Stability of 2D discrete mass-spring systems with negative stiffness springs

Negative stiffness elements (elements with direction of the force opposite to the direction of the deformation) are unstable as the energy is no longer positive definite. Nevertheless, materials and structures with negative stiffness elements can exist when the element negative energy is compensated...

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Veröffentlicht in:	Physica Status Solidi. B: Basic Solid State Physics 2016-07, Vol.253 (7), p.1395-1409
Hauptverfasser:	Esin, M., Pasternak, E., Dyskin, A. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Boundaries Degrees of freedom Eigenfrequencies mass-spring system Mass-spring systems Mathematical analysis negative stiffness rotational degrees of freedom Springs Stability Stiffness
Online-Zugang:	Volltext
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