Abstract
A theoretical solution of the acoustic radiation force of an arbitrary beam on spherical particles in a spherical shell structure is presented. Taking the bladder and urinary calculus as the background, the finite element simulation of specific parameters was carried out to verify the accuracy and feasibility of the theoretical solution. The variation law of the acoustic radiation force on the particles with the particle radius, incident wave spectrum, viscosity coefficient of the medium inside the spherical shell structure, and distance from the center of the particle to the center of the spherical shell structure is studied. This scheme provides a design idea and theoretical basis for the non-contact manipulation of particles inside the spherical shell structure, and has a wide range of application scenarios in industrial applications and life sciences.
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