Dynamic simulation of spur gear with tooth root crack propagating along tooth width and crack depth

By Zaigang Chen, Yimin Shao. 2011

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An improved analytical model for a lubricated roller bearing including a localized defect with different edge shapes (2018, background): “As one of the important components in rotating machinery, roller bearings (RBs) can significantly affect vibration characteristics of the machinery, especially in the presence of localized defects (LODs) (Chen and Shao, 2011, 2013; Liu et al., 2012; El-Thalji and Jantunen, 2015; Chen et al., 2017).”
Time varying mesh stiffness calculation of spur gear pair considering sliding friction and spalling defects (2016, methodology): “[21] is used to calculate TVMS of a spalled gear tooth pair.”
Analytically evaluating the influence of crack on the mesh stiffness of a planetary gear set (2014, background): “Chen and Shao [12] proposed an analytical mesh stiffness model with tooth root crack propagating along both the tooth width and the crack depth.”
Early detection of tooth crack damage in gearbox using empirical wavelet transform combined by Hilbert transform (2017, background): “The study of gear tooth contact, tooth failures (gear pitting, tooth wear and especially tooth crack) have been considered as the most complicated applications (Abouel-Seoud Shawki et al., 2012; Chen and Shao, 2011; Rahmoune and Benazzouz, 2012).”