A computational model of a planetary gearset is developed to investigate the influence of gear tooth pitting on the dynamic response from transmissions that consist of planetary gearsets. The computational model is capable of simulating the system response due to pitting damage under static, quasi-static, and dynamic conditions. Both off-resonant and resonant dynamic conditions have been exploited to understand the influence of resonant dynamics on the transmission vibroacoustic response. Observations on the likelihood of damage detectability under dynamic conditions have been made.

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