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Theoretical values were based on the on the material properties of the system considered in this work.
College of Engineering Sciences, Arizona State University. 1967
Journal of Guidance, Control and Dynamics, 620-627. 1977

So in the global coordinate system, the magnetic field density B at a arbitrary point in the space by the magnetic dipole is: B The simulation model of the cylindrical permanent magnet based on Ansoft The simulation model is shown in Fig.2, the parameters of the cylindrical permanent magnet are shown in Table 1, Here H is its height, R is its radius, Hc is its coercive force, S is the electrical conductivity, Br is the remanence. its material is NdFeB, the size of the solving area is defined, which is filled with vacuum, and the magnetization direction is Z axis.
Acknowledgements This research is financially Supported by State Key Laboratory of Robotics and System (HIT)（SKLRS-2012-MS-03, the Ram City scholars project of Guangzhou bureau(10B009G) and and the science and technology plan project of Panyu, Guangzhou（2012-Z-03-64).
Journal of System Simulation，21(2009),p.5919-5922 in Chinese [7] Zhang Wei，Theoretical and Experimental Study on Driving and Controlling a Capsule MEMs by an Outer Magnetic Field, edtied by School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou(2007) in Chinese [8] Zhao Bo,Zhang Hongliang.

Simulation model work including finite element dividing of structure, material definition, simulation parameters settings, boundary and collision setting, and load exerted, are all finished in ANSYS.
[2] Xiaoting Rui, Yuqi Lu: Journal of Ballistics,Vol.12(2000), p12, in Chinese
[7] Jinze Bai: LS-DYNA 3D Theory and Case Analysis (Science Press, China 2005), in Chinese.

The material is Q235 steel with yield strength of 235MPa, density of 7800 kg/m3, Young’s modulus of 2.06×1011N/mm2 and Poisson’s ratio of 0.3.
Journal of Zhengzhou University (Engineering Science), 3 (2008) 99-102

For their discrete characteristics in production process, before the needs be well met, there will be numerous preprocessing data need to be described: information of product feature, machining and technology information, production planning data, information of product material etc.
Cao: China Economist, Vol. 2 (2000), p. 157-158 [3] Tomi Hussi: Journal of Knowledge Management, Vol. 8 (2000), p. 36-52 [4] J.W.
Xu: Information Science, Vol. 22 (2004), p. 653-566

Analysis of TBM Tunnel Behavior in Jointed Rock Mass SUN Jin Shan1,a, Guo Hong Jun2,b , Lu Wen Bo3,c, Jiang Qing Hui2,d 1Engineering Research Center of Rock-Soil Drilling & Excavation and Protection, Ministry of Education, China University of Geosciences(Wuhan), Wuhan, 430074, China 2Chang Jiang Institute of Survey Planning Design & Research, Wuhan, 430010, China 3State Key Laboratory of Water Resource and Hydropower Engineering Science, Wuhan University, Wuhan, 430072, China asun99001@126.com, bhollyghj@126.com, cwblu@whu.edu.cn, djqh1972@yahoo.com.cn Keywords: TBM; Tunnel; jointed rock mass; numerical simulation; stress and deformation Abstract.
The tunnel is simulated as a tube without considering the segment joints, and the thickness of the lining is 35cm.The ideal elastic material model is adopted to simulate the concrete segment linings.
Elasto-plastic Analysis of Circular Tunnels in Jointed Rock Masses Satisfy the Hoek-Brown Failure Criterion, Journal of China Univ.

Wear of pick in soft and hard interbedded formation In the process of cutting rocks, picks bear high periodic compressive stress, shearing stress and impact load, and its temperature rises quickly due to friction and impact action, leading to softening of body material and accelerating failure of pick.
Coal Science and Technology, 2012,40(1):92-94,121.
[J] JOURNAL OF CHINA COAL SOCIETY,2009

Structure diagrams of the dam after reinforcement Finite Element Model and Boundary Conditions According to material properties and dam partition, finite element analysis model is established; Following is the range of finite element model: X direction is taken as perpendicular to the dam axis, Z direction takes coordinates for elevation.
Journal of North China Institute of Water Conservancy and Hydroelectric Power. 2011, 32(4) [4] Qiang Hu, Chengxue She.
Seepage Stability Evaluation for Dams of Fuhuashan Reservoir; Management and Service Science, 2009.

It seems that the most positively influential variables are distance between legs and width of the p-type material.
IEE Proceedings: Science, Measurement & Technology, vol. 151, no. 6, pp. 499-502 (2004) [2] E.
Int Journal of Design Engineering, Special Issue: Evolutionary Computing for Engineering Design.

Table 1 Factors, factor levels and the degree of membership impact factor factor level degree of membership 1 2 3 4 5 1 2 3 4 5 m1 design level highest higher normal lower lowest 0.8 1.0 0.5 0 0 m2 manufacturing level highest higher normal lower lowest 0.8 1.0 0.5 0 0 m3 material quality best better normal worse worst 0.75 1.0 0.5 0 0 m4 Using conditions best better normal worse worst 0 0 0.5 0.8 1 m5 importance not impor- tant less impor- tant normal more important most important 0 0 0.5 0.9 1 m6 aintenance cost little less normal larger largest 0 0 0.5 0.1 1 Determine the alternative sets.
Acknowledgement This work was supported by the Key Program of National Natural Science Foundation of China(No.60939003,50805032),and the National High Technology Research and Development Key Program of China(No.2009AA043404) ,and Scientific Research Fund of Heilongjiang Provincial Education Department(No.12511124).
International Journal of Intelligent Systems. 1994,(9):261~268 [3] Peng, X.