代表作:
[1] Haifeng Ji, An immersed Crouzeix-Raviart finite element method in 2D and 3D based on discrete level set functions. Numer. Math. 153 (2023), no. 2-3, 279-325.
[2] Haifeng Ji, Feng Wang, Jinru Chen, Zhilin Li, Analysis of nonconforming IFE methods and a new scheme for elliptic interface problems. ESAIM Math. Model. Numer. Anal. 57 (2023), no. 4, 2041-2076.
[3] Haifeng Ji, Feng Wang, Jinru Chen, Zhilin Li, A new parameter free partially penalized immersed finite element and the optimal convergence analysis. Numer. Math. 150 (2022), no. 4, 1035-1086.
[4] Haifeng Ji, Feng Wang, Jinru Chen, Zhilin Li, An immersed CR-P0 element for Stokes interface problems and the optimal convergence analysis. Comput. Methods Appl. Mech. Engrg. 399 (2022), Paper No. 115306, 30 pp.
[5] Haifeng Ji, Zhifeng Weng, Qian Zhang, An augmented immersed finite element method for variable coefficient elliptic interface problems in two and three dimensions. J. Comput. Phys. 418 (2020), Paper No. 109631, 18 pp.
[6] Haifeng Ji, Qian Zhang, Qiuliang Wang, Yifan Xie, A partially penalised immersed finite element method for elliptic interface problems with non-homogeneous jump conditions. East Asian J. Appl. Math. 8 (2018), no. 1, 1-23.
[7] Haifeng Ji, Qian Zhang, Bin Zhang, Inf-sup stability of Petrov-Galerkin immersed finite element methods for one-dimensional elliptic interface problems. Numer. Methods Partial Differential Equations 34(2018), no. 6, 1917-1932.
[8] Haifeng Ji, Jinru Chen, Zhilin Li, A high-order source removal finite element method for a class of elliptic interface problems. Appl. Numer. Math. 130 (2018), 112-130.
[9] Zhilin Li, Haifeng Ji, Xiaohong Chen, Accurate solution and gradient computation for elliptic interface problems with variable coefficients. SIAM J. Numer. Anal. 55 (2017), no. 2, 570-597.
[10] Haifeng Ji, Feng Wang, Jinru Chen, Unfitted finite element methods for the heat conduction in composite media with contact resistance. Numer. Methods Partial Differential Equations 33 (2017), no. 1, 354–380.