#6979. On long-wave limiting velocities of guided waves in anisotropic plates

December 2026publication date
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Journal’s subject area:
Mathematics (all);
Mechanical Engineering;
Civil and Structural Engineering;
Mechanics of Materials;
Materials Science (all);
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Abstract:
The constructed closed form solutions for the long-wave limits for guided waves propagating in anisotropic crystals reveal a principal ability for existence of several long-wave limiting velocities exhibiting dependence on the wave normal. Numerical examples for guided waves propagating on the (1,0,0)-plane of several cubic crystals indicate existence of two distinct long-wave limiting velocities for all directions of the wave normal, except a possible discrete number of directions where two long-wave limiting velocities may coincide.
Keywords:
anisotropy; dispersion; Guided wave; Lamb wave; limiting velocity

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