G. Efraimsson, A NUMERICAL-METHOD FOR THE FIRST-ORDER WAVE-EQUATION WITH DISCONTINUOUS INITIAL DATA, Numerical methods for partial differential equations, 14(3), 1998, pp. 353-365
We introduce a method, constructed such that numerical solutions of th
e wave equation are well behaved when the solutions also contain disco
ntinuities. The wave equation serves as a model problem for the Euler
equations when the solution contains a contact discontinuity. Numerica
l computations of linear equations and the Euler equations in one and
two dimensions are presented. (C) 1998 John Wiley & Sons, Inc.