Ime Rock Processing Simulation
Study on the Damage Process and Numerical Simulation of …
The weakening effect is one of the most important causes triggering large deformation and failure of soft-rock engineering; however, few studies paid attention to damage evolution and constitutive relationship of rock in tensile damage in the excavation unloading and water-weakening process, not to mention the coupling process of unloading and water …
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Time-Lapse 3D CSEM for Reservoir Monitoring Based on Rock …
There is also no established methodology to process time-lapse CSEM data . Therefore, we study how to enable time-lapse 3D CSEM for reservoir monitoring based on knowledge of the Wisting reservoir. ... "Time-Lapse 3D CSEM for Reservoir Monitoring Based on Rock Physics Simulation of the Wisting Oil Field Offshore Norway" Sensors 23, no. 16: 7197 ...
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DEM simulation of rock creep in tunnels using Rate Process Theory
Rock creep crucially affects the convergences and safety of deep tunnels in weak rock (Jimenez and Recio, 2011, Bonini and Barla, 2012), with several case histories that reveal such importance: the Yacambú-Quibor tunnel in Venezuela (Hoek and Guevara, 2009), the Lyon-Tourin tunnel in the Saint Martin La Porte access in France/Italy (Bonini and Barla, 2012), the …
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Time-delayed failure process of granite and its energy …
DOI: 10.1016/j.engfailanal.2023.107854 Corpus ID: 266278669; Time-delayed failure process of granite and its energy evolution and acoustic emission characteristics @article{Feng2023TimedelayedFP, title={Time-delayed failure process of granite and its energy evolution and acoustic emission characteristics}, author={Guangliang Feng and Qi Ma and …
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A comprehensive parametric study of grain-based models for rock …
Few studies have adopted the 3DEC-GBM modeling approach to simulate rock failure due to the high demand on computing power. A weak coal was simulated using a Trigon logic tessellation in 3DEC by Gao and Stead 45 Brittle rock damage was simulated using polyhedron grains in 3DEC by Ghazvinian et al. 38 Brittle rock failure with the consideration of …
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Numerical Simulation Study of Factors Influencing …
With the increasing demand for deep oil and gas exploration and CCUS (Carbon Capture, Utilization, and Storage) engineering, improving rock-crushing efficiency stands as a pivotal technology. Ultrasonic vibration-assisted drilling has emerged as a novel rock-breaking technology. The high-frequency vibrations of ultrasonic waves impact rocks, inducing …
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Experimental Study on the Floor Heave and Failure Process of Rock …
Floor heave is a typical tunnel issue in tunnelling engineering. To gain deep insights into the deformation mechanism and failure processes of floor heave at the bottom of a tunnel in layered rock, biaxial step-loading tests were conducted on rock samples (including schist and sandstone) with and without prefabricated invert arches. The failure processes of …
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Simulation of Full-Scale Rockfall Tests with a Fragmentation …
In this paper, we present the upgraded version of RockGIS, a stochastic program for the numerical simulation of rockfalls and their fragmentation, based on a fractal model. …
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Grouting Process Simulation Based on 3D Fracture Network …
Grouting has always been the main engineering measure of ground improvement and foundation remediation of hydraulic structures. Due to complex geological conditions and the interactions between the grout and the fractured rock mass, which poses a serious challenge to the grouting diffusion mechanism analysis, fracture grouting has been a research hotspot for a long time. In …
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Numerical simulation of the rock fragmentation process …
This paper presents a novel numerical code, R–T 2D (Rock–Tool interaction), which has been developed by the authors, is based on the RFPA (rock failure process analysis) model, and is used to simulate the rock fragmentation process induced by single and double indenters. The heterogeneity of rock is considered and the progressive process of ...
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Numerical simulation of rock fragmentation process …
DOI: 10.1016/J.TUST.2005.12.124 Corpus ID: 108572350; Numerical simulation of rock fragmentation process induced by two TBM cutters and cutter spacing optimization @article{Gong2006NumericalSO, title={Numerical simulation of rock fragmentation process induced by two TBM cutters and cutter spacing optimization}, author={Qiuming Gong and Jian …
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Mathematical Modeling and Numerical Simulation in Rock …
Mathematical modeling and numerical simulation have become indispensable tools in this field, enabling engineers and scientists to better understand and predict the …
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Numerical Simulation Study on Evolution Process of …
The carrying-soil effect is an important factor affecting the success or failure of rectangular pipe jacking construction. Because it is difficult to explore the dynamic evolution process of the carrying-soil effect in the field test, this paper relies on the pipe jacking project of a comprehensive pipe gallery in Suzhou City, and uses ABAQUS 2021 finite element software to …
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UNet–Based Temperature Simulation of Hot Dry …
Hot dry rock (HDR) geothermal energy, as a clean and renewable energy, has potential value in meeting the rapid demand of the social economy. Predicting the temperature distribution of a subsurface target zone is a …
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Development of a Pre-Verified EPD Tool with Process Simulation …
This paper has two aims: to describe the current status and challenges of aggregates producers regarding the analysis and communication of environmental information of their products and to present a layout of a pre-verified tool with simulation capabilities that could assist aggregates producers with their environmental goals. Semi-structured interviews were …
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Investigation of the Rock-Breaking Mechanism of Drilling …
The interaction between the drill bit and rock is a complex dynamic problem in the process of drilling and breaking rock. In this paper, the dynamic process of drilling and breaking rock is analyzed using ABAQUS software. The rock-breaking mechanism of drilling is revealed according to the stress–strain state of the rock and the force of the drill bit. The effect of the …
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Analysis of Rock Breaking Parameters and Simulation of …
With the continuous development of high-pressure water jet technology, research on the optimization of structural parameters for multi-nozzle configurations, the perforation effect of jet rotational impact rock breaking, and the impact force during rock breaking has received increasing attention. Through the development of a self-designed high-pressure water jet …
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DEM simulation of rock creep in tunnels using …
The time-dependent (creep) behaviour of rocks affects the safety and stability of tunnels excavated in weak rocks and at great depths. Several theories have been proposed to simulate the creep ...
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Numerical Simulation of Heterogeneous Rock Using Discrete Element …
Rock is a natural heterogeneous material, which consists of different minerals and is characterized by a pronounced microstructure. The micro-mechanisms, which occur during failure process are ...
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Intelligent real-time predicting method for rock …
Real-time digital description of rock boring while drilling process is of great significance for the development of geological exploration technology. With the natural change …
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Assessing Mechanical Properties and Response of Expansive Soft Rock …
This study investigates the dynamics of moisture absorption and swelling in soft rock during tunnel excavation, emphasizing the response to support resistance. Utilizing COMSOL numerical simulations, we conduct a comparative analysis of various strength criteria and non-associated flow rules. The results demonstrate that the Mohr–Coulomb criterion …
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Process Simulation of Twin-Screw Granulation: A Review
Twin-screw granulation has emerged as a key process in powder processing industries and in the pharmaceutical sector to produce granules with controlled properties. This comprehensive review provides an overview of the simulation techniques and approaches that have been employed in the study of twin-screw granulation processes. This review discusses …
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Monitoring of the Icing Process and Simulation of Its …
Icing in cut slopes is a serious risk to transportation safety in cold regions. Research on the occurrence process and mechanism of icing is a prerequisite for proposing effective management measures. We took the cut slopes of the K162 section of the Beihei Highway as the research object. We used a combination of field investigation, geological …
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A comprehensive parametric study of grain-based models for rock …
The findings from this study are useful for rock failure process simulation using the 3DEC-GBM modeling approach. Discover the world's research. 25+ million members; 160+ million publication pages;
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Numerical Simulation of Crack Propagation and Branching …
The characterization and understanding of crack evolution in non-uniform geological structures are crucial for predicting the mechanical response of rock-like materials or structures under varying loading conditions. In this study, an improved Peridynamic model with a degree of heterogeneity characterized by random pre-breaking "bonds" coefficients is introduced to …
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Peridynamic Simulation of Heterogeneous Rock Based on …
Rock heterogeneity is one of the most important factors when numerically simulating the rock failure process and crack propagation. This paper presents an approach …
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AI4R2R (AI for Rock to Revenue): A Review of …
In the last few years, jargon, such as machine learning (ML) and artificial intelligence (AI), have been ubiquitous in both popular science media as well as the academic literature. Many industries have tried the current suite of …
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Numerical Simulation of Failure Behavior of Brittle Heterogeneous Rock
Rocks have formed heterogeneous characteristics after experiencing complex natural geological processes. Studying the heterogeneity of rocks is significant for rock mechanics. In this study, a linear parallel bond model with Weibull distribution in two-dimensional particle flow code (PFC2D) is adopted to study the mechanical characteristics and brittle …
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[PDF] Water powered percussive rock drilling : process …
This thesis is devoted to problems, processes and systems related to the recently developed water powered percussive rock drilling method. The technology, which uses ordinary water to drive down-th ...
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Numerical Simulation of Heterogeneous Rock Using Discrete …
Therefore, the prediction of these damage processes in rock material at the microscale due to any loading is difficult to characterize within the framework of existing …
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