Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Tamer A. El-Sayed"'
Publikováno v:
Machines, Vol 12, Iss 10, p 675 (2024)
Studying rotor-bearing systems involving fluid film bearings is essential for designing and assessing the dynamic responses and performance of rotating machinery. They are involved in many applications such as pumps, turbines, and engines. Water-lubr
Externí odkaz:
https://doaj.org/article/a8b61ade9b244b3cbfbca85fa316dc71
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-20 (2023)
Abstract The present study investigates the free vibration behavior of rotating beams made of functionally graded materials (FGMs) with a tapered geometry. The material properties of the beams are characterized by an exponential distribution model. T
Externí odkaz:
https://doaj.org/article/4d8d5358ea59458aa20f459bf68040dd
Publikováno v:
Journal of Advanced Ceramics, Vol 10, Iss 1, Pp 1-27 (2021)
Abstract Ceramic materials are increasingly used in micro-electro-mechanical systems (MEMS) as they offer many advantages such as high-temperature resistance, high wear resistance, low density, and favourable mechanical and chemical properties at ele
Externí odkaz:
https://doaj.org/article/5f014f3ee7044a86b107768f7bd49d35
Publikováno v:
Advances in Mechanical Engineering, Vol 11 (2019)
Small-scale wind turbines with innovative design are introduced for small applications, providing clean renewable energy to rural homes, street lighting, and hybrid systems. Energy ball wind turbine, known as Venturi wind turbine, has untraditional b
Externí odkaz:
https://doaj.org/article/71c8bc62c7994318a0cb2a103541c426
Publikováno v:
Shock and Vibration, Vol 2017 (2017)
The exact solution for multistepped Timoshenko beam is derived using a set of fundamental solutions. This set of solutions is derived to normalize the solution at the origin of the coordinates. The start, end, and intermediate boundary conditions inv
Externí odkaz:
https://doaj.org/article/099496303418420794947909186f8764
Publikováno v:
Journal of Vibration and Control. :107754632211221
The lateral vibration of cracked isotropic thick beams is investigated. Generally, the analysis of thick beam based on line elements can be undertaken using either Timoshenko beam theory or a third order beam theory (TSDT) such as Reddy beam theory.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9a481dfe584c148a0a9ca5c52d3847c
https://doi.org/10.1177/10775463221122122
https://doi.org/10.1177/10775463221122122
Publikováno v:
Journal of Medicine in Scientific Research, Vol 2, Iss 1, Pp 71-74 (2019)
Aim To identify the pattern and side of brain plasticity following acute stroke in patients who recovered and assess motor upper limb function using motor-related cortical potentials. Patients and methods Eleven patients diagnosed with acute ischemic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f736e912db3cde302df2ca3b21b8b8bb
https://doi.org/10.4103/jmisr.jmisr_14_19
https://doi.org/10.4103/jmisr.jmisr_14_19
Autor:
S. El-Rabaie, Tamer S. El-Sayed
Publikováno v:
Menoufia Journal of Electronic Engineering Research. 21:167-186
onlinear circuit analysis differs from linear circuit analysis in that the transfer characteristic between the input and the output is a function of signal level and the operating point. Different methods were established to manipulate these circuits
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e063d9c0dce391a605ec94fe1805fecb
https://doi.org/10.21608/mjeer.2011.66820
https://doi.org/10.21608/mjeer.2011.66820
Autor:
Tamer S. El-Sayed, S. El-Rabaie
Publikováno v:
2010 2nd International Conference on Signal Processing Systems.
The response of nonlinear systems mainly depends on its coefficients. Extraction of these coefficients was studied in the frequency domain using an empirical approach. In this paper, we use the time domain approach to extract the required coefficient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::143c963328c2bc3b0f25b48a433fafe5
https://doi.org/10.1109/icsps.2010.5555850
https://doi.org/10.1109/icsps.2010.5555850
Autor:
Effat, Safeya Mahmoud Ahmed, Elsamei, Afaf Mohamed Abd El, Ghonemy, Soheir Helmy El, Roushdy, Tamer Mahmoud El Sayed
Publikováno v:
Middle East Current Psychiatry; January 2012, Vol. 19 Issue: 1 p23-31, 9p