Zobrazeno 1 - 10
of 245
pro vyhledávání: '"Ikuo Ihara"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 904, Pp 21-00266-21-00266 (2021)
In this paper, we present a method for identification of defects in concrete using machine learning. The time history data of acceleration of surface vibration obtained by hammering test is employed as learning data, and a convolutional neural networ
Externí odkaz:
https://doaj.org/article/62fb37dc5e004ce18a4fef90bf0e46c6
Autor:
Kenta YOSHIHARA, Takahiko KURAHASHI, Yuki MURAKAMI, Shigehiro TOYAMA, Fujio IKEDA, Tetsuro IYAMA, Ikuo IHARA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 869, Pp 18-00371-18-00371 (2018)
In this study, the estimation of a defect depth in concrete is carried out based on the finite element and the adjoint variable methods. As the governing equation, the equation of motion is employed, and the finite element and Newmark’s β methods
Externí odkaz:
https://doaj.org/article/3fcf6e213b314fc48657a48f288287d1
Publikováno v:
Sensors, Vol 15, Iss 7, Pp 17000-17012 (2015)
An ultrasonic lateral displacement sensor utilizing air-coupled ultrasound transducers is proposed. The normally-distributed far field of an ultrasound transducer in a lateral direction is taken advantage of for measuring lateral displacement. The me
Externí odkaz:
https://doaj.org/article/dbd1e35650c246cfb2726f672e51f0f5
Publikováno v:
Mechanical Engineering Journal, Vol 3, Iss 6, Pp 16-00162-16-00162 (2016)
The fundamental study on the ultrasonic characterization of non-Gaussian rough surface of a material is carried out. In this study, a theoretical relationship among ultrasonic reflection coefficient at normal incidence, root mean square roughness Rq,
Externí odkaz:
https://doaj.org/article/b79dd1ba555040f4a6c30ff1dbb8ff64
Publikováno v:
Sensors, Vol 18, Iss 1, p 2 (2017)
A new technique for measuring liquid-level utilizing wedge wave is presented and demonstrated through FEM simulation and a corresponding experiment. The velocities of wedge waves in the air and the water, and the sensitivities for the measurement, ar
Externí odkaz:
https://doaj.org/article/3c582a061d8f4ad8bda0de53f34de4ba
Autor:
Chenyan XU, Ikuo IHARA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 827, Pp 15-00107-15-00107 (2015)
Spot-welding is widely used in various fields of industries. Since the size and quality of a welded nugget are closely related to the bonding strength of the weld, its quantitative evaluation is important to improve the reliability of the welded stru
Externí odkaz:
https://doaj.org/article/79aa186585a14ecc90107b84f40afbeb
Autor:
Shingo AOKI, Ikuo IHARA
Publikováno v:
Mechanical Engineering Journal, Vol 2, Iss 1, Pp 14-00431-14-00431 (2015)
The feasibility of ultrasonic in-situ measurement of friction surface temperature has been examined. The ultrasonic thermometry that is a method providing nondestructive temperature measurements by ultrasound is applied to temperature measurements of
Externí odkaz:
https://doaj.org/article/c187b07bca9f457789681870bf412f77
Publikováno v:
Mechanical Engineering Journal, Vol 2, Iss 1, Pp 14-00379-14-00379 (2014)
We propose a novel measurement method for directly measuring the lateral displacement of structures by using air-coupled ultrasound transducers. The normally-distributed far field of an ultrasound transducer in a lateral direction is taken advantage
Externí odkaz:
https://doaj.org/article/fc213c0f55be492da4aa3804da5c7bd0
Autor:
Ikuo Ihara
Selected, peer reviewed papers from the 2nd International Conference on Mechanical Engineering, Materials Science and Civil Engineering (ICMEMSCE 2013), October 25-26, 2013, Beijing, China
Autor:
Ikuo Ihara, Fujio Ikeda, Kenta Yoshihara, Tetsuro Iyama, Yuki Murakami, Takahiko Kurahashi, Shigehiro Toyama
Publikováno v:
Journal of the Society of Materials Science, Japan. 70:41-48