Titlebook: Elastic Waves and Metamaterials: The Fundamentals; Yoon Young Kim Textbook 2023 The Editor(s) (if applicable) and The Author(s), under exc

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Anpassung, Messung und Erfahrung,As demonstrated by the wave analysis in Chap. 9, perfect transmission between two media with different impedances is not generally possible. Perfect transmission refers to the transmission of a wave with 100% power efficiency from one medium to another.

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Effective Material Property Manipulation in 1D Lattice Systems,The previous chapters investigate wave phenomena in one-dimensional lattice systems. Even at extremely low frequencies, intriguing wave phenomena, such as bandgap formation, can be observed if additional masses and springs are elaborately added to the system. Such phenomena are not typically observed in conventional lattice systems.

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Flexural Waves in a Beam,A beam is a long, slender member with bending as its predominant mode of deformation. Beams and strings both experience transverse displacements, but beams exhibit a structural resistance known as flexural (or bending) rigidity, whereas strings do not.

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Fundamentals of Elastic Waves in 2D Elastic Media,Before discussing extraordinary two-dimensional (2D) wave phenomena using 2D elastic metamaterials in the next chapter (Chap. .), we present the fundamentals of elastic wave phenomena in 2D elastic media, such as dispersion relations.

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