Coefficients that represent damping characteristics such as damping vibration and damping materials include damping ratio, logarithmic decrement and Q factor. This article explains the meaning of these coefficients and how to obtain them.
2. Coefficients that represent damping characteristics
2-1 Logarithmic decrement δ
2-2 Calculation of the logarithmic decrement and damping ratio by Hilbert transformation
2-3 Calculation of damping ratio by half band width method
3-1 Damping effect in free vibration
3-2 Damping effect in steady-state vibration
3-3 Damping effect in transient vibration