BEM-based analysis of elastic banded material by using a contour integral method

The combination of boundary element method (BEM) and a contour integral method is proposed for the first time to determine the band structures for banded elastic materials named as phononic/sonic crystals. Applying the Bloch theorem to a unit cell, the Bloch eigenvalue problem is derived to determin...

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Veröffentlicht in:	Engineering analysis with boundary elements 2015-04, Vol.53, p.56-64
Hauptverfasser:	Gao, Haifeng, Xiang, Jiawei, Zheng, Changjun, Jiang, Yongying, Matsumoto, Toshiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Band structure of solids BEM Boundary element method Contour integral method Crystal structure Eigenvalue problem Eigenvalues Integrals Mathematical analysis Mathematical models Nonlinearity Phononic crystals Shape
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