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In a vibrating system if the actual damping coefficient is 40...

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In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to

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Correct Answer: Option C
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Srinivas Uggirala
Srinivas Uggirala 5 years ago
Damping ratio=40/420=0.095
Log.decrement=2x3.14x0.95/[squaroot of (1-square of damping ration)]
=0.6
Srinivas Uggirala
Srinivas Uggirala 5 years ago
Damping ratio=40/420=0.095
Log.decrement=2x3.14x0.95/[squaroot of (1-square of damping ration)]
=0.6
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