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Bifurcation-enhanced ultrahigh sensitivity of a buckled cantilever [PDF]

open access: bronzeProceedings of the National Academy of Sciences, 2018
Significance This work brings together the fields of nonlinear dynamics and precision measurement, aiming to develop a highly sensitive nonlinear mechanical force sensor. We use dynamic force spectroscopy of the buckled cantilever tip in an ambient condition, which allows sensitive detection of the noise-induced flipping near the bifurcation ...
Sangmin An   +5 more
openaire   +3 more sources

Instability by Extension of an Elastic Nanorod [PDF]

open access: yesNanomaterials
The static stability of an elastic, incompressible nanorod subjected to an extensional force is analyzed. The force is applied to a rigid rod that is welded to the free end of the nanorod.
Armin Berecki   +4 more
doaj   +2 more sources

Bifurcations in the optimal elastic foundation for a buckling column [PDF]

open access: greenPhysics Letters A, 2010
7 pages, 8 figures.
Rayneau-Kirkhope, Daniel J.   +3 more
openaire   +6 more sources

Bifurcation analysis and phase diagram of a spin-string model with buckled states [PDF]

open access: bronze, 2017
We analyze a one-dimensional spin-string model, in which string oscillators are linearly coupled to their two nearest neighbors and to Ising spins representing internal degrees of freedom.
Bonilla, L. L.   +2 more
core   +4 more sources

Buckling of a Nonlinearly Elastic Column: Variational Principles, Bifurcation and Asymptotics [PDF]

open access: bronzeRocky Mountain Journal of Mathematics, 1995
We study the equilibrium states of an elastic column subject to an end thrust. The column is modeled as an inextensible rod with a nonlinear moment-curvature equation. We bring various mathematical theories to bear on this problem; the calculus of variations, bifurcation theory, phase plane analysis, and singular perturbation theory for ordinary ...
Peter Wolfe
openaire   +4 more sources

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