Dynamical solitonic wave formation to optical fiber communications with strong nonlinearity and inhomogeneity. [PDF]
Sci RepFaridi WA, Ciurdariu L, Ibrahim AA.
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Impact of Brownian motion on the optical soliton solutions for the three component nonlinear Schrödinger equation. [PDF]
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Ion-acoustic waves dynamics in magnetized cometary plasma: nonlinear periodic and super-periodic waves with ion nonextensivity. [PDF]
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Monitoring the hydration of cement using highly nonlinear solitary waves
NDT and E International, 2012In this paper we present a nondestructive evaluation technique based on the propagation of highly nonlinear solitary waves (HNSWs) to monitor the hydration of cement. HNSWs are mechanical waves that can form and travel in highly nonlinear systems, such as one-dimensional chains of contacting spherical particles (i.e., granular crystals). In the present
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Propagation of highly nonlinear solitary waves in a curved granular chain
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Abstract Over the last decade, a novel nondestructive evaluation (NDE) method based on the application of highly nonlinear solitary waves has emerged. The method is based on the actuation and detection of solitary waves propagating along a medium made of uniform spherical particles, the last of which is in contact with the material to be assessed ...
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Highly nonlinear solitary waves in chains of hollow spherical particles
Granular Matter, 2013We study the dynamic response of one- dimensional granular chains composed of uniform hollow spheres excited by an impulse, and we observe the formation and propagation of highly nonlinear solitary waves. We find that the dynamics of these solitary waves are different from the solitary waves forming in chains composed of uniform solid spheres, because ...
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Laser induced highly nonlinear solitary waves for structural NDE
Proceedings of SPIE, 2010This paper describes the generation and propagation of highly nonlinear solitary waves (HNSWs) in a chain of steel beads excited by means of laser pulses. Ablative generation of mechanical stress was induced on the bead at one end of the chain in order to enhance the amplitude of the stress waves generated. Compared to the use of a mechanical striker,
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Highly nonlinear solitary waves-based sensor for monitoring concrete
Proceedings of SPIE, 2011This paper describes the application of a novel actuator/sensor technology for monitoring concrete at early age. A device is designed to generate and detect highly nonlinear solitary waves (HNSWs) in a chain of steel beads. Two experiments were conducted. In the first experiment, the propagation of the HNSWs in the chain was recorded. In particular,
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