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Experimental Impact of a Pendulum With the Sand

[+] Author Affiliations
Seunghun Lee, Dan B. Marghitu

Auburn University, Auburn, AL

Paper No. DETC2009-87845, pp. 799-803; 5 pages
  • ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 1: 22nd Biennial Conference on Mechanical Vibration and Noise, Parts A and B
  • San Diego, California, USA, August 30–September 2, 2009
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4898-2 | eISBN: 978-0-7918-3856-3
  • Copyright © 2009 by ASME


In this paper, a compound pendulum impacting a granular media is studied and the influences of initial impact velocity and impact angle are examined. The resistance forces are studied as the sum of a dynamic frictional force (velocity dependent) and a static resistance force (depth dependent). The penetrating angle is increasing with initial impact velocity as expected. However, the stopping time is decreasing with initial impact velocity for all initial impact angles in our system.

Copyright © 2009 by ASME
Topics: Sands , Pendulums



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