Approximate analytical determination of vibrodiagnostic parameters of the presence of a crack in an elastic body under superharmonic resonance

We discuss an approximate analytical method for calculating the main parameter of nonlinearity of vibration of an elastic body with a closing crack, which is simulated by a single-degree-of-freedom system with an asymmetric bilinear characteristic of the restoring force, under a strong 2nd-order sup...

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Veröffentlicht in:	Strength of materials 2010-07, Vol.42 (4), p.363-373
Hauptverfasser:	Matveev, V. V., Boginich, O. E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Asymmetry Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Cracks Elastic bodies Fatigue Fatigue testing machines Materials Materials Science Mathematical analysis Scientific and Technical Section Simulation Solid Mechanics Superharmonics Vibration
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Beschreibung
Zusammenfassung:	We discuss an approximate analytical method for calculating the main parameter of nonlinearity of vibration of an elastic body with a closing crack, which is simulated by a single-degree-of-freedom system with an asymmetric bilinear characteristic of the restoring force, under a strong 2nd-order superharmonic resonance.
ISSN:	0039-2316 1573-9325
DOI:	10.1007/s11223-010-9225-1