Transient Topology Optimization of Two-Dimensional Elastic Wave Propagation

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Abstract

A tapering device coupling two monomodal waveguides is designed with the topology optimization method based on transient wave propagation. The gradient-based optimization technique is applied to predict the material distribution in the tapering area such that the squared output displacement (a measure for transmission) in the taper is maximized. High transmission in a large frequency range is gained by use of incident wave packets. To avoid nondiscrete properties in the design domain a density filtering technique is employed.
Original languageEnglish
Title of host publicationProceedings of the 9. International Conference on Computational Structures Technology
EditorsBHV Topping, M Papadrakakis
Place of PublicationStirlingshire, United Kingdom
PublisherCivil-Comp Press
Publication date2008
Pagespaper 75
ISBN (Print)978-1-905088-23-2
Publication statusPublished - 2008
Event9th International Conference on Computational Structures Technology - Athens, Greece
Duration: 2 Sep 20085 Sep 2008
Conference number: 9
http://www.civil-comp.com/conf/cst2008.htm

Conference

Conference9th International Conference on Computational Structures Technology
Number9
CountryGreece
CityAthens
Period02/09/200805/09/2008
Internet address

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