Question: Define logarithmic decrement. What is its significance?

Define logarithmic decrement. What is its significance?

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Logarithmic decrement is a parameter used to quantify the rate at which the amplitude of oscillations in a system or structure decreases over successive cycles It is defined as the natural logarithm of the ratio of any two successive maxima or minima of a damped oscillatory system Mathematically the logarithmic decrement is given by the formula lnAn An1 Where An is the amplitude of the nth oscillation ... View full answer

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