Geodesic
Impulse variables, vortex dipoles and applications
Ricardo Cortez1
1 University of California and Lawrence Berkeley Laboratory Berkeley, CA 94720, USA
ESAIM. Proceedings, Tome 1 (1996), pp. 95-107.

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A Lagrangian numerical method based on impulse variables is analyzed. The relation between impulse vectors and vortex dipoles with a prescribed dipole moment is presented and used to adapt the high-accuracy cutoff functions of vortex methods for use in impulse-based methods. The long-time implementation of the impulse method is shown to contain a source of error whose growth in time renders impulse methods impractical for use in interior flows. Applications for which impulse methods are well suited are identified.
DOI : 10.1051/proc:1996007

Ricardo Cortez 1

1 University of California and Lawrence Berkeley Laboratory Berkeley, CA 94720, USA 
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Ricardo Cortez. Impulse variables, vortex dipoles and applications. ESAIM. Proceedings, Tome 1 (1996), pp. 95-107. doi : 10.1051/proc:1996007. http://geodesic.mathdoc.fr/articles/10.1051/proc:1996007/

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