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Photonics Bandgap Computations using Novel Periodic Meshless Methods

机译:使用新型周期无网格方法的光子带隙计算

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摘要

Although many numerical methods have been developed to calculate photonic bandgap structure properties, but always improvement in numerical methods is necessary to have more efficient, accurate and flexible techniques. In the present work, novel periodic meshless shape functions including so-called direct and radial shape functions are presented. The meshless approaches, based on these periodic shape functions as real-space methods, can be used for simulation of periodic structures, like photonics bandgap structures, straightforwardly. The results on band structures derived from the proposed methods are then presented, discussed and compared with those available in the literature, and a very good agreement is seen. It shows that the proposed techniques are very promising to be robust techniques in the simulation of periodic structures such as photonic problems.
机译:尽管已经开发了许多数值方法来计算光子带隙结构的性质,但是总有必要对数值方法进行改进以具有更高效,准确和灵活的技术。在目前的工作中,提出了新颖的周期性无网格形状函数,包括所谓的直接和径向形状函数。基于这些周期性形状函数作为实空间方法的无网格方法可以直接用于模拟周期性结构,例如光子带隙结构。然后,提出,讨论和比较了从所提出的方法获得的能带结构的结果,并与文献中的结果进行了比较,发现了很好的一致性。结果表明,所提出的技术在光周期问题等周期性结构的仿真中有望成为可靠的技术。

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