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Acknowledgements The present work was sponsored by the Natural Science Foundation of Shandong Province (No.
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A Simple Method of Coarse Aggregate Generation Based on PFC2d Yutian Kong1,a, Juan Wang1,b, Zongkun Li1,c and Lihong Zhang2,d 1 College of Water Conservancy and Environment Engineering, Zhengzhou University, Zhengzhou 450001, China 2State Key Laboratory of Hydro-science and Engineering, Tsinghua University, Beijing, China akongyutiansky@163.com, bwangjuan@zzu.edu.cn, clizongkun@zzu.edu.cn, dlh-zhang08@mails.thu.edu.cn Keywords: meso-mechanics; random aggregate model; circular aggregate; PFC2d; concrete.
International Journal of Solids and Structures, 5 (2011)
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However, the greatest clogging problems are caused by the presence of suspended materials, such as silt, algae, etc [3].
Filtration is defined as the separation of solid materials by using their physical properties and proper filtration that extracts clean water.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (50909062).
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But from the view of manufacturing science, the fabrication conditions for fiber couplers have never been analyzed thermodynamically.
Fiberglass is a thermal rheological material, whose stress-strain is not only related with time, but also related with temperature, and obeys time-temperature equivalent principle.
Acknowledge The research is supported by the program of the national science foundation of China (50605063 and 50875267).
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Wang: Journal of Zibo University (Nat.
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The result was how to send the enough relief supplies to earthquake disaster relief materials distribution center in the shortest possible time.
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The part work is supported by Science & Technology Innovation Foundation of Ministry of Science & Technology for Small-Medium Enterprises (No. 12C26245116128 & No. 12C26215116103).
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Acknowledgements This paper condenses the efforts and wisdom of the colleagues from Jiangxi Traffic Science Research Institute, and sponsored by the project from the Innovation Centre.
Higher-order analysis of crack tip fields in elastic power law hardening materials.
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Acknowledgements The authors wish to acknowledge supports of National Natural Science Foundation of China (50975067), National S & T Major Project (2011ZX04002-111) and Education Department Project of Heilongjiang Province (11551z005).
Reis: International Journal of Materials and Product Technology Vol. 37( 2010), pp.46
Stroh: Journal of the Brazilian Society of Mechanical Sciences and Engineering Vol. 29 (2007), pp.313
Ozel: International Journal of Machine Tools and Manufacture, Vol. 48(2008), pp.195
[7] S.T.Lei: International Journal of Machine Tools and Manufacture, Vol. 42(2002), pp.653

The discrete element method was developed based on the principle of molecular dynamics by the American scholar Cundall PA in 1971, which is used to study the discrete particle materials.
[2] Jing Guoqing, Feng Kun, Gao Liang, Wang Jun: Journal of Southwest Jiaotong University, Vol.47, No.2, (2012), pp. 187-191
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