Stabilized and variationally consistent integrated meshfree formulation for advection-dominated problems

TH Huang - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
Meshfree methods such as reproducing kernel (RK) approximation are suitable for modeling
fluid flow problems because of their flexibility in controlling local smoothness and order of …

A rotation-free Hellinger-Reissner meshfree thin plate formulation naturally accommodating essential boundary conditions

J Wu, X Wu, Y Zhao, D Wang - Engineering Analysis with Boundary …, 2023 - Elsevier
A rotation-free Hellinger-Reissner meshfree thin plate formulation is proposed to naturally
accommodate the essential boundary conditions in a variationally consistent way. In this …

A node-based consistent non-conforming gradient smoothing scheme for highly efficient Galerkin meshfree formulation

L Fan, L Deng, D Wang - Engineering with Computers, 2024 - Springer
The stabilized conforming nodal integration (SCNI) is currently widely employed in Galerkin
meshfree formulation. A key ingredient of SCNI is the strain or gradient smoothing defined …

[图书][B] Meshfree and particle methods: fundamentals and applications

T Belytschko, JS Chen, M Hillman - 2023 - books.google.com
Meshfree and Particle Methods Provides thorough coverage of essential concepts and state-
of-the-art developments in the field Meshfree and Particle Methods is the first book of its kind …

基于赫林格− 赖斯纳变分原理的一致高效无网格本质边界条件施加方法

吴俊超, 吴新瑜, 赵珧冰, 王东东 - 力学学报, 2022 - lxxb.cstam.org.cn
无网格法具有高阶连续光滑的形函数, 在结构分析中呈现出显著的精度优势.
但无网格形函数在节点处一般没有插值性, 导致伽辽金无网格法难以直接施加本质边界条件 …

Towards a general interpolation scheme

B Boroomand, S Parand - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
This paper presents an interpolation scheme applicable to meshless/mesh-based methods.
The formulation is capable of generating ordinary as well as non-negative shape functions …

A consistent and efficient method for imposing meshfree essential boundary conditions via Hellinger-Reissner variational principle

W Junchao, W Xinyu, Z Yaobing… - Chinese Journal of …, 2022 - lxxb.cstam.org.cn
Galerkin meshfree methods with arbitrary order smooth shape functions exhibit superior
accuracy advantages in structural analysis. However, the smooth meshfree shape functions …

A new meshfree variational multiscale (VMS) method for essential boundary conditions

AB Groeneveld, MC Hillman - Computer Methods in Applied Mechanics …, 2024 - Elsevier
Meshfree methods offer significant flexibility in discretizing partial differential equations,
including arbitrary smoothness uncoupled with the order of the approximation, and the …

A quasi-meshfree method for nonlinear solid mechanics: Separating domain discretization from solution discretization

J Bishop, M Tupek, J Koester - Computer Methods in Applied Mechanics …, 2024 - Elsevier
In many applications, domains of interest are geometrically complex containing numerous
small features. These features are typically removed in a manual process to facilitate a …

Nodally integrated thermomechanical RKPM: Part I—Thermoelasticity

M Hillman, KC Lin - Computational Mechanics, 2021 - Springer
In this two-part paper, a stable and efficient nodally-integrated reproducing kernel particle
method (RKPM) is introduced for solving the governing equations of generalized …