Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Sang Jin Oh"'
Publikováno v:
IEEE Access, Vol 12, Pp 46379-46400 (2024)
Major countries around the world are leveraging information and communications technology (ICT), such as artificial intelligence, big data, cloud computing and cybersecurity, to strengthen their militaries. These technological advancements are drivin
Externí odkaz:
https://doaj.org/article/c446c561889d40459014c4bfbcd40049
Publikováno v:
Applied Sciences, Vol 10, Iss 16, p 5431 (2020)
This paper presents free vibrations of the tapered horseshoe circular arch with a constant volume. The volume of the arch is constant, and the cross-sectional shape of the arch is square and circular. The taper function of the arch is a quadratic fun
Externí odkaz:
https://doaj.org/article/090a0e293bfd4140ba5ebee2c264897a
Publikováno v:
Electronic Journal of Structural Engineering, Vol 2 (2002)
A numerical method is developed for calculating the buckling loads of tapered columns of regular polygon cross-section with constant volume and both clamped ends. The linear, parabolic and sinusoidal tapers are considered in numerical examples. From
Externí odkaz:
https://doaj.org/article/91478185ebf94eb1a192b04bd0eed395
Effects of Closed-Loop Devices on Omnidirectional Beam Patterns Radiated from WAVE Monopole Antennas
Publikováno v:
Applied Sciences, Vol 12, Iss 22, p 11402 (2022)
This study investigates the influence of closed-loop devices on omnidirectional beam patterns radiated from a Wireless Access for Vehicle Environment (WAVE) monopole antenna for facilitating communication stability in Vehicle-to-Vehicle and Vehicle-t
Externí odkaz:
https://doaj.org/article/7d63fc398a624e05b343494bb455964d
Publikováno v:
Periodica Polytechnica: Civil Engineering; 2024, Vol. 68 Issue 2, p445-458, 14p
Publikováno v:
Applied Sciences, Vol 12, Iss 16, p 7996 (2022)
Recently, various dynamic risk analysis methods have been suggested for estimating the risk index by predicting the possibility of accidents and damage in real time. It is necessary to quickly estimate the risk of an accident by predicting the probab
Externí odkaz:
https://doaj.org/article/cba4b27e422445c59533b1646c647cbd
Autor:
Chang Hyun Noh, Sang-Jin Oh
Publikováno v:
Korean Business Education Review. 38:123-150
Publikováno v:
Applied Sciences, Vol 11, Iss 24, p 12051 (2021)
Metals created by melting basic metal and welding rods in welding operations are referred to as weld beads. The weld bead shape allows the observation of pores and defects such as cracks in the weld zone. Radiographic testing images are used to deter
Externí odkaz:
https://doaj.org/article/b60ce572106c4bfb834c964a39a5a7ce
Publikováno v:
Applied Sciences, Vol 12, Iss 1, p 123 (2021)
Welding defects must be inspected to verify that the welds meet the requirements of ship welded joints, and in welding defect inspection, among nondestructive inspections, radiographic inspection is widely applied during the production process. To pe
Externí odkaz:
https://doaj.org/article/e213faa2c44345d38ea31f5f9f82a8e7
Autor:
Hye-young Son, Hyeon-dong Roh, Gi-yong Kim, Sang-jin Oh, Jin Choi, Dong-kon Lee, Sung-chul Shin
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 1, p 17 (2021)
Considering the nature of marine accidents, even a single accident can result in significant damage to the environment and property, as well as loss of life. Therefore, the initial response should be rapid and accurate, and various decision support s
Externí odkaz:
https://doaj.org/article/9383c22bbbd34b13a142e4902bf13c33