Let us consider a thin empty spherical shell submerged in a boundless fluid medium.The plane harmonic pressure wave strikes the shell and is scattered by it.The motion of the shell is described by the equations of linear elasticity theory, and that of the liquid is governed by the Helmholtz equation.It is a two-dimensional steady-state problem.The secondary field of acoustic pressure, which is scattered by the shell, is analyzed.Using the method of separation of variables, one can
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ND VEKSLER (2024) studied this question.
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