Engineering, 14.04.2020 22:02 valenciafaithtorres
Compare your results from (a) with the short period approximation and Phugoid approximation. How big are the errors in percent between the natural frequency and damping ratios calculated using the approximations and those calculated from the full EoM
Answers: 1
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Aloaded platform of total mass 500 kg is supported by a dashpot and by a set of springs of effective stiffness 72 kn/m. it is observed that when the platform is depressed through a distance x = 12.5 cm below its equilibrium position and then released without any initial velocity; it reaches its equilibrium position in the shortest possible time without overshoot. find the position and velocity of the loaded platform 0.10 sec. after its release. if a further load of 400 kg is added to the platform, find, i) the frequency of damped vibrations, and i) the amplitude of vibration after 2 complete oscillations, given that the initial amplitude is 15 cm.
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Compare your results from (a) with the short period approximation and Phugoid approximation. How big...
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