| Paper Abstract and Keywords |
| Presentation |
2024-10-29 14:35
[Poster Presentation]
A study on multi-material topology optimization to design high performance metasurface
-- Automatic mesh generation for finite element analysis with function expansion method --
Mio Taniguchi, Akito Iguchi, Yasuhide Tsuji (Muroran IT) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Metasurfaces can achieve functions that are difficult to be achieved with ordinary materials by arranging various
components smaller than the wavelength. In this study, in order to design high performance metasurfaces, we are developing
a topology optimization method that can automatically create optimum structures by just specifying the desired properties.
In our approach, the structure is represented by a multi-materials function expansion method, and the covariance matrix
adaptation evolution strategy (CMA-ES) is used to optimize structures. A full-vector three-dimensional finite element method
is used for numerical analysis, and automatic element discretization scheme suitable for the function expansion method is
also developed for accurate modeling of the given structure. To show the usefulness of our approach, a design example of
polarization-independent magneto-optic metasurface isolator is shown. The relationship between the degree of freedom of the
function expansion method and the obtained device performance is also investigated in detail. In the future, we are planning to
study a versatile optimal design method of metasurfaces with higher performance using various optical effects. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
metasurface / magnetic material / isolator / optimal design / THz band / / / |
| Reference Info. |
IEICE Tech. Rep. |
| Paper # |
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| Date of Issue |
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| Download PDF |
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| Conference Information |
| Committee |
MIKA |
| Conference Date |
2024-10-28 - 2024-10-30 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Okayama Convention Center |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
MIKA |
| Conference Code |
2024-10-MIKA |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A study on multi-material topology optimization to design high performance metasurface |
| Sub Title (in English) |
Automatic mesh generation for finite element analysis with function expansion method |
| Keyword(1) |
metasurface |
| Keyword(2) |
magnetic material |
| Keyword(3) |
isolator |
| Keyword(4) |
optimal design |
| Keyword(5) |
THz band |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Mio Taniguchi |
| 1st Author's Affiliation |
Muroran Institute of Technology (Muroran IT) |
| 2nd Author's Name |
Akito Iguchi |
| 2nd Author's Affiliation |
Muroran Institute of Technology (Muroran IT) |
| 3rd Author's Name |
Yasuhide Tsuji |
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Muroran Institute of Technology (Muroran IT) |
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| Speaker |
Author-1 |
| Date Time |
2024-10-29 14:35:00 |
| Presentation Time |
90 minutes |
| Registration for |
MIKA |
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| Volume (vol) |
vol. |
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