当前位置: X-MOL 学术J. Comput. Phys. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
An efficient spectral-Galerkin method for fractional reaction-diffusion equations in unbounded domains
Journal of Computational Physics ( IF 3.8 ) Pub Date : 2021-01-07 , DOI: 10.1016/j.jcp.2020.110083
Huifang Yuan

In this work, we apply a fast and accurate numerical method for solving fractional reaction-diffusion equations in unbounded domains. By using the Fourier-like spectral approach in space, this method can effectively handle the fractional Laplace operator, leading to a fully diagonal representation of the fractional Laplacian. To fully discretize the underlying nonlinear reaction-diffusion systems, we propose to use an accurate time marching scheme based on ETDRK4. Numerical examples are presented to illustrate the effectiveness of the proposed method.



中文翻译:

无界域中分数阶反应扩散方程的高效谱-Galerkin方法

在这项工作中,我们应用了一种快速准确的数值方法来求解无界域中的分数反应扩散方程。通过在空间中使用类似傅立叶的频谱方法,该方法可以有效地处理分数拉普拉斯算子,从而得到分数拉普拉斯算子的完全对角线表示。为了充分离散基础的非线性反应扩散系统,我们建议使用基于ETDRK4的精确时间行进方案。数值例子说明了该方法的有效性。

更新日期:2021-01-07
down
wechat
bug