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Free Vibrations of Anisotropic Nano-Objects with Rounded or Sharp Corners
2021
Nanomaterials
An extension of the Rayleigh–Ritz variational method to objects with superquadric and superellipsoid shapes and cylinders with cross-sections delimited by a superellipse is presented. It enables the quick calculation of the frequencies and displacements for shapes commonly observed in nano-objects. Original smooth shape variations between objects with plane, convex, and concave faces are presented. The validity of frequently used isotropic approximations for experimentally relevant vibrations
doi:10.3390/nano11071838
pmid:34361222
pmcid:PMC8308452
fatcat:2ntfjfo6zzdcdnteud3p5zd5ni