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1.  Numerical simulation of granite sawing by discrete element method
Ye, Yong (Province Key Lab of Stone Machining, Huaqiao University, Quanzhou, Fujian Province, China); Li, Yuan; Xu, Xipeng Source: Applied Mechanics and Materials, v 16-19, p 1283-1288, 2009, e-Engineering and Digital Enterprise Technology VII
Database: Compendex
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2Â¥2010-06-04 14:37:26
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Accession number:  20100312636593

Title:  Numerical simulation of granite sawing by discrete element method
5Â¥2010-10-07 17:40:50
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Accession number:  20100312636593

Title:  Numerical simulation of granite sawing by discrete element method

Authors:  Ye, Yong1 ; Li, Yuan1 ; Xu, Xipeng1  

Author affiliation:  1  Province Key Lab of Stone Machining, Huaqiao University, Quanzhou, Fujian Province, China


Corresponding author:  Ye, Y. (yeyong@hqu.edu.cn)  

Source title:  Applied Mechanics and Materials

Abbreviated source title:  Appl. Mech. Mater.

Volume:  16-19

Monograph title:  e-Engineering and Digital Enterprise Technology VII

Issue date:  2009

Publication year:  2009

Pages:  1283-1288

Language:  English

ISSN:  16609336

ISBN-10:  0878492992

ISBN-13:  9780878492992

Document type:  Conference article (CA)

Conference name:  7th International Conference on e-Engineering and Digital Enterprise Technology

Conference date:  September 3, 2009 - September 5, 2009

Conference location:  Shenyang, China

Conference code:  79110

Sponsor:  Chinese Mechanical Engineering Society; National Natural Science Foundation of China; Brunel University in UK; Northeastern University in China

Publisher:  Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany

Abstract:  Granite is a kind of typical discrete material, which experiences from continuous deformation stage, discontinuous deformation stage to fracture stage under sawing forces. Using discrete element method (DEM) to study the process of sawing granite will help us to understand the removal mechanism of granite from the microscopic point of view. In this paper, numerical uniaxial compression and three-point bending tests were conducted to determine the microscopic parameters of the granite specimen firstly, and then simulation was performed for sawing of the specimen. The sawing process, deformation characteristics of granite and the effect of initiation and propagation of cracks on fracture process of granite were investigated. The emphasis was laid on analyzing the variation of sawing forces under different sawing parameters. The simulation results agree well with that of experiments, indicating that DEM can reflect the external macroscopic change of granite by changing the internal microscopic structure. The conclusions in this study would be useful to the modeling of sawing processes and engineering applications.

Number of references:  9

Main heading:  Sawing

Controlled terms:  Bending tests  -  Computer simulation  -  Deformation  -  Fracture  -  Granite

Uncontrolled terms:  Circular sawing  -  Deformation Characteristics  -  Deformation stages  -  Discontinuous deformation  -  Discrete element method  -  Discrete material  -  Engineering applications  -  Fracture process  -  Fracture stages  -  Initiation and propagation   -  Microscopic parameter  -  Microscopic points  -  Microscopic structures  -  Numerical simulation  -  Removal mechanism  -  Sawing process  -  Simulation result  -  Three-point bending test  -  Uni-axial compression

Classification code:  811.2 Wood and Wood Products  -  723.5 Computer Applications  -  604.1 Metal Cutting  -  951 Materials Science  -  481.1.2 Petrology (Before , use code )  -  422 Strength of Building Materials; Test Equipment and Methods  -  421 Strength of Building Materials; Mechanical Properties  -  481.1 Geology

DOI:  10.4028/www.scientific.net/AMM.16-19.1283

Database:  Compendex

   Compilation and indexing terms, © 2010 Elsevier Inc.
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