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Online since: October 2010
Authors: A. D’Ambrisi, V. Mariani, M. Mezzi
The civic tower of Soncino has been the object of an experimental campaign performed by the Milano IDPA-CNR institute (Dusi et al. 2006, Dusi et al. 2007).
Successively, a nonlinear dynamic analysis has been carried out applying at the tower base the El Centro recorded accelerogram of the 1940 Imperial Valley earthquake.
Nonlinear Dynamic Analysis Four nonlinear dynamic analyses have been carried out utilizing as seismic input the El Centro accelerogram with a peak acceleration of 0.05g, 0.10g, 0.15g and 0.20g.
Online since: June 2024
Authors: Danitza Liliana Manco, Rick M. Delgadillo, Joan R. Casas, Anthony L. Palacios, Victor I. Fernandez-Davila
., Al-Masri, A. & Sayin, B. (2022).
Case Studies in Construction Materials. 17(e01263). https://doi.org/10.1016/j.cscm.2022.e01263 [3] Mathews, M., Anand, N., Andrushia, D., Kiran, T. & Al-Jabri, K. (2021).
Journal of Structure fire Engineering. 12(4). https://doi.org/10.1108/JSFE-02-2021-0007 [4] Tawfik, M., El-said, A., Deifalla, A. & Awad, A. (2022).
Pages 1327-1338. https://doi.org/10.1016/j.aej.2019.11.004 [9] Abdel-Jaber, M. and El-Nimri, R. (2022).
Online since: May 2014
Authors: Xiao Bao Li, Xin Pan, Yu Zhang
The plate exhibits yield strength (YS) ≥ 405 MPa, tensile strength (TS) ≥ 528 MPa and elongation (El) ≥ 27 %.
/MPa TS/MPa El./% RA./% CVN impact property / J vE0 °C vE-20 °C vE-40 °C t/4 415 542 27 83 393, 388, 378 388, 385, 377 360, 327, 348 t/2 405 528 28 82 319, 325, 339 303, 321, 327 310, 311, 307 Fig. 2 shows the typical morphology of the fracture surface after impact testing.
Jones, Formation and evolution of Al-Ti oxide inclusions during secondary steel refining, ISIJ Inter., 49 (2009) 1133-1140
Nylund, A.L.
Online since: October 2018
Authors: Iulian Antoniac, Eusebiu Sindilar, Ștefan Lupescu, Bogdan Istrate, Corneliu Munteanu
El-Rahman [6] observed that the presence of aluminum in these alloys has a positive effect on the microstructure leading to solidification of the main phase, but a neurotoxic effect leading to Alzheimer's disease.
Zhang et al. have identified that Yttrium is a biocompatible element with a maximum daily concentration of 4.2 mg / d [9].
Wang et al. have consistently studied Mg-Y binary alloys up to 3 wt % Y, with positive results as degradable implants.
[6] El-Rahman, S.S.A., Neuropathology of aluminum toxicity in rats (glutamate and GABA impairment), Pharmacological Research 47 (2003) 189–194
Online since: September 2013
Authors: Yong Bin Zhang, Rong Hua Liang
In 2010 Mohanmmed Al zoube and Samir Abou El-Seoud presented the architecture of a web e-learning system [6].
(last accessed 2013) [6] Mohammed Al-Zoube and Samir Abou El-Seoud, Cloud Computing Based E-Learning System, International Journal of Distance Education Technologies,vol. 8 ,pp. 58-71, 2012
Online since: August 2017
Authors: Paras Ram, Vimal Kumar Joshi, Anil Kumar, Oluwole Daniel Makinde, Punit Kumar
Laghrabli et al. [21] investigated the hydrodynamic ferrofluid lubrication for finite journal bearing using Shliomis model due to the rotation of ferromagnetic particles.
Using the Jenkins model, Laghrabli et al. [23] studied the hydrodynamic ferrofluid lubrication for finite journal bearing by creating a magnetic field using displaced finite wire and compared the results with N-R model.
El Khlifi, M.
El Khlifi, M.
Online since: June 2017
Authors: Zhao Dong Wang, R.D.K. Misra, Yan Mei Li, Guo Dong Wang, Bin Wang, Yong Yang
Misra2 1State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, Liaoning, China 2Laboratory for Excellence in Advanced Steel Research, Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, TX 79968-0521, USA *zhdwang@mail.neu.edu.cn Keywords: Ultra fast cooling, Nanoscale cementite, Precipitation kinetics, Precipitation strengthening, Classical nucleation theory.
Wang et al.[9] proposed an approach to obtain nanoscale cementite.
Wang et al.[21] modeled the entire process of precipitation, and Ghosh[23] simulated coarsening kinetics of cementite under the influence of Si or Mn rather than Si and Mn.
Online since: September 2013
Authors: Wen Xiang Zhao, Xi Bin Wang, Li Ping Ma, Zhi Qiang Liang, Hong Min Yao, Tian Feng Zhou
Seitier et.al: Surface and Coatings Technology.
Tang, A.L.
Mei et.al: Journal of Materials Processing Technology.
[7] M.El.
Online since: July 2015
Authors: J.S. Mohamed Ali, Yulfian Aminanda, Saleh Alsubari
Similar to these works, in this paper the higher order theory presented by Ali et al [5] for analysis of plates under thermal loads has been extended to include the hygroscopic effects on shells.
EL/ ET= 25; GLT//ET= 0.5; GTT/ET=0.2; nLT= nTT= 0.25; αT= 22.5*10-6/K; αL=0.02*10-6/K; αTL=αT; βL=0; βTL=βT=0.6.
In Tables 1 & 2 the results are presented in non-dimensionalized form as w=w/(h aL T0S2), v=v/(h aL T0S) and σq=σq/(ETaL T0) with S=R/h Table 1 Non-dimensionalized maximum deflection of cross-ply cylindrical shell strips subjected to thermal load (w at z =-h/2) R/h HSDT13 HSDT11* CST [6] Elasticity[6] 4 19.809 20.268 3.148 19.75 10 5.869 5.979 3.148 5.858 50 3.257 3.262 3.148 3.257 100 3.175 3.176 3.148 3.175 *HSDT11 represents the displacement model without zigzag function Table 2 Non-dimensionalized maximum displacements and stresses of cross-ply cylindrical shell strips subjected
Online since: June 2014
Authors: Ahmad Drak, Hassan Noura, Abdelhamid Rabhi, Ahmed El Hajjaji, Younes Al Younes
Quadrotor Position Control Using Cascaded Adaptive Integral Backstepping Controllers Younes Al Younes1, a,Ahmad Drak2, b, Hassan Noura3, c, Abdelhamid Rabhi4, d and Ahmed El Hajjaji5, e 1Higher Colleges of Technology, Al Ain, United Arab Emirates 2,3United Arab Emirates University, Al Ain, United Arab Emirates 4,5 University of Picardie Jules Verne, Amiens, France ayalyounes@hct.ac.ae, bahmad.drak@gmail.com, chnoura@uaeu.ac.ae,dabdelhamid.rabhi@u-picardie.fr, e ahmed.hajjaji@u-picardie.fr Keywords:Quadrotor Vehicle, Nonlinear Control, Integral Backstepping Controller, Adaptive Law.
Al Younes, “Establishing Autonomous AUS-Quadrotor,” M.S. thesis, Dept. of Mechatronics.
Al Younes, M.
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