Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Louay S. Yousuf"'
Publikováno v:
Journal of Engineering, Vol 16, Iss 04 (2024)
This study deals with thermal cyclic loading phenomena of plates which were fabricated from composite materials (woven roving fiber glass + polyester) were exposed to (75 C°) temperature gradient thermal shock for ten times in different stage
Externí odkaz:
https://doaj.org/article/a71e09702e764be2be8f24e657369102
Autor:
Louay S. Yousuf
Publikováno v:
Symmetry, Vol 15, Iss 12, p 2148 (2023)
The symmetry and asymmetry of chaotic motion in the planar mechanism is investigated for a crank arm and connecting rod due to the motion of a flat-faced follower. The level of chaos is investigated using the conception of the Lyapunov exponent param
Externí odkaz:
https://doaj.org/article/db135a8f15de4bc096764bd45ebe402d
Autor:
Louay S. Yousuf
Publikováno v:
International Journal of Mechanical System Dynamics, Vol 2, Iss 2, Pp 214-230 (2022)
Abstract The aim of this article is to detect the detachment between the cam and the follower using the largest Lyapunov exponent parameter, the power density function of fast Fourier transform, and Poinaré maps due to the nonlinear dynamics phenome
Externí odkaz:
https://doaj.org/article/94462e5edf284d3193ec89d9f42d2160
Autor:
Louay S. Yousuf
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 33, Iss 7, Pp 507-516 (2021)
In this paper, the chaotic analysis is predicted based on the non-periodic motion of the follower. Non-periodic motion of the follower has been investigated by using the conception of Lyapunov exponent parameter. Wolf algorithm is used to quantify la
Externí odkaz:
https://doaj.org/article/c85ce451e05f4b328739c7dbe572ad5d
Autor:
Louay S. Yousuf, Nabil Hassan Hadi
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 34, Iss 1, Pp 1-14 (2021)
Abstract The problem of this paper is the high contact stress at the point of contact between the cam and the follower. A pear cam and roller follower mechanism were studied and analyzed for different position of the follower and different contact co
Externí odkaz:
https://doaj.org/article/75f8c21eaa694648bf4428296c8cb07b
Autor:
Louay S. Yousuf
Publikováno v:
Applications in Engineering Science, Vol 9, Iss , Pp 100086- (2022)
The influences of the internal distance of the guide from inside (I.D.), the constant speeds of the cam (N), and the followers' offsets (O) on the chaotic phenomena are studied in this research. The chaotic phenomena is investigated using Phase-plane
Externí odkaz:
https://doaj.org/article/431760e481f64ce7951f436136c62d86
Autor:
Louay S. Yousuf
Publikováno v:
Mathematics, Vol 10, Iss 12, p 2020 (2022)
The purpose of this study is to calculate the bending deflection which is used to investigate the largest Lyapunov exponent due to buckling load. The design methodology is to calculate the largest Lyapunov exponent parameter at different thickness ra
Externí odkaz:
https://doaj.org/article/ee4858e6bbaa41389b244e4ccd60c8d1
Autor:
Louay S. Yousuf
Publikováno v:
Mathematics, Vol 10, Iss 11, p 1922 (2022)
The effect of impact coefficient of restitution on the nonlinear response of the follower is investigated at different follower guides’ clearances, different cam speeds and different followers’ offsets. The impact between the cam and the follower
Externí odkaz:
https://doaj.org/article/4703bcdeff034625ae6991ff858b2ac6
Autor:
Louay S. Yousuf
Publikováno v:
Applied Sciences, Vol 12, Iss 3, p 1204 (2022)
In this paper, the nonlinear dynamics behavior of the bending deflection of a stiffened composite laminated plate is suppressed using beam stiffeners at different fiber volume fractions and different aspect ratios. The non-periodic motion and chaos i
Externí odkaz:
https://doaj.org/article/ea15eb281d89421b8937991e9dad80b8
Autor:
Louay S. Yousuf
Publikováno v:
Machines, Vol 9, Iss 12, p 349 (2021)
The detachment between the cam and the follower was investigated for different cam speeds (N) and different internal distance of the follower guide from inside (I.D.). The detachment between the cam and the follower were detected using largest Lyapun
Externí odkaz:
https://doaj.org/article/693294aec2414dbe8d384655802e7eec