Results 41 to 50 of about 423,780 (329)

Recent Milestones in Unraveling the Full-Field Structure of Dynamic Shear Cracks and Fault Ruptures in Real-Time: From Photoelasticity to Ultrahigh-Speed Digital Image Correlation [PDF]

, 2020
The last few decades have seen great achievements in dynamic fracture mechanics. Yet, it was not possible to experimentally quantify the full-field behavior of dynamic fractures, until very recently.
Lapusta, N., Rosakis, A. J., Rubino, V.
core  

Static and dynamic friction in sliding colloidal monolayers [PDF]

, 2012
In a pioneer experiment, Bohlein et al. realized the controlled sliding of two-dimensional colloidal crystals over laser-generated periodic or quasi-periodic potentials.
A. Vanossi, Bohlein, Bohlein, Bruschi, Bruschi, Carpick, Castelli, Cieplak, Coffey, Dienwiebel, E. Tosatti, Filippov, Krim, Lomdahl, Mangold, Mikhael, N. Manini, Reichhardt, Reichhardt, Rubinstein, Urbakh, Vanossi, Vanossi, Vanossi   +23 more
core   +1 more source

Identification of the Dynamic Parameters of a Parallel Kinematics Mechanism with Prismatic Joints by Considering Varying Friction

Applied Sciences, 2020
This study proposed a novel approach for the offline dynamic parameter identification of parallel kinematics mechanisms in which the friction is significant and varying.
Abdur Rosyid, Bashar El-Khasawneh
doaj   +1 more source

Dynamic Analysis of the Helical Gear Transmission System in Electric Vehicles with a Large Helix Angle

Machines, 2023
Sliding friction is an important excitation for the vibration and noise of a transmission system. However, in cases where the helix angle of the helical gear is large, the dynamic characteristics of the transmission system in an electric vehicle caused ...
Yancong Li, Shihua Yuan, Wei Wu, Xintao Song, Kun Liu, Chunpeng Lian   +5 more
doaj   +1 more source

Quantum Dynamics with Electronic Friction

Physical Review Letters, 2022
20 pages (with Supplemental Material)
Rocco Martinazzo, Irene Burghardt
openaire   +3 more sources

A driven two-dimensional granular gas with Coulomb friction [PDF]

, 2005
We study a homogeneously driven granular gas of inelastic hard particles with rough surfaces subject to Coulomb friction. The stationary state as well as the full dynamic evolution of the translational and rotational granular temperatures are ...
Annette Zippelius, Ernst, Goldshtein, Hans Jürgen Herrmann, Henderson, Henderson, Herbst, Lun, Lun, Olaf Herbst, Raffaele Cafiero, Stefan Luding, Verlet   +12 more
core   +3 more sources

Fault diagnosis of anti-friction bearings based on Bi-dimensional ensemble local mean decomposition and optimized dynamic least square support vector machine

Scientific Reports, 2023
In order to ensure the normal operation of rotating equipment, it is very important to quickly and efficiently diagnose the faults of anti-friction bearings.
Zhengqiang Xiong, Chang Han, Guorong Zhang   +2 more
doaj   +1 more source

Network-Configurations of Dynamic Friction Patterns

, 2012
The complex configurations of dynamic friction patterns-regarding real time contact areas- are transformed into appropriate networks. With this transformation of a system to network space, many properties can be inferred about the structure and dynamics ...
Ghaffari, H. O., Young, R. P.
core   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

Oblique impact dynamic analysis of wedge friction damper with Dankowicz dynamic friction

Electronic Research Archive
Aiming at the wedge friction damper for freight train bogie, considering Dankowicz dynamic friction, the mechanical model of a three-degree-of-freedom inclined impact vibration system with gap and dynamic friction, is simplified.
Yanlong Zhang, Rui Zhang, Li Wang
doaj   +1 more source