[PDF][PDF] The Method of Auxiliary Sources in electromagnetic problems of scattering, mode analysis, and shielding: Theory and Applications

M Kouroumplakis - 2022 - dspace.lib.ntua.gr
The most common choice for the numerical solution of integral equations is the Method of
Moments (MoM). However, during its implementation, and in particular, when filling the …

The method of fundamental solutions for pointwise source reconstruction

JR de Faria, D Lesnic, R da Silva Lima… - … & Mathematics with …, 2022 - Elsevier
This work deals with the reconstruction of point sources in the modified Helmholtz equation
in two and three dimensions. This problem has critical applications in engineering and …

[HTML][HTML] Numerical conformal mapping for underground unlined tunnels with arbitrary shapes based on Symm's method

J Chengzhang, J Cheng, Q Jiang - Discover Applied Sciences, 2024 - Springer
Conformal mapping technique is important in theoretical analysis and numerical
computation for the fields of stress and displacement. In general, a unlined tunnel with …

A simple formula for obtaining OIFs on Neumann boundary in 2D potential problems and its applications

B Chen, W Qu, K Shu, L Zhang - Engineering Analysis with Boundary …, 2022 - Elsevier
Prior to this study, an empirical formula has been proposed to evaluate origin intensity
factors on the Dirichlet boundary. In this work, a simple empirical formula for obtaining origin …

[PDF][PDF] Local MFS Matrix Decomposition Algorithms for Elliptic BVPs in Annuli

CS Chen, A Karageorghis, M Lei - 2023 - researchgate.net
We apply the local method of fundamental solutions (LMFS) to boundary value problems
(BVPs) for the Laplace and homogeneous biharmonic equations in annuli. By appropriately …

Representing the shapes of carpals solving boundary value problems by meshless methods

JK Grabski - 2022 Signal Processing: Algorithms, Architectures …, 2022 - ieeexplore.ieee.org
The differences between the chronological age, resulting from the date of birth, and the bone
age may indicate an endocrine or growth disorders. The wrist bones, also called the carpal …

An Inverse Boundary-Type Meshfree Method for Identification of 2D Elastic Properties of Anisotropic Solids

MR Hematiyan, A Khosravifard, M Mohammadi… - 2023 - researchsquare.com
There are six elastic constants for an anisotropic body in plane strain/stress conditions. In
the inverse problem of this study, it is assumed that the elastic constants of an anisotropic …

Helmholtz equation for a Neumann condition on a curved boundary: spurious resonances

A Wirgin - Applicable Analysis, 2022 - Taylor & Francis
The 2D canonical case of a semi-circular canyon is addressed via two types of boundary-
integral equations (BIE) methods which are shown, via Galerkin procedures, to lead to …

Lower and upper bounds of condition number for Vandermonde‐wise matrices and method of fundamental solutions using pseudo radial‐lines

LP Zhang, ZC Li, MG Lee… - Numerical Linear Algebra …, 2023 - Wiley Online Library
Consider the method of fundamental solutions (MFS) for 2D Laplace's equation in a
bounded simply connected domain S S. In the standard MFS, the source nodes are located …

Meshfree approximate solution of the Cauchy–Navier equations of elastodynamics

SS Valtchev, NFM Martins - 2021 3rd International Conference …, 2021 - ieeexplore.ieee.org
In this study we propose a meshfree scheme for the numerical solution of boundary value
problems (BVP) for the nonhomogeneous Cauchy-Navier equations of elastodynamics. The …