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Discrete element modelling of rock cutting processes interaction with evaluation of tool wear

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Rojek, Jerzy
Oñate Ibáñez de Navarra, EugenioMés informacióMés informacióMés informació
Zárate Araiza, José FranciscoMés informacióMés informacióMés informació
Recarey Morfa, Carlos Alexander
Document typeBook
Defense date2003
PublisherInternational Centre for Numerical Methods in Engineering (CIMNE)
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
The document presents a numerical model of rocks and soils using spherical Discrete Elements, also called Distinct Elements. The motion of spherical elements is described by means of equations of rigid body dynamics. Explicit integration in time yields high computational efficiency. Spherical elements interact among one another with contact forces, both in normal and tangential directions. Efficient contact search scheme based on the octree structures has been implemented. Special constitutive model of contact interface taking into account cohesion forces allows us to model fracture and decohesion of materials. Numerical simulation predicts wear of rock cutting tools. The developed numerical algorithm of wear evaluation allows us us to predict evolution of the shape of the tool caused by wear. Results of numerical simulation are validated by comparison with experimental data.
CitationRojek, J. [et al.]. "Discrete element modelling of rock cutting processes interaction with evaluation of tool wear". Barcelona: International Centre for Numerical Methods in Engineering (CIMNE), 2003. ISBN 84-95999-44-7. 
URIhttp://hdl.handle.net/2117/188710
ISBN84-95999-44-7
Publisher versionhttps://books.cimne.com/shop/discrete-element-modelling-of-rock-cutting-processes-interaction-with-evaluation-of-tool-wear/
Other identifiershttps://www.scipedia.com/public/Rojek_et_al_2003a
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  • (MC)2 - Grup de Mecànica Computacional en Medis Continus - Llibres [59]
  • DECA - Grup de Recerca del Departament d'Enginyeria Civil i Ambiental - Llibres [25]
  • GMNE - Grup de Mètodes Numèrics en Enginyeria - Llibres [34]
  • Departament d'Enginyeria Civil i Ambiental - Llibres [74]
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