Abstract:This study concerns the ultrasonic wave propagation in fractional dimensional rigid porous media. A Biot equivalent fluid model with a non-integer dimensional space is developed using the Stillinger-Palmer-Staravinou formalism. A generalized lossy wave equation is derived and solved analytically in time domain. The coefficients of the propagation equation are constant and depend only on the fractional dimension and the acoustical parameters of the porous material. As in the integer dimension case, the obtained… Show more
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