Smoothed Particle Finite-Element Method for Large-Deformation Problems in Geomechanics | International Journal of Geomechanics | Vol 18, No 4

Smoothed Particle Finite-Element Method for Large-Deformation Problems in Geomechanics ... "Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method." Comput. Mech., 52(), 607–629. Crossref Google Scholar "A ...

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carlos labra | University of Edinburgh - Academia.edu

The paper presents prediction of wear of roadheader picks using numerical simulations. Estimation of wear has been included into the numerical model of rock cutting based on the discrete element method. The amount of wear is calculated using the classical ...

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Extended life tools for extreme drilling and coring operations on complex rock materials. - European Commission

Although the cutting tests take a long time and expensive processes, the tool forces obtained from the tests can be used as an input ... semi-empirical and empirical models can be used for tool force estimation in the absence of a rock-cutting rig. Tool-rock ...

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Application of fuzzy methods in tunnelling

parameters of the boring machine and the cutting tools, effect of disk tool wear on the TBM cutterhead), 3. ... Application of fuzzy methods in tunnelling 200 Tab. 2. Brief description of 27 geological sections and percentage of monitored data 1 ...

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Finite element modelling of rock mass cutting by cutters for PDC drill bits - ScienceDirect

Finite element modelling of rock mass cutting by cutters for PDC drill bits Author links open overlay panel T O Pryhorovska S S Chaplinskiy ...

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The Particle Finite Element Method (PFEM) in thermo-mechanical problems

"Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method", Computational Mechanics, 52, 607-629, (2013). Title Instructions how to Prepare a One Page Abstract for the European Congress on Computational ...

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Primary raw materials (1986-89) VOLUME 2 - Archive of European Integration

THE INFLUENCE OF ROCK PROPERTIES ON THE EFFICIENCY OF MECHANIZED MINING WITH REFERENCE TO HARD ROCK CUTTING Project Leader: H. SELLAMI Paris School of Mines, Franco J.A. Hudson Imperial College of Science and Technology ...

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Three-dimensional alpha shapes - Association for Computing Machinery

Josep Maria Carbonell, Eugenio Oñate, Benjamín Suárez, Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method, Computational Mechanics, v.52 n.3, p.607-629, September 2013 ...

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DISCRETE ELEMENT SIMULATION OF ROCK CUTTING WITH EVALUATION OF TOOL WEAR

DISCRETE ELEMENT SIMULATION OF ROCK CUTTING WITH EVALUATION OF TOOL WEAR Jerzy Rojeklo Carlos Lnbrnz,Eugenio Ofiate2 I Institute of Fundamental Technological Research, Polish Acgdemy of Sciences, Warsaw, Poland ...

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Carlos Labra | The University of Edinburgh, Edinburgh | UoE | Institute for Infrastructure and Environment (IIE) | ResearchGate

This paper presents advanced computer simulation of rock cutting process typical for excavation works in civil engineering. Theoretical formulation of the hybrid discrete/finite element model has been presented. The discrete and finite element methods have been ...

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Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method | SpringerLink

Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method Authors Authors and affiliations Josep Maria Carbonell Eugenio Oñate Email author Benjamín Suárez ...

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Modelling of tunnelling processes and rock cutting tool wear with the particle f

Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method Authors: Carbonell, Josep Maria; Oñate, Eugenio; ...

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DEMPack - Mathematical software - swMATH

Carbonell, Josep Maria; Oñate, Eugenio; Suárez, Benjamín: Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method (2013) Zang ...

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Three-dimensional alpha shapes - Association for Computing Machinery

... Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method, Computational Mechanics, v.52 n.3, p.607-629, September 2013 ...

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Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method

Comput Mech (2013) 52:607–629 DOI 10.1007/s00466-013-0835-x ORIGINAL PAPER Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method Josep Maria Carbonell · Eugenio Oñate · Benjamín Suárez Received: 1 June ...

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Wear on construction tunnelling machines - Konference STČ

Wear on construction tunnelling machines Ing. Jan Prajer Supervisor: Prof. Ing. Jan Suchánek, Csc. Abstract ... Under term "rock abrasion" [4] we understand ability of the rock damaged the working tool by wear, in this case, the cutting discs and knifes ...

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Discrete Element Method - CIMNE

Discrete element simulation of rock cutting with evaluation of tool wear DEM5 - 5th International Conference in on Discrete Element Methods August 2010, London, UK. ...

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Hard rock tunnel boring, cutting, drilling and blasting: rock parameters for excavatability

Thuro, K., Plinninger, R.J., Hard rock tunnel boring, cutting, drilling and blasting: rock parameters for excavatability 1228 ISRM 2003 – TECHNOLOGY ROADMAP FOR ROCK MECHANICS In the first interaction, the excavation performance is influenced by the ...

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Advances In Discrete Element Modelling Of Underground Excavations

The paper presents advances in the discrete element modelling of underground excavation processes extending modelling possibilities as well as increasing computational efficiency. Efficient numerical models have been obtained using techniques of parallel ...

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Prediction and Classification of Tool Wear in Drill and Blast Tunnelling

For the investigation of tool wear processes the understanding of rock fragmentation by button bits is of crucial importance. The schemes presented in Figure 3 give an impression of how bit and rock mass are ...

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ABROCK - uibk.ac.at

Modelling of fracture propagation in anisotropic and inhomogeneous rock during rock drilling and cutting Tool wear in soil material Improvement of the knowledge of tool wear in soil material Analysis of the main influencing factors on tool wear Basic approach to a ...

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Analytical Modeling of Heat Transfer in Polycrystalline Diamond Compact Cutters in Rock Turning Processes | Journal of ...- ASME DC

Heat transfer phenomena at the rock–cutter interface are extremely significant since they affect the polycrystalline diamond compact (PDC) cutter's performance in rock cutting/drilling processes. The understanding of how temperature and heat flux responses in the ...

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Prediction of Wear of Roadheader Picks Using Numerical Simulations - Rojek - 2008 - Geomechanics and Tunnelling - Wiley Online Library

Numerical analysis yields the wear profile as well as the tool shape evolution due to wear. ... 3 Josep Maria Carbonell, Eugenio Oñate, Benjamín Suárez, Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method,, 2013, ...

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A particle finite element method for machining simulations | Springer for Research & Development

With regard to the cutting simulation it is found that only a sufficiently large number of particles (and thus a rather fine ... Suárez B (2013) Modelling of tunnelling processes and rock cutting tool wear with the particle finite element method. Comput Mech 52(3 4. ...

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Modelling of tunnelling processes and cutting tool wear with...

Modelling of tunnelling processes and cutting tool wear with the particle finite element method (PFEM) ... PFEM was initially applied to tool-rock in- teraction problems by Carbonell et al. [6, 7]. Later, Salazar et al. [48], extended that code to include Bingham . ...

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