Multiscale topology optimization of electromagnetic metamaterials using a high-contrast homogenization method
Multiscale topology optimization of electromagnetic metamaterials using a high-contrast homogenization method
复制标题
使用高对比度均质化方法对电磁超材料进行多尺度拓扑优化
DOI:
10.1016/j.cma.2022.115728
复制
发表时间:
2023
影响因子:
7.2
通讯作者:
Yamada Takayuki
中科院分区:
文献类型:
--
作者:
Murai Naoki;Noguchi Yuki;Matsushima Kei;Yamada Takayuki
This study proposes a multiscale topology optimization method for electromagnetic metamaterials using a level set-based topology optimization method that incorporates a high-contrast homogenization method. The high-contrast homogenization method can express wave propagation behavior in metamaterials for various frequencies. It can also capture unusual properties caused by local resonances, which cannot be estimated by conventional homogenization approaches. We formulated multiscale topology optimization problems where objective functions are defined by the macroscopic wave propagation behavior, and microstructures forming a metamaterial are set as design variables. Sensitivity analysis was conducted based on the concepts of shape and topological derivatives. As numerical examples, we offer optimized designs of metamaterials composed of multiple unit cell structures working as a demultiplexer based on negative permeability. The mechanism of the obtained metamaterials is discussed based on homogenized coefficients.
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DOI:
10.1364/josab.406048
发表时间:
2021-02-01
影响因子:
1.9
作者:
Christiansen, Rasmus E.;Sigmund, Ole
通讯作者:
Sigmund, Ole
影响因子:
4
作者:
Fujii, Garuda;Watanabe, Hayato;Mizuno, Mamoru
通讯作者:
Mizuno, Mamoru
DOI:
10.1016/j.cma.2010.05.013
发表时间:
2010-01-01
影响因子:
7.2
作者:
Yamada, Takayuki;Izui, Kazuhiro;Takezawa, Akihiro
通讯作者:
Takezawa, Akihiro
DOI:
10.1070/pu1968v010n04abeh003699
发表时间:
1968-01-01
期刊:
SOVIET PHYSICS USPEKHI-USSR
影响因子:
--
作者:
VESELAGO, VG
通讯作者:
VESELAGO, VG
DOI:
--
发表时间:
2021
期刊:
影响因子:
--
作者:
Yuki Noguchi;Takayuki Yamada
通讯作者:
Takayuki Yamada