Search Results 1-20 of 139

  • Properties of Coordination in Japanese Sign Language:Two Types of List Buoys  [in Japanese]

    ASADA Yuko

    手話言語では、複数の要素を列挙する場合、非利き手の指を一本ずつ横に伸ばし、数のサインを保持することで、利き手の列挙操作における補助的機能を果たす場合がある。従来研究でよく知られているのは、非利き手の指を一本ずつ横に伸ばしていくタイプ(標準型)の列挙浮標であるが、日本手話においては、非利き手の指を内側に折りこんでいくタイプ(内向き型)も存在する。興味深いことに、この内向き型列挙浮標は、日本手話話者や …

    Japanese Journal of Sign Language Studies 28(1), 31-39, 2019

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  • Modeling and numerical analysis of stress fields around a disclination on the basis of differential geometry  [in Japanese]

    TAKAHASHI Keita , KOBAYASHI Shunsuke , TARUMI Ryuichi

    … Our formulation is based on the continuous theory of disclinations developed by Yavari and Goriely. … Elastic deformation is obtained so as to minimize the strain energy functional by numerically solving weak form of nonlinear stress equilibrium equation. …

    The Proceedings of the Materials and Mechanics Conference 2019(0), PS24, 2019

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  • Modeling and numerical analysis of stress fields around a dislocation on the basis of differential geometry  [in Japanese]

    KOBAYASHI Shunsuke , TARUMI Ryuichi , Suzuki Atsushi , OGINO Masao

    … Our formulation is based on the continuous theory of dislocations developed by Kondo. … The elastic deformation is determined by numerically solving weak form stress equilibrium equation. …

    The Proceedings of The Computational Mechanics Conference 2019.32(0), 139, 2019

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  • Modeling and numerical analysis of dislocation loop by extended IGA  [in Japanese]

    YAMADA Sho , KOBAYASHI Shunsuke , TARUMI Ryuichi , SUZUKI Atsushi , OGINO Masao

    … <p>This study investigates stress field around a dislocation loop on the basis of linear theory of elasto-plasticity. … The shape of dislocation loop is expressed by non-uniform rational B-spline (NURBS) and stress field is determined by numerically solving weak form stress equilibrium equation by XIGA.</p> …

    The Proceedings of The Computational Mechanics Conference 2019.32(0), 105, 2019

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  • Theory of Elasticity on Riemannian Manifolds and Its Application to Inhomogeneous Deformation  [in Japanese]

    TANJI Daiki , TARUMI Ryuichi , KOBAYASHI Shunsuke , HORIKAWA Yuto

    … Namely, we solved the weak-form equilibrium equation by Galerkin method with NURBS basis functions. …

    The Proceedings of The Computational Mechanics Conference 2019.32(0), 125, 2019

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  • ELASTIC STABILITY OF THE SHELL CUT OUT FROM A CIRCULAR CYLINDER UNDER CANTILEVER-SUPPORTED CONDITION  [in Japanese]

    TAKAGAKI Toshio

    … These are made discrete through FEM formulation in Galerkin type weak form, being led to a system of equations in conformity with a linear eigenvalue problem. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (751), 1251-1261, 2018-09

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  • Factors Affecting and Processes Related to Adsorption of CO, COH and HCO on CuPd surfaces: A Density Functional Theory Investigation  [in Japanese]

    Padama Allan Abraham , Cristobal Anna Patricia , Ocon Joey , Diño Wilson Agerico , Nakanishi Hiroshi , Kasai Hideaki

    … It is interesting to note that small amount of Pd in CuPd surfaces may form different Pd concentrations in the surface and the subsurface layers depending on temperature In this work, we performed density functional theory based calculations to determine the adsorption of CO, COH, and HCO on different CuPd(111) surfaces. … whereas, weak adsorption energies occur in pure Cu. …

    Meeting Abstracts of the Physical Society of Japan 72.1(0), 2616-2616, 2017

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  • Models of the Weak König Lemma

    WONG Tin Lok

    … This paper surveys the model-theoretic aspects of two topics initiated by Kazuyuki Tanaka related to the Weak König Lemma: self-embedding, and conservativity for sentences of the form ∀<i>X</i> …

    Annals of the Japan Association for Philosophy of Science 25(0), 25-34, 2017

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  • Nonlinear dynamics of a model of acoustic metamaterials with local resonators

    Higashiyama Naoki , Doi Yusuke , Nakatani Akihiro

    … It is found that, in a region of weak anharmonicity, higher harmonics of a fundamental mode and static displacement are excited in both BEM and ZBM if the geometrical relation between the main lattice and the local resonators has even-order nonlinearity. … Numerical solutions of nonlinear periodic orbits which are continued from vibrations in the small amplitude limit by the shooting method indicate that structure of the periodic orbits of the local resonators depends on the form of nonlinear terms of the geometrical relation. …

    Nonlinear Theory and Its Applications, IEICE 8(2), 129-145, 2017

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  • STRUCTURAL CHARACTERISTICS OF THE PARTIAL CIRCULAR CYLINDER PARTITIONED INTO THICK AND THIN SHELLS BY A PAIR OF CONCAVE CURVES  [in Japanese]

    TAKAGAKI Toshio

    … the outer thin shell zones by a membrane theory presented in the previous paper, and after introducing pertinent parameters to describe the adequate shell-thicknesses with related shell shape, the thick shell zone is analyzed by solving a set of differential equations on the basis of the arch theory led by eliminating the longitudinal distribution in the general shell theory on a circular cylinder (the Flügge's Theory), including these parameters.<br><br> …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 81(723), 871-881, 2016

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  • Controlling single-molecule junction conductance by molecular interactions.

    Kitaguchi Y , Habuka S , Okuyama H , Hatta S , Aruga T , Frederiksen T , Paulsson M , Ueba H

    … To achieve reproducible and precise conductivity measurements, we utilize relatively weak π-bonding between a phenoxy molecule and a STM-tip to form and cleave one contact to the molecule. … Combined with density functional theory calculations, we clarify the role of the electrostatic field in the environmental effect that influences the molecular level alignment. …

    Scientific reports (5), 2015-07-02

    IR 

  • A Triggering Mechanism for Rapid Intensification of Tropical Cyclones

    Miyamoto Yoshiaki , Takemi Tetsuya

    … The radius of maximum convergence (RMC) was small relative to the RMW when the TC vortex was weak, which is consistent with the boundary layer theory for a rotating fluid system on a frictional surface. … An eyewall was very likely to form in the simulated TC when the RMC approached the RMW. …

    Journal of the Atmospheric Sciences (72), 2666-2681, 2015-07

    IR 

  • Optimal Design for Associative Memory: Hippocampal Spike-Timing-Dependent Plasticity and Phase Response Curve  [in Japanese]

    宮田 龍太 , Miyata Ryouta

    近年、記憶を記銘するためのシナプス可塑性則と想起のための神経相互作用則の最適な組合せを探索する試みがある。Lengyelら(2005)は、スパイクタイミング依存可塑性(spike-timing-dependent plasticity, STDP) に着目した場合、その記憶想起には位相応答曲線(phase response curve, PRC)で記述された神経相互作用を用いることが適切であると仮 …

    2014-03

    IR 

  • Different interpretations of higher-order strain gradient plasticity theory and their computational treatments  [in Japanese]

    Kuroda Mitsutoshi

    Aifantis(1984)によって創始されたひずみ勾配塑性論に対する様々な異なった理論的解釈について論ずる.オリジナルのAifantisの降伏条件式は相当塑性ひずみの2次勾配を含む.この関数を単なる構成式と見るか,ある種の平衡の式と解釈するか,あるいはその折衷と見るかについては,見解が複数ありうる.これらの見解それぞれが,同理論の異なる物理的あるいは数学的解釈に結びつくことを示す.理論考察のみな …

    NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan 63(0), 139, 2014

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  • Application of the Recursive Transfer Method to Flexural Waves I: Novel Discretization Scheme Using Weak Form Theory Framework and Waveguide Modes on Inhomogeneous Elastic Plates

    KATO Hatsuhiro , KATO Hatsuyoshi

    … In this paper, we proposed two novel ideas: (1) use of the tensor bases to describe flexural waves on inhomogeneous elastic plates, (2) weak form discretization to derive the second-order difference equation from the fourth-order differential equation. … More importantly, the proposed discretization method can be applied to any system which can be formulated by the weak form theory. …

    IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E97.A(5), 1075-1085, 2014

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  • MEMBRANE CHARACTERISTICS OF THE SHELL CUT OUT FROM A CIRCULAR CYLINDER UNDER CANTILEVER-SUPPORTED CONDITION  [in Japanese]

    TAKAGAKI Toshio

    … In order to confirm the results, typical examples are solved numerically using FEM based on Galerkin type weak form. … Then, the effect of the plate bending neglected by membrane theory is investigated. … Furthermore, it is verified that the influence caused by difference between the idealized boundary condition of the membrane theory and the exact fixed boundary condition of FEM is very small. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 79(706), 1857-1867, 2014

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  • Theory for Finite Temperature Effects on Magnetosonic Waves in a Two-Ion-Species Plasma

    AOTA Yukio , TOIDA Mieko

    … The theory of magnetosonic waves perpendicular to a magnetic field in a two-ion-species plasma is extended to include finite temperature effects based on the three-fluid model with finite ion and electron pressures. … First, the condition for the dispersion relation of the low-frequency mode, the lower branch of magnetosonic waves, to be approximated as a form of weak dispersion is presented. …

    Plasma and Fusion Research 8(0), 2401018-2401018, 2013

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  • New Formulation for the Recursive Transfer Method Using the Weak Form Theory Framework and Its Application to Microwave Scattering

    KATO Hatsuhiro , KATO Hatsuyoshi

    … In this paper, we provide a new discretization scheme to extend RTM formulation using the weak form theory framework. …

    IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E96.A(12), 2698-2708, 2013

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  • Insights from Molecular Simulation of Local Structure of Acid Site on Heterogeneous Catalyst

    Atoguchi Takashi

    分子シミュレーション手法(密度汎関数法-DFTおよびハイブリッド大規模計算手法ONIOM)を用いた不均一固体酸触媒上に存在する酸点の挙動に関する検討を行った。硫酸処理したZrO<sub>2</sub>において発現する強い酸性質は,表面に共吸着したSO<sub>3</sub>とH<sub>2</sub>Oからなる局所構造に起因す …

    Journal of the Japan Petroleum Institute 56(6), 366-370, 2013

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  • A Novel Formulation of Flexural Waves on Inhomogeneous Elastic Plates Using Tensor Basis(Theory)  [in Japanese]

    Kato Hatsuhiro , Kato Hatsuyoshi

    非等質な弾性平板における屈曲波を,共変性,即ち,座標の回転に対する表現の不変性に注目して定式化した.テンソル基底を用いることで,共変性を明示的に表現することができ,弱形式理論に従った定式化,境界条件の一般的な表現の導出,エネルギー流束の定義を行うことができた.得られた理論は,平板の非等質性と角運動量を考慮して,Kirchhoff-Rayleigh理論を拡張したものである.

    Transactions of the Japan Society for Industrial and Applied Mathematics 22(4), 253-267, 2012

    J-STAGE  References (21)

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