%0 Journal Article %T Improved Mesh Stiffness Method and Vibration Analysis of a Planetary Gear System with a Spatial Tooth Crack %A Yang, Yi %A Hu, Niaoqing %A Cheng, Zhe %A Hu, Jiao %A Zhang, Lun %J Machines %V 10 %N 12 %@ 2075-1702 %D 2022-12-06 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve