collaborators

5 papers

math-ph2025

Enhancing Micromagnetics Simulations with a Third-Order Semi-Implicit Projection Method

Changjian Xie, Cheng Wang

Micromagnetics depends on high-fidelity numerical methods for magnetization dynamics. This work proposes a third-order temporal accuracy scheme for the Landau-Lifshitz-Gilbert equa…

math.NA2025

Convergence analysis of a third order semi-implicit projection method for Landau-Lifshitz-Gilbert equation

Changjian Xie, Cheng Wang

The convergence analysis of a third-order scheme for the highly nonlinear Landau-Lifshitz-Gilbert equation with a non-convex constraint is considered. In this paper, we first prese…

math.NA2025

Efficient And Stable Third-order Method for Micromagnetics Simulations

Changjian Xie, Cheng Wang

To address the magnetization dynamics in ferromagnetic materials described by the Landau-Lifshitz-Gilbert equation under large damping parameters, a third-order accurate numerical…

math.NA2025

Error Analysis of Third-Order in Time and Fourth-Order Linear Finite Difference Scheme for Landau-Lifshitz-Gilbert Equation under Large Damping Parameters

Changjian Xie, Cheng Wang

This work proposes and analyzes a fully discrete numerical scheme for solving the Landau-Lifshitz-Gilbert (LLG) equation, which achieves fourth-order spatial accuracy and third-ord…

math-ph2025

Instability of Numerical Method for Micromagnetics Simulations with Large Damping Parameters

Changjian Xie, Cheng Wang

We propose and implement a third-order accurate numerical scheme for the Landau-Lifshitz-Gilbert equation, which describes magnetization dynamics in ferromagnetic materials under l…