Journal
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
Volume 29, Issue 26, Pages 4779-4799Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2021.1939204
Keywords
Angular speed; attenuation; frequency; phase speed; thermo-viscoelastic; voids
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The effects of uniform rotation on propagating plane waves in a thermo-viscoelastic material with voids were explored, revealing five distinct modes. In certain directions relative to the axis of rotation, these modes may exhibit pure dilatational or shear wave behavior. Numerical computations and graphical representations of phase speeds and attenuations of pure modes in rotating copper as a thermo-viscoelastic material with voids were conducted, showcasing reductions of known results and pointing out facts about the directions of pure modes.
Effects of uniform rotation on propagating plane waves in a thermo-viscoelastic material with voids are explored. Five distinct modes are found to propagate in the considered rotating medium. Only in some specific directions relative to the axis of rotation, these modes may behave like pure dilatational or pure shear waves. Considering copper as a rotating thermo-viscoelastic material with voids, phase speeds and corresponding attenuations of all the existing pure modes are computed numerically and depicted graphically. Several well-known results are reduced as particular cases from the present formulation. Some facts regarding the directions of the pure modes are pointed out.
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