …

An accelerated, convergent, and stable nodal integration in Galerkin meshfree methods for linear and nonlinear mechanics

M Hillman, JS Chen - International Journal for Numerical …, 2016 - Wiley Online Library
Convergent and stable domain integration that is also computationally efficient remains a
challenge for Galerkin meshfree methods. High order quadrature can achieve stability and …

An accuracy analysis of Galerkin meshfree methods accounting for numerical integration

J Wu, D Wang - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
Presently, it has been widely recognized that numerical integration plays a crucial role on
the solution accuracy of Galerkin meshfree methods due to the rational nature of meshfree …

An inherently consistent reproducing kernel gradient smoothing framework toward efficient Galerkin meshfree formulation with explicit quadrature

D Wang, J Wu - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
A reproducing kernel gradient smoothing framework with explicit quadrature rules is
proposed for efficient Galerkin meshfree formulation. In this framework, the meshfree …

An efficient nesting sub-domain gradient smoothing integration algorithm with quadratic exactness for Galerkin meshfree methods

D Wang, J Wu - Computer Methods in Applied Mechanics and …, 2016 - Elsevier
An efficient nesting sub-domain gradient smoothing integration algorithm is proposed for
Galerkin meshfree methods with particular reference to the quadratic exactness. This …

A stable node-based smoothed finite element method for metal forming analysis

H Yang, XY Cui, S Li, YH Bie - Computational Mechanics, 2019 - Springer
In this paper, a stable node-based smoothed finite element method (SNS-FEM) is presented
for analyzing metal forming problems using linear triangular or tetrahedral elements. In …

A new formulation for air-blast fluid–structure interaction using an immersed approach: part II—coupling of IGA and meshfree discretizations

Y Bazilevs, G Moutsanidis, J Bueno, K Kamran… - Computational …, 2017 - Springer
In this two-part paper we begin the development of a new class of methods for modeling
fluid–structure interaction (FSI) phenomena for air blast. We aim to develop accurate, robust …

Strain gradient stabilization with dual stress points for the meshfree nodal integration method in inelastic analyses

CT Wu, SW Chi, M Koishi, Y Wu - International Journal for …, 2016 - Wiley Online Library
A nonlinear nodal‐integrated meshfree Galerkin formulation based on recently proposed
strain gradient stabilization (SGS) method is developed for large deformation analysis of …

Naturally stabilized nodal integration meshfree formulations for analysis of laminated composite and sandwich plates

CH Thai, AJM Ferreira, H Nguyen-Xuan - Composite Structures, 2017 - Elsevier
This article addresses a naturally stabilized nodal integration (NSNI) meshfree formulation
for static, free vibration and buckling analyses of laminated composite and sandwich plates …

ILS-MPM: An implicit level-set-based material point method for frictional particulate contact mechanics of deformable particles

C Liu, WC Sun - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
Finite element simulations of frictional multi-body contact problems via conformal meshes
can be challenging and computationally demanding. To render geometrical features …