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Article
Extracting Rock Parameters Through Digital Drilling Test
Rapid and partial acquisition are features of rock drilling for obtaining rock properties. Most previous research has primarily concentrated on how to quickly obtain rock mechanics parameters, with limited emp...
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Article
Study on the Mechanism of Rock Damage Under Microwave and Laser Irradiation Through Multiscale and Multiphysics Numerical Modelling
High-energy microwaves and lasers are applied to assist mechanical rock breaking due to their advantages in rapid thermal damage to hard rocks. However, the quantitative evaluation of rock damage under microwa...
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Article
Open AccessEffects of Dexmedetomidine on Systemic Inflammation and Postoperative Complications in Laparoscopic Pancreaticoduodenectomy: A Double-blind Randomized Controlled Trial
Laparoscopic pancreaticoduodenectomy (LPD) may induce intense inflammatory response which might be related to the patient’s outcomes. Clinical dexmedetomidine (DEX) has been widely used for opioid-sparing anes...
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Article
Further Development of Digital Image Correlation (DIC) to Measure the Discontinuous Deformation of Rock on Small-Scale Tests
Deformation measurement is crucial for understanding the mechanical responses of rock masses; however, full-scale tests on rock masses are difficult and costly. With the development of 3D printing technology, ...
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Article
Influence of Methocel cellulose ether additive on micro-scale friction, abrasion and energy dissipation of rough-heterogeneous particles
Understanding and modeling the contact behavior of particles provides enhanced constitutive laws in discrete-based simulations as well as a strong linkage between micro- and macroscopic behavior of granular ma...
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Article
A coupled numerical method to study the local stability of jointed rock slopes under long-distance bench blasting
In this work, a submodel coupling method has been developed to tackle this problem by coupling LS-DYNA and the four-dimensional lattice spring model (4D-LSM). LS-DYNA is used to simulate the detonation process...
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Article
Experimental and Numerical Studies on Small-Scale Direct Tension Test for Rock
The deformation and failure behaviors of rock play an important role in rock engineering, such as tunneling engineering, geothermal exploitation, and slope treatment; nevertheless, small-scale direct tension s...
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Article
Non-parameterized Numerical Analysis Using the Distinct Lattice Spring Model by Implementing the Duncan–Chang Model
Parameter selection is always a critical issue for the numerical modeling of many geotechnical problems. In this work, an idea of non-parameterized numerical analysis is demonstrated by incorporating tri-axial...
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Article
A global review of deep geothermal energy exploration: from a view of rock mechanics and engineering
Deep geothermal energy exploitation has gained a lot of attentions in energy field due to its large reserve. Enhanced geothermal system (EGS) is the only one mode to explore hot dry rock (HDR) with real engine...
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Article
A Coupling Model of Distinct Lattice Spring Model and Lattice Boltzmann Method for Hydraulic Fracturing
In this work, the distinct lattice spring model (DLSM) and the lattice Boltzmann method (LBM) are coupled together to simulate hydraulic fracturing problems. As the DLSM and LBM are both lattice modelling meth...
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Article
A Fundamental Investigation of the Tensile Failure of Rock Using the Three-Dimensional Lattice Spring Model
A fundamental study on the tensile failure of rock is conducted using the three-dimensional lattice spring model. The model covers three aspects: (1) the relationship between the mesoscopic tensile/shear failu...
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Article
Open AccessmicroRNA-328 in exosomes derived from M2 macrophages exerts a promotive effect on the progression of pulmonary fibrosis via FAM13A in a rat model
Currently, exosome-enclosed microRNAs (miRs) in exhaled breath have potential for biomarker discovery in patients with pulmonary diseases. This study was performed to investigate the roles of M2 macrophage-der...
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Article
A Numerical Study on Toppling Failure of a Jointed Rock Slope by Using the Distinct Lattice Spring Model
In this work, toppling failure of a jointed rock slope is studied by using the distinct lattice spring model (DLSM). The gravity increase method (GIM) with a sub-step loading scheme is implemented in the DLSM ...
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Article
Numerical simulation of fluid flow through deformable natural fracture network
In this paper, fluid flow through natural fracture network is studied using computational fluid dynamics. To investigate the influence of fracture roughness, normal deformation and shear deformation on the fra...
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Article
Investigation of Dynamic Crack Coalescence Using a Gypsum-Like 3D Printing Material
Dynamic crack coalescence attracts great attention in rock mechanics. However, specimen preparation in experimental study is a time-consuming and difficult procedure. In this work, a gypsum-like material by po...
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Article
A Preliminary Study of 3D Printing on Rock Mechanics
3D printing is an innovative manufacturing technology that enables the printing of objects through the accumulation of successive layers. This study explores the potential application of this 3D printing techn...
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Article
Dynamic Indirect Tensile Strength of Sandstone Under Different Loading Rates
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Article
Experimental and numerical modelling investigation on fracturing in coal under impact loads
In this paper, fracturing in coal under impact loads was studied using experimental and numerical approaches. Three-point beam bending tests were carried out on coal samples under impact loads. During the test...
