A new topology optimization algorithm for photonic band gap structures

Meng, F, Huang, X and Jia, B 2015, 'A new topology optimization algorithm for photonic band gap structures', in Q. Li, G. P. Steven and Z. Zhang (ed.) Proccedings of the 11th World Congress on Structural and Multidisciplinary Optimization, Sydney, Australia, 7-12 June 2015., pp. 151-156.


Document type: Conference Paper
Collection: Conference Papers

Title A new topology optimization algorithm for photonic band gap structures
Author(s) Meng, F
Huang, X
Jia, B
Year 2015
Conference name The 11th World Congress on Structural and Multidisciplinary Optimisation
Conference location Sydney, Australia
Conference dates 7-12 June 2015.
Proceedings title Proccedings of the 11th World Congress on Structural and Multidisciplinary Optimization
Editor(s) Q. Li, G. P. Steven and Z. Zhang
Publisher University of Sydney
Place of publication Sydney, Australia
Start page 151
End page 156
Total pages 6
Abstract A new topology optimization algorithm is proposed based on bi-directional evolutionary structural optimization (BESO) method in order to design photonic crystals with maximum band gaps. The optimization process starts from a simple unit cell without band gap, and the photonic crystals are assumed to be periodically composed of two materials with different permittivity. Based on finite element analysis, the BESO algorithm gradually re-distributes dielectric materials within the unit cell until the resulting photonic crystals possess a maximal band gap at appointed position in the band diagram. Numerical results are presented to demonstrate the effectiveness of the proposed optimization algorithm.
Subjects Structural Engineering
Keyword(s) Topology optimization
photonic band gap
bi-directional evolutionary structural optimization (BESO).
ISBN 9780646943947
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