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On the Performances of High-Order Absorbing Boundary Conditions for Progressive and Standing Waves

[+] Author Affiliations
G. Lancioni, S. Lenci

Polytechnic University of Marche, Ancona, Italy

Paper No. IMECE2010-38132, pp. 971-980; 10 pages
doi:10.1115/IMECE2010-38132
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 8: Dynamic Systems and Control, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4445-8
  • Copyright © 2010 by ASME

abstract

The performances of three different high order absorbing boundary conditions (ABCs) are investigated in the case of progressive and standing waves in a dispersive one-dimensional medium. Their accuracy is first analyzed with respect to the frequency of a single incident wave. Then they are submitted to a wave train characterized by a wide frequency spectrum, resulting from an impulsive force. The influence of both the order and the parameters of the ABCs on the accuracy is analyzed in detail.

Copyright © 2010 by ASME

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