Effective Parameters of Acoustic Metamaterials
Copyright policy )Effective Parameters of Acoustic Metamaterials
Analytical expressions are presented for the wave number, the characteristic wave impedance, and the refractive index of homogeneous longitudinal plane waves propagating in an acoustic metamaterial with dissipative losses. The metamaterial is characterized by the effective scalar material parameters: the complex density and the compressibility. To distinguish between the forward and backward waves, the wave type identifier is introduced.
- Russian Academy of Sciences Russian Federation
- National Research University of Electronic Technology Russian Federation
- Tomsk State Pedagogical University Russian Federation
- Institute of Physical Materials Science Russian Federation
- National Research Tomsk State University Russian Federation
волновое сопротивление, прямые и обратные плоские волны, показатель преломления, акустические изотропные метаматериалы, эффективная комплексная плотность, эффективная комплексная сжимаемость, волновой вектор
волновое сопротивление, прямые и обратные плоские волны, показатель преломления, акустические изотропные метаматериалы, эффективная комплексная плотность, эффективная комплексная сжимаемость, волновой вектор
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