TY - JOUR T1 - A Linear Implicit L1-Legendre Galerkin Chebyshev Collocation Method for Generalized Time- and Space-Fractional Burgers Equation AU - Yang , Yubo AU - Ma , Heping JO - Journal of Computational Mathematics VL - 5 SP - 629 EP - 644 PY - 2019 DA - 2019/03 SN - 37 DO - http://doi.org/10.4208/jcm.1807-m2017-0197 UR - https://global-sci.org/intro/article_detail/jcm/13038.html KW - Generalized fractional Burgers equation, Stability and convergence analysis, Legendre Galerkin Chebyshev collocation method, Finite difference method. AB -
In this paper, a linear implicit L1-Legendre Galerkin Chebyshev collocation method for the generalized time- and space-fractional Burgers equation is developed. A linear implicit finite difference scheme based on the L1-algorithm for the Caputo fractional derivative is proposed for temporal discretization. And the Legendre Galerkin Chebyshev collocation method, based on the Legendre-Galerkin variational form, but the nonlinear term and the right-hand term are treated by Chebyshev-Gauss interpolation, is proposed for spatial discretization. Rigorous stability and convergence analysis are developed. Numerical examples are shown to demonstrate the accuracy, stability and effectiveness of the method.