The Clapping Book:Wind-Driven Oscillations in a Stack of Elastic Sheets
Author(s)
Reis, Pedro Miguel; Buchak, Peter M.; Eloy, C.
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We present a hybrid experimental and theoretical study on the oscillatory behavior exhibited by multiple thin sheets under aerodynamic loading. Our clapping book consists of a stack of paper, clamped at the downstream end and placed in a wind tunnel with steady flow. As pages lift off, they accumulate onto a bent stack held up by the wind. The book collapses shut once the elasticity and weight of the pages overcome the aerodynamic force; this process repeats periodically. We develop a theoretical model that predictively describes this periodic clapping process.
Date issued
2010-11Department
Massachusetts Institute of Technology. Department of Civil and Environmental Engineering; Massachusetts Institute of Technology. Department of Mathematics; Massachusetts Institute of Technology. Department of Mechanical EngineeringJournal
Physical Review Letters
Publisher
American Physical Society
Citation
Buchak, P., C. Eloy, and P. M. Reis. “The Clapping Book: Wind-Driven Oscillations in a Stack of Elastic Sheets.” Physical Review Letters 105.19 (2010): 194301. ©2010 American Physical Society.
Version: Final published version
ISSN
0031-9007