Results 71 to 80 of about 674,252 (208)

Unveiling New Perspectives on the Hirota–Maccari System With Multiplicative White Noise

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT In this study, we delve into the stochastic Hirota–Maccari system, which is subjected to multiplicative noise according to the Itô sense. The stochastic Hirota–Maccari system is significant for its ability to accurately model how stochastic affects nonlinear wave propagation, providing valuable insights into complex systems like fluid dynamics
Mohamed E. M. Alngar, Khaled A. Gepreel, Reham M. A. Shohib, Yakup Yildirim   +3 more
wiley   +1 more source

Uncertainty Quantification for Nonlinear Vibration of Supercritical Drive Shaft With a Dry Friction Damper

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT The supercritical drive shaft is becoming increasingly popular in helicopter transmission system. Dry friction dampers are specially employed to ensure the supercritical shafts crossing the critical speed safely. Due to design tolerances, manufacturing errors and time‐varying factors, the parameters of the damper are inherently uncertain ...
Liyao Song, Meijun Liao, Weifang Chen, Rupeng Zhu, Dan Wang   +4 more
wiley   +1 more source

Locally Resonant Granular Chain [PDF]

arXiv, 2014
We report the design and testing of a tunable and nonlinear mechanical metamaterial, called locally resonant granular chain. It consists of a one-dimensional array of hollow spherical particles in contact, containing local resonators. The resonant particles are made of an aluminium outer spherical shell and a steel inner mass connected by a polymeric ...
arxiv  

Contesting Regulatory Capacity: Exploring Doctrines in the Regulatory State

Public Administration and Development, EarlyView.
ABSTRACT The contemporary literature on regulation and development has emphasised the importance of low discretion devices for achieving desired policy objectives. At the same time, there has been a growing recognition that state capacity in general, and regulatory capacity more specifically, are essential for achieving development goals in a world of ...
Bruno Queiroz Cunha, Martin Lodge
wiley   +1 more source

Attentional Rhythms Are Sensitive to Binocular Visual Pathway

PsyCh Journal, EarlyView.
ABSTRACT Visual attention is intrinsically rhythmic and oscillates based on the discrete sampling of either single or multiple objects. Recently, studies have found that the early visual cortex (V1/V2) modulates attentional rhythms. Both monocular and binocular cells are present in the early visual cortex, which acts as a transfer station for ...
Bo Dong, Guangyao Zu, Ying Zou, Jianrong Jia, Airui Chen, Ming Zhang   +5 more
wiley   +1 more source

Time‐Multiplexed Reservoir Computing with Quantum‐Dot Lasers: Impact of Charge‐Carrier Scattering Timescale

physica status solidi (RRL) – Rapid Research Letters, EarlyView.
Reservoir computing with optical devices offers an energy‐efficient approach for time‐series forecasting. For quantum‐dot lasers with optical self‐feedback, the scattering timescale R into the quantum‐dot levels changes the predictive performance of the reservoir computer.
Huifang Dong, Lina Jaurigue, Kathy Lüdge   +2 more
wiley   +1 more source

Lagrangian operator inference enhanced with structure-preserving machine learning for nonintrusive model reduction of mechanical systems [PDF]

Complex mechanical systems often exhibit strongly nonlinear behavior due to the presence of nonlinearities in the energy dissipation mechanisms, material constitutive relationships, or geometric/connectivity mechanics. Numerical modeling of these systems leads to nonlinear full-order models that possess an underlying Lagrangian structure.
arxiv   +1 more source

Improving tropical cyclone intensification prediction using high‐resolution all‐sky Geostationary Operational Environmental Satellite data assimilation

Quarterly Journal of the Royal Meteorological Society, EarlyView.
This study evaluates the impact of the first of NOAA's latest generation of Geostationary Operational Environmental Satellites (GOES‐16) to aid in predicting the onset of tropical cyclone intensification. By running forecast experiments for every named Atlantic hurricane in 2017, we found that use of the geostationary satellite information reduced ...
Masashi Minamide, Derek J. Posselt
wiley   +1 more source

Data discovery of low dimensional fluid dynamics of turbulent flows [PDF]

arXiv
Discovering governing equations from data, in particular high dimensional data, is challenging in various fields of science and engineering, and it has potential to revolutionise the science and technology in this big data era. This paper combines sparse identification and deep learning with non-linear fluid dynamics, in particular the turbulent flows,
arxiv  

Riemann-Lagrange geometry for starfish-coral dynamical system [PDF]

Applied Sciences, Vol. 22 (2020), 181-188, 2016
In this paper we develop the Riemann-Lagrange geometry, in the sense of nonlinear connection, d-torsions, d-curvatures and jet Yang-Mills entity, associated with the dynamical system concerning social interaction in colonial organisms.
arxiv