TY - JOUR T1 - A FEM for Solving Two-Dimensional Nonlinear Elliptic-Parabolic Interface Problems with Nonhomogeneous Jump Conditions AU - Wang , Liqun AU - Hou , Songming AU - Shi , Liwei JO - Advances in Applied Mathematics and Mechanics VL - 3 SP - 752 EP - 766 PY - 2018 DA - 2018/10 SN - 10 DO - http://doi.org/10.4208/aamm.OA-2017-0097 UR - https://global-sci.org/intro/article_detail/aamm/12234.html KW - Finite element method, nonlinear elliptic-parabolic interface problems, nonhomogeneous jump conditions. AB -
In this paper, a new method was proposed for solving two-dimensional nonlinear elliptic-parabolic interface problems with nonhomogeneous jump conditions. The method we used is a finite element method coupled with Newton's method. It is very simple and easy to implement. The grid we used here is body-fitting grids based on the idea of semi-Cartesian grid. Numerical experiments show that this method is about second order accurate in the $L^∞$ norm for different kinds of nonlinear terms and interface with complicated geometry.