Chelyshkov least squares support vector regression for nonlinear stochastic differential equations by variable fractional Brownian motion

P Rahimkhani, Y Ordokhani - Chaos, Solitons & Fractals, 2022 - Elsevier
The main aim of this study is to introduce an efficient method based on the Chelyshkov
polynomials and least squares support vector regression (LS-SVR) for solving a class of …

[HTML][HTML] Fast evolution numerical method for the Allen–Cahn equation

J Yang, Y Li, C Lee, Y Choi, J Kim - Journal of King Saud University …, 2023 - Elsevier
We present a fast evolution numerical algorithm for solving the Allen–Cahn (AC) equations.
One of efficient computational techniques for the AC equation is the operator splitting …

Error estimates of divergence-free generalized moving least squares (Div-Free GMLS) derivatives approximations in Sobolev spaces

V Mohammadi, M Dehghan - Applied Numerical Mathematics, 2023 - Elsevier
The divergence-free generalized moving least squares (Div-Free GMLS) approximation has
recently been utilized to solve some incompressible fluid flows problems. In our recent work …

A polynomial-augmented RBF collocation method using fictitious centres for solving the Cahn–Hilliard equation

D Cao, X Li, H Zhu - Engineering Analysis with Boundary Elements, 2022 - Elsevier
In this paper, we consider the radial basis function collocation method with fictitious centres
for solving the Cahn–Hilliard equation in one-dimensional and two-dimensional settings …

An asymptotic analysis and numerical simulation of a prostate tumor growth model via the generalized moving least squares approximation combined with semi …

V Mohammadi, M Dehghan, A Khodadadian… - Applied Mathematical …, 2022 - Elsevier
This paper focuses on presenting an asymptotic analysis and employing simulations of a
model describing the growth of local prostate tumor (known as a moving interface problem) …

An improved Poisson surface reconstruction algorithm based on the boundary constraints

Z Liu, L Wang, M Tahir, J Huang… - International …, 2023 - search.proquest.com
The usage of the point cloud surface reconstruction to generate high-precision 3D models
has been widely applied in various fields. In order to deal with the problems of insufficient …

Moving least‐squares aided finite element method: A powerful means to predict flow fields in the presence of a solid part

M Mostafaiyan, S Wießner… - International Journal for …, 2024 - Wiley Online Library
With the assistance of the moving least‐squares (MLS) interpolation functions, a two‐
dimensional finite element code is developed to consider the effects of a stationary or …

A complex variable EFG method for hyperelastic large deformation analysis under non-conservative loads

S Cai, DM Li, J Xie - Applied Mathematical Modelling, 2023 - Elsevier
The finite element method is extremely popular in almost all fields of engineering and
scientific research due to its powerful and accessible industrial software for computational …

Mathematical modeling of the stress–strain state of T‐shaped connection of cylindrical pipes

VA Rukavishnikov, AS Ryabokon… - … Methods in the …, 2022 - Wiley Online Library
Equations of elastic cylindrical shells in term displacements for the T‐shaped connection of
pipes are derived. Three‐dimensional mathematical model is constructed within the …

A numerical scheme for the blow-up time of solutions of a system of nonlinear ordinary differential equations

A Pérez, J Villa-Morales - Applied Numerical Mathematics, 2022 - Elsevier
Based on the method of finite differences we propose a numerical blow-up time for a system
of nonlinear ordinary differential equations, such system is defined by means of some …