Multivariate uncertainty analysis of fracture problems through model order reduction accelerated SBFEM

X Shen, C Du, S Jiang, P Zhang, L Chen - Applied Mathematical Modelling, 2024 - Elsevier
Abstract An efficient Monte Carlo simulation (MCS) method that analyses the influences of
multivariate uncertain parameters on the response of cracked structures is proposed. The …

A stable radial basis function partition of unity method for solving convection–diffusion equations on surfaces

Y Liu, Y Qiao, X Feng - Engineering Analysis with Boundary Elements, 2023 - Elsevier
The radial basis function partition of unity (RBF-PU) method is used to solve various types of
partial differential equations, since it is based on scattered node sets that can be easily …

Assessment of local radial basis function collocation method for diffusion problems structured with multiquadrics and polyharmonic splines

I Ali, U Hanoglu, R Vertnik, B Šarler - Mathematical and computational …, 2024 - mdpi.com
This paper aims to systematically assess the local radial basis function collocation method,
structured with multiquadrics (MQs) and polyharmonic splines (PHSs), for solving steady …

A compact direct radial basis function partition of unity method for parabolic equations on surfaces

Y Liu, Y Qiao, X Feng - International Communications in Heat and Mass …, 2025 - Elsevier
In this paper, we develop a compact direct radial basis function partition of unity (D-RBF-PU)
method for parabolic equations on closed surfaces. The new method involves partitioning …

A semi-Lagrangian radial basis function partition of unity closest point method for advection-diffusion equations on surfaces

Y Liu, Y Qiao, X Feng - Computers & Mathematics with Applications, 2025 - Elsevier
A semi-Lagrangian radial basis function partition of unity (RBF-PU) closest point method is
designed for solving advection-diffusion equations on surfaces. This new meshfree method …

Direct RBF-PU method combined with the tangent plane approach for parabolic equation on surface

Y Liu, Y Qiao, X Xiao, X Feng - Engineering Analysis with Boundary …, 2024 - Elsevier
In this paper, we design a new framework of direct radial basis function partition of unity (D-
RBF-PU) method to solve parabolic equation on surface with and without boundary. Resort …

Computing compact finite difference formulas under radial basis functions with enhanced applicability

Y Song, M Barfeie, F Soleymani - Applied Numerical Mathematics, 2024 - Elsevier
In this work, we use the combination of radial basis functions (RBFs) and polynomials to
derive compact finite difference (FD) formulas. We use RBFs and integrated RBFs (IRBFs) …

High accuracy two-level compact implicit method in exponential form for 2D fourth order quasi-linear parabolic equations

D Sharma, K Mittal, D Kaur, RK Ray, RK Mohanty - Numerical Algorithms, 2024 - Springer
In this study, we develop a nine-point compact difference scheme in exponential form to
solve two-dimensional second-order quasi-linear parabolic equations with Dirichlet …

Sensitivity Analysis of a 2D Stochastic Agent-Based and PDE Diffusion Model for Cancer-on-Chip Experiments

M Pompa, D Torre, G Bretti, A De Gaetano - Axioms, 2023 - mdpi.com
The present work extends a previous paper where an agent-based and two-dimensional
partial differential diffusion model was introduced for describing immune cell dynamics …

A Meshless Approach for Modeling Water Infiltration in Heterogeneous Soils

F Shile, M Sadik, SC Georgescu - 2023 11th International …, 2023 - ieeexplore.ieee.org
In various scientific and engineering domains, the prediction of soil water infiltration and fluid
flow in unsaturated soils are significant issues. In addition, the unsaturated zone is the …