Abstract:
This manuscript inspects the dynamic characteristics of a standard spur
gear considering the effect of gear root crack and crack at pitch circle. Cracked gear
pair is modeled through extended finite element method with the help of ANSYS
software. This method enables the accurate approximation of solution for problems
involving non-smooth features like crack within elements. Additionally, the effect
of position and length of the crack on the gear structure is observed in terms of the
dynamic characteristics, i.e., natural frequencies and vibration shapes. Due to the
presence of crack, the natural frequency of the gear changes. These results create a
worthy basis for the failure investigation and fault finding of gears.
