Buckling of lipidic ultrasound contrast agents under quasi-static load

Georges Chabouh, Benjamin van Elburg, Michel Versluis, Tim Segers, Catherine Quilliet, Gwennou Coupier*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)
7 Downloads (Pure)

Abstract

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 analyse the buckling events in the framework of classical elastic buckling theory and deduce the mechanical characteristics of these shells. They are then compared with that obtained through acoustic characterization. This article is part of the theme issue 'Probing and dynamics of shock sensitive shells'.

Original languageEnglish
Article number20220025
Number of pages22
JournalPhilosophical Transactions of the Royal Society of London A. Mathematical, Physical and Engineering Sciences
Volume381
Issue number2244
Early online date13 Feb 2023
DOIs
Publication statusPublished - 3 Apr 2023

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