HW2supp - CE 573 Structural Dynamics HW#2 Supplemental Problems Problem#1 Given A viscously damped structure is set into free vibration with an

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CE 573: Structural Dynamics HW#2 Supplemental Problems Problem #1 Given : A viscously damped structure is set into free vibration with an initial velocity. The resulting damped oscillations are shown above. Required : (a) Determine the logarithmic decrement, the damping factor ξ , and the undamped natural period of vibration for this structure. (b) Suppose that the displacement measurements have an accuracy of in. (You may assume that the time measurements have negligible error.) Determine the range of possible values for the damping factor. Discuss the influence that the measurement errors have on 0.02 ± .
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Problem #2 Given : Bodies immersed in a fluid experience a type of damping referred to as aerodynamic damping, in
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This note was uploaded on 05/09/2008 for the course CE 573 taught by Professor Whalen during the Fall '05 term at Purdue University-West Lafayette.

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HW2supp - CE 573 Structural Dynamics HW#2 Supplemental Problems Problem#1 Given A viscously damped structure is set into free vibration with an

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