A numerical investigation of the resonance of gas-filled microbubbles: resonance dependence on acoustic pressure amplitude.


The general Keller-Herring equation for free gas bubbles is augmented by specific terms to describe the elasticity, viscosity and thickness of the encapsulating shell in ultrasound contrast agent microbubbles. A numerical investigation that analyses the acoustic backscatter from bubbles is employed to identify resonance frequencies that can be compared, for… (More)


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