Related Resources: vibration

Angular Natural Frequency Shaft Equations and Calculator

Machine Design and Engineering

Angular Natural Frequency of Shaft Equations and Calculator

Mass Spring Systems in Translation Equation and Calculator

ω_n = [ k_t / I ]^1/2

Where:

k_t = Torsional Stiffness of Shaft ( lb-in/rad )
I = Rotary Mass Moment of Inertia ( lb-in-sec² )
ω_n = Angular Natural Frequency ( rad/sec )

Reference Harris, Shock and Vibration Handbook

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