An Immersed Raviart–Thomas Mixed Finite Element Method for Elliptic Interface Problems on Unfitted Meshes - Ji, Haifeng (Journal of scientific computing, 2022)
Keywords: Algorithms; Approximation; Basis functions; Computational Mathematics and Numerical Analysis; Fines & penalties; Finite element analysis; Finite element method; Interfaces; Mathematical analysis; Mathematical and Computational Engineering; Mathematical and Computational Physics; Mathematics; Mathematics and Statistics; Methods; Theoretical; 65N15; Interface problem; Mixed finite element; Immersed finite element; Unfitted mesh; 35R05; 65N30