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On the oblique penetration of elastic waves into a finite number of equally spaced periodic arrays of obstacles



On the oblique penetration of elastic waves into a finite number of equally spaced periodic arrays of obstacles



Wave Motion 45(4): 518-539



In the context of wave propagation through damaged elastic solids, an analytical method is developed to study oblique penetration of both longitudinal and transverse plane waves into a doubly periodic array of slit-type obstacles. Reduced the problem to a system of integral equations and then to an algebraic linear system, suitable assumptions on the physical and geometrical parameters allow analytical solution and thus explicit representations for the (zeroth-order) scattering parameters. Several figures are given to reflect the wave properties of the structure.

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Accession: 023278419

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DOI: 10.1016/j.wavemoti.2007.11.001


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