用边界元法求解光子晶体光纤应用中的非线性特征值问题

IF 4.2 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Engineering Analysis with Boundary Elements Pub Date : 2024-08-29 DOI:10.1016/j.enganabound.2024.105928

Ronan Perrussel, Jean-René Poirier

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引用次数: 0

摘要

本文评估了解决非线性特征值问题的几种策略。该问题源于光子晶体光纤传播的边界积分方程求解。在考虑如何解决这个特征值问题之前，先回顾一下特征值问题的起源和特殊性。第一个策略是使用穆勒方法求解该问题，这是说明困难的起点。然后，我们将研究基于等值线积分或有理插值的最新技术，这些技术可用于同时计算多个特征模，并大大减少计算量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Solution of a nonlinear eigenvalue problem from photonic crystal fiber applications discretized by a boundary element method

Several strategies for solving a nonlinear eigenvalue problem are evaluated. This problem stems from the boundary integral equation solution of propagation in photonic crystal fibers. The origin and specificities of the eigenvalue problem are recalled before considering the solution of this eigenvalue problem. The first strategy, which is the starting point to illustrate the difficulties, is to solve the problem using Muller’s method. We then look at more recent techniques based on contour integrals or a rational interpolant that can be used to compute several eigenmodes simultaneously and considerably reduce the volume of computations.

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来源期刊

Engineering Analysis with Boundary Elements 工程技术-工程：综合

CiteScore

5.50

自引率

18.20%

发文量

368

审稿时长

56 days

期刊介绍： This journal is specifically dedicated to the dissemination of the latest developments of new engineering analysis techniques using boundary elements and other mesh reduction methods. Boundary element (BEM) and mesh reduction methods (MRM) are very active areas of research with the techniques being applied to solve increasingly complex problems. The journal stresses the importance of these applications as well as their computational aspects, reliability and robustness. The main criteria for publication will be the originality of the work being reported, its potential usefulness and applications of the methods to new fields. In addition to regular issues, the journal publishes a series of special issues dealing with specific areas of current research. The journal has, for many years, provided a channel of communication between academics and industrial researchers working in mesh reduction methods Fields Covered: • Boundary Element Methods (BEM) • Mesh Reduction Methods (MRM) • Meshless Methods • Integral Equations • Applications of BEM/MRM in Engineering • Numerical Methods related to BEM/MRM • Computational Techniques • Combination of Different Methods • Advanced Formulations.