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Long-range coupling of waveguides

机译:波导的远程耦合

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摘要

Recently the authors proposed a model and related analysis on waves in long-range metamaterials. Nonlocal elasticity can be produced by several interacting forces acting between particles at long distance, as Coulomb or magnetic-static forces. The chance of introducing this long-distance forces has a disruptive effect in the elastic dynamics. In fact, classical elasticity is based only upon closest particles interaction in which short range-elastic forces act. A particular characteristic of these forces is that they can couple distant structures, as for example two elastic beams or rods, each made of an elastic support with embedded magnets. The interaction produces intra-forces and inter-forces that change the dynamics of the coupled structure. This paper investigates new phenomena that can be observed in such unusual systems, providing a theoretical framework, as well as numerical simulations.
机译:最近,作者提出了一种在远程超材料中的波浪中的模型及相关分析。非局部弹性可以通过几个在长距离的颗粒之间作用的相互作用力来产生,作为库仑或磁静力。引入这种长距离力的机会在弹性动力学中具有破坏性效果。实际上,古典弹性仅基于最近的颗粒相互作用,其中短距离弹性力作用。这些力的特定特征是它们可以将远处的结构耦合,例如两个弹性梁或杆,每个弹性梁或杆各自由具有嵌入式磁体的弹性支撑件制成。相互作用产生了改变耦合结构的动态的帧内力和间歇性。本文调查了在这种不寻常的系统中可以观察到的新现象,提供理论框架,以及数值模拟。

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