Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Kuniharu Ushijima"'
Autor:
Keiichiro YOKOYAMA, Kuniharu USHIJIMA, Takuma SUZUKI, Kensuke SASAKI, Toshihiko OKANO, Yuta WASHIMI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 927, Pp 23-00216-23-00216 (2023)
In this paper, the mechanical properties of two-dimensional linked zig-zag structure subjected to in-plane compressive load was investigated. This structure has two counterphase layers consisted of inclined plate. The stiffness and the stored strain
Externí odkaz:
https://doaj.org/article/cbed340e658b41839e5a657d9700256d
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 925, Pp 23-00088-23-00088 (2023)
In this paper, the large deflection response of a circular mesh tube under pure bending was investigated by using FE analysis. In the previous study[Nakamura, T., Ushijima, K., Evaluation of large deflection response of circular mesh tubes, Transacti
Externí odkaz:
https://doaj.org/article/eb23794188d44c52bc034bd23843e316
Autor:
Yuki SEBATA, Kuniharu USHIJIMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 89, Iss 920, Pp 23-00024-23-00024 (2023)
In this paper, the critical buckling temperature of a lattice sandwich panel was investigated using FE analysis. In the previous study[Sebata, Y., Ushijima, K., Study on thermal buckling temperature of a lattice sandwich panel, Transaction of the JSM
Externí odkaz:
https://doaj.org/article/7dfe014214ae466fbfde58ff2f29e1bb
Autor:
Toshiki NAKAMURA, Kuniharu USHIJIMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 915, Pp 22-00204-22-00204 (2022)
In this paper, the large deflection of a circular mesh tube was investigated by using a finite element method. During this investigation, it is assumed that the tube is deformed elastically, and its structural nonlinearity due to large deflection was
Externí odkaz:
https://doaj.org/article/1462f628cd0447b7856d261cd7fa5ab2
Autor:
Kota ASAUMI, Kuniharu USHIJIMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 915, Pp 22-00200-22-00200 (2022)
In this paper, the bending collapse behavior of sandwich U-shaped beam with lattice core has been investigated by using finite element analysis. In particular, the effects of geometric properties of lattice core and faceplate on the maximum bending m
Externí odkaz:
https://doaj.org/article/0be4d7cbf0cd409f8af7ccb367bdd746
Autor:
Yuki SEBATA, Kuniharu USHIJIMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 905, Pp 21-00273-21-00273 (2022)
In this study, the critical buckling temperature of a lattice sandwich panel was investigated by using FEM. In particular, the effects of geometric properties, for example a core height h, a core length L, and the number of cells Nc on the buckling t
Externí odkaz:
https://doaj.org/article/268f0f254536432a89c8e98c3c3e81f1
Autor:
Takuma KUMAGAI, Kuniharu USHIJIMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 906, Pp 21-00298-21-00298 (2022)
In this study, the bending strength of lattice-filled rectangular tubes under three-point loading has been studied using a nonlinear finite element analysis. The failure mechanism of lattice-filled tubes can be classified in four modes: tube wrinklin
Externí odkaz:
https://doaj.org/article/5c94e96abcd84f2082c946be4f699009
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 883, Pp 19-00311-19-00311 (2020)
In this paper, sound absorption properties of poroelastic lattice structure are investigated through numerical simulation and measurement. The lattice structures discussed in this paper are composed of slender beams only (BCC) and beams and shells (B
Externí odkaz:
https://doaj.org/article/a284961666f54fe0a4d3dca7bccd3e35
Autor:
Kyohei KOHSAKA, Kuniharu USHIJIMA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 881, Pp 19-00318-19-00318 (2019)
In this study, the natural frequency of cylindrical sandwich tube with lattice core has been investigated using finite element method (FEM). In particular, effects of geometrical parameters such as the ratio of the diameter to length, unit-cell size
Externí odkaz:
https://doaj.org/article/7561ecb2e24d4aa8aee92e231a21f676
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 880, Pp 19-00214-19-00214 (2019)
In this paper, heat transfer characteristics and the pressure drop response of sandwich structures containing open-cell core were studied by using numerical simulation. The effect of micro-architecture and cell size of the unit cell on these characte
Externí odkaz:
https://doaj.org/article/4a6def07865848c38c9bd7285ec98ed6