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Online since: September 2011
Authors: Adrian Sichau, Stefan Ulbrich
The massive interest in robust optimization over thepast fifteen years was triggered by the work of Ben-Tal and Nemirovski, e.g. [1, 6, 2] and El Ghaoui et al. [7, 8].
This has been proposed by Ben-Tal and Nemirovski, e.g. [1, 6, 14], and El Ghaoui et al. [7, 8] for conic optimization problems and has been adjusted to general nonlinear optimization problems with state equations by Diehl et al
El Ghaoui, H.
El Ghaoui, F.
El Ghaoui.
Online since: March 2016
Authors: M.R. Sahar, Nurulhuda Mohammad Yusoff
Many researchers have found that the addition of nanoparticles could enhanced the optical and luminescence characteristics as has been reported by Amjad et al., (2014) [9] and Dousti et al., (2013) [10].
El-Mallawany,Tellurite Glasses Handbook, Physical Properties and Data, CRC Press, Boca Roton, FL, 2001
El-Diasty, A.
El-Mongy, Central Glass and Ceramic Research Institute Bulletin,32 (3) (1985) 53-56
El-Diasty, Current Opinion in Solid State and Materials Science.10 (2006) 217-229
Online since: October 2010
Authors: Giuseppe Lucibello, Giuseppe Brandonisio, Elena Mele, Antonello De Luca
In this paper, four basilica churches strongly damaged during the l'Aquila earthquake, are analyzed through a "two-step" procedure, developed by the authors in Mele et al. (1999).
The comparison between the results of the modal analyses associated to the design spectrum suggested by the NTC'08 and the recorded spectrum (Fig. 5), in the following appointed as "06/04/09", shows slight scatters in term of base shear force, with base shear action V in order of 30% of the vertical load Wtot both in transversal and longitudinal direction (Fig. 6). 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 T(s) Se(g) Mainshock 06/04/09 AQK NTC '08 EL NTC '08 PR (q=2.8) Figure 5: Comparison among main shock spectrum (06/04/09 AQK), elastic (EL) and design (PR) spectra provided by Italian code NTC'08 Transversal direction 0% 20% 40% 60% SMC SG SPC SS V/Wtot 06/04/2009 NTC'08 EL Longitudinal direction 0% 20% 40% 60% SMC SG SPC SS V/Wtot 06/04/2009 NTC'08 EL Figure 6: Normalized base shear in the four churches: NTC'08 VS. 06/04/09 main shock Non Linear Static Analyses In the second step of the analysis
More details concering the application on such approach to masonry modeling can be found in Brandonisio et al. (2008) The results of the analyses on the single structural elements allow for deriving push-over curves, stress distributions, collapse modes and ultimate horizontal strengths; in this paper, for sake of brevity, only the values of ultimate lateral strength are discussed, particularly in the comparison with the strength demand obtained for each macro-element in the first step of the procedure.
Online since: September 2013
Authors: Sheng Dong Pan, Xiang Jing An, Han Gen He, Hong Tao Xue
Funt et al. generalize the Franckle-McCann algorithm to cope with arbitrary size of input images[6], where the effect of different parameter settings is discussed as well.
In order to avoid ambiguity of subjective evaluation, we measure the distortions in the result images quantitatively using the dynamic-range-independent image quality assessment metric proposed by Aydin et al. in [1].
The percentage of three types of distortions, contrast reversal (Er), loss of visible contrast (El), and amplification of invisible contrast (Ea), respectively, and the average distortion error (Eavg) are listed in Table I.
Performance Comparison image the proposed method [14] [11] Er El Ea Eavg Er El Ea Eavg Er El Ea Eavg Foggy night 2.21 4.03 0.59 2.28 12.45 3.51 58.76 24.91 5.04 3.46 37.61 15.37 Cathedral 11.87 15.12 4.94 10.64 18.94 28.03 29.32 25.43 16.63 16.88 35.78 23.10 Memorial 8.92 18.86 0.60 9.46 19.67 21.83 11.17 17.56 17.68 5.84 14.63 12.72 Desk 12.03 31.26 1.23 14.84 21.32 50.41 4.22 25.31 28.92 12.64 23.72 21.76 References [1] T.
Online since: January 2022
Authors: Faten Khelifi, Elhoucine Essefi, Houda Besser, Ali Benour, Yosra Ayadi, Younes Hamed, Sana Bedoui
., Sidi El Hani and Chott Djerid) with layers of brine a few centimeters deep.
Tlig, Geochemical and hydrogeological studies of a sodium sulphate deposits: the case of Sabkhet El Ghine Oum El Khialate, southeast Tunisia, Carbonates and Evaporites, 29 (2014) 299-307
El-Sayed, A.
Al Gamal, R.
El-Sayed, A.
Online since: July 2014
Authors: B.P. Chandra, V.K. Chandra, Piyush Jha
In 1976, Kalinowski et al. reported EL from tetracene crystals [11].
He was the first to report the EL from polymer films.
Bright organic EL at low voltage was first announced by C.W.
Schneider [9, 10] EL from anthracene crystals 1976 Kalinowski et al. [11] EL from tetracene crystals 1983 Partridge [28-31] EL from polymers 1987 Tang and Van Slyke [1] Double-layer organic solid LED 1990 Burroughes et al. [2] Polymer LED 1998 Baldo et al. [34] Phosphorescent OLED 2012 Adachi et al. [37] Thermally activated delayed fluorescent OLEDs. 2.
The EL spectrum is a plot between EL intensity and wavelength of emitted light.
Online since: July 2012
Authors: Li Min Yang, Li Li Zhao, Yi Xin Leng
Amongst the countable papers in the literature on the study of gas-solid and liquid-solid two-phase flows at the junctions, Morikawa et al. [2,3] reported gas-liquid flows, mainly considering the additional pressure losses across the junction, and Nasr-El-Din et al. [4,5] examined the phase split of liquid-solid flows at T-junction and they found that the phase split greatly depended on branch orientation, particle size and concentration, liquid velocity.
Yang et al. [7] defined separation efficiency to assess the phase separation for T-junctions.
Yang et al. [7] reported that the thicker the water layer, the higher the separation efficiency could be achieved for their vertically upward case.
Nasr-El-Din, C.
Nasr-El-Din, A.
Online since: June 2014
Authors: Dong Jun Kim, Hui Wei Du, Kyuho Kim, Lu Peng, Heicheon Yang
The effects of various parameters such as primary nozzle area ratio, mixing tube length, diffuser angle and length on the ejector performance have been investigated by Sharma et al.[7], Kim et al.[8], Kumar et al.[9], Rogdakis and Alexis [10], Rainer et al. [1].
Mass transfer characteristics of ejectors using air or water as the primary fluid or the entrained fluid have been investigated by Park and Yang [11], Balamurugan et al.[12], Cramers and Beenackers [13] and Havelka et al.[14].
EL-Ghandour, I.A.
EL-Sawaf and F.M.
EL-Ottla: 6th Int.
Online since: August 2016
Authors: Cari Cari, Ahmad Marzuki, Mukhayyarotin Niswati Rodliyatul Jauhariyah
El-Deen et al found that the absorption edge shifted to higher wavelength direction with increasing the ionic radius of the rare earth atoms.
Uma et al. [17] found the refractive index of lithium tellurofluoroborate about 1.612-1.628.
Himei, et al., Spectral properties of erbium-doped lead halotellurite glasses for 1.5mm broadband amplification, Optical Materials. 15 (2000) 123-130
El-Mallawany, R.D.
El-Deen, M.Sm Al Salhi, M.M.
Online since: October 2015
Authors: Kamel Mehdi, Moez Ben Jaber, Nawel Glaa
FE Study of the Chips Morphology when Drilling Process Nawel Glaa1, a*, Kamel Mehdi1, 2, b and Moez Ben Jaber3, c, 1Corresponding Author: URMSSDT, Superior School of Sciences and Techniques of Tunis (ESSTT), University of Tunis (UT), 5 Avenue Taha Hussein P.B. 56 Bab Mnara 1008 Tunis, Tunisia 2Preparatory Institute for Engineering Studies El Manar (IPEIMa), University of Tunis EL Manar (UTM), PB. 24, 2092 Tunis, Tunisia 3Engineering National School of Tunis (ENIT), University of Tunis EL Manar (UTM), 1068 Tunis, Tunisia aglaanawel@hotmail.com., b kamel_mehdi2002@yahoo.fr, c moez_benjaber@yahoo.fr Keywords: drilling process, 3D finite element study, chip forming Abstract.
These results are consistent with the results obtained from the experimental study by Zitoune and al. [10] Fig 4.
Zhang, et al., Predicting the Effects of Cutting Parameters and Tool Geometry on Hard Turning Process Using Finite Element Method.
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