Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Kiyotaka Ishikawa"'
1
Akademický článek
Networks in Japanese regional agro-food economies: an empirical exploration of the network linkage model
Autor: Kiyotaka Ishikawa
Publikováno v: Journal of Economic Structures, Vol 12, Iss 1, Pp 1-38 (2023)
Abstract Network linkage is important in evaluating macroeconomic performance since input‒output networks across industries are asymmetric and respond differently to external shocks. While most studies implicitly assume elastic substitution between
Externí odkaz: https://doaj.org/article/39c1a374822f4d8b8e45990db89db7d5
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2
Akademický článek
Formulated alpha finite element method with deviatoric / volumetric split for highly precise deformation calculation by using three dimensional tetrahedral element (In case of infinitesimal isotropic elasticity)
Autor: Masaki FUJIKAWA, Kiyotaka ISHIKAWA, Chobin MAKABE, Masato TANAKA, Takashi SASAGAWA, Ryuji OMOTE
Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 838, Pp 15-00561-15-00561 (2016)
This paper presents a novel Formulated Alpha FEM with deviatoric / volumetric split, which is combination of standard FEM and Node-based Smoothed FEM (NS-FEM), to compute highly accurate deformation in mechanical problems using tetrahedral elements.
Externí odkaz: https://doaj.org/article/285505be0a28487481a28772b76cff5f
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3
Akademický článek
Geometrically nonlinear finite element implementation based on highly accurate 1st and 2nd numerical derivative scheme using hyper-dual numbers
Autor: Masaki FUJIKAWA, Kiyotaka ISHIKAWA, Chobin MAKABE, Masato TANAKA, Takashi SASAGAWA, Ryuji OMOTE
Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 834, Pp 15-00454-15-00454 (2016)
This paper proposes a novel implementation scheme of geometrically nonlinear finite element programs, which automatically compute exact internal force vectors and element stiffness matrices by numerically differentiating a strain energy function at e
Externí odkaz: https://doaj.org/article/922375ccf3e347399ea9aa927bedd672
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5
Networks in Japanese Regional Agro-food Economies: An Empirical Exploration of the Network Linkage Model
Autor: Kiyotaka Ishikawa
Network linkage is important in evaluating macroeconomic performance since input‒output networks across industries are asymmetric and respond differently to external shocks. While most studies implicitly assume elastic substitution between intermed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38fd6d009fdefdf75e6e9157267d8e9e
https://doi.org/10.21203/rs.3.rs-2041137/v1
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8
Preparation of lithium ion conducting solid electrolyte of NASICON-type Li1+xAlxTi2−x(PO4)3 (x = 0.3) obtained by using the mechanochemical method and its application as surface modification materials of LiCoO2 cathode for lithium cell
Autor: Yohei Shindo, Nobukiyo Ito, Hiroyuki Awano, Hideyuki Morimoto, Kiyotaka Ishikawa, Junpei Terashima, Shin-ichi Tobishima, Shinji Nakanishi
Publikováno v: Journal of Power Sources. 240:636-643
Amorphous a-LATP (x = 0.3) fine powder with the composition of Li1+xAlxTi2−x(PO4)3 in Li2O–Al2O3–TiO2–P2O5 system was prepared directly from a mixture of Li2O, γ-Al2O3, TiO2, and P2O5 as starting materials, by using a mechanical milling (MM)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88bad968cc46d39a75cc4a603b8fee3b
https://doi.org/10.1016/j.jpowsour.2013.05.039
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9
Charge–discharge properties of LiCoO2 electrodes modified by olivine-type compounds of LiMgPO4 for lithium secondary batteries
Autor: Hiroyuki Awano, Shin-ichi Tobishima, Kiyotaka Ishikawa, Shinji Nakanishi, Hideyuki Morimoto, Yasunori Hirama, Junpei Terashima
Publikováno v: Journal of Power Sources. 211:66-70
Fine particles of Olivine-type LiMgPO 4 were prepared directly from a mixture of Li 2 O, MgO, and P 2 O 5 as starting materials using a mechanical milling technique at room temperature. LiMgPO 4 fine particles were investigated as surface modificatio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::612cbe2cec66c5caa4b87910973a5e4a
https://doi.org/10.1016/j.jpowsour.2012.03.044
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10
Creep characterization of gels and nonlinear viscoelastic material model
Autor: Masaki Fujikawa, Chobin Makabe, Kou Tanaka, Kiyotaka Ishikawa
Publikováno v: Modern Physics Letters B. 30:1650225
In this paper, we examine gel creep behavior and develop a material model for useful and simple numerical simulation of this behavior. This study has three stages and aims: (1) gel creep behavior is examined; (2) the material model is determined and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dad5483cdf0940cb479dc56713f0a7db
https://doi.org/10.1142/s0217984916502250
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