Short Note: Interaction of a shock with a density disturbance via shock fitting

Authors:
Ambady Suresh
Affiliations:
QSS Group Inc., NASA Glenn Research Center, 21000 Brookpark Road, MS 142-4, Cleveland, OH 44135, USA
Venue:
Journal of Computational Physics
Year:
2005

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Abstract

An accurate solution to the problem of a normal shock moving into still fluid with a density variation is presented. The solution is obtained using a shock fitted approach and Runge-Kutta time integration. Uniform third order accuracy of the scheme us demonstrated. Comparisons with shock captured solutions show that the fitted solution presented here is more accurate.