Results 41 to 50 of about 206,626 (345)

Model Reduction Technique for Analysing Friction-Induced Vibrations and Radiated Sound

open access: yesInternational Journal of Automotive Engineering, 2018
A novel approach for the calculation of friction induced vibration is presented and applied to a real life example. The balance equations of continuum mechanics representing the underlying physics are simplified and then solved numerically.
Konrad Weisheit, Steffen Marburg
doaj   +1 more source

Nonlinear Vibration Induced by Friction in a Ball Joint System

open access: yesLubricants, 2022
In this paper, the nonlinear oscillations induced by friction in a ball-on-socket system are investigated. The nonlinear time response was obtained by solving the differential equations of the friction-noise model of the finite element ball with multiple
Jaeyoung Kang
doaj   +1 more source

Mechanism and suppression of friction-induced vibration in catenary-pantograph system

open access: yesNonlinear dynamics
An unexplained instability phenomenon in railways is known to be caused by sliding friction in a catenary-pantograph system at low speeds. This is an important engineering problem because this instability phenomenon contributes to increased wear of ...
Y. Amano   +4 more
semanticscholar   +1 more source

Generation of Motion of Drops with Interfacial Contact

open access: yes, 2015
A liquid drop moves on a solid surface if it is subjected to a gradient of wettability or temperature. However, the pinning defects on the surface manifested in terms of a wetting hysteresis, or first-order nonlinear friction, limit the motion in the ...
Chakrabarti, Aditi   +2 more
core   +3 more sources

Estimation of the normal contact stiffness for frictional interface in sticking and sliding conditions [PDF]

open access: yes, 2019
Modeling of frictional contact systems with high accuracy needs the knowledge of several contact parameters, which are mainly related to the local phenomena at the contact interfaces and affect the complex dynamics of mechanical systems in a prominent ...
Baillet, L.   +4 more
core   +1 more source

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

Sensitivity studies of friction-induced vibration

open access: yesInternational Journal of Vehicle Design, 2009
Friction-induced vibration is notoriously twitchy. This paper examines the origin of the sensitivity, using a model with two linear systems coupled at a single-point sliding contact where a general linearised model for dynamic frictional force is allowed.
Tore Butlin, Jim Woodhouse
openaire   +1 more source

Stick-slip instabilities in sheared granular flow: the role of friction and acoustic vibrations

open access: yes, 2015
We propose a theory of shear flow in dense granular materials. A key ingredient of the theory is an effective temperature that determines how the material responds to external driving forces such as shear stresses and vibrations. We show that, within our
Carlson, J. M.   +3 more
core   +3 more sources

Packaging of Macroscopic Material Payloads: Needs, Challenges, Concepts, and Future Directions

open access: yesAdvanced Engineering Materials, EarlyView.
This review introduces a unified framework that decomposes any macroscopic packaging system into the payload, packaging material, and packaging strategy and combines them into a conceptual packaging equation: packaging strategy = payload + packaging material.
Venkata S. R. Jampani, Manos Anyfantakis
wiley   +1 more source

Preparation of polyethylene glycol brush grafted from the surface of nitrile butadiene rubber with excellent tribological performance under aqueous lubrication

open access: yesMaterials & Design, 2022
The water-lubricated bearing will be in a state of poor lubrication when marine stern shafts operate under low speed and heavy load conditions, which could cause severe wear and vibration, endangering the stealth performance of underwater vehicles.
Yinsong Liu   +4 more
doaj   +1 more source

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