Zobrazeno 1 - 10 of 110 pro vyhledávání: '"Kinya OGAWA"'
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Akademický článek
Dynamic simulations of projectile penetration into granular medium
Autor: Kinya OGAWA, Shinnosuke TAKEDA, Hidetoshi KOBAYASHI
Publikováno v: Mechanical Engineering Journal, Vol 2, Iss 1, Pp 14-00427-14-00427 (2014)
Dynamic FEM and DEM simulations are carried out to investigate dynamic penetration of a projectile into a target of granular medium. Spatial distribution and time dependence of ejecta are clarified together with their trajectories in medium. Highly d
Externí odkaz: https://doaj.org/article/bd0ae1b16f2d404eb09ae50eb50248af
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5
DEM/FEM simulation for impact response of binary granular target and projectile
Autor: Hidetoshi Kobayashi, Keitaro Horikawa, Shinnosuke Takeda, Kenichi Tanigaki, Kinya Ogawa
Publikováno v: The European Physical Journal Special Topics. 227:73-83
Three-dimensional dynamic discrete element method (DEM) and finite element method (FEM) simulation using LS-DYNA were, respectively, applied to the randomly distributed binary granular material and to the cylindrical projectiles in order to clarify t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d503332af4a450d1449653da086a7ba
https://doi.org/10.1140/epjst/e2018-00071-3
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6
DEM/FEM Simulations of Dynamic Response of Projectile Penetrating into Granular Medium
Autor: Hidetoshi Kobayashi, Keitaro Horikawa, Shinnosuke Takeda, Kinya Ogawa, Kenichi Tanigaki
Publikováno v: Key Engineering Materials. 715:167-173
Dynamic elastic Finite Element Method (FEM) and Discrete element method (DEM) simulations are carried out to investigate dynamic penetration of a projectile into a target of granular medium. It was found that the highly densified region of granular m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b41f6d386e802670b19100c34dd5b0a
https://doi.org/10.4028/www.scientific.net/kem.715.167
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7
Impact Compressive Fracture of Synthetic Quartz Accompanied by Electromagnetic Phenomenon
Autor: Kinya Ogawa, Kenichi Tanigaki, Keitaro Horikawa, Hidetoshi Kobayashi
Publikováno v: Key Engineering Materials. 715:13-20
In order to clarify the relationship between the mechanical properties of synthetic quartz and the electromagnetic phenomena during its fracture, a series of uniaxial compression tests were carried out at quasi-static and dynamic rates. Not only the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39b69177705fe92c5e2c97c11c5c84b8
https://doi.org/10.4028/www.scientific.net/kem.715.13
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8
Numerical Analysis and Experiment for Stress Wave Propagation in Two Connected Cylindrical Bodies with Different Cross-Sectional Area and Same Mechanical Impedance
Autor: Kenichi Tanigaki, Hidetoshi Kobayashi, Yuya Seo, Keitaro Horikawa, Kinya Ogawa
Publikováno v: EPJ Web of Conferences, Vol 183, p 01033 (2018)
In this study, the behaviour of elastic stress wave propagating two connected cylindrical bodies was examined using dynamic finite element method (FEM). They consist of two bodies with different cross-sectional area, different Young’s modulus and i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aaf203dc74f650ba00624d35b3796808
https://doaj.org/article/787914fc807145be8d298d019b2f8a30
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10
Dynamic and Quasi-Static Compressive Deformation Behaviour of Polyimide Foam at Various Elevated Temperature
Autor: A. Yosimoto, Keiko Watanabe, Keitaro Horikawa, Hidetoshi Kobayashi, Kinya Ogawa
Publikováno v: Applied Mechanics and Materials. 566:158-163
In order to clarify the effect of strain rate and test temperature on the compressive strength and energy absorption of polyimide foam, a series of compression tests for the polyimide foam with two different densities were carried out. By using three
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb0eb277daa5568e5e3565de991eecca
https://doi.org/10.4028/www.scientific.net/amm.566.158
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