Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Yasuhiro Takei"'
Autor:
Yasuhiro Takei, Yoritaka Iwata
Publikováno v:
Axioms, Vol 11, Iss 1, p 28 (2022)
A numerical scheme for nonlinear hyperbolic evolution equations is made based on the implicit Runge-Kutta method and the Fourier spectral method. The detailed discretization processes are discussed in the case of one-dimensional Klein-Gordon equation
Externí odkaz:
https://doaj.org/article/e47865d8b9cb414087fb5313b9996f0a
Autor:
Yoritaka Iwata, Yasuhiro Takei
Publikováno v:
ICCMS
High-precision numerical scheme for nonlinear hyperbolic evolution equations is proposed based on the spectral method. The detail discretization processes are discussed in case of one-dimensional Klein-Gordon equations. In conclusion, a numerical sch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00035369db1cf6a1ba0da0ee60a4758c
http://arxiv.org/abs/2007.13076
http://arxiv.org/abs/2007.13076
Publikováno v:
IEEE Transactions on Parallel and Distributed Systems. 28:1390-1402
Stencil computation is widely used in scientific computations and many accelerators based on multicore CPUs and GPUs have been proposed. Stencil computation has a small operational intensity so that a large external memory bandwidth is usually requir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32c2c4924f53cacab046e4c8f9a1de11
https://doi.org/10.1109/tpds.2016.2614981
https://doi.org/10.1109/tpds.2016.2614981
Autor:
Yoritaka Iwata, Yasuhiro Takei
Publikováno v:
Journal of Physics: Conference Series. 1730:012058
Klein-Gordon equations describe the dynamics of waves/particles in sub-atomic scales. For nonlinear Klein-Gordon equations, their breather solutions are usually known as time periodic solutions with the vanishing spatial-boundary condition. The exist
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::792499f9361d5763c35389c8376a899d
https://doi.org/10.1088/1742-6596/1730/1/012058
https://doi.org/10.1088/1742-6596/1730/1/012058
Publikováno v:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. :2658-2669
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a4d92b9e925b80ac136937386f4400a
https://doi.org/10.1587/transfun.e98.a.2658
https://doi.org/10.1587/transfun.e98.a.2658
Publikováno v:
Journal of Computational Engineering. 2014:1-8
Acceleration of FDTD (finite-difference time-domain) is very important for the fields such as computational electromagnetic simulation. We consider the FDTD simulation model of cylindrical resonator design that requires double precision floating-poin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c134c91b6245185a5d78d65d97efb8b1
https://doi.org/10.1155/2014/634269
https://doi.org/10.1155/2014/634269
Publikováno v:
Journal of Power Sources. 228:32-38
Influence of mixing carbonate-modified siloxane into 1 M (M: mol L −1 ) LiPF 6 -ethylene carbonate (EC)/ethylmethyl carbonate (EMC) (mixing volume ratio = 3:7) mixed solvent electrolytes on charge–discharge cycling properties of lithium is examin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08257a1899764943acfb15aa0ecfeec1
https://doi.org/10.1016/j.jpowsour.2012.11.096
https://doi.org/10.1016/j.jpowsour.2012.11.096
Publikováno v:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. :2576-2586
SUMMARY Heterogeneous multi-core architectures with CPUs andaccelerators attract many attentions since they can achieve power-efficientcomputing in various areas from low-power embedded processing to high-performance computing. Since the optimal arch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eec975a5a113c7f81142d7f370bfbe49
https://doi.org/10.1587/transfun.e96.a.2576
https://doi.org/10.1587/transfun.e96.a.2576
Publikováno v:
Interdisciplinary Information Sciences. 18:175-184
Heterogeneous multi-core processors are attracted by various type of applications from low-power media applications to high-performance computing due to their capability of drawing strengths of different cores to improve the overall performance. Howe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c37c3c15f922b21991ae44defdabcb5
https://doi.org/10.4036/iis.2012.175
https://doi.org/10.4036/iis.2012.175
Evaluation of DC electric field measurement by the double probe system aboard the Geotail spacecraft
Autor:
Ayako Matsuoka, Toshifumi Mukai, Yasuhiro Takei, Toshimi Okada, Yasumasa Kasaba, Keigo Ishisaka, Hajime Hayakawa
Publikováno v:
宇宙航空研究開発機構特別資料 = JAXA Special Publication: 9th Spacecraft Charging Technology Conference. :222-229
We summarize the characteristics of the DC electric field measurement by the double probe system, EFD-P, aboard Geotail. The accuracy and correction factors for the gain (effective length) and off-set, which depends on ambient plasma conditions, are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::caa79980ce7e512ac9ef7e47db564f57
http://id.nii.ac.jp/1696/00006337/
http://id.nii.ac.jp/1696/00006337/