ONO-DIT-BIOT, Jean-Christophe; TREJO, Miguel; LOUKIANTCHEKO, Elsie; LAUCH, Max; RAPHAEL, Elie; DALNOKI-VERESS, Kari; SALEZ, Thomas

doi:10.1103/PhysRevFluids.4.014808

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ONO-DIT-BIOT, Jean-Christophe

TREJO, Miguel

LOUKIANTCHEKO, Elsie

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Physical Review Fluids. 2019-01, vol. 4, n° 1

American Physical Society

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We investigate the hydroelastic waves created by a perturbation moving at constant speed along a thin elastic sheet floating at the surface of deep water. Using a high-resolution cross-correlation imaging technique, we characterize the waves as a function of the perturbation speed, for different sheet thicknesses. The general theoretical expression for the dispersion relation of hydroelastic waves includes three components: gravity, bending and tension. The bending modulus and the tension in the sheet are independently measured. The experiments represent a direct test of the theory where all components, bending, stretching and gravity, cannot be neglected. Excellent agreement is found between the experimental data and the theoretical expression.< Leer menos

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Hydroelastic wake on a thin elastic sheet floating on water

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