Singular boundary method: A review and computer implementation aspects

Z Fu, Q Xi, Y Gu, J Li, W Qu, L Sun, X Wei… - … Analysis with Boundary …, 2023 - Elsevier
This paper presents an overview of the singular boundary method (SBM) and its various
engineering applications. The basic concepts of the singular boundary method are first …

Numerical investigation of the element-free Galerkin method (EFGM) with appropriate temporal discretization techniques for transient wave propagation problems

Y Li, C Liu, W Li, Y Chai - Applied Mathematics and Computation, 2023 - Elsevier
In the earlier paper, it is known that the solution accuracy usually can not be monotonically
increased as the temporal discretization interval decreases when the standard finite element …

The extrinsic enriched finite element method with appropriate enrichment functions for the Helmholtz equation

Y Chai, K Huang, S Wang, Z Xiang, G Zhang - Mathematics, 2023 - mdpi.com
The traditional finite element method (FEM) could only provide acceptable numerical
solutions for the Helmholtz equation in the relatively small wave number range due to …

Numerical simulation of anti-plane wave propagation in heterogeneous media

X Wei, C Rao, S Chen, W Luo - Applied Mathematics Letters, 2023 - Elsevier
This paper formulates a semi-analytical boundary meshless method, the singular boundary
method (SBM), to simulate the anti-plane wave motion in the heterogeneous media. Two …

The edge-based smoothed FEM with ρ∞-Bathe implicit temporal discretization scheme for the analyses of underwater wave propagation problems

Y Chai, S Wang, Y Wang, W Li, K Huang, Q Zhang - Ocean Engineering, 2023 - Elsevier
The underwater acoustic wave propagation problem is an important issue in ocean
engineering field. The classical finite element approach with edge-based smoothed gradient …

The meshfree radial point interpolation method (RPIM) for wave propagation dynamics in non-homogeneous media

C Liu, S Min, Y Pang, Y Chai - Mathematics, 2023 - mdpi.com
This work presents a novel simulation approach to couple the meshfree radial point
interpolation method (RPIM) with the implicit direct time integration method for the transient …

Meshless generalized finite difference method for two-and three-dimensional transient elastodynamic analysis

W Sun, W Qu, Y Gu, S Zhao - Engineering Analysis with Boundary …, 2023 - Elsevier
In this paper, a meshless collocation method is introduced for two-dimensional (2D) and
three-dimensional (3D) transient elastodynamic problems by applying the generalized finite …

A novel semi-analytical meshless method for the thickness optimization of porous material distributed on sound barriers

H Liu, F Wang - Applied Mathematics Letters, 2024 - Elsevier
This paper presents a novel semi-analytical meshless method to optimize the thickness of
porous material distributed on sound barriers, by employing the Burton–Miller-type singular …

Improved modal analyses using the novel quadrilateral overlapping elements

Q Gui, W Li, Y Chai - Computers & Mathematics with Applications, 2024 - Elsevier
In this work, the novel quadrilateral overlapping element incorporated with the harmonic
trigonometric functions is presented to reduce the efforts in mesh division for modal analysis …

A singular boundary method for transient coupled dynamic thermoelastic analysis

L Sun, Q Zhang, Z Chen, X Wei - Computers & Mathematics with …, 2024 - Elsevier
In this study, a singular boundary method (SBM) formulation is developed for the transient
coupled dynamic thermoelastic problems. Before applying the SBM, a method based on …