Characterizing Dynamic Transitions Associated With Snap-Through: A Discrete System | Zendy

Richard Wiebe | Zendy; Lawrence N. Virgin | Zendy; Ilinca Stanciulescu | Zendy; S. Michael Spottswood | Zendy; Thomas Eason | Zendy

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Characterizing Dynamic Transitions Associated With Snap-Through: A Discrete System

Author(s) -

Richard Wiebe,

Lawrence N. Virgin,

Ilinca Stanciulescu,

S. Michael Spottswood,

Thomas Eason

Publication year - 2012

Publication title -

journal of computational and nonlinear dynamics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.606

H-Index - 48

eISSN - 1555-1423

pISSN - 1555-1415

DOI - 10.1115/1.4006201

Subject(s) - buckling , context (archaeology) , instability , nonlinear system , excitation , hypersonic speed , structural engineering , mechanics , simple (philosophy) , computer science , physics , engineering , geology , paleontology , quantum mechanics , philosophy , epistemology

Geometrically nonlinear structures often possess multiple equilibrium configurations. Under extreme conditions of excitation, it is possible for these structures to exhibit oscillations about and between these co-existing configurations. This behavior may have serious implications for fatigue in the context of aircraft surface panels. Snap-through is a name often given to sudden changes in dynamic behavior associated with mechanical instability (buckling). This is an often encountered problem in hypersonic vehicles in which severe thermal loading and acoustic excitation conspire to create an especially hostile environment for structural elements. In this paper, a simple link model is used, experimentally and numerically, to investigate the mechanisms of snap-through buckling from a phenomenological standpoint

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