Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Atsutaka Tamura"'
Autor:
Junichi HONGU, Atsutaka TAMURA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 88, Iss 909, Pp 22-00041-22-00041 (2022)
To predict traumatic injuries using a computational model, accurate mechanical properties of biological materials are required. Especially, soft tissue is a viscoelastic and rate sensitive material that exhibits the decaying stress response when a co
Externí odkaz:
https://doaj.org/article/c858f4bda2ef4bbd8ec5793d4ede7ede
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 900, Pp 21-00103-21-00103 (2021)
The number of whiplash injuries in rear-end collisions is still high worldwide. Since the 1990s, many researchers have studied the mechanisms of injury occurrence in which were focused in the early stage of the rear impact. However, the current situa
Externí odkaz:
https://doaj.org/article/e274a5a4d313451cb49b5ebe1d45386f
Publikováno v:
Mechanical Engineering Journal, Vol 8, Iss 1, Pp 20-00277-20-00277 (2020)
Mathematical modeling of the thoracic aorta is important for detecting extraordinary and unusual stress or strain distributions of the hypertensive aortic wall, even in early stages, and for understanding the development and progression of various ca
Externí odkaz:
https://doaj.org/article/3d863b51f2d14beb9db0b152fbc8f567
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 15, Iss 4, Pp 20-00324-20-00324 (2020)
In vivo aortic wall thickening is a mechanical adaptation to the prolonged increase in intravascular pressure resulting from hypertension, which is mainly regulated by primary components of the aortic media, the elastic lamina (EL) and the smooth mus
Externí odkaz:
https://doaj.org/article/22185451d849454da7b0aa47fa80a104
Autor:
Takao KOIDE, Tatsuya YUKAWA, Suguru TAKAMI, Akio UEDA, Ichiro MORIWAKI, Atsutaka TAMURA, Junichi HONGU
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 11, Iss 6, Pp JAMDSM0082-JAMDSM0082 (2017)
The present paper describes the tooth surface temperature and the power transmission efficiency of plastic sinecurve gears in the running condition. The plastic sine-curve and involute gears were manufactured by injection molding. The running tests f
Externí odkaz:
https://doaj.org/article/96552aff0a4e4ae3841b9ccbbbcd73f7
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 3, Iss 2, Pp 263-274 (2008)
Mechanical properties of brain tissue characterized in high-rate loading regime are indispensable for the analysis of traumatic brain injury (TBI). However, data on such properties are very limited. In this study, we measured transient response of br
Externí odkaz:
https://doaj.org/article/d79692d00dfb4f608bcedc2f28481a63
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 2, Iss 3, Pp 115-126 (2007)
Mechanical properties of brain tissue in high strain region are indispensable for the analysis of brain damage during traffic accidents. However, accurate data on the mechanical behavior of brain tissue under impact loading condition are sparse. In t
Externí odkaz:
https://doaj.org/article/0b21312b166745c9b99bed74dbc15beb
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 1, Iss 2, Pp 304-315 (2006)
Diffuse axonal injury (DAI) is a specific type of closed head injury often seen in automobile accidents, that directly leads to the morbidity and mortality, however, the injury mechanism of DAI has yet to be clarified. DAI is characterized by structu
Externí odkaz:
https://doaj.org/article/f1a21d4d2da848b591c65084a46ed7e0
Publikováno v:
Computer Methods in Biomechanics and Biomedical Engineering. 26:893-904
Since embryos change their morphology drastically in the gastrulation stage, mechanical characterization of young embryos is important as they also change their tissue stiffness with the stage of development. Herein, virtual compression tests were co
Autor:
Atsutaka Tamura, Jun-ichi Hongu
Publikováno v:
Journal of Engineering and Science in Medical Diagnostics and Therapy. 6
Viscoelasticity of the spinal nerve roots may play a significant role in predicting nerve root damage caused by overall spinal motion. However, only a few studies have investigated the complex mechanical behavior of this tissue. The current study pre