Pareto optimal design of layered bandgap materials with multiphase microstructures using evolutionary algorithms

Autor: Wei-Kai Xu, Wei Wang
Rok vydání: 2016
Předmět:
Zdroj: Applied Acoustics. 102:133-136
ISSN: 0003-682X
DOI: 10.1016/j.apacoust.2015.09.020
Popis: An important characteristic of the periodic materials or structures is the existence of bandgap. This bandgap, which is dispersion-related, can be designed by controlling the materials layout within the periodic microstructures. In this paper, the topologies of periodic multiphase microstructures are optimized using a multiobjective genetic algorithm and two cases of studies are presented. The results show that 3-phase material can obtain quite better designs on the basis of fewer layers. This will be a reference for the design of phononic bandgap materials.
Databáze: OpenAIRE