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Journal of Scientific Computing

Erschienen in:

01.02.2013

Efficient Rearrangement Algorithms for Shape Optimization on Elliptic Eigenvalue Problems

verfasst von: Chiu-Yen Kao, Shu Su

Erschienen in: Journal of Scientific Computing | Ausgabe 2-3/2013

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Abstract

In this paper, several efficient rearrangement algorithms are proposed to find the optimal shape and topology for elliptic eigenvalue problems with inhomogeneous structures. The goal is to solve minimization and maximization of the k-th eigenvalue and maximization of spectrum ratios of the second order elliptic differential operator. Physically, these problems are motivated by the frequency control based on density distribution of vibrating membranes. The methods proposed are based on Rayleigh quotient formulation of eigenvalues and rearrangement algorithms which can handle topology changes automatically. Due to the efficient rearrangement strategy, the new proposed methods are more efficient than classical level set approaches based on shape and/or topological derivatives. Numerous numerical examples are provided to demonstrate the robustness and efficiency of new approach.

Vorheriger Artikel A Coupled Level Set-Moment of Fluid Method for Incompressible Two-Phase Flows

Nächster Artikel Statistical Density Estimation Using Threshold Dynamics for Geometric Motion

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Titel: Efficient Rearrangement Algorithms for Shape Optimization on Elliptic Eigenvalue Problems
verfasst von: Chiu-Yen Kao
Shu Su
Publikationsdatum: 01.02.2013
Verlag: Springer US
Erschienen in: Journal of Scientific Computing / Ausgabe 2-3/2013
Print ISSN: 0885-7474
Elektronische ISSN: 1573-7691
DOI: https://doi.org/10.1007/s10915-012-9629-0

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