We develop the characteristic block-centered finite difference method for nonlinear convection-diffusion problems in the rectangular domain. The discrete LZnorm errors of schemes in both the approximate solution and i...We develop the characteristic block-centered finite difference method for nonlinear convection-diffusion problems in the rectangular domain. The discrete LZnorm errors of schemes in both the approximate solution and its first derivativesare second-order for all nonuniform girds.展开更多
文摘We develop the characteristic block-centered finite difference method for nonlinear convection-diffusion problems in the rectangular domain. The discrete LZnorm errors of schemes in both the approximate solution and its first derivativesare second-order for all nonuniform girds.