Estimate the first three natural frequencies

Reference no: EM131143904

Estimate the first three natural frequencies of a clamped-free bar of length l in torsional vibration by using a lumped-mass model and four elements.

Reference no: EM131143904

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Estimate the first three natural frequencies : Estimate the first three natural frequencies of a clamped-free bar of length l in torsional vibration by using a lumped-mass model and four elements.

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Determine the shearing stress at points a and b : A 750-N.m torque is applied to a hollow shaft having the cross section shown and a uniform 6-mm wall thickness. Neglecting the effect of stress concentrations, determine the shearing stress at points a and b.

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