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Article Dans Une Revue Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences Année : 2022

Buckling of lipidic ultrasound contrast agents under quasi-static load

Résumé

Collapse of lipidic ultrasound contrast agents under high-frequency compressive load has been historically interpreted by the vanishing of surface tension. By contrast, buckling of elastic shells is known to occur when costly compressible stress is released through bending. Through quasi-static compression experiments on lipidic shells, we analyze the buckling events in the framework of classical elastic buckling theory and deduce the mechanical characteristics of these shells. They are then compared to that obtained through acoustic characterization.
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Dates et versions

hal-04208210 , version 1 (15-09-2023)

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Paternité

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Georges Chabouh, Benjamin van Elburg, Michel Versluis, Tim Segers, Catherine Quilliet, et al.. Buckling of lipidic ultrasound contrast agents under quasi-static load. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2022, 381 (2244), ⟨10.1098/rsta.2022.0025⟩. ⟨hal-04208210⟩

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