Results 61 to 70 of about 15,143 (300)

All‐Optical Reconfigurable Physical Unclonable Function for Sustainable Security

open access: yesAdvanced Materials, EarlyView.
An all‐optical reconfigurable physical unclonable function (PUF) is demonstrated using plasmonic coupling–induced sintering of optically trapped gold nanoparticles, where Brownian motion serves as a robust entropy source. The resulting optical PUF exhibits high encoding density, strong resistance to modeling attacks, and practical authentication ...
Jang‐Kyun Kwak   +4 more
wiley   +1 more source

Equivalent Viscous Damping Coefficient of Sucker Rod String Wave Equation

open access: yesShiyou jixie, 2016
In order to improve the estimation accuracy of viscous damping coefficient of sucker rod sting’s wave equation,a method of determining viscous damping coefficient based on equal friction loss has been proposed.By establishing motion equation of laminar ...
Lao Liming   +3 more
doaj  

Seismic Response Mitigation of a Long-Span Tower Bridge with Two Types of Constraint System

open access: yesAdvances in Civil Engineering, 2020
The stress of the main tower of a cable-stayed bridge depends on the connection type between the tower and deck. In order to study the most suitable longitudinal damping mode for a long-span cable-stayed bridge.
Li Xu   +4 more
doaj   +1 more source

A Time-Domain Viscous Damping Model Based on Frequency-Dependent Damping Ratios

open access: yes, 2013
This paper introduces the mathematics and procedures used in developing a time-dependent damping model for integration analyses of structural response.
Chang, Der-Wen   +1 more
core   +1 more source

Pulsed Laser‐Assisted Phase Engineering of Multimetallic Colloidal Nanocrystals With Complex Compositions

open access: yesAdvanced Materials, EarlyView.
The engineering of colloidal nanocrystals with complex compositions has emerged as a highly active area of research within nanomaterials science. This review covers key aspects of colloidal solid‐solution nanocrystal formation using pulsed laser irradiation.
Marina T. Candela   +4 more
wiley   +1 more source

Experimental Study of Viscous Damper Vibration Reduction Technology of Gear Shafting

open access: yesJixie chuandong, 2015
According to the complex character of gearbox vibration and noise,a kind of viscous damper for controlling vibration of gear shafting system is proposed.A gearbox bench with viscous damper is built to experimentally verify the damping characteristics of ...
Huang Xiujin   +3 more
doaj  

Utilization of hall current and ions slip effects for the dynamic simulation of peristalsis in a compliant channel

open access: yesAlexandria Engineering Journal, 2020
The recent hypothetical analysis is to explore the effect of hall current and ion's slip for a peristaltic mechanism of non-Newtonian Rabinowitsch fluid model (lubricant blended with the viscosity index reformer) with the dynamic damping and stiffness ...
Naveed Imran   +5 more
doaj   +1 more source

Prototype Test and Numerical Analysis of a Shallow Cable with Novel Viscous Inertial Damper

open access: yesShock and Vibration, 2021
As an essential component of offshore bridges, stay cables are prone to vibrations due to their low inherent damping characteristics. Various dampers have been used for cable vibration control; however, the experimental research and theoretical study of ...
Jing Liu   +4 more
doaj   +1 more source

Additively Manufactured Porous Ceramics as Tunable Dielectrics for Passive Temperature Sensing

open access: yesAdvanced Materials Technologies, EarlyView.
Porous ceramic lattices, 3D‐printed from a multicomponent oxide ink, are integrated with LC resonators for passive wireless temperature sensing. By tuning porosity, the dielectric properties and RF response are engineered to produce distinct resonant frequency shifts with temperature. The results establish a structure‐driven approach to customizing the
Sogol Heidarishahrivar   +5 more
wiley   +1 more source

Study on the Influence and Optimization Design of Viscous Damper Parameters on the Damping Efficiency of Frame Shear Wall Structure

open access: yesBuildings
This study investigates the influence of viscous damper parameters on the damping efficiency of frame shear wall structures. Taking a specific frame shear wall structure as the background, a three-dimensional finite element model is established using a ...
Xiang Lan, Guanglan Wei, Xingxian Zhang
doaj   +1 more source

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