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physics.comp-ph2020★ 26 cited
Spectral extended finite element method for band structure calculations in phononic crystals
Eric B. Chin, Amir Ashkan Mokhtari, Ankit Srivastava +1
In this paper, we compute the band structure of one- and two-dimensional phononic composites using the extended finite element method (X-FEM) on structured higher-order (spectral)…
physics.comp-ph2019★ 28 cited
On the Properties of Phononic Eigenvalue Problems
Amir Ashkan Mokhtari, Yan Lu, Ankit Srivastava
In this paper, we consider the operator properties of various phononic eigenvalue problems. We aim to answer some fundamental questions about the eigenvalues and eigenvectors of ph…