Describe the procedure to determine the first modal damping. Outline the key steps and sketch the...

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Mechanical Engineering

Describe the procedure to determine the first modal damping.Outline the key steps and sketch the collected accelerationdata.

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Damping properties are of significant importance in determiningthe dynamic response of structures and accurate prediction of themat the design stage especially in the case of lightweightwindsensitive buildings is very desirable Unfortunately dampingparameters can not be deduced deterministically from otherstructural properties and recourse is generally made to data fromexperiments conducted on completed structures of similarcharacteristics Such data is scarce but valuable both for directuse in design and for furthering research into the phenomenon andmodelling    See Answer
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