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Your search keyword '"Epstein, Marcelo"' showing total 3 results
Start Over Author "Epstein, Marcelo" Publisher american institute of physics
3 results on '"Epstein, Marcelo"'

1. Functionally Graded Media.

Author

Campos, Cédric M., Epstein, Marcelo, and de León, Manuel

Subjects
*GEOMETRICAL constructions, *GEOMETRY, *GROUPOIDS, *ELASTIC solids, *FRAME bundles, *FLUIDS
Abstract

We introduce the classical concept of uniform material in the context of groupoids and frame bundles. A characterization of the homogeneity of elastic solids and fluids (in particular FGM materials) is obtained. [ABSTRACT FROM AUTHOR]

Published
2008
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3. On the exact amplitude, speed and shape of ion-acoustic waves.

Author

Johnston, Clifton R. and Epstein, Marcelo

Subjects
*ION acoustic waves, *QUANTUM perturbations, *MATHEMATICS
Abstract

Nonlinear ion-acoustic solitary waves in cold collisionless plasma are investigated by a direct analysis of the field equations. The exact amplitude is obtained by simply solving an algebraic equation. The results are compared to those of a third-order perturbation approach and the error associated with using the perturbation technique is determined. © 2000 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Published
2000
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