Zobrazeno 1 - 10
of 488
pro vyhledávání: '"adjoint variable method"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 936, Pp 24-00079-24-00079 (2024)
In this paper, we present a void topology identification analysis in structures based on the level-set-based topology optimization using a weighted sensitivity method. The void topologies are identified by using the observed hammering response data a
Externí odkaz:
https://doaj.org/article/ac6514caf8aa471ea6a748540260741c
Publikováno v:
地球与行星物理论评, Vol 55, Iss 2, Pp 257-266 (2024)
Applications of neural network algorithms in rock physics have developed rapidly developed, mainly due to the neural network's powerful abilities in data modeling, signal processing, and image recognition. However, mathematical and physical explanati
Externí odkaz:
https://doaj.org/article/6ed4afb6f46540b4a86f5fe5aa6b5e3e
Publikováno v:
Materials & Design, Vol 239, Iss , Pp 112737- (2024)
Innovative machine learning techniques have facilitated the inverse design of photonic structures for numerous practical applications. Nevertheless, the quantity of data and the initial data distribution are paramount for the discovery of highly effi
Externí odkaz:
https://doaj.org/article/951869d8deff420dbba89cfe8abe781b
Autor:
Masaya KOBAYASHI, Takahiko KURAHASHI
Publikováno v:
Journal of Fluid Science and Technology, Vol 19, Iss 1, Pp JFST0001-JFST0001 (2024)
In this study, the effect of the proposed binarization method on the topology optimization analysis of two-fluid flows with free surfaces was investigated. The oscillation of the liquid content of a vessel, referred to as sloshing, was numerically an
Externí odkaz:
https://doaj.org/article/0ab2539291d944f9816b290199a09412
Publikováno v:
Mechanical Engineering Journal, Vol 10, Iss 3, Pp 23-00090-23-00090 (2023)
This paper describes the visualization of defect regions in a structure via hammering test that employs the level set type topology optimization based on the concept of the phase-field method. In this study, the residual between the calculated displa
Externí odkaz:
https://doaj.org/article/7b3671a6616b4040b9c9b9be52463b3b
Publikováno v:
Nanophotonics, Vol 11, Iss 10, Pp 2381-2387 (2022)
We introduce subwavelength color routers with perfect optical efficiency in a red-green-green-blue (RGGB) Bayer layout for solid state image sensors. This is the first demonstration of a subwavelength device concept that shows the full potential of c
Externí odkaz:
https://doaj.org/article/90d137fd687d4e36a8058b553fa993aa
Publikováno v:
IEEE Journal of Microwaves, Vol 2, Iss 3, Pp 401-418 (2022)
A general technique for synthesizing both planar and conformal beamforming metasurfaces is presented that utilizes full-wave modeling techniques and rapid optimization methods. The synthesized metasurfaces consist of a patterned metallic cladding sup
Externí odkaz:
https://doaj.org/article/7fef64f16de0425085277d14d3f99ce7
Akademický článek
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Publikováno v:
Advanced Photonics Research, Vol 3, Iss 12, Pp n/a-n/a (2022)
Waveguide‐type near‐eye displays (NED) have attracted increasing attention in the market of augmented reality (AR) and virtual reality (VR) devices, thanks to their outstanding performance within ultra‐compact size. The performance of waveguide
Externí odkaz:
https://doaj.org/article/d4328e81a9cc488f962098d981d3ca8b
Publikováno v:
Journal of Fluid Science and Technology, Vol 17, Iss 4, Pp JFST0011-JFST0011 (2022)
This paper proposes a new acceleration gradient method by addition of the Taylor expansion and conjugate direction to Nesterov’s acceleration gradient method. It was validated by updating the oil film thickness to minimize the friction coefficient
Externí odkaz:
https://doaj.org/article/726cd5e2f35d499389ce0af27443f357