Výsledky vyhledávání - "Ryuichi TARUMI"

Akademický článek

Numerical analysis on the formation of Cottrell atmosphere using Fokker–Planck equation

Autor: Maki TANIYAMA, Shunsuke KOBAYASHI, Ryuichi TARUMI

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 910, Pp 22-00077-22-00077 (2022)

In this study, we develop a new theoretical model for the quantitative prediction of atomic diffusion in a crystalline material. Concentration of the solute atom is expressed by a probability density function whose time evolution is governed by the F

Externí odkaz: https://doaj.org/article/83e1271462f542baa639c06bfe8ef530

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Akademický článek

Geometrical modeling and numerical analysis of edge dislocation

Autor: Shunsuke KOBAYASHI, Ryuichi TARUMI

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 896, Pp 21-00031-21-00031 (2021)

In this study, we conduct modeling and numerical analysis of a straight edge dislocation in a three-dimensional geometrically nonlinear elastic medium. Based on the fundamental framework of geometrical elasto-plasticity, kinematics of the continuum i

Externí odkaz: https://doaj.org/article/7f57b0d8856546ee9f951a3c5f6d68c6

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Akademický článek

Geometrical modeling and numerical analysis of screw dislocation

Autor: Shunsuke KOBAYASHI, Ryuichi TARUMI

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 894, Pp 20-00409-20-00409 (2021)

This study conducts the modeling and numerical analysis of a screw dislocation in a three-dimensional continuous medium. Our modeling is based on the differential geometry of Weitzenböck manifold, i.e., a Riemann-Cartan manifold which equips itself

Externí odkaz: https://doaj.org/article/8f62c191bf7f481c8d738110ea707f5f

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Akademický článek

Theoretical Analysis on the Nonlinear Free Vibration of a Tri-Cross String

Autor: Bo Pan, Jingda Tang, Ryuichi Tarumi, Fulin Shang, Yanbo Wang, Weijun Zhang, Xueyan Zhang

Publikováno v: Shock and Vibration, Vol 2017 (2017)

Here we present a theoretical analysis on the nonlinear free vibration of a tri-cross string system, which is an element of space net-antennas. We derived the governing equations from Hamilton’s principle and obtained a linearized solution by the s

Externí odkaz: https://doaj.org/article/eafa742a27744e9294a94421ec29b322

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