A vibration test was conducted on the model of a tank. A cable attached to the tank induced a force of 16.4 N vertically and pulls the tank by 2 mm. The cable is then cut at that instant and the resulting free vibration is recorded. At the end of four complete cycles, the time elapsed is 2 seconds and the amplitude is 0.5 mm. Based on the above data, compute the damping ratio, natural period of vibration (undamped), stiffness, weight of the system, damping coefficient and number of cycles required th for the displacement amplitude to decrease to the amplitude after 20 cycles. of the initial amplitude and

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A vibration test was conducted on the model of a tank. A cable attached to the tank
induced a force of 16.4 N vertically and pulls the tank by 2 mm. The cable is then cut
at that instant and the resulting free vibration is recorded. At the end of four complete
cycles, the time elapsed is 2 seconds and the amplitude is 0.5 mm. Based on the
above data, compute the damping ratio, natural period of vibration (undamped),
stiffness, weight of the system, damping coefficient and number of cycles required
th
for the displacement amplitude to decrease to
the amplitude after 20 cycles.
of the initial amplitude and
Transcribed Image Text:A vibration test was conducted on the model of a tank. A cable attached to the tank induced a force of 16.4 N vertically and pulls the tank by 2 mm. The cable is then cut at that instant and the resulting free vibration is recorded. At the end of four complete cycles, the time elapsed is 2 seconds and the amplitude is 0.5 mm. Based on the above data, compute the damping ratio, natural period of vibration (undamped), stiffness, weight of the system, damping coefficient and number of cycles required th for the displacement amplitude to decrease to the amplitude after 20 cycles. of the initial amplitude and
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