the Computational Geophysics Laboratory
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publications
A parallel weighted Runge-Kutta discontinuous galerkin method for solving acousitc wave equations in 3D D’Alembert media on unstructured meshes
Published in Chinese Journal of Geophysics(in Chinese), 2021
This paper is about the discontinuous galerkin method.
Recommended citation: HE XiJun, YANG DingHui, QIU ChuJun, Chang Yunfan.(2021). " Chinese Journal of Geophysics(in Chinese). 64(3): 876-895.
Wavefield simulation with the discontinuous Galerkin method for poroelastic wave equation in triple-porosity media
Published in GEOPHYSICS, 2022
This paper is about the discontinuous galerkin method.
Recommended citation: JiandongHuang and DinghuiYang and XijunHe and YunfanChang. " GEOPHYSICS 2023 88:3, T121-T135.
A robust numerical method based on deep learning operator for solving the 2D acoustic wave equation
Published in GEOPHYSICS, 2024
We develop the deep Lax-Wendroff correction (DeepLWC) method, a deep-learning-based numerical format for solving 2D hyperbolic wave equations.
Recommended citation: Yunfan Chang, Dinghui Yang, and Xijun He. " GEOPHYSICS 2024, 89(4): T195-T205.
A deep learning operator-based numerical scheme method for solving 1-D wave equations
Published in Journal of Geophysics and Engineering, 2024
We introduce the deep numerical technique DeepNM, which is designed for solving one-dimensional (1D) hyperbolic conservation laws, particularly wave equations.
Recommended citation: Yunfan Chang, Dinghui Yang, and Xijun He. " gxae062.
talks
Seminar
- Deep Learning Methods for Various Numerical Schemes to The Wave Equations(2022-12)
- Discontinuous Galerkin Method With TVD Runge-Kutta Temporal Discretization Based On Deep Learning For Acoustic Wave Equations(2022-5)
- Discontinuous Galerkin Method based on deep learning(2022-3)
- A deep learning based Discontinuous Galerkin Method for solving seismic wave equation(1D Acoustic wave equation)(2021-12)
- A deep learning based Discontinuous Galerkin Method for solving seismic wave equation(Burger’s Equation)(2021-9)
- Discontinuous Galerkin Method for solving seismic wave equation(2020-12)
teaching
Undergraduate
Undergraduate course, University of Science and Technology of China, School of Mathematics science, 2018
TA
- 2018 Fall: Mathematical Analysis I
- 2019 Spring: Mathematical Analysis II
- 2019 Fall: Differential Geometry
PhD
graduate course, Tsinghua University, Department of Mathematics, 2020
TA
- 2020 Fall: Numerical Analysis
- 2021 Spring: Complex Function
- 2021 Fall: Numerical Analysis
- 2022 Spring: Probability and Statistics
- 2022 Fall: Linear Algebra