Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Seyed Majid Yadavar Nikravesh"'
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 3, Iss 1, p 11 (2019)
In this paper, a new method was introduced for feature extraction and fault diagnosis in bearings based on wavelet packet decomposition and analysis of the energy in different frequency bands. This method decomposes a signal into different frequency
Externí odkaz:
https://doaj.org/article/029e6af5dee74195bcd87b4f9b150913
Publikováno v:
Latin American Journal of Solids and Structures, Vol 14, Iss 12, Pp 2153-2176
Abstract Bolted structures are widely utilized in industrial structures and equipment due to the numerous advantages they possess. However, the use of bolts in these structures by itself can cause considerable flaws or damages. One of the major reaso
Externí odkaz:
https://doaj.org/article/2ef21ccd3dd941d6b55f4b9e4180f890
Publikováno v:
Mechanics Based Design of Structures and Machines. 50:1400-1416
Flanged joints’ looseness is among the common causes for the failure of industrial structures with flanged joints the timely detection of which can prevent the imposition of heavy financial losses ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e673c0d7e88bf11803c2e057ceaf8a58
https://doi.org/10.1080/15397734.2020.1753534
https://doi.org/10.1080/15397734.2020.1753534
Publikováno v:
Russian Journal of Nondestructive Testing. 56:490-505
Flanged joints’ looseness is among the common causes for the failure of industrial structures with flanged joints such as wind turbine or transmission line pipes the timely detection of which can prevent the imposition of heavy, financial losses an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61fa1e403596604f13c6949194155d4f
https://doi.org/10.1134/s1061830920060066
https://doi.org/10.1134/s1061830920060066
Publikováno v:
Journal of Vibration and Control. :107754632210928
This paper investigates the influence of a circumferential crack on a simply supported beam’s free vibration behavior analytically and numerically. The beam is modeled by Euler–Bernoulli beam theory with a circular cross-section. The circumferent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbae5c59294ec73a2a8973d4bfa2362e
https://doi.org/10.1177/10775463221092835
https://doi.org/10.1177/10775463221092835
Autor:
Seyed Majid Yadavar Nikravesh1 m_yadavarnik@sbu.ac.ir, Masoud Goudarzi2 ma_goudarzi@sbu.ac.ir
Publikováno v:
Latin American Journal of Solids & Structures. 2017, Vol. 14 Issue 12, p2153-2176. 24p.
Publikováno v:
Russian Journal of Nondestructive Testing; Jun2020, Vol. 56 Issue 6, p490-505, 16p
Publikováno v:
Meccanica. 48:2075-2098
In this paper, vibration first mode of a plate with two all-over part-through cracks are analyzed by using discrete wavelets transform of Spline, Haar, Harmonic and Duabechies. It is observed that crack locations are detectable in values of wavelet c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aae055e5292c900900816b3aabcf3c2d
https://doi.org/10.1007/s11012-013-9726-7
https://doi.org/10.1007/s11012-013-9726-7
Publikováno v:
Journal of Mechanical Science and Technology. 27:993-999
In gas turbine power plants, a fan is used as a cooling system to dissipate generated heat in coils (copper conductors) and generator electric circuits at the end sides of its rotor. In some cases, fracture of blades causes short circuit between roto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a019cd6be6c04314110578e68a947e39
https://doi.org/10.1007/s12206-013-0210-z
https://doi.org/10.1007/s12206-013-0210-z
Publikováno v:
Journal of Manufacturing and Materials Processing
Volume 3
Issue 1
Journal of Manufacturing and Materials Processing, Vol 3, Iss 1, p 11 (2019)
Volume 3
Issue 1
Journal of Manufacturing and Materials Processing, Vol 3, Iss 1, p 11 (2019)
In this paper, a new method was introduced for feature extraction and fault diagnosis in bearings based on wavelet packet decomposition and analysis of the energy in different frequency bands. This method decomposes a signal into different frequency
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10c9fa565244f76b5c16f22eaec6515c
https://doi.org/10.3390/jmmp3010011
https://doi.org/10.3390/jmmp3010011