Results 181 to 190 of about 82,459 (305)
This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu +8 more
wiley +1 more source
Intelligent Fault Diagnosis of Hydraulic Pumps Based on Multi-Source Signal Fusion and Dual-Attention Convolutional Neural Networks. [PDF]
Jiang W +6 more
europepmc +1 more source
The fused data extracted from the distributed monitoring system as the data basis, combined with dynamic geological data, are imported into a deep learning model. As the geological conditions of mining and excavation change, the risk of water inrush at the working face is retrieved in real time.
Yongjie Li +4 more
wiley +1 more source
An Energy-Efficient Gas-Oil Hybrid Servo Actuator with Single-Chamber Pressure Control for Biomimetic Quadruped Knee Joints. [PDF]
Yao M, Hua Z, Qian H.
europepmc +1 more source
This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley +1 more source
Design and Experiment of an Automatic Leveling System for Tractor-Mounted Implements. [PDF]
Yao H, Zhang E, Liu Y, Du J, Yin X.
europepmc +1 more source
Seismic analysis and design of tunnels within fault ground: A review
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
Research on a General-Type Hydraulic Valve Leakage Diagnosis Method Based on CLAF-MTL Feature Deep Integration. [PDF]
Tong C, Xiong Y, Xu X, Wu Y.
europepmc +1 more source
Dynamic response at the terminus of oblique intersecting joints subjected to stress waves
This study derives the propagation equation for stress waves impinging upon nonlinear oblique intersecting joints. It analyzes the dynamic response at the terminus of nonlinear oblique intersecting joints subjected to stress waves. Abstract To investigate the dynamic response at the terminus of oblique intersecting joints subjected to stress waves, a ...
Gang Hu +4 more
wiley +1 more source

