Concepedia

Observation of Two-Wave Structure in Strongly Nonlinear Dissipative Granular Chains

Alexandre Rosas, A. Romero, V. F. Nesterenko, Katja Lindenberg

Physical Review Letters · 2007 · 88 citations · 11 references

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Concepts

Abstract

In a strongly nonlinear viscous granular chain impacted by a single grain we observe a wave disturbance that consists of two parts exhibiting two time scales of dissipation. Above a critical viscosity there is no separation of the two pulses, and the dissipation and nonlinearity dominate the shocklike attenuating pulse.

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