157 Result(s)
within
Xu** Song
Engineering
Characterization and Evaluation of Materials
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Article
Effect of ultrasonic rolling on the fatigue performance of laser-welded TC4 titanium alloy joints
To improve the fatigue performance of laser-welded TC4 titanium alloy joints, ultrasonic rolling processing (USRP) is employed herein. Multiple passes of USRP (viz., one, three, and five) are conducted using a...
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Article
Research on a New Power Window Weighted Digital Image Correlation for Accurate Measurement
Digital Image Correlation (DIC) is a widely employed full-field measurement technique in the realm of experimental mechanics. Nevertheless, mitigating measurement errors, particularly in fields with large stra...
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Article
Deep Fundamental Diagram Network for Fast Pedestrian Dynamics Estimation
How to effectively guide occupants to use different evacuation routes under fire situations is the key to improving fire safety and ensuring successful evacuation. Evacuation analysis for fire safety in survei...
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Article
Student performance prediction employing k-Nearest Neighbor Classification model and meta-heuristic algorithms
The precision of predicting student performance in Mathematics is pivotal for educational advancement, relying heavily on advanced machine learning (ML) methodologies. This predictive approach involves analyzi...
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Article
Vibration of rectangular plate on fractional order viscoelastic foundation subjected to standing and moving loads
The forced vibration of rectangular thin plate with a pair of edges simply supported and another pair of edges clamped mounted on the fractional standard solid foundation under the standing and moving loads is...
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Article
A mechanism to detect load redistribution attacks in interdependent gas and power systems based on deep learning
Recent advancements in gas-fired units (GFU) and power-to-gas (P2G) technologies have facilitated the integration of natural gas and electricity networks. However, the integration of these networks introduces ...
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Article
Design of a novel switched fault estimator with adaption law for non-linear switched systems and application to chemical systems
This paper presents a novel approach to concurrently designing an adaptive fault estimator and a persistent dwell-time switching law for switched systems incorporating non-linear Lipschitz terms. The adaptatio...
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Article
Depth Accurate Prediction and Kerf Quality Improvement of CFRP Through-Hole Laser Cutting via Acoustic Emission Nondestructive Monitoring Technology
Acoustic emission (AE) technology is an effective method for monitoring the quality of carbon fiber reinforced plastic (CFRP) laser cutting. It is a challenge to decipher the formation mechanism because of the...
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Article
Reduction of Pulsed Eddy Current Probe Footprint Using Sequentially Excited Multiple Coils
In the detection of corrosion under insulation (CUI) using pulsed eddy current testing (PECT) method, it is of great significance to reduce the footprint of the probe for improving the spatial resolution to lo...
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Article
Effects of dynamic loading and temperature on NEPE propellant: damage and ignition analysis
We investigate herein the thermo-mechanical behavior of nitrate ester plasticized polyether (NEPE) propellants under dynamic, nonshock loading scenarios, such as impacts and drops, which are vital for assessin...
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Article
An Improved Strain Field Reconstruction Method Based on Digital Twin for Test Monitoring
For the static loading test in the aerospace field, conventional strain field reconstruction methods relying on finite element analysis (FEA) or test data are difficult to meet the accuracy requirements of tes...
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Article
An improved dynamic model of the spline coupling with misalignment and its load distribution analysis
Spline couplings allow for a certain amount of misalignment and relative sliding between their internal and external components. However, the misalignment could cause serious uneven load distribution and aggra...
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Article
Design of optimal wavelet-based energy management for hybrid energy storage systems in DC-microgrids to increase the battery lifetime
Considering natural stochastic power fluctuation as well as existing of fast varying local loads, power quality and stability problems are unavoidable in low-voltage microgrid power systems, especially in isol...
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Article
Creep behavior and damage constitutive model of sandstone: an experimental study on seepage-load coupling
Triaxial creep tests of sandstone under different seepage pressures were carried out to research the effect of seepage on the rheological laws of sandstone. The effect of seepage pressure on the rheological pr...
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Article
Reduced Pressure Effect on Smoke Layer Plug-Holing Behavior of Tunnel Fires with a Naturally Ventilated Vertical Shaft
The fire smoke exhaust behavior of tunnels with naturally ventilated vertical shafts at high altitude area is different from that at standard atmospheric pressure due to the unconventional fire smoke transport...
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Article
State-of-the-Art Research in Flame-Retardant Unsaturated Polyester Resins: Progress, Challenges and Prospects
Unsaturated polyester resins (UPR) are broadly applied in chemical, construction, transportation and electrical fields, etc. However, UPR materials are extremely flammable. Through radiation, conduction and co...
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Article
Uncertainty analysis of residual strength of porous laminates in hot and humid environment based on polynomial chaos expansion
In view of the fact that composite material structures will be affected by multi-source uncertainty factors during use, a new method for predicting the uncertainty of the residual strength of porous laminates ...
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Article
Research on Remote-Field Eddy Current Focusing Method for Detecting Hidden Defects in Aircraft Riveted Components
Most of the aircraft skin is assembled by riveted structural parts, and the riveted holes are prone to cracks due to stress concentration, so it is urgent to carry out non-destructive testing research on aircr...
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Article
Tailorable non-linear viscoelastic behavior of hydrogels
In this work, we investigate the viscoelastic properties of hydrogels through stress relaxation experiments to better understand the force-dependent dynamics of these materials with the aspiration of expanding...
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Article
Study on Residual Stress and Ultrasonic Deformation Control of Titanium Alloy Cylinder Components
The distribution of residual stress in titanium alloy cylinder component is uneven, and there is stress concentration field in cylinder, which leads to serious processing deformation, bad tensile strength and ...
