Related Resources: vibration
Massive Spring with Concentrated Mass Load Angular Natural Frequency Equations and Calculator
Machine Design and Engineering
Massive Spring with Concentrated Mass Loads Angular Natural Frequency Equations and Calculator
ωn = [ k / ( m + ms / 3 ) ] (1/2)
Where:
m = Mass of Load ( lb-sec2 / in ),
ms = Mass of Spring ( lb-sec2 / in ),
k = Stiffness of Spring ( lb / in ),
ωn = Angular Natural Frequency ( rad / sec )
Related and Useful Links:
Reference Harris, Shock and Vibration Handbook