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Natural Element Method for Material and Geometrical Bi-nonlinear Problems Daohong Ding1, 2,a, Qing Zhang1,2,b and Jianqiang Xiao 1,2,3,c 1 State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing,Jiangsu, 210098, China 2 Department of Engineering Mechanics, Hohai University, Nanjing,Jiangsu, 210098, China 3 Department of Civil Engineering, Nanjing Institute of Technology, Nanjing,Jiangsu, 211167, China addh@hhu.edu.cn, blxzhangqing@hhu.edu.cn, cxiaojq7754@163.com Keywords: Natural Element Method, Material Nonlinear Problem, Geometrical Nonlinear Problem, Natural Neighbor Interpolation, Numerical Method.
Acknowledgements This work is partially supported by the National Natural Science Foundation of China (No.10972072，No.51179064，No.11132003), as well as the Special Fund of State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering of Hohai University (No.2009585912).
Luo, in: 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE) (2011)

Slope Stability Comparatively Analyzed with 2D and 3D FEM LIU Jie-qun1, a, LIU Jin-long2,b 1 Department of Computer Science and Technology, Key Lab of Network and Intelligent Information Processing, Hefei University, Hefei 230601, China; 2 Department of Civil Engineering, Hefei University, Hefei 230022, China aljq109p@163.com, balnile@163.com Keywords: two dimension (2D); three dimension (3D); slope; stability Abstract: A typical slope has been comparatively analyzed with 2D and 3D FEM, it is showed that the length of surface load at top surface of slope shorted, the stability factor of slope of 3D model increased, which is far more than that of 2D model.
：Journal of Geotechnical and Geoenvironmental Engineering, Vol. 124 (1998), p. 1049
[2] WANG Chun-lei, GUAN Feng-jv, HAN Hui-xun: Journal of Railway Engineering Society, Vol. 2 (2010), p.49.
(in Chinese) [5] LUAN Mao-tain, WU Ya-jun, NIAN Ting-kai: Journal of Disaster Prevention and Mitigation Engineering, Vol. 3(2003), p.1.
[7] Chai J C, Miura N, Bergado DT, Long P V: Geotechnical Engineering, Vol. 2(1997), p.249.

A Study on Characteristics of Microstructures and Orientations of UFG Materials Prepared by SPD Shi Qingnan1,a, Chen Yongjin2,b, Wang Junli3,c 1Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, PRC 2Faculty of Architecture and Civil Engineering, Kunming University of Science and Technology, Kunming 650093, PRC 3Research Center for Analysis and Measurement, Kunming University of Science and Technology, Kunming 650093, PRC a shikust@vip.163.com, b cyjkm00@163.com, c junliwangli@yahoo.com.cn Keywords: Sever plastic deformation, UFG materials, microstructure, orientation Abstract: In the paper, the study was conducted on the characteristics of microstructures and orientations of UFG pure copper and 6061 aluminum alloy prepared by AARB, ECAP and CECC severe plastic deformation processes, in which SEM, TEM, EBSD and X-ray diffraction techniques were employed.
Choi, etal:Materials Science and Engineering A, Vol.520 (2009) :23 [5] N Tsuiji, Y Saito, S H Lee, et al:Advanced Engineering Materials,Vol. 5(2003) :338 [6] J Hirsch, K Lűcke:Acta Metal, Vol.36 (1988): 2863 [7] W.
Wei, G Chen:Journal of Mechanical Engineering,Vol.7,(2002) :1 [8] Q.N.

Sensitivity Analysis for the Stiffened Plate Structure System with Crack Defects Weiguang A n a , Hai Anb, Xianghua Song College of Aerospace and Civil Engineering; Harbin Engineering University; Harbin 150001; Heilongjiang; China; aanweiguang@hrbeu.edu.cn, b anhai@hrbeu.edu.cn Key words: reliability analysis; crack defects; stiffened plate; reverse node forces ; sensitivity analysis Abstract.
Introduction The problem of reliability evaluation for the structure with crack defects has been a hot topic all the time in engineering.
It plays an important role to evaluate the reliability of the structure with defects in engineering, which will affect structure safety forecast, decision-making of maintenance and renewing.
Harbin Engineering University Press, Harbin (2005), in press

Stability Analyses of a Moving Rectangular Plate by the Element Free Galerkin Method Yan Wang Zhongmin Wang School of civil engineering and architecture, Xi’an University of Technology, Xi’an 710048, China wyaiyh@163.com Keywords: moving plate, stability, element free Galerkin method.
Mote, Vibration of wide band saw blades , ASME Journal of Engineering for Industry. 104 (1982) 71-78
Lu, L.Gu, Element-free Galerkin methods, International Journal for Numerical Methods in Engineering. 37(1994) 229-256
Meshless methods: An overview and recent developments, Computer Methods in Applied Mechanics and Engineering. 139(1996) 3-47
A new implementationI of the Element free Galerkin method, Computer Methods in Applied Mechanics and Engineering. 113 (1994) 397-414.

Damping integrated technology in three concentric circles stereoscopic applications on steel arch truss PengYu Li 1,a, ZhiChang Gao1,b 1 Department of Civil Engineering, Taiyuan University of Technology79, Yingzexi Street, Taiyuan, 030024, China abourne.tud@gmail.com, b295928853@qq.com Keywords: Three Hearts circular steel arch truss, rubber bearings, viscous dampers, shock absorber technology integration Abstract.
By software SAP2000 structure analysis, the establishment of a 60m span three heart round space calculation model of steel tube arch truss, and the reality of utility engineering and seismic evacuation, viscous dampers, lead rubber bearing as the paper in the analysis of energy dissipation damping device.
Journal of structural engineering, ASCE.118(5), 1375～1392
Passive Energy dissipation system in structural engineering.
National Center for Earthquake Engineering Research, Buffalo, NY, 1995, 3

Numerical Simulation of Pressure difference about Curve Ball in flight Xue Zhang1,a, Heming Cheng1,b and Jianyun Li1,c, Siqing Zhou1,d and Tiexin Yang1,e 1Faculty of Civil Engineering and Architecture, Kunming University of Science and Technology, Kunming 650500 China azhangxue1533@126.com, bchenghm650093@yahoo.com.cn, c1149381788@qq.com, d645629813@qq.com, e44501155@qq.com.
Engineering fluid mechanics, M.
Mechanics in Engineering,2008,30(3),112-115
Mechanics in Engineering, 2005,27
Fluent-Fluid simulation calculation of engineering examples and applications, M.

Study on the downburst field characteristics under the influence of two-dimensional continuous mountains at different distance Yi Sun1, a, Yuanze Wu1, Haitao Shi1, Baifeng Ji2 1 School of Civil Engineering and Architecture, Wuhan University of Technology Wuhan, China, 430070 2 Hubei Key Laboratory of Roadway Bridge &Structure Engineering, Wuhan University of Technology Wuhan, China, 430070 a274118038@qq.com Keywords: downburst; wind field characteristics; continuous mountains; CFD numerical simulation; Abstract.
Downburst shave great destructiveness for engineering structures in many countries, including Australia, America, South Africa, Japan and any other countries around the world[3].
Whitingham [4] found the importance of downburst in the extreme wind in Australia in 1960s,and Melbourne [5] proposed that we should take downburst into wind engineering and structural design consideration.
Modeling of extreme thunderstorm winds for wind loading of structures and risk assessment[C].Proceedings, 10th International Conference on Wind Engineering, Copenhagen, Denmark, 1999:1409-1415

The Conservation Laws and Path-independent Integrals for Piezo-magnetic Media SONG Haiyan1, a, ZHOU Jiansheng1, b, LIU Zongmin1, c 1 College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China a shyivg@yahoo.com.cn, b zhoujiansheng@hrbeu.edu.cn , c lzm1976@yahoo.com.cn Keywords: conservation laws, path-independent integrals, piezo-magnetic media Abstract.
[10] Song Haiyan, Li Haibo, Liang Lifu and Zhou Zhengong Structure & Environment Engineering, 2010, 37(2), pp.8-16
[11] Song Hai-Yan, Zhou Zhen-Gong, Liang Li-Fu and Liu Zong-Min: Key Engineering Materials, 2010, Vols.419-420, pp:153-156
[12] Song Haiyan, Liang Lifu and Zhou Zhengong: Journal of Harbin Engineering University, 2011, 32(1), pp:33-37.

Introduction Rigid earth retaining wall structures are common civil engineering infrastructure but may be vulnerable to catastrophic failure during earthquakes.
EPS density can be a useful index property because the relevant mechanical engineering properties of EPS correlate well with density.
:Soil Dynamics and Earthquake Engineering, 27:4 (2007), p.324
:Soil Dynamics and Earthquake Engineering, 27:4(2007), p.344
:Geotechnical Earthquake Engineering (Prentice-Hall press, USA 1996)