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Communication Dans Un Congrès Année : 2019

Complex Resolvent Band Structure of Phononic Crystals

Résumé

We examine the extension of the definition of the resolvant band structure (RBS) to complex wavenumbers and complex frequencies. The RBS is obtained by applying a stochastic excitation to the unit-cell of a crystal and monitoring the response in dispersion space. It is found that the poles of the RBS appear in complex dispersion space around the complex band structure.
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Dates et versions

hal-02370581 , version 1 (19-11-2019)

Identifiants

  • HAL Id : hal-02370581 , version 1

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Tingting Wang, Yan Wang, Yue Wang, Vincent Laude. Complex Resolvent Band Structure of Phononic Crystals. International Conference on Phononic Crystals/Metamaterials, Phonon Transport/Coupling and Topological Phononics, Jun 2019, Tucson, AZ, France. ⟨hal-02370581⟩
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