Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Free undamped vibrations
Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Gen…
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Can you help me with the following question ? Please as I have not got the answer belowed !!

A Consider the system shown below, consisting of a spring connected to a clamped-free bar. The bar is made of steel that has length of Im and diameter of 4cm. The stiffness of the spring is 3000N/m. Estimate the first natural frequency using finite element approach. E, p U₂(1) [Ans: 1430.35 Hz] u₁(t) B In the above question, if the bar is hollow with inside and outside diameters of 3cm and 4cm respectively, estimate the first natural frequency. [Ans: 1430Hz]
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Transcribed Image Text:A Consider the system shown below, consisting of a spring connected to a clamped-free bar. The bar is made of steel that has length of Im and diameter of 4cm. The stiffness of the spring is 3000N/m. Estimate the first natural frequency using finite element approach. E, p U₂(1) [Ans: 1430.35 Hz] u₁(t) B In the above question, if the bar is hollow with inside and outside diameters of 3cm and 4cm respectively, estimate the first natural frequency. [Ans: 1430Hz]
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