Fatigue life prediction under wide band random loading

6533b82cfe1ef96bd128ed8a

RESEARCH PRODUCT

Fatigue life prediction under wide band random loading

Bernardo Zuccarello Giovanni Petrucci

subject

Engineering business.industry Mechanical Engineering Gaussian Acoustics Spectral density Stress (mechanics)symbols.namesake photoelasticity automation phase shifting stress separation Mechanics of Materials Frequency domain symbols Forensic engineering General Materials Science Wide band Time domain business Vibration fatigue

description

In this paper, a method for the high-cycle fatigue life prediction of components subjected to gaussian, stationary, wide band random loading is presented. It allows the user to evaluate the fatigue life of components subjected to uniaxial stress states directly from the stress power spectral density (PSD), avoiding onerous simulations in time domain. The proposed method can be applied to random stress processes having PSD of any shape, and the fatigue life predictions obtained are more accurate than that provided by most of the frequency domain techniques proposed in literature.

year	journal	country	edition	language
2004-12-01	Fatigue & Fracture of Engineering Materials & Structures

https://doi.org/10.1111/j.1460-2695.2004.00847.x

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