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Article
Preliminary Analysis of the End Friction Effect on Dynamic Compressive Strength of Rocks
Accurate measurement of dynamic behaviors of rocks under complex static stress conditions can provide valuable insight into the design of underground rock engineering. The end friction between the specimen and...
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Article
Open AccessFvKex2 is required for development, virulence, and mycotoxin production in Fusarium verticillioides
Fusarium verticillioides is one of the most important fungal pathogens causing maize ear and stalk rots, thereby undermining global food security. Infected seeds are usually unhealthy for consumption due to conta...
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Article
Damage Evolution During Rock Dynamic Compression Revealed by Wavelet Analysis of Acoustic Emission Signals
Acoustic emissions have been monitored during rock compression under both quasi-static and dynamic conditions. A new method is proposed in this study to study the damage evolution of rocks during dynamic compr...
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Chapter and Conference Paper
Bearing Remaining Life Prediction Based on Temporal Convolutional Networks with Hybrid Dilated Convolutions
Rolling bearings play a crucial role in mechanical equipment, impacting both running time and costs significantly. Accurate prediction of remaining life allows timely maintenance actions to be taken, thereby r...
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Chapter and Conference Paper
Dynamic Modeling of Rolling Bearing Outer Ring Failure with Time-Varying Excitation Under Contact Deformation
Dynamic modeling of rolling bearing fault is an important method in fault mechanism research. However, existing dynamic models only consider the influence of fault size and bearing speed on the instantaneous i...
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Article
Dynamic mechanical characteristics of an artificial porous granite under various water saturation levels
Water content plays a significant role in the dynamic mechanical properties of rocks in hydraulic, deep underground, and mining engineering. However, the previous study generally concentrated on the oven-dried...
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Article
Open AccessDynamic compressive failure of coal at different burial depths
Dynamic disasters frequently occur in deep coal mines, where coals and rocks are under high in situ stresses. To reveal the failure mechanism of deep burying coals, the specimens were made of buried coals at a...
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Article
Correction: Dynamic Mode II Fracture Toughness of Rocks Subjected to Various In Situ Stress Conditions
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Article
UDEC Modelling on Dynamic Response of Rock Masses with Joint Stiffness Weakening Attributed to Particle Crushing of Granular Fillings
Characterization on the response of the jointed rock mass to the stress wave is of great significance for rock engineering and the prevention of dynamic geological disasters. A joint in the rock mass produces ...
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Article
Dynamic Mode II Fracture Toughness of Rocks Subjected to Various In Situ Stress Conditions
The shear failure of deep rocks under both a dynamic disturbance and an in situ stress (e.g., preload and confining pressure) is common in deep underground engineering. Thus, it is important to quantify the dy...
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Article
Influence of freeze–thaw cycling on the dynamic compressive failure of rocks subjected to hydrostatic pressure
Freeze–thaw process has a significant deterioration effect on the rock mechanical performance. Responding to the accelerating changing climate, the investigation of the freeze–thaw cycling (FTC) effect on the ...
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Article
Numerical investigation of the effect of grain size-to-particle size ratio on the dynamic fracture toughness of granite by using PFC3D-GBM
Based on the Particle Flow Code, a novel grain-based model based on the Particle Flow Code (PFC3D-GBM) is proposed, in which the mineral grains can be filled and grouped at the three-dimensional scale. We mode...
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Article
Effect of water content on the mechanical properties of an artificial porous rock
Water content significantly affects the mechanical properties of porous rocks, for which both clay content and rock microstructure have been identified as main controlling factors. To study the influence of mi...
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Chapter and Conference Paper
Dynamic Tensile Failure of Rocks Under Triaxial Stress State
Tensile failure of rocks is a main problem in underground engineering projects, in which rocks are subjected to dynamic disturbances while under in situ stresses. When disturbed by dynamic loads from blasting...
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Article
An Experimental Study of Dynamic Tensile Failure of Rocks Subjected to Hydrostatic Confinement
It is critical to understand the dynamic tensile failure of confined rocks in many rock engineering applications, such as underground blasting in mining projects. To simulate the in situ stress state of underg...
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Article
Determination of Dynamic Flexural Tensile Strength of Thermally Treated Laurentian Granite Using Semi-Circular Specimens
To understand the effects of increasing temperature and loading rate on the flexural tensile strength of Laurentian granite, dynamic flexural tensile strength experiments were carried out by means of a semi-c...
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Chapter and Conference Paper
Location Selection of Multiple Logistics Distribution Center Based on Particle Swarm Optimization
Distribution center is an important pivot position at the logistics system. This paper presents the site selection’s model of logistics distribution center based on decision matrix C, which adopts particle swarm ...
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Chapter and Conference Paper
Particle Swarm Optimizer with Full Information
In order to improve the particle swarm optimizer (PSO) for solving complex multimodal problems, an improved PSO with full information and mutation operator (PSOFIM) is proposed base basic PSO and mutation thou...
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Article
Open AccessMicroRNA-490-3p inhibits colorectal cancer metastasis by targeting TGFβR1
Colorectal cancer (CRC) is one of the most common malignances worldwide. Metastasis is responsible for the rapid recurrence and poor prognosis of CRC. However, the underlying molecular mechanism of CRC metasta...
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Chapter and Conference Paper
An Improved PSO for Multimodal Complex Problem
As the multimodal complex problem has many local optima, basic PSO is difficult to effectively solve this kind of problem. To conquer this defect, firstly, we adopt Monte Carlo method to simulate the fly traje...
