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Acknowledgements This work is supported by Innovation Research Group Foundation of National Natural Science Foundation Committee（No.50721003）,National Natural Science Foundation of China National Natural Science Foundation Council（51075405）,Hunan Education Department Research Project（10C0418）,Changsha Science and Technology Plan（K0802130-11）and Changsha University Scientific Research Projects（CDJJ-09010207） References [1] Liu Yu: Powder Metallurgy Materials Science and Engineering, 2010, 15 (5):427-432 [2] Zhang Jianguang, Li Yimin, Liu Yu: Powder Metallurgy Materials Science and Engineering, 2009, 14 (2): 89-95 [3] T.
Aizawa, Kihara: Advances in powder metallurgy and particular materials, 1996, 5(2): 19-20 [4] Wang Anlin: Shanghai Jiao Tong University, 2005, 39 (5) :790-794 [5] Wei Qun:The numerical methods and the procedures of the basic principles of discrete element method.
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Applied Mechanics and Materials, Volume411-414, pp. 152-155, 2013 [2] Hao Xu, Liang Feng Sun, Mi Zou, An Ning Meng: A Survey of Scientific Metadata Schema.
Applied Mechanics and Materials, Volume411-414, pp. 349-352, 2013 [3] Hao Xu: Semantic Relationships of Scientific Discourses.
Applied Mechanics and Materials, Volume411-414, pp. 380-384, 2013 [4] Hao Xu, Yu Tao Bie: Social JLU: Towards Building Social Learning Networks.
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Finite Element Analysis of Two Wheels Scooter Based on Solidworks Zhidong Huang1, a *, Yunpu Du1,b , Liang Zhao1,c , Kegang Zhu1,d , Hong Ji1,e and Rensheng Wang1,f 1Dept. of Mechanical Engineering, Liaoning Institute of Science and Technology, Benxi, Liaoning, 117004, China ahzdstarcraft@126.com, bduyunpu@163.com, czlxh1010@163.com, d873018543@qq.com, e674806236@qq.com, f46668645@qq.com Keywords: scooter, finite element analysis, stress analysis, telescopic mechanism of bar Abstract.
Material Properties.
The material of two wheels scooter is alloy steel and the material properties are listed in Table.1.
Table 1 The material properties.
Li: Journal of Hubei Polytechnic University Vol. 29 (2013), p. 13-16 (In Chinese) [2] T.X.

Stöver," Mechanical Behavior of NiTi parts prepared by powder metallurgical methods" Materials Science and Engineering A 378 (2004) p 185 [6] M.
Stöver," Powder metallurgical fabrication processes for NiTi shape memory alloy parts" Materials Science and Engineering, A 337, 2002, p 254 [7] M S.Yong et all "Solid state synthesis of nanocrystalline and/or amorphous 50Ni-50 Ti alloy" Materials Science Engineering A 392, 2005, p 222 [8] M.
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Suryanarayana "Mechanical Alloying and Milling" Review, Progress in Materials Science 46, 2001

Material properties.
According to the data provided by material manufacturers, the tensile strength and elastic modulus of CFRP sheet are 3000MPa and 235GPa, respectively.
Acknowledgement The authors are grateful for the support of the Natural Science Foundation of Hebei Province (E2007000063).
Journal of Wuhan University of Hydraulic and Electric Engineering, 2002, 35(4), “In Chinese”
China civil engineering journal, 2005, 38(8), “In Chinese”

Acknowledgements This work was financially supported by the Natural Science Foundation(51175482) and the Graduate Innovation Project in Shanxi Province(20133099).
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Journal of Hydraulic Engineering,2013,44(7):810～816

In order to simplify the calculation, the culvert materials use linear elastic model, and the soil material use the corrected Drucker-Prager model.
Investigation of the vertical earth pressure on projecting conduit and underground chamber under a high embankment [J].Chinese Journal of Geotechnical Engineering,1981, 3(1):3–15
China Civil Engineering Journal,1982,(03) [6] She Xuesen.
Journal of Chongqing Jiaotong University,1992,(02) [7] FAN He, NING Bao-kuan, LIU Bin.
Journal of Northeastern University(Natural Science), 2008,(12): 1782-1786

Hren, Simulation on vibratory roller – soil interaction, International Journal Advanced Engineering (1846-5900) (2008) 137-146
Peterson, Intelligent soil compaction technology: results and a roadmap toward widespread use, Transportation Research Record, Journal of the Transportation Research Board 1975 (1) (2006) 81-88
Poppy, Simulation of soil compaction with vibratory rollers, Journal of Terramechanics 29 (6) (1992) 585-597
Adam, Comparison of constitutive soil models for the simulation of dynamic roller compaction, European Congress on Computational Methods in Applied Sciences and Engineering, J.
Bejan, Rheological models of the materials for the road system in the compaction process, Romanian Journal of Acoustics & Vibration, 11 (2) (2014) 167-171

The conference scopes included but were not limited to: linear machine design and analysis, linear motor drive systems and control, actuators, maglev linear systems, linear motor applications, renewable energies associated with linear machines, and high-speed or low-speed/high-torque rotary machines and drives, etc. 4 keynote speeches were delivered by outstanding researchers, and 1248 papers were accepted for presentation at the conference, of which 386 papers are published by TTP, in Applied Mechanics and Materials (AMM) Journal (ISSN: 1660-9336).
Moreover, it was supported by the Natural Science Foundation of China (NSFC).
Shi, Chinese Academy of Sciences, China Y.Y.
Parsa, Rensselaer Polytechnic Institute, USA Chenglin Gu, Huazhong University of Science and Technology, China Liucheng Jiao, Zhengzhou University, China Nengqiang Jin, Chinese Academy of Sciences, China Guangyou Li, Shandong University, China Deliang Liang, Xi'an Jiaotong University, China Guobin Lin, National Maglev Traffic Engineering Technology Research Center,China Mingyao Lin, Southeast University, China Shiying Yuan, Henan Polytechnic University,China Fengge Zhang, Shenyang University of Technology, China Rongxiang Zhao, Zhejiang University, China Zhengming Zhao, Tsinghua University, China Libin Zhou, Huazhong University of Science and Technology, China Jibin Zou, Harbin Institute of Technology, China LDIA 2013 Reviewers Baodong Bai, Shenyang University of Technology, China Baoquan Kou, Harbin Institute of Technology, China Chengzhi Fan, Zhejiang University, China Chenglin Gu, Huazhong University of Science and Technology, China Dan Sun,
Shi, Chinese Academy of Sciences, China Longya Xu, Ohio State University, USA Libin Zhou, Huazhong University of Science and Technology, China Liucheng Jiao ,Zhengzhou University, China Liang Guo, Zhejiang Sci-Tech University, China Ming Cheng, Southeast university, China Mingyao Lin, Southeast University, China M.C.Tsai, National Cheng Kung University, Taiwan Nengqiang Jin ,Chinese Academy of Sciences, China Ping Zheng, Harbin Institute of Technology, China Qinfen Lu, Zhejiang University, China Rongxiang Zhao, Zhejiang University, China Shiying Yuan, Henan Polytechnic University, China Shuhong Wang, Taiyuan University of Technology, China W.N.

Such materials are called electro chromic materials.
These advantages make it become a widely used electro chromic materials[1-4].
In which, composite materials composed of WO3 and polymer is more promising.
Research progress in electrochromic materials and devices [J].
Influence of Preparation Process on the WO3 Electrochromic film [J], (In Chinese) Function and Materials Journal, Vol.18 No.2(2012)：p.165-171 [18] Z.