Central WENO Schemes for Hyperbolic Conservation Laws

(with G. Puppo and G. Russo)

Mathematical Modelling and Numerical Analysis, 33, 1999, 547-571

We present a family of high-order, essentially non-oscillatory, central schemes for approximating solutions of hyperbolic systems of conservation laws. These schemes are based on a new centered version of the Weighted Essentially Non-Oscillatory (WENO) reconstruction of point-values from cell-averages, which is then followed by an accurate approximation of the fluxes via a natural continuous extension of Runge-Kutta solvers. We explicitly construct the third and fourth-order scheme and demonstrate their high-resolution properties in several numerical tests. 

 

© Doron Levy 2009