A simple weak formulation for solving two-dimensional diffusion equation with local reaction on the interface
A simple weak formulation for solving two-dimensional diffusion equation with local reaction on the interface
复制标题
求解界面上局部反应的二维扩散方程的简单弱公式
DOI:
10.1016/j.camwa.2017.11.003
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发表时间:
2017-11
影响因子:
2.9
通讯作者:
Shi Liwei
中科院分区:
文献类型:
--
作者:
Wang Liqun;Hou Songming;Shi Liwei
In this paper, we propose a numerical method for solving two-dimensional diffusion equation with nonhomogeneous jump condition and nonlinear flux jump condition located at the interface. We use finite element method coupled with Newton’s method to deal with the jump conditions and to linearize the system. It is easy to implement. The grid used here is body-fitting grids based on the idea of semi-Cartesian grid. Numerical experiments show that this method is nearly second order accurate in the L∞ norm.
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