Photo of Xiaofeng Cai

Xiaofeng Cai 蔡晓峰

Office: Lijiao Building B408, Zhuhai Campus

Research Interests

Scientific Computing

High-Order Numerical Methods

Finite difference and finite volume weighted essentially non-oscillatory (WENO) methods, and discontinuous Galerkin (DG) methods for hyperbolic conservation laws.

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Semi-Lagrangian Methods

High-order semi-Lagrangian schemes for kinetic and transport equations with applications in plasma physics, including Vlasov-Poisson and Vlasov-Maxwell systems.

Structure-Preserving Algorithms

Energy-conserving, asymptotic-preserving, and positivity-preserving schemes for multi-scale and multi-physics simulations on both structured and unstructured meshes.

Shear flow simulation
Shear Flow Simulation

Publications

Selected Journal Papers & Preprints

Selected Journal Papers

  1. Xiaofeng Cai, Qingtao Li, Hongtao Liu, Haibiao Zheng
    A high-order energy-conserving semi-Lagrangian discontinuous Galerkin method for the Vlasov-Ampère system
    Acta Mechanica Sinica, Vol. 42, 725364, 2026
  2. Nanyi Zheng, Xiaofeng Cai, Jing-Mei Qiu, Jianxian Qiu
    Non-splitting Eulerian-Lagrangian WENO schemes for two-dimensional nonlinear convection-diffusion equations
    Journal of Computational Physics, 529, 113890, 2025
  3. Hongtao Liu, Xiaofeng Cai, Yong Cao, Giovanni Lapenta
    An asymptotic-preserving conservative semi-Lagrangian scheme for the Vlasov-Maxwell system in the quasi-neutral limit
    Journal of Computational Physics, 528, 113840, 2025
  4. Nanyi Zheng, Xiaofeng Cai, Jing-Mei Qiu, Jianxian Qiu
    Fourth-order conservative non-splitting semi-Lagrangian Hermite WENO schemes for kinetic and fluid simulations
    Journal of Scientific Computing, 99, 70, 2024
  5. Hongtao Liu, Xiaofeng Cai, Yong Cao, Giovanni Lapenta
    An efficient energy conserving semi-Lagrangian kinetic scheme for the Vlasov-Ampère system
    Journal of Computational Physics, 492, 112412, 2023
  6. Hongtao Liu, Mengyu Chen, Xiaofeng Cai, Yong Cao, Giovanni Lapenta
    A combined immersed finite element and conservative semi-Lagrangian scheme for plasma-material interactions
    Journal of Computational Physics, 488, 112232, 2023
  7. Nanyi Zheng, Xiaofeng Cai, Jing-Mei Qiu, Jianxian Qiu
    A fourth-order conservative semi-Lagrangian finite volume WENO scheme without operator splitting for kinetic and fluid simulations
    Computer Methods in Applied Mechanics and Engineering, 395, 114973, 2022
  8. Xiaofeng Cai, Jing-Mei Qiu
    Eulerian-Lagrangian Runge-Kutta Discontinuous Galerkin Method for Transport Simulations on Unstructured Meshes
    SIAM Journal on Scientific Computing, 44(4): A2037–A2060, 2022
  9. Xiaofeng Cai, Wei Guo, Jing-Mei Qiu
    Comparison of semi-Lagrangian discontinuous Galerkin schemes for linear and nonlinear transport simulations
    Communications on Applied Mathematics and Computation, 4, 3–33, 2022
  10. Xiaofeng Cai, Jing-Mei Qiu, Yang Yang
    An Eulerian-Lagrangian discontinuous Galerkin method for transport problems and its application to nonlinear dynamics
    Journal of Computational Physics, 439, 110392, 2021
  11. Xiaofeng Cai, Sebastiano Boscarino, Jing-Mei Qiu
    High Order Semi-Lagrangian Discontinuous Galerkin Method Coupled with Runge-Kutta Exponential Integrators for Nonlinear Vlasov Dynamics
    Journal of Computational Physics, 427, 110036, 2021
  12. Nanyi Zheng, Xiaofeng Cai, Jing-Mei Qiu, Jianxian Qiu
    A conservative semi-Lagrangian hybrid Hermite WENO scheme for linear transport equations and the nonlinear Vlasov-Poisson system
    SIAM Journal on Scientific Computing, 43(5), A3580–A3606, 2021
  13. Jiajie Chen, Xiaofeng Cai, Jianxian Qiu, Jing-Mei Qiu
    Adaptive Order WENO Reconstructions for the Semi-Lagrangian Finite Difference Scheme for advection problem
    Communications in Computational Physics, 30: 67–96, 2021
  14. Hongtao Liu, Xiaofeng Cai, Giovanni Lapenta, Yong Cao
    Conservative semi-Lagrangian kinetic scheme coupled with implicit finite element field solver for multidimensional Vlasov Maxwell system
    Communications in Nonlinear Science and Numerical Simulation, 102, 105941, 2021
  15. Leitao Chen, Sauro Succi, Xiaofeng Cai, Laura Schaefer
    Semi-Lagrangian implicit Bhatnagar-Gross-Krook collision model for the finite-volume discrete Boltzmann method
    Physical Review E, 101.6, 063301, 2020
  16. Yang Yang, Xiaofeng Cai, Jing-Mei Qiu
    Optimal convergence and superconvergence of semi-Lagrangian discontinuous Galerkin methods for linear convection equations in one space dimension
    Mathematics of Computation, 89(325): 2113–2139, 2020
  17. Mingchang Ding, Xiaofeng Cai, Wei Guo, Jing-Mei Qiu
    A semi-Lagrangian discontinuous Galerkin (DG) – local DG method for solving convection-diffusion equations
    Journal of Computational Physics, 409, 109295, 2020
  18. Xiaofeng Cai, Wei Guo, Jing-Mei Qiu
    A high order semi-Lagrangian discontinuous Galerkin method for the two-dimensional incompressible Euler equations and the guiding center Vlasov model without operator splitting
    Journal of Scientific Computing, 79.2: 1111–1134, 2019
  19. Xiaofeng Cai, Wei Guo, Jing-Mei Qiu
    A high order semi-Lagrangian discontinuous Galerkin method for Vlasov-Poisson simulations without operator splitting
    Journal of Computational Physics, 354: 529–551, 2018
  20. Xiaofeng Cai, Jianxian Qiu, Jing-Mei Qiu
    Finite volume HWENO schemes for nonconvex conservation laws
    Journal of Scientific Computing, 75.1: 65–82, 2018
  21. Xiaofeng Cai, Wei Guo, Jing-Mei Qiu
    A high order conservative semi-Lagrangian discontinuous Galerkin method for two-dimensional transport simulations
    Journal of Scientific Computing, 73.2-3: 514–542, 2017 (special issue in honor of the 60th birthday of Chi-Wang Shu)
  22. Xiaofeng Cai, Jun Zhu, Jianxian Qiu
    Hermite WENO schemes with strong stability preserving multi-step temporal discretization methods for conservation laws
    Journal of Computational Mathematics, 35: 19–40, 2017
  23. Xiaofeng Cai, Jianxian Qiu, Jing-Mei Qiu
    A conservative semi-Lagrangian HWENO method for the Vlasov equation
    Journal of Computational Physics, 323: 95–114, 2016
  24. Xiaofeng Cai, Xiangxiong Zhang, Jianxian Qiu
    Positivity-preserving high order finite volume HWENO schemes for compressible Euler equations
    Journal of Scientific Computing, 68: 464–483, 2016

Preprints