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
ωn = [ kt / I ]1/2
Where:
kt = Torsional Stiffness of Shaft ( lb-in/rad )
I = Rotary Mass Moment of Inertia ( lb-in-sec2 )
ωn = Angular Natural Frequency ( rad/sec )
Reference Harris, Shock and Vibration Handbook