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The Uncertainty Analysis of Health Management Strategies for Aero-engines Zhenhua Wen a, Xin Yinb, Yuanpeng Liuc School of Mechatronics Engineering, Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou, Henan Province 450015 ,P.R.
But because the hypothesis condition is an ideal state and is more or less different with practical engineering condition, the maintenance decision-making based on which gets a certain degree of uncertainty and limit the actual popularization and application of maintenance decision-making methods.
Plus, there is a certain limit for the generalization capacity of the model itself, so as for specific engineering conditions, the uncertainty of output decision-making for different models always exists and the only difference is the degree of uncertainty.
Transactions of the American Institute of Electrical Engineers, Vol. 47. (2009) No. 2, pp. 617-644
China Mechanical Engineering .Vol. 18 (2007) No. 21, pp. 2580-2584.

Implementation of a Mesocopic Mechanical Model for the Shear Fracture Process Analysis of Masonry Shuhong Wang 1,2,a, Chun'an Tang 1,2,b, Juanxia Zhang 1,2,b and Wancheng Zhu 1,b 1 School of Resource and Civil Engineering, Northeastern University, Shenyang, P.R.C 2 Rearch Center for Numerical Tests on Material Failure, Dalian University, Dalian, P.R.C a shwang@mail.neu.edu.cn, bcrisr@mail.neu.edu.cn Keywords: Meso-scopic damage model, Elastic damage mechanics, Fracture Process of masonry, Numerical simulation Abstract.
Hwang: Discontinuous deformation Analytical for reinforced concrete frames infilled with masonry walls [J], Structural Engineering and Mechanics Vol. 6 (2) (1998), pp. 201-215 [6] C.A.
David: Nonlinear dynamic analysis of unreiforced masonry [J], Journal of Structural Engineering Vol. 124 (1) (1998), pp. 21-29 [9] Giuseppe Giambanco, Santi Rizzo and Roberto Spallino: Numerical anlysis of masonry structures via interface models, Computer methods in applied mechanics and engineering Vol. 190 (2001), pp. 6493-6511 [10] J.
Pijaudier-Cabot: Continuum damage theory - application to concrete, Journal of Engineering Mechanics, ASCE Vol. 115 No. 2 (1987), pp. 345-365 [11] Pierre Pegon, Artur V.
Van Vliet: Experimental and numerical simulation and the role of engineering judgement in the fracture mechanics of concrete and concrete structures, Constr Build Mater.

Generally, SCADA applications include the automotive manufacturing industry, energy sector, agriculture, health care, transportation, civil engineering, chemistry, etc [1, 2, 3, 4, 5].
In Quest Journals Journal of Software Engineering and Simulation (Vol. 9, Issue 5). www.questjournals.org [2] Braunbehrens, R., Schreiber, J., & Bottasso, C.
IOP Conference Series: Materials Science and Engineering, 550(1). https://doi.org/10.1088/1757-899X/550/1/012008 [5] Chang, W., Xie, J., Wang, J., Teng, W., Sun, Y., & Zheng, M. (2020).
Advances in Mechanical Engineering, 12(11). https://doi.org/10.1177/1687814020971162 [6] Falco, J., & Kent, K. (2006).
Proceedings - 2017 4th International Conference on Information Technology, Computer, and Electrical Engineering, ICITACEE 2017, 2018-January, 187–191. https://doi.org/10.1109/ICITACEE.2017.8257700 [15] Kumar, S., Subramaniam, A. / L., Huzaimah Binti Husin, S., Binti Yusop, Y., & Hamid Bin Hamidon, A.

Attard1* 1University of Alabama at Birmingham, Department of Civil, Construction, and Environmental Engineering, Hoehn Engineering Building 331C, 1075 13th Street South, Birmingham, AL 35294-4440, USA 1lihe@uab.edu, *thoma1@uab.edu Keywords: Polyurea, Epoxy, Viscoelasticity, DMA, Complex Moduli, Loss Modulus, Generalized Maxwell Model Abstract.
“Numerical Simulations of Dynamic Behavior of Polyurea Toughened Steel Plates under Impact Loading,” Journal of Computational Engineering [2] Huang, W., Yang, Y., Li, H., Lyu, P., & Zhang, R. (2017).
DEStech Transactions on Materials Science and Engineering, (ictim) [3] Zhou, H., Attard, T.L., Dhiradhamvit, K., Wang, Y., and Erdman, D. (2015).
“Crashworthiness characteristics of a carbon fiber reinforced dual-phase epoxy–polyurea hybrid matrix composite,” Composites Part B: Engineering, 2015. 71: p. 17-27
“Tornado-borne debris impact performance of an innovative storm safe room system protected by a carbon fiber reinforced hybrid polymeric-matrix composite,” Engineering Structures, 59: p. 308-319

Casadei, Containment of blast phenomena in underground electrical power plants, Advances in Engineering Software, 29 (1998) 7-12
Chien, Blast-resistant analysis for a tunnel passing beneath Taipei Shongsan airport - A parametric study, Geotechnical and Geological Engineering, 24 (2006) 227-248
Yankelevsky, Internal blast loading in a buried lined tunnel, International Journal of Impact Engineering, 35 (2008) 172-183
Liu, Dynamic analysis of subway structures under blast loading, Geotechnical and Geological Engineering, 27 (2009) 699-711
Li, Numerical analysis of internal blast effects on underground tunnel in soils, Structure and Infrastructure Engineering, (2016) 16 p.

., Lutsk, Ukraine, 43018 2National University of Civil Defence of Ukraine, 94 Chernishevska str., Kharkiv 61023, Ukraine aShyberko@ukr.net, bsamchuk@gmail.com, chuliieva@lntu.edu.ua, d9000@lntu.edu.ua, eruban_artem1979@ukr.net Keywords: sieve analysis, fraction, powder materials, powder backfill, average particle size, polydispersity, porosity, hopper.
Heng-wei, Sintering driving force of Al2O3 powders at the initial stage of pulse electric current sintering under thermoelastic diffusion, International Journal of Mechanical and Materials Engineering. 13 (2018) 2-8
Vettivel, Microstructure, consolidation and mechanical behaviour of Mg/n-TiC composite, Alexandria Engineering Journal. 55 (2016), 2077-2086
Pasternak, Boundary element modeling of pyroelectric solids with shell inclusions, Mechanics and Mechanical Engineering. 22 (2018), 727-737
Blaine, Іnfluence of heat treatments on the microstructure and tensile behaviour of selective laser melting-produced Ti-6Al-4V parts, South African Journal of Industrial Engineering. 27 (2016), 174-183

In engineering construction, the loess sites have higher earthquake acceleration peak values.
The Geotechnical Engineering Chemistry is one of the main methods to change the loess sites engineering properties [9].
References [1]DENG Jin(2009),The study on quantitative relationship between seismic subsidence of loess and its microstructure[D] [The Doctor’s degree paper].LAN-Zhou school of Civil Engineering and Mechanics, Lanzhou University, Lanzhou, 730000, China
Chinese Journal of Geotechnical Engineering. 29(04):542-548
Soil Dynamics and Earthquake Engineering::31: 45–58

Effects of construction conditions on built-in temperature gradient of concrete pavement: a numerical study Lei Quan1,a, Bo Tian1,2,b, Decheng Feng1,c Xinkai Li1,d 1School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China 2Research Institute of Highway Ministry of Transport, Beijing, 100080, China acharly08@163.com,bb.tian@rioh.cn,cfdcgxy@vip.sina.com,dlxkhit@126.com Key words: cement concrete pavement; built-in temperature gradient; construction conditions; numerical simulation Abstract: The built-in temperature gradient of concrete pavement formed during hardening period caused by various construction conditions will permanently exist in the pavement, which will have significant influence on the service behavior of concrete pavement.
Fig. 1 Adiabatic temperature rise calculated by the program (2)Temperature field of early-age concrete pavement As shown in fig.2, compared with the data collected from field experiment [15], the calculated data of different layer of the slab can satisfy the requirements of engineering prediction.
Journal of Transportation Engineering. 2005,131(4):320~327 [2]Hveem, F.
International Journal of Pavement Engineering. 2006(7): 275-289 [9]Specmcations of Cement Concrete Pavement Design for Highway (JTG D40—2011)[S].
JOURNAL OF MATERIALS IN CIVIL ENGINEERING.2006:317~324 [12]RW.J.

In the practical engineering, the frame column usually is symmetrically reinforced and mostly in eccentric compression state.
Advances in Structural Engineering, vol.15(2012), p. 139-154
Engineering Structures, vol.52(2013), p.207-219
Engineering Structures, vol.59(2004), p. 28-38
China Civil Engineering Journal, vol. 45 (2012), p.23-32

The coupled effects of thickness and distance between holes on stress and strain concentrations of uniaxially loaded tensile plates Zheng Yang1, a 1Department of Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, People’s Republic of China azyang@mail.xjtu.edu.cn Keywords: central hole; auxiliary hole; stress concentration factor; strain concentration factor; finite thickness.
Introduction Plates with holes are common structural elements in many engineering applications.
Minimizing stress concentration around holes in stress fields is an important problem in engineering design.
Radi: International Journal of Engineering Science Vol. 49 (2011), p. 893 [2] S.
Sanyal: Engineering Journal Vol. 16 (2012), p. 1 [3] R.