1/f noise and avalanche scaling in plastic deformation
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Physical Review E, Volume 74, issue 6, pp. 1-5
Abstract
We study the intermittency and noise of dislocation systems undergoing shear deformation. Simulations of a simple two-dimensional discrete dislocation dynamics model indicate that the deformation rate exhibits a power spectrum scaling of the type 1∕fα. The noise exponent is far away from a Lorentzian, with α≈1.5. This result is directly related to the way the durations of avalanches of plastic deformation activity scale with their size.Description
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Laurson, L & Alava, M J 2006, '1/f noise and avalanche scaling in plastic deformation', Physical Review E, vol. 74, no. 6, 066106, pp. 1-5. https://doi.org/10.1103/PhysRevE.74.066106