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Online since: October 2009
Authors: Felicia Stan
n K Ω ΓD ΓD ΓN gN K+ _ b1 + n_ 1 2 3 4 5 6 Kn b2 b3 Fig. 1.
For a bilinear law, if the cohesive zone is defined in terms of a non-dimensional displacement ( ) ( )22 // cs cn δδ+δδ=λ then the shear st and normal nt tractions are defined as follows:        ≤λ<λ      δ δ λ σ λ− λ− λ≤λ<      δ δ λ σ = 1 1 1 0 1 0 0 0 0 0 0 c s c s st ,        ≤λ<λ      δ δ λ σ λ− λ− λ≤λ<      δ δ λ σ = 1 1 1 0 1 0 0 0 0 0 0 c n c n nt (5) where nδ and tδ are the normal and tangential displacement jumps and are estimated by finite element analysis, δ=[u], 0σ is the maximum traction beyond which failure initiates, and δc is the critical opening displacement.
When the non-dimensional effective displacement λ is equal to 1, the traction reduced to zero.
References [1] A.
Hill: Tech. report LA-UR-73-479, Los Alamos National Laboratory, Los Alamos, New Mexico, USA (1973)
Online since: March 2011
Authors: D. Gao, Gang Wei Cui, L. Wang, Y.X. Yao
Wu : ASME, Journal of Engineering for industry, Vol.114 (1993) pp.472~479. ].
Fig. 1 shows the configuration of the Milling-Boring machine tool and the temperature sensor distribution.
T1—reducer T2—Y motor T3—Y ball screw T4—Y oil film T5—Z oil film T6—headstock T7—spindle bearing T8—spindle motor T9—X oil film T10—X motor T11—column upside T12—column downside T13—column backside T14—environment T15—environment Fig.1.
Table 1 gives the correlation coefficients between temperature variables and thermal errors.
Table 2 Correlation coefficients between temperature variables T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T14 T15 T1 1 .968 .956 .919 .920 .895 .993 .944 .939 .976 .885 .940 .933 T2 .968 1 .997 .986 .986 .974 .967 .995 .992 .998 .956 .989 .950 T3 .956 .997 1 .992 .993 .983 .952 .998 .995 .994 .960 .989 .946 T4 .919 .986 .992 1 .998 .995 .915 .996 .995 .978 .969 .989 .929 T5 .920 .986 .993 .998 1 .993 .916 .996 .995 .978 .965 .990 .927 T6 .895 .974 .983 .995 .993 1 .889 .987 .990 .963 .973 .980 .918 T7 .993 .967 .952 .915 .916 .889 1 .941 .937 .975 .883 .939 .930 T8 .944 .995 .998 .996 .996 .987 .941 1 .995 .991 .961 .992 .941 T9 .939 .992 .995 .995 .995 .990 .937 .995 1 .985 .969 .991 .935 T10 .976 .998 .994 .978 .978 .975 .975 .991 .985 1 .942 .982 .948 T11 .885 .956 .960 .969 .965 .883 .883 .961 .969 .942 1 .952 .897 T14 .940 .989 .989 .989 .990 .939 .939 .992 .991 .982 .952 1 .940 T15 .933 .950 .946 .929 .927 .939 .930 .941 .935 .948 .897 .940 1 Based on correlation coefficients, these
Online since: December 2010
Authors: Ting Li, Run Liang Dou
If =1, DMU is called effective; if<1, DUM is ineffective.
Obviously, this super efficiency is likely to be greater than 1[7].
The dada are listed as table 1.
REFERENCES [1] Chen Peng, Liu Zhifeng, Liu Guangfu.
Journal of Scientific & Industrial Research, 2008, 67(7): 479-485 [6] Sahin A, Boe M, Terpenny J, et al.
Online since: September 2013
Authors: Yu Guang Zhong, Yong Zhan, Hai Tao Zhu
(1) alternating path:an alternating path with respect to F is one whose edges are alternately in F and ( E-F )
Step 1. construct weighted bipartite graph G = [J∪M, E, W ] based on OSP problem; set Fopt = Φ.
Let the resultant list be denoted byψ={F 1, F 2, …, F m }, where D(F 1)≤ D(F 2)≤…≤D(Fm).
Table 1 Experiment results index Brucker’s B&B Sen’s GA The proposed algorithm Wc T4-1 193 193 213 1.10 T4-2 236 236 283 1.20 T4-3 271 271 290 1.07 T4-4 250 250 253 1.01 T4-5 295 295 312 1.06 T7-1 435 435 492 1.13 T7-2 446 446 542 1.22 T7-3 473 473 552 1.17 T7-4 463 463 598 1.29 T7-5 416 416 479 1.15 T10-1 649 649 754 1.16 T10-2 594 594 716 1.21 T10-3 614 614 759 1.24 T10-4 578 578 772 1.34 T10-5 652 652 754 1.16 Acknowledgement The research is supported by the National Natural Science Foundation, China (No. 51275104), and the Fundamental Research Funds for the Central Universities, China (No.
References [1] Matta M E: Computers & Operations Research.
Online since: June 2013
Authors: Jie Huang, Kai Chai, Hao Chen, Mei Jun Zhang
Specific steps is (1)threshold noise by improved EEMD
(1)Improve EEMD decomposed9Dnormalized energy is for characteristic vector that is 8 d IMF component C1 ~ C8 and 1 d surplus R.
References [1] Hwi Li,Xiaofeng Liu and Lin Bo.
Advances in Adaptive Data Analysis, Vol.1(2009),p1-41 [4] M.J.
Journal of Advanced Materials Research.Vol. 479-481(2012) , p1180-1185 [5] W.S.Su, F.T.Wang,ets..Journal of Vibration and Shock,In Chinese.
Online since: January 2005
Authors: Kyu Hwan Oh, Woong Ho Bang, Young Pyo Kim, Y.K. Lee, M.W. Moon, Woo Sik Kim
Lee 1,a, Y.P.
Moon 1,c, W.H.
Bang 1,d, K.H.
Oh 1,e , W.
Li Metals and Materials International, Vol. 8, No. 5 p. 479 [5] J.
Online since: October 2012
Authors: Marlena Rajczyk, Zbigniew Respondek
Test results The results are presented in Table 1.
Table 1.
Deflection results of a 4-16-4 mm glazing unit Time, days Atmospheric pressure [kPa] Air temperature [0C ] pa/T, [hPa/K] Deflection at measuring points [mm] Average deflection in the middle G1 G2 D1 D2 0,000 99,5 18 0,3417 0 0 0 0 0,000 0,479 99,4 18 0,3414 -0,02 0 -0,01 0 -0,015 0,917 99,0 19 0,3389 0,09 0,02 0,08 0 0,085 1,604 99,1 18 0,3404 0,04 0,02 0,05 0 0,045 1,979 99,2 17 0,3419 0 0,02 0,01 0 0,005 2,396 99,3 16 0,3434 -0,12 0,02 -0,07 0 -0,095 2,750 99,2 17 0,3419 -0,05 0,02 -0,01 0 -0,030 3,000 99,25 14,5 0,3450 -0,16 0,02 -0,1 0 -0,130 3,375 99,2 15 0,3443 -0,15 0,02 -0,09 0 -0,120 3,813 99,4 17 0,3426 -0,06 0,02 -0,01 0 -0,035 4,000 99,4 14 0,3462 -0,22 0,02 -0,14 0 -0,180 4,125 99,3 12,5 0,3476 -0,28 0,02 -0,19 0 -0,235 4,458 99,4 16 0,3438 -0,15 0,02 -0,07 0 -0,110 4,792 99,15 19 0,3394 0,07 0,04 0,08 0 0,075 4,958 99,1 17 0,3415 0,12 0,03 0,02 0 0,070 5,417 99,0 18 0,3400 0,06 0,04 0,06 0 0,060 6,583 99,2 19 0,3396 0,11 0,04 0,13 0 0,120 7,000 99,3 17 0,3422 0 0,04 0,01
References [1] Z.
Feldmeier: Obciążenia temperaturowe zespolonych szyb izolacyjnych, Świat Szkła Vol. 6 (1997) cz. 1, Vol. 1 (1998) cz. 2
Online since: February 2018
Authors: Bidyut B. Gogoi
Fig. 1.
Fig. 1(b) and Fig. 1(c) shows square lattices of types D2Q9 and D2Q5 respectively.
Therefore, for a node given by 0≤ i≤(Nx + 1) and 0≤ j≤(Ny + 1), we choose the internal fluid nodes as 1≤i≤Nx and 1≤j≤Ny and the nodes i = 0, i = (Nx + 1), j = 0, and j = (Ny + 1) as external nodes that can be used as storage cells for the outgoing distribution functions during the advection step.
References [1] U.
Lett., 17(6) (1992), 479-484
Online since: May 2010
Authors: Wei Jie Dong, Meng Wei Liu, Cui Yan
Fig. 1.
Table 1.
Three typical pictures of sample #1 are shown in Fig. 6.
References [1] S.C.
Journal of Microelectromechanical Systems, 11(5) (2002), pp. 479-488
Online since: October 2010
Authors: Chuan Sheng Zhu, Ling Na Zhang, Xu Dong Zu, Zheng Xiang Huang
In the model of the numerical simulation, the coordinate was chose like the figure 1 showed, and the gauges points were chose like the picture 1 showed.
Mass efficiency efficiencies coefficient noted k, is defined as follows: (1) Fig.1.
Table 1 lists these materials their properties.
TABLE 1.
References 1.
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