Abstract
The vertical granular chain changes the elastic property of the medium due to gravity. Therefore, the solitary propagating mode in the horizontal chain disperses and damps in the vertical chain. We show that there are two different types of propagating modes, i.e., quasi-solitary and oscillatory, depending on the strength of impulse and the dispersion and damping of the signal follow power-laws. The power-law behavior in the linear oscillatory regime is explained analytically. The nonlinear solitary regime in which soliton damps and disperses due to gravity is discussed briefly.
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Hong, J. Signal Propagation in Nonlinear Granular Chain. MRS Online Proceedings Library 627, 32 (2000). https://doi.org/10.1557/PROC-627-BB3.2
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DOI: https://doi.org/10.1557/PROC-627-BB3.2