Gearbox is widely used in industrial and military applications. Due to high service load,
harsh operating conditions or inevitable fatigue, faults may develop in gears. If the gear …

Gear transmissions have always been a subject of study for many different reasons which
change due to the constant evolution of technology. Consequently, new topics must be …

Time-varying mesh stiffness is considered the primary excitation in gear vibrations. An
accurate evaluation of mesh stiffness is of great importance when studying gear vibrations …

As a result of gear body flexibility, fillet foundation stiffness is defined as the meshing force
needed for unit gear body-induced tooth deflections. However, it has long been …

For the simulation of the tooth contact of helical gears, a precise determination of the length
of the line of contact is required, which is variable throughout the meshing cycle. This …

Considering the calculation efficiency and accuracy of meshing characteristics of gear pair
with tooth root crack fault, the parametric model of cracked spur gear is established by …

Prognostics and health management has become a significant part of component life-cycle
in modern industries. The prognostics and health management framework is implemented in …

Due to the lack of efficient formulas, fillet foundation stiffness under double tooth
engagement has long been a challenging problem for mesh stiffness calculation of spur …

Gears are one of the most important power transmission elements in every area of the
industry. Because of its importance, the gear design must be carefully performed …

Gear tooth surface fatigue is one of the most common failure modes of gears. Surface fatigue
manifests on two principle phenomena, namely spalling and pitting. Spalls are localized …