Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Masakazu Takagaki"'
Autor:
Koki Kikuta, Shun Omori, Masakazu Takagaki, Yasuhiko Ishii, Kazuhiro Okubo, Yuta Ohno, Yoshihiro Fujiya, Hitomi Kurosu, Tomoe Shimada, Tomimasa Sunagawa, Takuya Yamagishi, Motoya Hayashi
Publikováno v:
Buildings, Vol 14, Iss 6, p 1632 (2024)
This study is about a COVID-19 outbreak and ventilation measures taken against COVID-19 transmission through the air occurred at an ice arena in Japan. The ice arena has been known to have a deterioration of indoor air quality affected by CO, NO2 and
Externí odkaz:
https://doaj.org/article/cf79c0a542a640fc9305a4f843d9e14d
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 878, Pp 19-00088-19-00088 (2019)
Dynamic contact behavior occurs between wheels and rails while the train is running, it is an unsteady phenomenon and becomes more complicated when passing through a curved section. To examine the mechanism of this phenomenon, the authors have develo
Externí odkaz:
https://doaj.org/article/6f3a4cede37247858cc42f043926298c
Publikováno v:
Quarterly Report of RTRI. 59:37-42
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cb49f10245dd46442b3c1fb22fd5a72
https://doi.org/10.2219/rtriqr.59.1_37
https://doi.org/10.2219/rtriqr.59.1_37
Publikováno v:
Quarterly Report of RTRI. 55:171-175
This paper attempts to analyze dynamic wheel/rail rolling contact through application of a three-dimensional finite element method with large-scale parallel computing. This analysis clarifies the dynamic behavior of the contact patch, when a wheel ro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3894a9d2c6f2c6cf3d7ddd4cda910a0
https://doi.org/10.2219/rtriqr.55.171
https://doi.org/10.2219/rtriqr.55.171
Publikováno v:
The Proceedings of the Transportation and Logistics Conference. :3210
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a63e976e850986cb40cf370f54b40e7c
https://doi.org/10.1299/jsmetld.2018.27.3210
https://doi.org/10.1299/jsmetld.2018.27.3210
Publikováno v:
The Proceedings of The Computational Mechanics Conference. :081
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c775883b81c88f452ba52d2f86834bae
https://doi.org/10.1299/jsmecmd.2018.31.081
https://doi.org/10.1299/jsmecmd.2018.31.081
Autor:
Masakazu Takagaki, Yutaka Toi
Publikováno v:
International Journal of Damage Mechanics. 19:321-338
The coupled computational procedure of the induction heating, the thermal conduction, the thermal elasto-viscoplastic damage, and the phase transformation analysis has been developed for the induction hardening analysis of steel machine parts. The va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac9e778de83037853e4f7d246f3ef221
https://doi.org/10.1177/1056789509103650
https://doi.org/10.1177/1056789509103650
Publikováno v:
Journal of Solid Mechanics and Materials Engineering. 2:675-684
Local approach to fracture based on continuum damage mechanics and finite element method is a powerful method to estimate fatigue strength, which can reduce computing time and cost for the analysis of fatigue crack initiation and propagation. In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9054e2bf846b147efa05054885215c87
https://doi.org/10.1299/jmmp.2.675
https://doi.org/10.1299/jmmp.2.675
Autor:
Toshiya Nakamura, Masakazu Takagaki
Publikováno v:
Journal of Pressure Vessel Technology. 129:96-102
Numerical simulation of fatigue crack propagation based on fracture mechanics and the conventional finite element method requires a huge amount of computational resources when the cracked structure shows a complicated condition such as the multiple s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e6c01f5bf9b88519beb4e6aa83938cc
https://doi.org/10.1115/1.2388993
https://doi.org/10.1115/1.2388993
Publikováno v:
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 72:1518-1524
Local approach to fracture based on continuum damage mechanics and finite element method is a powerful method to estimate fatigue strength, which can reduce computing time and cost for the analysis of fatigue crack initiation and propagation. In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b79ba72a15ded6f9c88cb2b3e3755e24
https://doi.org/10.1299/kikaia.72.1518
https://doi.org/10.1299/kikaia.72.1518