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Akademický článek
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One-dimensional nonlinear phononic crystals have been assembled from periodic diatomic chains of stainless steel cylinders alternated with Polytetrafluoroethylene (PTFE) spheres. We report the presence of acoustic band gaps in the dispersion relation
Externí odkaz:
http://arxiv.org/abs/0806.4225
Autor:
Herbold, E. B., Nesterenko, V. F., Benson, D. J., Cai, J., Vecchio, K. S., Jiang, F., Addiss, J. W., Walley, S. M., Proud, W. G.
The variation of metallic particle size and sample porosity significantly alters the dynamic mechanical properties of high density granular composites processed using a cold isostatically pressed mixture of polytetrafluoroethylene (PTFE), aluminum (A
Externí odkaz:
http://arxiv.org/abs/0806.1775
Autor:
Cai, J., Nesterenko, V. F., Vecchio, K. S., Herbold, E. B., Benson, D. J., Jiang, F., Addiss, J. W., Walley, S. M., Proud, W. G.
The dynamic mechanical properties of reactive materials (e.g., high density mixtures of polytetraflouroethylene (PTFE), aluminum (Al) and tungsten (W) powders) can be tailored by changing the morphology of the particles and porosity. Cold isostatical
Externí odkaz:
http://arxiv.org/abs/0709.2172
Recent investigations of the dynamic compressive strength of cold isostatically pressed composites of polytetrafluoroethylene (PTFE), tungsten (W) and aluminum (Al) powders show significant differences depending on the size of metallic particles. The
Externí odkaz:
http://arxiv.org/abs/0708.1205
Autor:
Herbold, E. B., Nesterenko, V. F.
A novel strongly nonlinear laminar metamaterial supporting new types of solitary and shock waves with impact energy mitigating capabilities is presented. It consists of steel plates with intermittent polymer toroidal rings acting as strongly nonlinea
Externí odkaz:
http://arxiv.org/abs/0704.3302
Autor:
Herbold, E. B., Nesterenko, V. F.
The shock wave structure in a one-dimensional lattice (e.g. granular chain) with a power law dependence of force on displacement between particles with viscous dissipation is considered and compared to the corresponding long wave approximation. A dis
Externí odkaz:
http://arxiv.org/abs/cond-mat/0607212
Strongly nonlinear phononic crystals were assembled from stainless steel spheres. Single solitary waves and splitting of an initial pulse into a train of solitary waves were investigated in different viscous media using motor oil and non-aqueous glyc
Externí odkaz:
http://arxiv.org/abs/cond-mat/0512367
Granular materials demonstrate a strongly nonlinear behavior influencing the wave propagation in the medium. We report the first experimental observation of impulse energy confinement and the resultant disintegration of shock and solitary waves. The
Externí odkaz:
http://arxiv.org/abs/cond-mat/0509622