Discrete element modeling of rock cutting

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August undefined, 2024

WebSep 1, 2011 · Discrete/Finite Element Modelling of Rock Cutting with a TBM Disc Cutter C. Labra, J. Rojek, E. Oñate Engineering Rock Mechanics and Rock Engineering 2016 … WebSep 15, 2004 · This paper deals with the numerical simulation of rock cutting laboratory tests using the discrete element method. The main objective is to provide a method for calibrating numerical DEM models of… Expand PDF Lattice Discrete Particle Modeling of Size Effect in Slab Scratch Tests Lina Han, M. Pathirage, A. Akono, G. Cusatis Physics …

Modeling and Investigation of the Velocity-Dependent Cutting …

WebApr 19, 2024 · It is concluded that the use of the interaction range coefficient can substantially provide more realistic simulations of the cutting process by capturing both the rock-cutting tool interaction and the failure mechanism. KEYWORDS: Rock cutting discrete element modelling fast Fourier transformation interaction range coefficient … WebMar 5, 2015 · It is well accepted that there is a transition of failure mode from ductile to brittle with increasing depth of cut during rock cutting process. Rock failure modes affect cutting efficiency, and knowledge of the failure transition is essential to the determination of optimum cutting parameters. arthur casas mesa

Discrete element modeling of tool‐rock interaction I: rock cutting

WebJul 24, 2024 · To investigate the influence mechanism of those factors on rock fragmentation, a series of linear cutting numerical tests were conducted using the discrete element method. Numerical models with different rock mechanical parameters were calibrated by changing the cohesion strength-to-tensile strength ratio of the linear parallel … WebFeb 20, 2024 · The purpose of this paper is to model the rate effect of cutting forces and determine influencing factors in the single-PDC cutting process. In this paper, a modified bonded-particle model (discrete element method, DEM) for rock in deep drilling environments is applied to the pressurized cutting process. WebJan 1, 2010 · Discrete Element Modeling Discrete element modeling of rock cutting usng crushable particles Authors: Jorge Alejandro Mendoza Baker Hughes Incorporated Isaac Gamwo National Energy... arthur danila

(PDF) Discrete Element Modelling of Rock Cutting - ResearchGate

Discrete element modeling of tool-rock interaction I: Rock cutting

WebThe ductile mode is associated with the development of a damage zone, whereas the brittle mode involves the growth of macrocracks. This is the first part of a series of two papers … WebMar 1, 2024 · Labra et al. [13] used the hybrid discrete/finite element model to study the cutting mechanism of the TBM disc cutter, and the simulation results are consistent with both experiments and ... banastra serbetliWebSep 1, 2013 · The ductile mode is associated with the development of a damage zone, whereas the brittle mode involves the growth of macrocracks. This is the first part of a … arthur dantchik sig

"WebDiscrete element Numerical modeling Rock cutting Fingerprint Dive into the research topics of 'Discrete element modeling of tool-rock interaction I: Rock cutting'. Together they form a unique fingerprint. Discrete Elements Mathematics Failure Mode Mathematics Cutting Force Mathematics Indentation Mathematics Inclination Mathematics " - Discrete element modeling of rock cutting

Discrete element modeling of rock cutting

WebSep 1, 2011 · Design and Optimization of Tunnel Boring Machines by Simulating the Cutting Rock Process using the Discrete Element Method. Roberto C. Medel-Morales, S. Botello-Rionda. Engineering. 2013. Nowadays there is a large number of tunneling projects in progress, mainly in Europe, both for roads and transport supplies. WebNov 19, 2024 · Abstract. For a long time, geomechanicians have used scratch tests to characterize the compressive behavior and hardness of rocks. In recent years, this test has regained popularity in the field of mechanics, especially after a series of publications that highlighted the potential capability of the scratch test to determine the fracture properties …

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WebSep 1, 2011 · The discrete element model of rock cutting is capable to represent correctly complexity of a rock cutting process. Quite a good qualitative and quantitative … WebFeb 8, 2024 · PFC is an analysis code of the particle system based on the discrete element method, which studies the mechanical properties and behavior of the medium from a meso level. The built-in parallel bond model (PBM) can better simulate the force transfer, damage accumulation and fracture of rock materials.

WebAug 21, 2024 · The discrete-element method (DEM) is a particle-based numerical method that can model a system’s mechanical behaviour composed of an assembly of discrete … WebJun 27, 2010 · This research employed the discrete element method [2], DEM, for modeling rock cutting in a setting similar to that of an advancing drilling PDC bit, while …

WebApr 15, 2014 · The numerical model of the tool-rock system allowing us to simulate a process of rock cutting as coupled thermomechanical problem has been developed within the framework of the discrete element method (DEM) employing spherical (in 3D) or cylindrical (in 2D) particles. WebJul 24, 2024 · To investigate the influence mechanism of those factors on rock fragmentation, a series of linear cutting numerical tests were conducted using the …

WebJan 1, 2011 · This paper presents numerical modelling of rock cutting processes. The model consists of a tool-rock system. 3D geometry is considered in the model. The rock is …

WebDiscrete element methods are relatively computationally intensive, which limits either the length of a simulation or the number of particles. Several DEM codes, as do molecular dynamics codes, take advantage of parallel processing capabilities (shared or distributed systems) to scale up the number of particles or length of the simulation. banasthali vidyapith banasthali rajasthanWebThe paper deals with a numerical analysis of rock cutting experiments using the discrete element method. The main objective of this research is to establish if the occurence of … banasthali vidyapith jaipurWebDec 7, 2024 · Abstract. Taking the MG2 55/250-BWD shearer as the research object and considering the influence of the rock on the working performance of the shearer, the shearer-coal-rock coupled discrete element model was established and its dynamic working process has been studied. The single-factor analysis method was used to study … banasthali vidyapith to jaipur distancehttp://d-scholarship.pitt.edu/19090/ arthur da dgWebThis study attempts to build a framework within the Discrete Element Method (DEM) to produce a reliable predictive tool in rock cutting applications, such that the cutting forces and fragmentation process are reasonably estimated. The study is limited to shallow depth cutting, often the mode of cutting involved in drilling operations. arthur dantchik ageWebFeb 1, 2024 · Discrete element method Stick-slip Rock cutting PDC cutter 1. Introduction The polycrystalline diamond compact (PDC) bit is presently one of the most widely used types of bit in oil and gas drilling. In drilling operations, PDC cutters are in direct contact with rocks at the well bottom. banasthali rajasthan wikiWebMar 5, 2015 · Discrete element modelling of rock cutting: from ductile to brittle transition - He - 2015 - International Journal for Numerical and Analytical Methods in Geomechanics … ban astra