1,381 Result(s)
within
**mo Wang
English
Civil Engineering
Mechanical Engineering
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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
Analysis of a cracked harmonic substrate under a rigid punch
The study of the mechanical action between a punch and a cracked substrate has some theoretical guidance for the material protection. So the coupling problem of a cracked semi-infinite harmonic substrate under...
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Article
Hybrid dam** control of magnetorheological semi-active suspension based on feedback linearization Kalman observer
To improve the dynamic performances of nonlinear magnetorheological (MR) semi-active suspension, a hybrid dam** control (HDC) based on Kalman observer of nonlinear suspension system is proposed. Firstly, the...
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Article
Study of microstructure and mechanical properties of high thickness A844/A516 steel joints by multi-pass GMAW for pressure vessels
In this study, the gas metal arc welding (GMAW) process was investigated for similar and dissimilar joints of A844 and A516 steel plates in different thicknesses. For welding, E 19-10H filler metal and categor...
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Article
Open AccessA hybrid encryption approach for efficient and secure data transmission in IoT devices
Security is a crucial concern in the Internet of Things (IoT) ecosystem. Due to IoT devices' constrained processing and storage resources, providing reliable security solutions is challenging. Encryption is on...
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Article
Bandgaps in phononic crystal third-order shear deformation microbeams
Periodic composite beams play an important role in the bandgap design of phononic crystals. However, for thick beams or high frequencies, conventional theoretical displacement assumptions for beams have limita...
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Article
Effect of punch type on microstructure and mechanical properties of aluminum alloy structures prepared by electromagnetic riveting
In this work, a special electromagnetic riveting punch with a convex die was proposed to improve deformation uniformity of rivets. Electromagnetic riveting experiments with the special and conventional flat pu...
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Article
Enhancement in the Hg0 oxidation efficiency and sulfur resistance of CuCl2-modified MnOx-CeOx nanorod catalysts
In this study, a series of CuCl2-modified MnOx-CeOx nanorods were synthesized for the oxidation of Hg0. The addition of CuCl2 resulted in an enhancement in the catalyst’s Hg0 oxidation ability, and Hg0 oxidation ...
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Article
High-performance and multifunctional organic photovoltaic devices
Organic photovoltaic devices (OPVs) are emerging as a promising renewable energy source for the future. Their unique advantages, such as semitransparency, light weight, superior flexibility, and low cost, enab...
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Article
Integrating atomistics and experiments in gaining deeper insights into fatigue crack propagation in silver
This research utilizes both single crystal and polycrystalline models to probe the fatigue crack propagation mechanism in pure silver via molecular dynamics (MD) simulations. A comprehensive validation approac...
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Article
Seismic performance of a new type of prefabricated bridge pier with cast-in-place UHPC jacketing
Accelerated bridge construction (ABC) is prevalent all over the world attributable to its technical advantages including the higher construction efficiency, less traffic disruption, and higher construction qua...
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Article
Open AccessDetection research of insulating gloves wearing status based on improved YOLOv8s algorithm
The safety hazards may be caused by power grid operators not wearing insulating gloves according to regulations for live electrical working. Additionally, existing methods for detecting the wearing status of i...
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Article
A learning-based control pipeline for generic motor skills for quadruped robots
Performing diverse motor skills with a universal controller has been a longstanding challenge for legged robots. While motion imitation-based reinforcement learning (RL) has shown remarkable performance in rep...
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Article
Contact problem of two punches in an elastic coating attached to a porous material
This paper investigates the contact problem of an elastic layer that is perfectly attached to a porous half-space by two rigid flat punches with collinear symmetry. Using integral transformation, the problem i...
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Article
Numerical analysis of lubrication properties on a bio-inspired parabolic textured surface
This study proposed a unique texture type with parabolic grooves inspired by the parabolic grooves on the surface of a cuttlebone to improve the load-carrying capacity of lubricated sliding bearings. A hydrody...
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Article
Geometrical transition properties of vortex cavitation and associated flow-choking characteristics in poppet valves
Poppet valves have become increasingly significant in ensuring precise digital flow rate and pressure control in hydraulic systems, necessitating a more profound understanding of the geometrical properties of ...
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Article
Corrosion behavior and protection mechanism of carbon steel coated with ethylene chlorotrifluoroethylene (ECTFE)
Ethylene chlorotrifluoroethylene (ECTFE) coating was applied to the surface of carbon steel through electrostatic spraying and low-temperature heat treatment. The morphology and structure of the coating were a...
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Article
Monotonic mechanical behaviour of compacted completely decomposed granite with various inclusion levels of incineration bottom ash
**年来, 不断增加的生活垃圾产生了大量的焚烧残渣(IBA). 同时, 考虑到土建材料的巨大用量需求和有限的自然资源, 充分利用固废材料变得越来越重要. 本研究通过静三轴试验, 研究了在不同的IBA体积含量和不同的压实全分化花岗岩(CDG)压实度下, IBA对CDG试样静力学特性的影响. 结果表明, 随着IBA体积含量的增加, 最大偏应力或抗剪**度逐渐增大, 呈双线性增加趋势. 当IBA的体积含量超过某一特征值时, ...
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Article
Open AccessInvestigating the effect of changing the geometric characteristics on the seismic behavior of the yielding shear panels
The use of different types of shear panels as a large group of yielding dampers has been investigated. Acceptable seismic behavior such as stiffness and high deformation capacity, appropriate lateral resistanc...
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Article
Open AccessEnhanced Whale Optimization Algorithm for task scheduling in cloud computing environments
The escalation of cloud services, driven by their accessibility, improved performance, and cost-effectiveness, has led cloud service providers to consistently seek methods to expedite job completion, thereby b...
