Buckling instability in thin soft elliptical particles | Zendy

N. A. Usov | Zendy; ChingRay Chang | Zendy; ZungHang Wei | Zendy

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Buckling instability in thin soft elliptical particles

Author(s) -

N. A. Usov,

ChingRay Chang,

ZungHang Wei

Publication year - 2002

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.66.184431

Subject(s) - nucleation , instability , bar (unit) , buckling , materials science , particle (ecology) , aspect ratio (aeronautics) , mechanics , field (mathematics) , condensed matter physics , physics , composite material , thermodynamics , mathematics , oceanography , meteorology , pure mathematics , geology

[[abstract]]Buckling instability is proved to be the easiest nucleation mode for an elongated soft elliptical particle with a thickness of the order of the exchange length. The nucleation field saturates as a function of the particle length, and approaches that of a very long bar with a rectangular cross section. The bar nucleation field is estimated theoretically as a function of the bar width, thickness, and material parameters. A step like behavior of nucleation field is revealed by means of a numerical simulation for elliptical particles with a moderate aspect ratio.[[fileno]]2020236010023[[department]]動機

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