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Buckling of Viscous Filaments of a Fluid under Compression Stresses

Abstract : We study the compression of viscous filaments at constant velocity. If slender enough, the filament bends, a viscous analogue of Euler elastic buckling. We measure the characteristic time of this viscous buckling and discuss the link with the elastic critical compression. We show that the analogy only holds in the limit of large capillary numbers. Otherwise capillarity has a stabilizing effect, which suppresses buckling.
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Submitted on : Thursday, June 5, 2014 - 2:18:04 PM
Last modification on : Friday, August 5, 2022 - 11:54:11 AM
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Marie Le Merrer, David Quéré, Christophe Clanet. Buckling of Viscous Filaments of a Fluid under Compression Stresses. Physical Review Letters, 2012, 109 (6), pp.064502. ⟨10.1103/physrevlett.109.064502⟩. ⟨hal-00996501⟩



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