Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.194301
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Funding
- ANR [ANR-06-JCJC-0087]
- Agence Nationale de la Recherche (ANR) [ANR-06-JCJC-0087] Funding Source: Agence Nationale de la Recherche (ANR)
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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.
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