The signal method

Details The signal method The signal method

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996pasa...13..227w&link_type=abstract

Publications Astronomical Society of Australia, vol. 13, no. 3, p. 227-235

Astronomy and Astrophysics

Astronomy

Shockwaves, Hydrodynamics

Scientific paper

This paper presents a new Lagrangian approach to the numeric solution of the equation of gas dynamics in two dimensions. This, the signal method, is implemented here as a free Lagrange method by the code FLAME. The signal method is conservative, stable, unsplit, positive definite, accurately tracks strong shock fronts with ease, and adapts to and follows complex gas flows for long times. No artificial viscosities are introduced. No special knowledge of the solution is required in advance and only local information is used.

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