Abstract
Abstract
Highlights
IntroductionDriven bubbles play an important role in therapeutic ultrasound applications such as histotripsy (Coussios & Roy 2008; Brennen 2015; Bader, Vlaisavljevich & Maxwell 2019)
We experimentally study the nonlinear oscillations of a bubble in a gelatin gel under ultrasound irradiation and examine the role of viscoelasticity
Ultrasound intensity and the bubble radius at mechanical equilibrium were treated as parameters in our experiments
Summary
Driven bubbles play an important role in therapeutic ultrasound applications such as histotripsy (Coussios & Roy 2008; Brennen 2015; Bader, Vlaisavljevich & Maxwell 2019). Since human tissues are viscoelastic, a better understanding of the role of viscoelasticity in acoustic bubble dynamics is desirable. Acoustically induced nonlinear oscillations of a bubble in soft matter have not been systematically observed, and the corresponding nonlinear bubble dynamics remain elusive. For this reason, we experimentally study the nonlinear oscillations of a bubble in a gelatin gel under ultrasound irradiation and examine the role of viscoelasticity
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