Abstract
Damping describes processes that lead systems to reach equilibrium during which energy either escapes from the system or is redistributed within it. In both cases, the kinetic energy cascades to shorter spatial and temporal dimensions, eventually reaching a state of thermalization. Radiative damping due to energy escape from a system is generally studied using the system-environment paradigm. This approach also explains how a structural fuzzy that refers to ancillary substructures attached to a primary structure leads to apparent damping. It is known that an infinite number of lossless harmonic oscillators with continuously distributed frequencies yield a perfect loss mechanism, since energy has infinitely many paths to travel within the complex structure. For a more realistic structure with a finite number of oscillators, however, energy may return to the primary, unless its frequencies follow a certain distribution (Carcaterra and Akay, JASA). This presentation will focus on the loss mechanism of a fuzzy structure and compare it with dissipation mechanisms at the molecular level.
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