Determination of the Logarithmic Decrement in Mechanical Spectroscopy |
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| Journal | Solid State Phenomena (Volume 115) |
|---|---|
| Volume | Mechanical Spectroscopy III |
| Edited by | B.M. Darinskii and L.B. Magalas |
| Pages | 7-14 |
| DOI | 10.4028/www.scientific.net/SSP.115.7 |
| Citation | Leszek B. Magalas, 2006, Solid State Phenomena, 115, 7 |
| Online since | August, 2006 |
| Authors | Leszek B. Magalas |
| Keywords | Internal Friction, Logarithmic Decrement, Mechanical Spectroscopy |
| Abstract | The comparison between the classical methods and a new algorithm OMI used to compute the logarithmic decrement is reported. The OMI algorithm is tested in the computation of the logarithmic decrement from exponentially damped harmonic oscillations. The OMI algorithm yields high precision in the computation of the logarithmic decrement and the resonant frequency, and the smallest dispersion of experimental points. |
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