Topic
Vibration fatigue
About: Vibration fatigue is a research topic. Over the lifetime, 3460 publications have been published within this topic receiving 46297 citations.
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TL;DR: In this paper, a nonlinear model for fatigue damage accumulation under variable amplitude loading is presented, where the known assumption that the isodamage curves are converging at the knee point of the S-N curve of the material, has been adopted.
74 citations
TL;DR: In this paper, the importance of non-Gaussianity and non-stationarity theoretically, numerically and experimentally was investigated in the case of Y-shaped specimens, where the excitation close to the natural frequency is random and in all the researched cases with the same power spectral density (PSD).
74 citations
TL;DR: In this paper, a theoretical and experimental investigation of quasi-harmonic friction-induced vibration is reported, where the vibration is of near-sinusoidal form and is solely governed by dynamic friction forces.
Abstract: A theoretical and experimental investigation of quasi-harmonic friction-induced vibration is reported. The vibration is of near-sinusoidal form and is solely governed by dynamic friction forces. However, the friction-velocity curve must be of a particular shape for the vibration to occur. The amplitude of the quasi-harmonic vibration is shown to increase with sliding velocity until oscillation ceases at some upper velocity boundary. The introduction of suitable damping will quench the vibration entirely. The vibration can exist at high sliding velocities and as a consequence may influence the operation of automatic transmissions, brakes, and clutches.
73 citations
TL;DR: In this paper, a finite element model for a three-slab track system is established for extracting the principal vibration modes and transient analysis under time-dependent loads, and a novel fatigue criterion which singles out the significance of stress amplitude (proper to concrete-like materials) is implemented to obtain the critical load direction.
73 citations
TL;DR: In this article, the effect of cyclic loading frequency on pseudoelastic behavior and low cycle fatigue of shape memory alloys (SMAs) is investigated, and a new strain energy based fatigue model is proposed, and validated by experiments performed under different load ratios.
73 citations